Silvana, WA Air Quality Index from WeatherBug.com

Your Local Air Quality

Today's Air Quality - Mount Vernon, WA

Date

Code

AQI Level

Major Pollutant

11/20/2009

8:00 PM

Small Particulate Matter

Air Quality Forecast - Mount Vernon, WA

Date

Code

AQI Level

Major Pollutant

11/20/2009

N/A

Ozone

11/20/2009

N/A

Ozone

11/21/2009

N/A

Ozone

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: 39 °F

Showers likely. Chance of a thunderstorm this evening. Breezy. Lows in the mid 30s to lower 40s. Sou more

Hi: 45 °F

Lo: 40 °F

Rain and breezy by afternoon. Highs in the 40s. South wind 10 to 15 mph increasing to 15 to 25 mph i more