Dry and hot conditions return to western Washington on Tuesday and Wednesday, bringing an elevated risk of heat-related illness and fire danger.

Redmond had the worst air quality in the state Wednesday afternoon, with DEQ's air quality monitoring map showing "unhealthy" ...

PM2.5 pollution is spiking in many counties in Utah and is accompanied by the typical summer pollutant of ozone. It makes for a nasty mix of pollution.

The July 7 report from Environment America Research and Policy Center found that 61% of tested beaches nationwide had ...

Americans in at least eight states face potentially unhealthy levels of air pollution on Wednesday, official data shows. The ...

As we head into a sizzling week across Washington, we look at smoke conditions and air quality across the state impacted by ...

Relatively low humidity is in town. Rain chances are very low through the holiday weekend with near normal temperatures.

Pollen and Air Quality forecast for Ridgefield, WA with air quality index, pollutants, pollen count and pollution map from Weather Underground.

An air quality map of the lower Hudson Valley/Long Island/NYC region on Wednesday afternoon, June 25. Yellow and red indicate poor and unhealthy air quality conditions, respectively.

Many factors impact air quality in the Los Angeles metropolitan area including particulate pollution from vehicles, factories, refineries, household combustibles and wood burning.