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Ambient Information Reporter

Past, current, and forecasted air quality and weather conditions

Ozone Design Value Predictor

Ozone concentration data relative to design value attainment standards

Wind Rose Climatology Tool

Summarized historical wind data for weather stations in North Carolina

Air Quality Model Guidance

The latest high-resolution ozone and PM2.5 model runs produced by NC DAQ

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  A Strengthened PM2.5 Standard is HereJune 18, 2024
  You may have noticed over the past month that there seem to be more fine particulate (i.e., PM2.5) readings elevated into the Code Yellow “moderate”…
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  PM2.5 Data Discrepancies Explained – Part 5 of 5April 2, 2024
  This multi-part blog series highlights several common sources of PM2.5 data with the intent not to endorse or dismiss any particular platform, but to suggest how…

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