Local emissions of toxic air pollution from industrial sources have dropped over 85% since 2005, the report said.

Sierra County was worst affected, with a peak Air Quality Index (AQI) of 168 in its county ... a surface frontal system southward across the area, according to the National Weather Service.

The map pulls data from air monitors, hundreds of pollution sensors, and forecast models to provide real-time air quality index (AQI ... By checking the AQI in your area, you can stay ahead ...

Daily particulate matter pollution in El Paso is the highest it’s been for this time of year since at least 2000.

An air quality alert was reported by the NWS Los Angeles/Oxnard CA on Wednesday at 3:59 p.m. in effect until Thursday at noon ...

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

The EPA's new Trace Atmospheric Gas Analyzer, or TAGA bus, will be looking at the air quality in the area, tracking for the ...

Many of the air quality sensor maps only show particle concentrations ... What counts as in or near a burn area? Current thinking is that we should treat an area as "near a burn area" if it ...

Feb. 13, 2025 — Nanoplastics -- plastic particles smaller than 1 m -- are widely dispersed because of their low weight. A research team now shows the extent to which glaciers at an altitude of ...

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 ...

The day after a fire tore through a fiberglass swimming pool manufacturing business in Gloucester County, hazmat crews are testing the air quality at schools where 700 students were evacuated ...