Closure of Pittsburgh coal-processing plant tied to local health gains
The closure in January 2016 of one of Pittsburgh’s biggest coal-processing plants led to...
Read MoreThe closure in January 2016 of one of Pittsburgh’s biggest coal-processing plants led to...
Read MoreA record string of daily highs over 110 degrees Fahrenheit (43.3 degrees Celsius) in Phoenix ended...
Read MoreA large natural experiment in Catalonia shows that moving to areas with higher levels of air...
Read MoreAt Air Quality Index, we bring you the latest Air Quality, Air Pollution News and all the best reviews and guides of Air Purifiers.
City Status