Air Quality Index

Delhi cloudy conditions prevail as AQI improves to 'moderate' level

The national capital experienced a slight increase in minimum temperature on Saturday, while the maximum temperature decreased due to persistent cloudy conditions throughout the day. Although the India Meteorological Department (IMD) issued a yellow alert for the day, only isolated areas of Delhi received light rain during the night between Friday and Saturday. On Saturday morning, the Safdarjung weather station, a key representative of the city's weather, did not record any rain, while other stations reported varying amounts: Palam received 1.9 mm of rain between 11.30 pm on Friday and 2.30 am on Saturday; Lodhi Road recorded 0.3 mm; Ridge also noted 1.9 mm; Ayanagar experienced 5.8 mm; and Pitampura saw 0.5 mm during the same period. No additional rain was observed until 5.30 pm, according to IMD data. The minimum temperature rose to 20.7 degrees Celsius, which is 1.9 degrees above normal and 1.5 degrees higher than the previous day. In contrast, the maximum temperature reached 32

Delhi air quality improves to moderate after 157 days, AQI at 119

Delhi breathed easier on Monday after 157 days, as the city's air quality improved to 119 in the 'moderate' category, while the city recorded a maximum temperature of 32.2 degrees Celsius. The 24-hour average Air Quality Index (AQI) stood at 119, the lowest recorded since October 9, 2025, when the AQI had stood at 99 in the same category. At 9 am on Monday, the AQI stood at 97 in the 'satisfactory' category, according to data from the Central Pollution Control Board (CPCB). The improvement came after the city experienced light rain on Sunday. According to the CPCB classification, an AQI between zero and 50 is considered 'good', 51 to 100 'satisfactory', 101 to 200 'moderate', 201 to 300 'poor', 301 to 400 'very poor', and 401 to 500 'severe'. The improvement in air quality came after many parts of Delhi and the surrounding region on Sunday received light rain, triggered by a western disturbance. The drizzle brought respite from the rising heat and helped disperse pollutants in the

Delhi remains most polluted city in 2024-25, Patna second: Report

Delhi was the most polluted city during 2024-25, recording the highest annual PM2.5 levels and extended periods of "severe" air quality in winter while Patna was the second-most polluted city, according to a new analysis by Climate Trends. Climate Trends is a research-based consulting and capacity-building initiative that aims to bring greater focus on issues of environment, climate change and sustainable development. Based on Central Pollution Control Board (CPCB) air quality monitoring data, this report analysed how meteorological conditions influence the persistence of PM2.5 pollution across six major Indian cities such as Delhi, Patna, Kolkata, Mumbai, Chennai and Bengaluru. Using CPCB air quality data (2024-2025) combined with meteorological clustering, the study distinguished emission-driven pollution from weather-driven variability. "Delhi continues to face the most severe pollution crisis nationally with the highest annual average PM2.5 levels and the longest stretches of ..

Delhi air quality remains poor as summer heat arrives early in the capital

Even as summer heat arrives early in Delhi, pollution stays high with AQI in 'poor' range. Experts warn prolonged exposure may affect children, elderly, and those with respiratory issues

Delhi AQI stays 'poor', temperatures above normal; mercury to cross 35°C

Overall AQI at 208 with 25 stations in 'poor' category; warm night and cloudy skies push minimum temperature well above normal across the capital

Delhi chokes on poor air as city records hottest early March in 50 yrs

AQI crossed 200 in Delhi after three days of 'moderate' air quality as IMD data showed the city recorded its hottest first week of March day in 50 years

Delhi AQI slips to 'poor' category as pollution levels rise again

Overall AQI climbs to 227 with most monitoring stations in poor category; Mundka records 'very poor' air quality despite clear skies and warm conditions

Delhi AQI remains 'moderate' as surface winds keep pollution in check

Overall air quality index stands at 151 with most monitoring stations in moderate category; clear skies and warm conditions expected across the national capital

Delhi air quality improves to 'moderate' aided by strong surface winds

Air quality stands at 135 in moderate category; strong surface winds and clear skies likely to aid further dispersal of pollutants across the national capital

Delhi air quality improves to 'moderate' category, mercury may touch 34°C

Weather conditions in the capital are turning warmer. The India Meteorological Department (IMD) has forecast mainly clear skies with sustained surface winds of 15-25 kmph in Delhi

Delhi AQI slips to 'poor' levels; IMD predicts strong winds, rising mercury

Out of the 44 stations, 27 record 'poor' air quality while Punjabi Bagh turns severe at 368; IMD forecasts stronger surface winds that may help disperse pollutants and ease pollution levels

Delhi AQI improves to moderate; strong winds, rising mercury likely to help

Overall AQI in the national capital was 176, with 35 stations in the 'moderate' category; IMD forecasts strong surface winds and clear skies to further improve air quality

Delhi air quality remains in 'poor' category, mercury set to cross 30°C

Air quality in Delhi remained in the 'poor' category on Sunday as the mercury rose, with Delhi recording its hottest February day in three years on Saturday

Delhi AQI turns 'poor' again after brief respite while mercury keeps rising

Air quality in the national capital deteriorated again on Saturday while the maximum temperature continued to remain above 30 degrees Celsius- higher than the seasonal average

Delhi AQI improves to 'moderate' levels; IMD predicts warmer days ahead

Majority of the city's monitoring stations report 'moderate' air, but some areas such as Anand Vihar remain polluted; temperatures likely to stay above normal with partly cloudy skies today

Delhi air quality improves slightly, remains in 'poor' levels; AQI at 203

Air quality shows marginal improvement across Delhi, with 21 stations in the poor category; IMD forecasts clear skies, rising temperatures and no rainfall over the next seven days

Delhi air quality remains in 'poor' category for fourth day; AQI at 237

Majority of monitoring stations in the city record 'poor' AQI levels as Anand Vihar remains worst hit at 342; maximum temperature likely to touch 31 degrees Celsius

Delhi's air quality worsens despite better weather; Anand Vihar AQI at 331

Monitoring stations like Anand Vihar and Wazirpur, record AQI above 300 even as clear skies and moderate winds prevail across the national capital

Delhi air quality remains 'poor' on Monday, mercury set to cross 30°C

The weather department's latest bulletin indicates that both minimum and maximum temperatures are likely to remain above normal in the coming days

Delhi air quality deteriorates on Sunday; mercury set to touch 30°C

Air quality in Delhi slips to 'very poor' levels on Sunday, while CAQM mandates stricter emission norms for industries across NCR. Mercury is set to touch 30 degrees Celsius