Check out the Standard of Air-Quality in your Area.
Check out the Air Quality in your Region !
Compare the Air with the Standards !
We already have the statistics for the future: the growth percentages of pollution, overpopulation, desertification. The future is already in place. - Gunter Grass
The U.S. National Ambient Air Quality Standards are limits on atmospheric concentration of six pollutants that cause smog, acid rain, and other health hazards. Established by the United States Environmental Protection Agency under authority of the Clean Air Act, NAAQS is applied for outdoor air throughout the country.
The Universe is everything we can touch, feel, sense, measure or detect. It includes living things, planets, stars, galaxies, dust clouds, light, and even time.