A new atmospheric river will bring a new rainstorm to the Los Angeles area in the middle of the week, forecasters say.

Human-caused climate change was responsible for about a quarter of the fuel available for the wildfires that have devastated the Los Angeles area ... the “atmospheric river” storms that ...

The smoke may be temporary, but toxic air pollution is an ever-present danger with effects that linger for generations.

The first storm from the tail end of an atmospheric river brought light to moderate rain throughout the Los Angeles area.

The American Lung Association’s State of the Air report for 2024 listed the Los Angeles area as one of the top 10 cities polluted by year-round particle pollution. It’s been No. 1 for ozone ...

The hazardous air quality in Los Angeles is largely a result of smoke from the Pacific Palisades Fire, intensified by strong Santa Ana winds.

The map pulls data from air monitors, hundreds of pollution sensors, and forecast models to provide real-time air quality index (AQI) readings for more than 1,000 locations. Los Angeles’ air ...

Environmental groups are applauding a Los Angeles Superior Court ruling they say strengthens stormwater regulations at the Santa Susana Field Lab, limiting toxins and radioactive waste in the Los ...

As the smoke clears from devastating Los Angeles wildfires, efforts to clean up the affected areas are being complicated by burnt-out electric and hybrid vehicles and home-battery storage systems.