The Air We Breathe | HT Pollution Dashboard

Delhi and five neighbouring cities: Noida, Ghaziabad, Gurugram, Faridabad and Greater Noida.

Gurugram in the past 24 hours

320 AQI

Up 54 since this time yesterday

Very Poor

CPCB's average of Gurugram's stations for 11pm, November 3

Gurugram's worst official figure since March 10 (238 days)

Official AQI bulletin figure, November 3: 305Poor or worse for 2 days

Main pollutant: Coarse particles; PM10, like dust · leads at 2 of 4 stations
Wind: Calm; still air; Safdarjung, 11.30pm

Farm fires: Farm fires spotted by NASA's satellite in Punjab and Haryana: October 27, 65; October 28, 138; October 29, 157; October 30, 55; October 31, 106; November 1, 171; November 2, 167.; Punjab and Haryana · NASA, an undercount

Gurugram's official daily AQI since October 1:1 Very Poor7 Poor23 Moderate3 Satisfactory

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Gurugram's main pollutants in the past 24 hours

PM10 (coarse particles) has been the main pollutant at more of Gurugram's stations than any other over the past 24 hours, followed by PM2.5 (fine particles).

Each pollutant's score at Gurugram's 4 reporting stations, on CPCB's 0 to 500 scale. The line runs from the lowest station to the highest; the dot is the middle station.

Pollutant	Lowest to highest station	Middle station
PM_2.5fine particles	Middle station 316, Very Poor; lowest 257, highest 346.	316Very Poor
PM₁₀coarse particles	Middle station 291, Poor; lowest 205, highest 345.	291Poor
COcarbon monoxide	Middle station 59, Satisfactory; lowest 6, highest 76.	59Satisfactory
NO₂nitrogen dioxide	Middle station 36, Good; lowest 4, highest 56.	36Good
O₃ozone	Middle station 19, Good; lowest 16, highest 40.	19Good
NH₃ammonia	Middle station 13, Good; lowest 13, highest 13.	13Good
SO₂sulphur dioxide	Middle station 12, Good; lowest 8, highest 18.	12Good
	0100200300400500

Each score is CPCB's running average: over the past 24 hours for PM2.5, PM10, nitrogen dioxide, sulphur dioxide and ammonia, over the past 8 hours for ozone and carbon monoxide.

The mix differs from station to station.

Gurugram: hour by hour, the past day

Show the numbers

Time	AQI	Category
11pm, November 3	320	Very Poor
10pm, November 3	320	Very Poor
9pm, November 3	319	Very Poor
8pm, November 3	316	Very Poor
7pm, November 3	311	Very Poor
6pm, November 3	307	Very Poor
5pm, November 3	304	Very Poor
4pm, November 3	305	Very Poor
3pm, November 3	304	Very Poor
2pm, November 3	304	Very Poor
1pm, November 3	301	Very Poor
12pm, November 3	298	Poor
11am, November 3	294	Poor
10am, November 3	290	Poor
9am, November 3	289	Poor
8am, November 3	286	Poor
7am, November 3	284	Poor
6am, November 3	278	Poor
5am, November 3	271	Poor
4am, November 3	269	Poor
3am, November 3	270	Poor
2am, November 3	270	Poor
1am, November 3	268	Poor
midnight, November 3	268	Poor
11pm, November 2	266	Poor

About these figures

At 11pm, PM10 (coarse particles) led at 2 and PM2.5 (fine particles) led at 2 of Gurugram's 4 reporting stations.
This hourly figure averages the city's monitoring stations. CPCB's official figure for the day is its 4pm bulletin, below.
Each station is led by whichever pollutant scores highest on CPCB's 0 to 500 scale. Ozone forms from other pollutants in sunlight, so it can lead on sunny afternoons.
Like each station's number, it is an average of recent hours, so it changes slowly.

Source: CPCB. Analysis: HT Pollution Dashboard.

Today's official AQI bulletin figure

305Very Poor

Up 59 from 246 the day before.

Highest since March 10

On March 10 it was 307.

Show the numbers

Date	AQI	Category
November 3	305	Very Poor
November 2	246	Poor
November 1	183	Moderate
October 31	88	Satisfactory
October 30	69	Satisfactory
October 29	240	Poor
October 28	203	Poor
October 27	174	Moderate
October 26	156	Moderate
October 25	134	Moderate
October 24	174	Moderate
October 23	215	Poor
October 22	193	Moderate
October 21	216	Poor
October 20	184	Moderate
October 19	132	Moderate
October 18	159	Moderate
October 17	106	Moderate
October 16	89	Satisfactory
October 15	137	Moderate
October 14	145	Moderate
October 13	151	Moderate
October 12	116	Moderate
October 11	134	Moderate
October 10	135	Moderate
October 9	201	Poor
October 8	180	Moderate
October 7	174	Moderate
October 6	190	Moderate
October 5	191	Moderate
October 4	166	Moderate
October 3	194	Moderate
October 2	207	Poor
October 1	182	Moderate
September 30	130	Moderate
September 29	89	Satisfactory
September 28	97	Satisfactory
September 27	71	Satisfactory
September 26	90	Satisfactory
September 25	140	Moderate
September 24	237	Poor
September 23	214	Poor
September 22	242	Poor
September 21	218	Poor
September 20	195	Moderate
September 19	120	Moderate
September 18	81	Satisfactory
September 17	90	Satisfactory
September 16	75	Satisfactory
September 15	105	Moderate
September 14	70	Satisfactory
September 13	70	Satisfactory
September 12	70	Satisfactory
September 11	131	Moderate
September 10	135	Moderate
September 9	93	Satisfactory
September 8	82	Satisfactory
September 7	88	Satisfactory
September 6	76	Satisfactory
September 5	70	Satisfactory
September 4	94	Satisfactory
September 3	114	Moderate
September 2	79	Satisfactory
September 1	94	Satisfactory
August 31	89	Satisfactory
August 30	86	Satisfactory
August 29	86	Satisfactory
August 28	106	Moderate
August 27	118	Moderate
August 26	90	Satisfactory
August 25	95	Satisfactory
August 24	108	Moderate
August 23	109	Moderate
August 22	67	Satisfactory
August 21	133	Moderate
August 20	103	Moderate
August 19	113	Moderate
August 18	132	Moderate
August 17	115	Moderate
August 16	96	Satisfactory
August 15	121	Moderate
August 14	90	Satisfactory
August 13	131	Moderate
August 12	165	Moderate
August 11	106	Moderate
August 10	100	Satisfactory
August 9	117	Moderate
August 8	87	Satisfactory
August 7	77	Satisfactory
August 6	90	Satisfactory
August 5	103	Moderate
August 4	76	Satisfactory
August 3	130	Moderate
August 2	83	Satisfactory
August 1	100	Satisfactory
July 31	111	Moderate
July 30	188	Moderate
July 29	114	Moderate
July 28	111	Moderate
July 27	96	Satisfactory
July 26	108	Moderate
July 25	98	Satisfactory
July 24	85	Satisfactory
July 23	90	Satisfactory
July 22	80	Satisfactory
July 21	121	Moderate
July 20	103	Moderate
July 19	149	Moderate
July 18	180	Moderate
July 17	198	Moderate
July 16	208	Poor
July 15	161	Moderate
July 14	193	Moderate
July 13	251	Poor
July 12	252	Poor
July 11	180	Moderate
July 10	91	Satisfactory
July 9	110	Moderate
July 8	128	Moderate
July 7	208	Poor
July 6	122	Moderate
July 5	243	Poor
July 4	227	Poor
July 3	194	Moderate
July 2	139	Moderate
July 1	199	Moderate
June 30	249	Poor
June 29	213	Poor
June 28	213	Poor
June 27	140	Moderate
June 26	175	Moderate
June 25	199	Moderate
June 24	247	Poor
June 23	213	Poor
June 22	240	Poor
June 21	172	Moderate
June 20	171	Moderate
June 19	185	Moderate
June 18	219	Poor
June 17	90	Satisfactory
June 16	84	Satisfactory
June 15	195	Moderate
June 14	194	Moderate
June 13	99	Satisfactory
June 12	128	Moderate
June 11	208	Poor
June 10	264	Poor
June 9	264	Poor
June 8	178	Moderate
June 7	134	Moderate
June 6	173	Moderate
June 5	150	Moderate
June 4	133	Moderate
June 3	138	Moderate
June 2	89	Satisfactory
June 1	91	Satisfactory
May 31	99	Satisfactory
May 30	86	Satisfactory
May 29	108	Moderate
May 28	174	Moderate
May 27	191	Moderate
May 26	180	Moderate
May 25	174	Moderate
May 24	140	Moderate
May 23	160	Moderate
May 22	138	Moderate
May 21	194	Moderate
May 20	165	Moderate
May 19	178	Moderate
May 18	157	Moderate
May 17	172	Moderate
May 16	183	Moderate
May 15	169	Moderate
May 14	166	Moderate
May 13	166	Moderate
May 12	178	Moderate
May 11	140	Moderate
May 10	153	Moderate
May 9	127	Moderate
May 8	118	Moderate
May 7	136	Moderate
May 6	124	Moderate
May 5	99	Satisfactory
May 4	104	Moderate
May 3	186	Moderate
May 2	154	Moderate
May 1	118	Moderate
April 30	128	Moderate
April 29	186	Moderate
April 28	208	Poor
April 27	168	Moderate
April 26	195	Moderate
April 25	197	Moderate
April 24	174	Moderate
April 23	109	Moderate
April 22	184	Moderate
April 21	175	Moderate
April 20	206	Poor
April 19	217	Poor
April 18	none
April 17	253	Poor
April 16	241	Poor
April 15	262	Poor
April 14	218	Poor
April 13	212	Poor
April 12	227	Poor
April 11	192	Moderate
April 10	172	Moderate
April 9	101	Moderate
April 8	82	Satisfactory
April 7	147	Moderate
April 6	137	Moderate
April 5	154	Moderate
April 4	148	Moderate
April 3	295	Poor
April 2	215	Poor
April 1	94	Satisfactory
March 31	234	Poor
March 30	212	Poor
March 29	230	Poor
March 28	192	Moderate
March 27	185	Moderate
March 26	211	Poor
March 25	182	Moderate
March 24	224	Poor
March 23	180	Moderate
March 22	188	Moderate
March 21	138	Moderate
March 20	98	Satisfactory
March 19	154	Moderate
March 18	251	Poor
March 17	197	Moderate
March 16	129	Moderate
March 15	215	Poor
March 14	183	Moderate
March 13	271	Poor
March 12	301	Very Poor
March 11	304	Very Poor
March 10	307	Very Poor

Across India

Gurugram's figure was the joint 9th worst of the 272 cities in CPCB's bulletin for November 3.

The worst figures on November 3

1	Gajraula	399
2	Baghpat, Uttar Pradesh	360
3	Delhi, Delhi	350
4	Bahadurgarh, Haryana	324
5	Panchgaon	320
6	Ballabgarh, Haryana	319
7	Khora	318
8	Manesar, Haryana	309
9	Gurugram, Haryana	305
9	Modinagar	305

A city's figure can rest on one station or on dozens, so its place is a rough guide.

About these figures

CPCB publishes one figure a day for each city, covering the 24 hours to 4pm on November 3. This one came out at 4.07pm. Read CPCB's bulletin (PDF)
Based on 4 of Gurugram's 4 stations.
Main pollutants: PM10 (coarse particles) and PM2.5 (fine particles).
CPCB's six categories are Good (up to 50), Satisfactory (to 100), Moderate (to 200), Poor (to 300), Very Poor (to 400) and Severe (to 500).
The daily figure averages the city's stations over the 24 hours to 4pm. The hourly figure above can differ from it.

Source: CPCB daily AQI bulletin. Analysis: HT Pollution Dashboard.

Stations across Delhi-NCR

Each dot is a monitoring station, coloured by CPCB's reading for 11pm, November 3.

Stations in Gurugram, highest first

Show the numbers

Station	AQI	Category
Jahangirpuri, Delhi	447	Severe
Punjabi Bagh, Delhi	440	Severe
Mundka, Delhi	435	Severe
Rohini, Delhi	433	Severe
DTU, Delhi	428	Severe
Alipur, Delhi	418	Severe
IIT Delhi, Delhi	418	Severe
Vivek Vihar, Delhi	416	Severe
Narela, Delhi	413	Severe
Bawana, Delhi	407	Severe
Sector - 62, Noida	404	Severe
R K Puram, Delhi	403	Severe
Pusa, Delhi	402	Severe
North Campus, DU, Delhi	397	Very Poor
ITO, Delhi	394	Very Poor
Patparganj, Delhi	393	Very Poor
Sirifort, Delhi	391	Very Poor
Mandir Marg, Delhi	390	Very Poor
NIH Narela, Delhi	390	Very Poor
Dwarka-Sector 8, Delhi	384	Very Poor
Okhla Phase-2, Delhi	384	Very Poor
Jawaharlal Nehru Stadium, Delhi	383	Very Poor
Burari Crossing, Delhi	379	Very Poor
Pusa, Delhi	379	Very Poor
Dr. Karni Singh Shooting Range, Delhi	377	Very Poor
Major Dhyan Chand National Stadium, Delhi	375	Very Poor
Talkatora Garden, Delhi	375	Very Poor
Sector-39, Noida	371	Very Poor
CRRI Mathura Road, Delhi	369	Very Poor
Commonwealth Sports Complex, Delhi	368	Very Poor
JNU, Delhi	364	Very Poor
NSUT Jaffarpur, Delhi	361	Very Poor
Wazirpur, Delhi	360	Very Poor
Chandni Chowk, Delhi	359	Very Poor
Najafgarh, Delhi	356	Very Poor
Burari, Delhi	354	Very Poor
Aya Nagar, Delhi	348	Very Poor
NISE Gwal Pahari, Gurugram	346	Very Poor
Teri Gram, Gurugram	345	Very Poor
Ashok Vihar, Delhi	344	Very Poor
Shadipur, Delhi	344	Very Poor
Sector-150, Noida	343	Very Poor
Sector-51, Gurugram	332	Very Poor
Ghoga, Delhi	330	Very Poor
IGI Airport (T3), Delhi	329	Very Poor
Jharoda Kalan, Delhi	320	Very Poor
NSIT Dwarka, Delhi	319	Very Poor
Vasundhara Enclave, Delhi	319	Very Poor
Badarpur, Delhi	318	Very Poor
Nehru Nagar, Delhi	317	Very Poor
IHBAS, Dilshad Garden, Delhi	306	Very Poor
Tikri Kalan, Delhi	306	Very Poor
Wave City, Ghaziabad	305	Very Poor
Karala, Delhi	304	Very Poor
Loni, Ghaziabad	301	Very Poor
Uttam Nagar, Delhi	301	Very Poor
Ghummanhera, Delhi	291	Poor
Anand Vihar, Delhi	283	Poor
Sri Aurobindo Marg, Delhi	283	Poor
Maidan Garhi, Delhi	278	Poor
Cantonment Area, Delhi	276	Poor
IMD Lodhi Road, Delhi	267	Poor
Sanjay Nagar, Ghaziabad	267	Poor
Chhawla, Delhi	265	Poor
Vikas Sadan, Gurugram	257	Poor
IGNOU_Maidan Garhi, Delhi	239	Poor
Lodhi Road, Delhi	228	Poor
Knowledge Park - V, Greater Noida	208	Poor
Shiv Nadar University, Greater Noida	198	Moderate
Indirapuram, Ghaziabad	194	Moderate
Sector-116, Noida	192	Moderate
New Industrial Town, Faridabad	186	Moderate
Sector - 125, Noida	185	Moderate
Ved Vihar-Loni, Ghaziabad	179	Moderate
Vasundhara, Ghaziabad	173	Moderate
New Tehsil-Loni, Ghaziabad	171	Moderate
Govindpuram, Ghaziabad	166	Moderate
Sector-1, Noida	155	Moderate
Knowledge Park - III, Greater Noida	153	Moderate
Sector 30, Faridabad	98	Satisfactory
Sector 11, Faridabad	85	Satisfactory
Nangloi, Delhi	No figure this hour
Sector-110, Noida	No figure this hour
Sonia Vihar, Delhi	No figure this hour

About these figures

A hollow dot is a station with no reading for this hour.
Your position, if you share it, is used only in your browser to place the ring. It is not sent to HT.

Source: CPCB. Analysis: HT Pollution Dashboard. District and state outlines: DataMeet (CC BY 4.0), simplified.

The weather and air quality

Delhi's air got worse than the day before: CPCB's official figure rose 26, from 324 on November 2 to 350 on November 3, Very Poor. It was the fourth day in a row the official figure rose: up 290 since October 30, from Satisfactory to Very Poor.

Also at play

The air was calm overnight, but at dawn the lid of warm air sat higher than the morning before.

From the HT Pollution Dashboard's evening edition, 7.21pm.

These readings come from IMD's weather balloon and observatory at Safdarjung in Delhi, the closest reference point for Gurugram. The rain figures are Delhi's too: IMD's automatic weather stations and rain gauges in the region can only be read after signing in to IMD's network, and the air-quality monitors in Gurugram do not publish rainfall in their open data.

The wind now

Still air: pollution stays close to where it is made.

Safdarjung airfield, 11.30pm

Since the 4pm bulletin

No rain at Safdarjung since 4pm today. The wind has averaged 1 km/h, mostly from the west-south-west.

Drier air moved in from about 8.30pm, the dew point at Safdarjung airfield falling from 23°C to as low as 18°C.

More on the inversion effect and how it influences air quality

The air across Delhi-NCR has a daily rhythm. A crucial part of it is known as the atmospheric inversion, when a lid of air impedes how much wind and emissions move close to the ground. At night a lid of warm air settles low over the region and holds the night's smoke near the ground. After sunrise the sun warms the ground, the lid lifts and pollution mixes upwards. By late afternoon the air has had all the room it will get that day; after sunset the lid forms again.

That is why HT reads IMD’s 4.30pm weather balloon: it shows the most room the day gave the city’s pollution to spread and thin out. If the lid lasts all day, pollution tends to stay high.

Normally the air is warmest at the ground and cools with height, so air warmed by the ground rises and carries pollution upwards. On clear, calm nights the ground cools fast and chills the air just above it, while the air higher up stays warmer. This upside-down layering is called an inversion. It works like a lid, because cold air below cannot rise through the warm layer, and the night's smoke and dust stay near the ground. The sun breaks the lid by warming the ground again. In October and November the afternoon sun almost always breaks the lid. Last winter it was still there at 4.30pm on 2 of 30 October afternoons and 1 of 30 in November.

How much the weather helps depends on both: how high the air can spread, and how fast the wind moves through it. The wind measured 10 metres above the ground at Safdarjung shows whether the air people breathe is moving. Calm hours let pollution build up near the ground, even when the air higher up has room to spread. The balloon readings show how much room the weather gave the air to clear. Whether it did clear also depends on the wind near the ground, so the two are read together.

Rain washes particles out of the air. A little rain does not always clean the air. Light drizzle can leave the air damp and still, and in past winters scant rain in Delhi has at times been followed by worse air, not better.

CPCB's figures average recent hours, so a change in the weather can take hours to show in them.

About these figures

Today, 4.30am: a lid of warm air about 300 metres up, about 6°C warmer than the ground; the wind beneath it 11 km/h from the north-north-west.
This afternoon: the air could spread about 600 metres up, with the wind through it averaging 20 km/h; the usual for early November is 1,300 metres and 13 km/h.
This shows how much the weather let the air clear. It does not measure pollution or show where it came from.
A weather balloon that IMD sends up at Safdarjung at 4.30pm measures how high pollution can spread. The 4.30am balloon measures the lid.
The same balloon measures the wind through that air.
The usual is the middle value for the same half-month over the six winters from 2019-20 to 2024-25, from the same balloon.
One balloon at Safdarjung stands for all of Delhi-NCR.
CPCB's daily figure covers the 24 hours to 4pm, so a change in the weather can show here before it shows in that figure.

Source: IMD weather balloon and observatory, Safdarjung. Analysis: HT Pollution Dashboard.

Gurugram: this season against past seasons

Gurugram's official figure averaged 191 over the week to November 3, the cleanest of the 11 years for that week, going back to 2016.

The official daily figure, October 1 to November 24

Dussehra (October 20) and Diwali (November 8) fall in this period.

Show the numbers

Date	This season	Past middle
October 1	182	151
October 2	207	136
October 3	194	132
October 4	166	169
October 5	191	151
October 6	190	106
October 7	174	139
October 8	180	159
October 9	201	146
October 10	135	161
October 11	134	177
October 12	116	179
October 13	151	189
October 14	145	189
October 15	137	195
October 16	89	216
October 17	106	248
October 18	159	258
October 19	132	203
October 20	184	210
October 21	216	253
October 22	193	219
October 23	215	215
October 24	174	249
October 25	134	280
October 26	156	239
October 27	174	299
October 28	203	313
October 29	240	337
October 30	69	318
October 31	88	320
November 1	183	332
November 2	246	318
November 3	305	337
November 4		324
November 5		351
November 6		320
November 7		335
November 8		338
November 9		368
November 10		282
November 11		351
November 12		290
November 13		323
November 14		303
November 15		305
November 16		312
November 17		272
November 18		268
November 19		270
November 20		293
November 21		293
November 22		290
November 23		277
November 24		291
November 25		303
November 26		286
November 27		311
November 28		255
November 29		258
November 30		302
December 1		301
December 2		294
December 3		282
December 4		293
December 5		293
December 6		306
December 7		248
December 8		242
December 9		260
December 10		282
December 11		268
December 12		278
December 13		238
December 14		153
December 15		226
December 16		268
December 17		272
December 18		276
December 19		279
December 20		313
December 21		308
December 22		300
December 23		338
December 24		328
December 25		298
December 26		290
December 27		328
December 28		293
December 29		291
December 30		305
December 31		326
January 1		367
January 2		336
January 3		318
January 4		311
January 5		294
January 6		287
January 7		228
January 8		250
January 9		240
January 10		217
January 11		241
January 12		280
January 13		318
January 14		284
January 15		251
January 16		207
January 17		273
January 18		282
January 19		311
January 20		240
January 21		244
January 22		292
January 23		247
January 24		256
January 25		156
January 26		246
January 27		244
January 28		245
January 29		255
January 30		245
January 31		265

About these figures

Past seasons: 2016-17 to 2025-26 (10). Diwali fell between October 19 and November 14 in those years, so its spike sits on different days in each season.
Each season here runs from October 1 to January 31. Days without a bulletin are gaps, never filled.
The comparison uses the average of the latest seven bulletins against the same seven days in each earlier year, so one unusual day does not decide it.
Some cities joined CPCB's bulletin later than others, so their comparison covers fewer years.

Source: CPCB daily AQI bulletin. Analysis: HT Pollution Dashboard.

Farm fires in Punjab and Haryana

1,561fires spotted by NASA's satellite, October 1 to November 2

NASA's satellite passes at about 1.30pm, and most burning now happens later in the day, so its count is far below the real number.

From the HT Pollution Dashboard's evening edition, 7.21pm.

Fires spotted each day

Show the numbers

Date	Fires spotted
October 1	11
October 2	28
October 3	7
October 4	10
October 5	8
October 6	8
October 7	25
October 8	10
October 9	8
October 10	14
October 11	0
October 12	13
October 13	0
October 14	15
October 15	3
October 16	7
October 17	48
October 18	112
October 19	48
October 20	22
October 21	40
October 22	58
October 23	50
October 24	63
October 25	25
October 26	69
October 27	65
October 28	138
October 29	157
October 30	55
October 31	106
November 1	171
November 2	167

About these figures

A lower count than last season does not mean fewer fires. Since 2021, most burning happens after the satellite passes, so its count cannot show whether burning rose or fell.
The count leaves out fixed hot spots such as factories, and detections the satellite is unsure of.
The count comes from the VIIRS instrument, which sees the ground in squares about 375 metres across. NASA's older MODIS instrument sees squares about 1 km across, so it can count nearby fires as one; counts from the two are not comparable.

Source: NASA FIRMS, VIIRS instrument on the Suomi NPP satellite. Analysis: HT Pollution Dashboard.