The West Coast has the worst air quality ... Particulate matter from smoke has serious health consequences The AQI numbers on PurpleAir's map refer to the quantities of tiny particulate matter ...

Smoke from the wildfires ravaging much of the US West Coast has spread to the east of the country, casting a haze over New York and Washington DC. The blazes have burned vast areas of land and ...

Forecasters have released new maps showing impacts of the 'bomb cyclone' moving toward the West Coast, revealing which states will endure hurricane-like conditions. The National Weather Service ...

As wildfires scorched record swaths of California, Oregon, and Washington State, massive plumes of smoke caused air pollution ... 300 in areas across the West Coast. On September 10, the Oregon ...

Dozens of wildfires have been burning their way through swathes of the US West Coast over the last month ... and blanketing communities in thick smoke. Scientists say the region's wildfires ...