Huntsville, Alabama

AIR QUALITY FORECAST FOR HUNTSVILLE

May 22, 2013

Primary Pollutant	PM 2.5
No health impacts expected.

Recommended Actions

Air quality forecasts for the Huntsville area are provided by ADEM (the Alabama Department of Environmental Management).

National air quality forecasts. E-mail notification of forecasts available.

DAILY AIR QUALITY AND POLLEN DATA

May 21, 2013

Air Quality Index (AQI*)	60
AQI Category	MODERATE
Responsible Pollutant	PM 2.5
OZONE 1-Hr Maximum	.053
OZONE 8-Hr Maximum	.041
PM 10	21 ug/m³
PM 2.5**	16.50 ug/m³








Pollen Data
DATE	5/8/13
CONC. grains/m³	100
INDEX	MODERATE
PREDOMINATE POLLEN TYPE	TREE

Additional Pollen Information & Data

*The Air Quality Index incorporates into a single index maximum concentrations of five criteria pollutants: ozone (1 and 8 hour averages), particulate matter, carbon monoxide, sulfur dioxide, and nitrogen dioxide. In Huntsville, ozone and fine particulate are the pollutants of principal concern. The scale of the index (0 - 500) is divided into general categories that are associated with health messages.

**AQI values for fine particulate matter (PM2.5) are based on continuous monitoring data, rather than a Federal Reference Method (FRM). FRM data are more accurate, but are not available within 24-hours.

2013 SEASONAL OZONE DATA - Maximum Values

AIRPORT ROAD SITE		CAPSHAW ROAD SITE
DATE	8-HOUR AVERAGE	DATE	8-HOUR AVERAGE
3/15/13	.067	3/15/13	.066
4/06/13	.060	4/06/13	.061
4/10/13	.059	4/10/13	.060
3/29/13	.058	3/29/13	.057
DATE	1-HOUR AVERAGE	DATE	1-HOUR AVERAGE
3/15/13	.078	3/15/13	.073
4/10/13	.064	4/10/13	.065
3/29/13	.063	3/29/13	.063
4/06/13	.062	4/06/13	.063

For additional information on air quality and/or an overview of program activities, please browse other sections of the Division Web Site. You may also contact:

Div. of Natural Resources., P.O. Box 308., Huntsville, AL 35804., (256)427-5750 or e-mail:D. E. Shea, Director