Air Quality Action Day has been declared for Thursday, Sep 2

Tomorrow’s Forecast
Thursday, Sep 2: 120 AQI Unhealthy for Sensitive Groups Ozone
95 AQI Moderate Particle Pollution (2.5 microns)

Extended Forecast
Friday, Sep 3: 95 AQI Moderate Ozone
80 AQI Moderate Particle Pollution (2.5 microns)

Current Conditions: As of 2 PM on Wednesday, sunny skies prevail across the region as a ridge of high pressure remains centered across the East Coast. Right now, southerly winds are not only forcing temperatures up into the low 90s but also air quality levels into the Code ORANGE range. With light flow a full day of sunshine on tap for tomorrow, expect another Code ORANGE day for ozone to unfold (with PM 2.5 in the moderate range). *** Thursday’s Forecast: So for Thursday, mostly sunny skies should persist across our area for much of the day as we remain under the influence of the high pressure system (which has persisted over the area for the past several days). As a result, we will continue to see light winds and warm temperatures. In fact, afternoon highs will peak in the low 90s once again. With the overall pattern remaining fairly stagnant, we expect air quality levels to be poor once again. The photochemical nature of ozone will allow ozone levels to rise into the Code ORANGE threshold. PM 2.5 levels are also going to remain elevated (with more humid conditions building in over the area). Overall, concentrations should remain in the upper moderate range.

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