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

A map from AirNow suggests that the air quality around Los Angeles and Anaheim, California, is unhealthy as the Palisades ...

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

I've lived in Oregon for a decade, meaning I've experienced multiple wildfire seasons. You learn quickly, in these conditions ...

AQI scales vary from good (AQI of 0-50) to moderate (AQI of 51-100), unhealthy for sensitive groups (AQI of 101-150), unhealthy (AQI of 151-200), very unhealthy (AQI of 201-300), and hazardous ...

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 ...

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

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 ...