The Air Quality Index (AQI) — which measures the concentration of pollutants in the air — seemed to confirm all was well in the L.A. atmosphere, with low numbers that suggested clean ...

Ozone is a gas comprised of three oxygen (O3) atoms. It is unstable and reacts easily to other gases. In its natural state, it is a component in several levels of the atmosphere. At high altitudes ...

and forecast models to provide real-time air quality index (AQI) readings for more than 1,000 locations. Los Angeles’ air quality is closely tied to weather patterns. Clear, breezy days help ...

Most of the world's population is exposed to polluted air and or those living in cities with chronically bad air, the smog ...

The last time Delhi saw better air was on October 7 last year, when the AQI was reported at 126 in the ‘moderate’ category ...

The temperature in Delhi on Friday exceeded the normal by three degrees, reaching 26.4°C, with an AQI of 134 indicating ...

Dhaka, the overcrowded capital city of Bangladesh, ranked sixth on the list of cities with the worst air quality with an AQI ...

If you were on social media last week or checked the Minnesota Pollution Control Agency website, you may have noticed an air quality alert was issued for parts of Minnesota, including McLeod and ...

After three days of 'poor' air quality, Delhi's AQI has now improved to the 'moderate' category. On Wednesday at 4 pm, the AQI in the national capital was recorded at 212 ...

The AQI in Bangladesh is based on five pollutants: particulate matter (PM10 and PM2.5), NO2, CO, SO2, and ozone ...

Health influencer and tech entrepreneur Bryan Johnson has encouraged Indians to organise themselves and tackle the poor air ...