Triad Forecast

  Particulate Matter Ozone
04/15/26
 
 
04/16/26
 
 
04/17/26
 
 
04/18/26
 
 
Fine Particles
59
Moderate
Fine Particles
63
Moderate
Fine Particles
53
Moderate
Fine Particles
60
Moderate
Ozone
97
Moderate
Ozone
87
Moderate
Ozone
64
Moderate
Ozone
77
Moderate

Synopsis and Discussion

Ozone levels have steadily risen into the upper Code YELLOW range this afternoon, as record high temperatures coupled with a relatively dry air mass has led to decent ozone production across the Triad. Some areas may see ozone AQI reach Code ORANGE for a few hours this afternoon prior to sunset, but persistent southwesterly winds should create enough low-level dispersion to prevent daily 8-hr averages from reaching air quality alert status. Strong upper-level ridging will continue to remain in place tomorrow, with southwesterly wind speeds increasing ahead of an upper-level disturbance moving along the northern periphery of the upper ridge. The increase in wind speed should further disperse ozone concentrations despite another day of record high temperatures and dry conditions, keeping ozone AQI in the upper Code YELLOW range. Winds are expected to shift west-northwest to westerly as the upper-level disturbance departs to the east on Friday, lowering ozone levels into the middle to upper Code YELLOW range. Winds shift back southwesterly on Saturday, becoming gusty at times ahead of a strong upper-level trough approaching from the east. With that said, ozone levels will likely remain in the upper Code YELLOW range on Saturday. Particle pollution is expected to remain a secondary pollutant through the period, hovering around the lower Code YELLOW range. (Payne) *** Due to increased wildfire risk and severe drought across most of the state, the N.C. Forest Service has issued a statewide ban on all open burning and has canceled all burning permits statewide. ***

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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

Disclaimer: The Forsyth County Office of Environmental Assistance and Protection posts this information using the first available data from our air quality monitoring network. No quality control review has been performed on this data, and the final results are subject to change after completion of standard quality assurance review and validation procedures.

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