Air Quality Data
The Air Quality Program provides both historic air quality data and live data from around the county. Data is collected by the Monitoring and Source Testing Program and assessed to better understand air composition. The Planning and Data Assessment program uses the data for modeling and analysis purposes. Both programs send data and analysis to the PA Department of Environmental Protection and the US Environmental Protection Agency.
Air Quality Index
This dashboard is updated hourly, every day of the year for fine particulate matter (PM2.5), sulfur dioxide (SO2), and ozone (O3). The dashboard is interactive by location, pollutant, and time period.
This page has two dashboards, the emissions inventory dashboard and the hydrogen sulfide dashboard. The emissions inventory dashboard has emissions data from the last 10+ year and allows users to look at different facilities and pollutants over a selected timeframe. The hydrogen sulfide dashboard provides real time data on H2S levels in Allegheny County.
This document is updated hourly and contains the past seven days of data for all monitoring sites.
This daily report shows the highest forecasted Air Quality Index (AQI) for Pittsburgh as well as the Liberty-Clairton area for that day and the next as well as a short description of the meteorology and inversion conditions.
This page contains air dispersion reports and descriptions of pollutants the Air Quality Program monitors.
This page contains the recent reports, studies, and documents.