(Washington, D.C. – Sept. 27, 2007) Smog-forming emissions of nitrogen oxides (NOx) from power plants and industry have declined significantly in 19 eastern states and the District of Columbia. The NOx Budget Trading Program (NBP) annual report, released today, indicates that summertime NOx emissions were seven percent lower than in 2005, 60 percent lower than … Continue reading
Wednesday, June 27, 2007: Fine Particulates (PM 2.5) – Code YELLOW Ozone (O3) – Code YELLOW Regional Maximum PM 2.5 Concentrations: Monday, June 25, 2007: PM 2.5 – YELLOW (90 AQI or 35.5 µg/m3) O3 – GREEN 41 AQI or 53 ppb) Short-Term Discussion: A thick shroud of fog has given way to hazy sunshine. … Continue reading
Friday, June 15, 2007: Fine Particulates (PM 2.5) – Code GREEN Ozone (O3) – Code GREEN Regional Maximum PM 2.5 Concentrations: Wednesday, June 13, 2007: PM 2.5 – GREEN (39 AQI or 12.0 µg/m3) O3 – GREEN (21 AQI or 27 ppb) Short-Term Discussion: Clouds locked in over the region at the moment. There are … Continue reading
We’ve recently come across The Smog Blog, an air quality blog which tracks smog and haze across the US. Check it out here.
