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Primary air pollutant in the Petersburg area:
PM2.5 - 55 Moderate
If you are unusually sensitive to particle pollution, consider reducing your activity level or shorten the amount of time you are active outdoors.
Other Pollutants:
PM10 - 16 Good
OZONE - 20 Good
Friday, October 4: Mostly sunny skies will aid ozone formation in the Youngstown-Warren region. Additionally, as a weak frontal boundary moves through northeastern Ohio, calm to light northwesterly winds will limit pollutant dispersion. These conditions will lead to low-Moderate AQI levels. Saturday, October 5: As a surface high pressure system passes to the north, light northeasterly winds will gradually transport cleaner air into the Mahoning Valley. However, regional pollutant carryover from previous days will lead to high-Good AQI levels. Sunday, a cold front will traverse the Buckeye State, producing afternoon thunderstorms and moderate southwesterly to westerly winds. These weather conditions will effectively disperse pollutants, keeping AQI levels high-Good. Monday through Wednesday, as surface high pressure builds to the west behind the departing front, light to moderate northwesterly winds will disperse pollutants and transport clean, cool air into Youngstown-Warren, yielding Good AQI levels on all three days.
Primary Pollutant: PM2.5 - 50 Good
Secondary Pollutant: OZONE - 44 Good
Primary Pollutant: OZONE - 45 Good
Secondary Pollutant: PM2.5 - 44 Good
Primary Pollutant: OZONE - 35 Good
Secondary Pollutant: PM2.5 - 33 Good
Primary Pollutant: OZONE - 33 Good
Secondary Pollutant: PM2.5 - 28 Good
Primary Pollutant: OZONE - 32 Good
Secondary Pollutant: PM2.5 - 28 Good