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Today's Air Quality - Portland, OR

Date

Code

AQI Level

Major Pollutant

Air Quality Forecast - Portland, OR

Date

Code

AQI Level

Major Pollutant

11/23/2009

Small Particulate Matter

Air Quality Index (AQI) Scale
AQI Color	AQI Category	AQI Numbers
	Good	0-50
	Moderate	51-100
	Unhealthy for Sensitive Groups	101-150
	Unhealthy	151-200
	Very Unhealthy	201-300
	Hazardous	301-500+

Lo: 5 °C

Rain in the evening...then showers after midnight. Windy. Lows 40 to 45. Southeast wind 15 to 25 mph more

Hi: 8 °C

Lo: 3 °C

Mostly cloudy. Showers likely in the morning...then a chance of showers in the afternoon. Breezy. Hi more