Please select a site and a date. Charts reflecting the data from filter samplers will appear below the selected criteria.

  1. Filter sampler data is not available until 1-2 months after the sampling date.
  2. Filter samples are collected from midnight to midnight CST.
  3. The data on this page was extracted from the AIRS database.
  4. Data is available between the dates of 2000-01-01 and 2024-01-31.
Please select a site for your chart:
Please select a date for your chart:
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EPA (AQI) Health Thresholds
PM10 = 155 µg/m3 over a 24 hour period
PM2.5 = 35.5 µg/m3 over a 24 hour period