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Primary air pollutant in the Arlington Heights area:
PM2.5 - 18 Good
Enjoy your outdoor activities.
For Apr 28 - May 5 (Mon-Mon): Expect GOOD air quality through early next week with a mix of cloudy and sunny weather.
Primary Pollutant: PM2.5 - 33 Good
Secondary Pollutant: OZONE - 31 Good
Primary Pollutant: PM2.5 - 33 Good
Secondary Pollutant: OZONE - 31 Good
Primary Pollutant: PM2.5 - 33 Good
Secondary Pollutant: OZONE - 31 Good
Primary Pollutant: PM2.5 - 33 Good
Secondary Pollutant: OZONE - 31 Good
Primary Pollutant: PM2.5 - 33 Good
Secondary Pollutant: OZONE - 31 Good
Primary Pollutant: PM2.5 - 33 Good
Secondary Pollutant: OZONE - 31 Good