Home > USA > Oregon > Multnomah County > Portland
Primary air pollutant in the Portland area:
OZONE - 27 Good
Enjoy your outdoor activities.
Other Pollutants:
PM2.5 - 25 Good
Primary Pollutant: PM2.5 - 50 Good
Secondary Pollutant: OZONE - 34 Good
Primary Pollutant: PM2.5 - 50 Good
Secondary Pollutant: OZONE - 35 Good