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Air Management Services

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Air Monitoring Lab

The AMS Lab, in operation since 1964, monitors the city's ambient air and analyzes samples for pollutants of concern under city, state, and federal air regulations. This includes:

  • Toxics, comprised of metals, including lead, organics collected in canisters and carbonyls including formaldehyde. Samples are collected at five sites within the City and analyzed at AMS lab. Additionally, AMS Lab is the Regional Lab for carbonyl analysis.
  • Particulates, in two primary size fractions, PM10 and PM2.5, collected at six sites within the city.
  • Speciated PM2.5 particulate samples collected at two sites for shipment to an EPA contracted lab for analysis.
  • Gaseous pollutants, including carbon monoxide, sulfur dioxide, ozone, nitrogen dioxide, and nitrous oxide continuously monitored at six sites with minute by minute data transferred wirelessly to a central computer at AMS Lab.
  • Organic content of coatings, and inks. AMS Lab is the Regional Lab for coatings analysis.
  • pH levels in precipitation collected at the AMS Lab site.
  • Sulfur content of fuel oil samples collected from sources within the City.
  • Photo reactive organics in samples collected at AMS Lab. AMS Lab is a Type II PAMS air monitoring site.

The 2018 - 2019 Monitoring Network Plan describes the air monitoring network in Philadelphia, includes site photos and a network map, and provides an in depth description of the pollutants monitored at each site.

The 2015 5 Year Network Assessment provide a comprehensive review of the Philadelphia air monitoring network and the relative value of each monitor and station. In general, the Assessment determined that the AMS network still meets the monitoring objectives.

2018 Philadelphia Air Monitoring Network

The EPA’s RadNet tracks fluctuations in gamma radiation emitted from airborne radioactive particles at Philadelphia’s LAB Monitoring Site.

The Village Green Project

The Village Green Project is a research effort to discover new ways of measuring air quality and weather conditions in community environments. Find out more.

Air Monitoring Data

All data is reported to a national database maintained by the U.S. EPA, called AQS. EPA provides a website to query and download current and historic data from our air monitoring stations. Click HERE to download data.