The agency is still publishing air pollution data, but a key part of its analysis is missing from the latest release.

Hundreds of fires have burned in Canada and the northwestern U.S. This visualization shows exactly how far the pollution ...

A look at news events in July 2026: ...

Conditions were expected to remain hazardous Sunday across Oahu, the state's most populated island, as outer rain bands swept ...

Spain, France, Portugal, Greece, Italy, and the UK have all suffered extreme heat events in 2026, breaking previous temperature records, while much of the northern hemisphere is undergoing increased ...

Canadian wildfire smoke is currently causing hazy skies in New Hampshire, though there is no effect to air quality yet. Here's what to know.

Evacuation orders and alerts have been issued in British Columbia as wildfires burn across the province. Officials have declared a state of emergency.

The wildfire map from NASA and the U.S. and Canadian Fire Information for Resource Management System (FIRMS) shows that the most significant concentrations of active fires are currently located across ...

More than 20,000 people were ordered to leave their homes overnight in western Canada as a fast-moving wildfire grew rapidly ...

Eight years ago, photographer Pete McBride almost lost his Colorado home to a wildfire. This summer, he heads back to the ...

Wildfires continue to rage in parts of the Northwest and Canada, leading to poor air quality across much of the West due to spreading smoke. Add in hot temperatures, and conditions are hazardous for ...

Canadian wildfires trigger mass evacuations and send smoke across the U.S., putting millions at risk from poor air quality.