Page 14 - Air Quality Index

Delhi's air quality returns to 'poor' after a brief period of relief

Delhi also remained the most polluted capital in the world, according to World Air Quality Report 2024 released by Swiss air quality technology company IQAir

Assam's Byrnihat tops global pollution list; Delhi leads capitals: Report

Thirteen of the world's top 20 most polluted cities are in India, with Byrnihat in Assam topping the list, according to a new report published on Tuesday. The World Air Quality Report 2024 by Swiss air quality technology company IQAir said Delhi remains the most polluted capital city globally, while India ranked as the world's fifth most polluted country in 2024, down from third in 2023. The report said India saw a 7 per cent decline in PM2.5 concentrations in 2024, averaging 50.6 micrograms per cubic metre, compared to 54.4 micrograms per cubic metre in 2023. Yet, six of the world's 10 most polluted cities are in India. Delhi recorded consistently high pollution levels, with an annual average PM2.5 concentration of 91.6 micrograms per cubic metre, nearly unchanged from 92.7 micrograms per cubic metre in 2023. The 13 Indian cities in the world's top 20 most polluted cities are Byrnihat, Delhi, Mullanpur (Punjab), Faridabad, Loni, New Delhi, Gurugram, Ganganagar, Greater Noida, ...

Delhi's air quality improves to 'moderate' after Sunday's 'poor' levels

The AQI across Delhi-NCR improved to 'moderate' or 'satisfactory' early Monday after experiencing 'poor' levels the previous night

Delhi's air quality improves to 'moderate' as authorities intervene

The AQI is expected to remain in the 'moderate' category in the coming week, improving further after the rainfall on March 14, which might clear the pollutants from the air

Delhi's air quality dips to 'poor', Grap-I restrictions reinstated

Delhi-NCR had seen a brief improvement in air quality due to strong winds dispersing pollutants, but the relief was short-lived

Delhi's air quality remains 'moderate' as strong winds clear pollutants

AQI was recorded at 172 at 8 am on March 7, according to the Central Pollution Control Board (CPCB), and remained in the 'moderate' category for the sixth day

Delhi's air quality remains 'moderate' as winter returns with strong winds

The improved air quality is mainly due to better weather conditions, with strong winds and light rainfall, earlier this week, that helped to clear pollutants

Delhi's air quality remains in 'moderate' category, Grap-I curbs lifted

Air quality has improved across Delhi-NCR due to rainfall over the past few days

Delhi's air quality sees slight improvement, remains in 'moderate' category

In neighbouring cities, Gurugram recorded an AQI of 95, placing it in the 'satisfactory' category, while Noida and Ghaziabad reported AQI levels of 102 and 167, respectively

Delhi AQI dips to 132, remains moderate; air quality in NCR improves

In neighbouring cities, Gurugram recorded an AQI of 114, while Noida and Greater Noida reported AQIs of 90 and 60, respectively

Delhi's air quality improves to 'moderate' following light rainfall

The better air quality in Delhi-NCR is primarily due to improved weather conditions, with strong winds and light rainfall helping to clear the pollutants

Delhi's air quality remains 'poor' for second day amid rainfall forecasts

Air quality across Delhi-NCR deteriorated, and remained in the 'poor' or 'moderate' range

Delhi's air quality deteriorates to 'poor' category, AQI rises to 218

As pollution levels declined, the Commission for Air Quality Management (CAQM) Sub-Committee on Grap revoked Stage-II curbs

Delhi AQI remains in 'moderate' category for 5th day, Grap Stage-II lifted

With the revocation of Stage-II, curbs by CAQM, inter-state buses from NCR states are now permitted to enter Delhi

Delhi air quality dips to moderate as rainfall forecast brings relief

The CPCB classifies the air quality index into the following categories: 0-50 (good), 51-100 (satisfactory), 101-200 (moderate), 201-300 (poor), 301-400 (very poor) and 401-500 (severe)

Delhi air quality improves, remains moderate; Noida sees satisfactory AQI

According to the city's 24-hour average at 4 pm, the AQI in Gurugram also remained in the 'moderate' category at 129, whereas, in Ghaziabad, and Noida, it improved significantly

Delhi air remains 'moderate' after rainfall; will it turn 'poor' again?

Air quality across the National Capital Region (NCR) remained in the 'moderate' category, indicating a positive shift compared to previous days

Delhi's air quality remains 'moderate' as light rainfall brings relief

Air quality improved across the natonal capital region (NCR) and remained in the 'satisfactory' or 'moderate' category, marking a relief for people, as the 24-hr average AQI remained at 160

Light rain improves Delhi's air quality, AQI remains in 'moderate' category

The Air Quality Early Warning System for Delhi predicts 'moderate' air quality from 20-21 February, with AQI levels expected to range from 'poor' to 'moderate' over the next six days

Delhi's air quality improves to 'moderate' category, AQI drops to 183

Unfavourable weather, including a partly cloudy sky and low wind speed, has worsened air quality in Delhi