This raises an interesting question. How good an indicator ... As can be expected from CPCB’s description, AQI is calculated by a predefined formula on the concentrations of different pollutants ...

The CPCB states that an AQI in the"very poor" category may cause respiratory illness to people on prolonged exposure, while "poor" may cause breathing discomfort to most people on prolonged exposure.

Delhi's Air Quality Index (AQI) entered the 'very poor' category with a reading of 347 at 9 a.m., according to the Central Pollution Control Board (CPCB). An AQI between zero and 50 is considered ...

The air quality in the national capital has shown significant improvement bringing much-needed respite to the residents.

According to the guidelines of the Central Pollution Control Board (CPCB), an AQI of 0-50 is considered in the ‘good’ category while 51-100 falls in the satisfactory category. If the AQI ...

According to the Central Pollution Control Board (CPCB), the AQI in the national capital had remained in the "very poor" category for the past week. On Monday, the AQI was recorded at 335 in the ...

According to the Central Pollution Control Board (CPCB), Mumbai’s overall AQI was 201 on Sunday morning. The area of Navy Nagar in Colaba experienced the worst air quality, with an AQI of 317.

The Delhi Air Quality Index (AQI), which stood at 276 on January 28, surged to 365 by 4:00 PM on Wednesday, primarily due to calm winds, smoggy conditions, low mixing heights, and poor dispersion ...