Calculating air pollution from wildfires and other events has become more complicated. That doesn’t mean it’s necessarily ...

Fortunately, the US Environmental Protection Agency has a resource called the Air Quality Index to help monitor air quality.

By Aaron Schrank/LAist Originally published Jan. 14, 2025 Angelenos still bothered by the smell of smoke may be surprised to ...

Smoke from the blaze has significantly worsened air quality statewide, with some areas reporting hazardous levels exceeding 500 on the Air Quality Index (AQI).

The air quality in the national capital remained in the 'very poor' category, as per data from the Central Pollution Control ...

However, during different periods during the day, for several hours at a time, the density of pollutant particles in the air, also judged on the AQI scale, shot up to ‘very poor’ levels (301 ...

According to the standard AQI scale, readings from 0 to 50 are considered good, 51 to 100 satisfactory, 101 to 200 moderate, 201 to 300 poor, 301 to 400 very poor, 401 to 450 severe, and above 450 ...

The AQI scale classifies air quality from 0 to 50 as “good,” 51 to 100 as “moderate,” and 101 to 150 as “unhealthy for sensitive groups.” Scores between 151 and 200 are deemed ...

at the higher end of ‘moderate’ on the AQI scale, several stations had it much worse. This was a negligible improvement from Saturday, when overall AQI was 188. Four air quality monitoring ...

Mumbai’s overall average AQI, however, stood at 179 (moderate). The AQI scale categorises air quality as ‘good’ from 0-50, ‘satisfactory’ from 51-100, ‘moderate’ from 101-200 ...