Note: Hover over datapoints on the graph for more information.

Daily AQI Table

Pollutant	09/19/26	09/20/26	09/21/26	09/22/26	09/23/26
Ozone	44	51	61	38	34
PM2.5	52	53	55	45	39

Synopsis and Discussion

Morning cloud cover has kept ozone production lower than expected, but sunnier skies this afternoon will likely allow ozone AQI to reach Code YELLOW. Particle pollution also remains elevated in the Code YELLOW range under a weakening surface high pressure ridge. Monday will likely be hot and humid for much of the day, allowing ozone and particle pollution levels to easily reach Codde YELLOW AQI for both pollutants. However, an advancing cold front from the north will likely bring scattered showers and storms to the Triad later in the afternoon and evening. Behind the front, air quality levels are expected to drop to Code GREEN by late Monday evening. Cold air damming begins to set up over the Triad and will settle over the region the next few days to bring cooler and cloudier conditions Tuesday and Wednesday. With that said, air quality levels will easily remain Code GREEN through mid-week as the cold air wedge takes hold. (Payne)

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Air Monitoring Data

The Forsyth County Office of Environmental Assistance and Protection is making data available from the county's air monitoring network as a public service. These data represent the hourly data set from all of the sites within this network. Data from Triad sites outside of Forsyth County are collected by the North Carolina Division of Air Quality.

Reports

• Current Hourly Data(pdf)(txt)
• Yesterday's Data & Calibration Report(pdf)(txt)
• Simple Key for Reading Data File