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Primary air pollutant in the Ponchatoula area:
PM2.5 - 77 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:
OZONE - 5 Good
Sunday, calm to light easterly winds will lead to pollutant build-up across the Bayou State. Furthermore, a weak upper-level ridge of high pressure will limit mixing in the atmosphere. These conditions, combined with any smoke from regional agricultural fires, will lead to high-Good to low-Moderate AQI levels. Monday and Christmas Eve, as surface high pressure gradually departs eastward and a low pressure system approaches from the west, easterly to southeasterly winds will strengthen slightly, increasing pollutant dispersion. However, temperature inversions through the morning and evening hours will inhibit low-level mixing. As a result, AQI levels will be high-Good to low-Moderate on Monday and high-Good in most cities on Tuesday.
Primary Pollutant: PM2.5 - 53 Moderate
Secondary Pollutant: OZONE - 34 Good
Primary Pollutant: PM2.5 - 53 Moderate
Secondary Pollutant: OZONE - 38 Good
Primary Pollutant: PM2.5 - 44 Good
Secondary Pollutant: OZONE - 39 Good