The respondents-- minimum 50 people each from the 10 localities-- did not know the meaning of AQI and when the air in the national capital is categorised as good, moderate, poor or severe. read more

The CPCB in three separate notices — all dated January 16 — held Delhi’s three civic bodies responsible for violation of green norms. read more

Meteorologists have forecast that the night temperature could start dropping by at least 3°C by Wednesday. Pollution is also expected to dip marginally but the air quality would remain in ‘very poor’ zone. read more

The 18-month-long study would help authorities not just to get a better idea of the chemical composition of Delhi’s pollution but would also identify the source of pollutants in an almost real-time manner. read more

Government agencies forecast that even though the air could improve marginally on Tuesday it could deteriorate on Wednesday. The air quality is likely to remain in the very poor stage over the next two to three days at least. read more

While the Air Quality Index (AQI) value was recorded at 330 on Wednesday, it deteriorated on Thursday and plunged to 444. read more

The AQI is expected to improve from January 4, when wind speed is likely to pick up. Rain may also help clear the air. read more

Experts said that while anti-pollution measures taken this year have shown some results, Delhi could hope for even better air quality in 2019, if they are implemented with stringency and rigor throughout the year. read more

Delhi’s air quality is expected to improve marginally with the surface wind speed picking up but it will continue to remain poor over the next few days, said government agencies. read more

Light rain over the past 24 hours along with strong winds were the major factors responsible for cleansing the air, said scientists of Safar, the government’s air quality forecasting agency. read more

Government agencies have forecast that chances of any significant improvement in air quality over the next few days are remote, as meteorological conditions are not favourable for dispersion of pollutants. read more

Delhi’s air quality index (AQI) stood at 413 at 4 pm on Tuesday against Monday’s 403. The air quality dipped to the ‘severe’ category on Monday after a gap of nearly a month. read more

The last time AQI hit the ‘severe’ zone in Delhi was on November 13; Met department has forecast light rain. read more

The national capital is also likely to receive some light rain early next week, owning to an approaching winter disturbance, the IMD has said. read more

The task force comprising members from CPCB, state pollution control boards, health experts and meteorologists, recommended on Tuesday that government agencies adopt a hotspots-first approach while tackling pollution in Delhi-NCR. read more