Tag

pm2-5

2 datasets
  • Air Quality System (AQS) ambient observations

    Offsite — Ambient PM2.5 (particulate matter less than 2.5 microns) concentrations from the national ambient air quality monitoring networks stored in the Air Quality System (AQS). Additional facts from data.gov Dataset Summary Date Released: 04/10/2008 Date Updated: 06/04/2009 Time Period: 1 year (2007) Data.gov Data Category Type: Raw Data Catalog Frequency: Daily (or 1 day ...
  • Air Quality System (AQS) ambient observations

    Offsite — Ambient PM2.5 (particulate matter less than 2.5 microns) concentrations from the national ambient air quality monitoring networks stored in the Air Quality System (AQS). Additional facts from data.gov Dataset Summary Date Released: 04/15/2008 Date Updated: 06/04/2009 Time Period: 1 year (2008) Data.gov Data Category Type: Raw Data Catalog Frequency: Daily (or 1 day ...