The air quality index from 0 to 100 is considered 'good', 100 to 200 'moderate', 200 to 300 'poor', 300 to 400 'very poor' and from 400 to 500 or above 'severe'.

A health alert has been issued for the Coachella Valley due to dangerous dust pollution just before the music festival's second weekend.

The air quality index from 0 to 100 is considered 'good', 100 to 200 'moderate', 200 to 300 'poor', 300 to 400 'very poor' and from 400 to 500 or above 'severe'.

As per the Central Pollution Control Board (CPCB), AQI levels are categorized as 0–50 good, 51–100 satisfactory, 101–200 moderate, 201–300 poor, 301–400 very poor, and 401–500 severe.

Air quality index of Delhi is generally Satisfactory (51–100), to Moderate (101–200) levels between March and September, and then it drastically deteriorates to Poor (201–300), Very Poor (301–400) and ...

AQI quickly disseminates air quality information in real-time ... Very Poor (301-400) Respiratory illness on prolonged exposure 6. Severe (401-500) Affects healthy people and seriously impacts those ...

Rob Gronkowski, the four-time Super Bowl champion and Fox NFL studio analyst, will hold an esteemed position at his first Indianapolis 500: grand marshal of the 2025 Snake Pit. “I can’t wait ...

The red-level air quality index (AQI) category—covering values from 151 to 200—means the air is unhealthy for everyone, not ...