-
Federal
Collection Congestion Mitigation and Air Quality (CMAQ)
Department of Transportation —
All 50 states and the District of Columbia submit annual reports of their CMAQ project obligations in March of every year. The FHWA uses these yearly submissions to... -
Report on Air Quality Trends in the District of Columbia
District of Columbia —
To better understand the current air quality status in the District, the following summary highlights key pollutants and their compliance with the National Ambient Air...