Gaithersburg, MD Air Quality Index from WeatherBug.com

Your Local Air Quality

Today's Air Quality - Washington, DC

Date

Code

AQI Level

Major Pollutant

Air Quality Forecast - Washington, DC

Date

Code

AQI Level

Major Pollutant

11/24/2009

N/A

Small Particulate Matter

11/25/2009

N/A

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+

Hi: 57 °F

Lo: 39 °F

Mostly sunny. Highs in the upper 50s. Northeast winds 5 to 10 mph. more

Hi: 51 °F

Lo: 43 °F

Cloudy. Rain likely...mainly in the afternoon. Highs in the lower 50s. Northeast winds 10 to 15 mph. more