Graphs reveal how air pollution has changed since the Industrial Revolution UK cities have made significant reductions since hitting a peak in the 1960s From London's Victorian smog to the toxic ...

The state Department of Energy and Environmental Protection (DEEP) said the air quality could be impacted by elevated ozone levels on Wednesday and Thursday. Temperatures are expected to reach the ...

Plumes of smoke from Southern California’s fires blew across Big Bear on Sept. 11, causing local air quality meters to return off-the-chart readings for particulate pollution.