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Los Angeles is choking on toxic air after the Boyle Heights warehouse fire, with air quality worse than 2025 wildfires.

Small particles in air pollution in Singapore might have caused sudden cardiac arrests in some people who were not in hospital but simply going about their normal lives, according to scientists at ...

The Environmental Protection Agency announced on Friday more aggressive air quality standards for particulate matter, pollutants small enough to be inhaled and cause respiratory illness and other ...

New South Wales and Queensland are in the grip of a devastating bushfire emergency, which has tragically resulted in the loss of homes and lives. But the smoke produced can affect many more people not ...

Of particles up to 200 nanometers in size, the researchers found the equivalent of 4.2 micrograms per liter of Wadden Sea water. Of the slightly larger particles, from 300 nanometers to 2.7 ...