Air quality in Portland

Air quality index (AQI) and PM2.5 air pollution in Portland

LAST UPDATE (local time)

LIVE AQI CITY RANKING

Real-time Portland
Most polluted city ranking

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LIVE AQI CITY RANKING

Real-time Portland
Cleanest city ranking

Good
Moderate
Unhealthy for sensitive groups
Unhealthy
Very unhealthy
Hazardous
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