Forecast discussion: Image updated every 5 minutes.
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Superstition Mountains
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Air quality-wise, mild weather conditions this time of year typically means locally-driven pollution. Cooler morning temperatures and light winds are favorable for the buildup of PM10 (dust) and PM2.5 (smoke) from local activity. However, warmer afternoon temperatures will help to mix out PM10 and PM2.5 from the mornings.
EXCEEDANCE REPORT
AQ Exceedance
For now, PM
10 is forecast in the Moderate Air Quality Index (AQI) category each day. This is primarily to account for industrial activity south/southwest of the Phoenix metro area, particularly in the mornings. Elsewhere around the Valley will most likely see PM10 remain in the Good AQI category
Dust-wise, PM-10 (dust) levels are expected to be elevated in the morning hours each day, highest in industrial areas south/southwest of the Phoenix metro area. However, warmer afternoon temperatures will help to mix out PM-10 from the mornings.
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