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Primary air pollutant in the Helena area:
PM2.5 - 41 Good
Enjoy your outdoor activities.
Other Pollutants:
PM10 - 17 Good
OZONE - 6 Good
Tuesday: Surface high pressure centered over the Carolinas will move eastward and into the Atlantic. Skies will be partly cloudy with no rainfall. Winds will be sustained from the south at 5-10 mph with gusts up to around 20 mph. High temperatures will get to around 70. PM2.5 is expected to be in the yellow (moderate) range of the AQI. ML
Primary Pollutant: PM2.5 - 39 Good
Primary Pollutant: PM2.5 - 52 Moderate