AnR - Air Quality Forecasts

Birmingham Area Air Quality Forecasts

Date	Air Quality Index Forecast	Responsible Pollutant
Thursday, March 11, 2010	Good	Particulate Matter 2.5

Forecast Discussion
Thursday: The upper low over the Plains will be quasi-stationary with spokes of energy rotating around it. Rain is expected overnight on Wednesday and should end by late morning/mid-day on Thursday. Some small break in cloud cover will be possible late in the day, but skies will remain mostly cloudy for much of the day. Southerly winds will be up to 10-15 mph. The continued washout will keep PM2.5 quite low within in the green range. ML

Note: Forecast available by e-mail, phone (205)933-0583, or on Twitter.

Daily Air Quality Index Report

Date: Wednesday, March 10, 2010
24-hr Collection Period Ending at: 01:00 PM

Note: The Air Quality Index is not reported on weekends or holidays

Maximum Concentrations for Today's Reporting Period
Pollutant	Site	Concentration	Index
Carbon Monoxide	Fairfield	0.4 ppm	5
Particulate Matter 10	North Birmingham	11.0 ug/m3	10
Sulfur Dioxide	Fairfield	0.00 ppm	0
Ozone	Tarrant	0.062 ppm	58
Particulate Matter 2.5	North Birmingham	7.8 ug/m3	25

National Ambient Air Quality Standards
Carbon Monoxide	8-hr Average Concentration Not to Exceed	9 ppm
Particulate Matter 10	24-hr Concentration Not to Exceed	150 ug/m3
Sulfur Dioxide	24-hr Concentration Not to Exceed	0.14 ppm
Ozone	8-hr Concentration Not to Exceed	0.075 ppm
Particulate Matter 2.5	24-hr Concentration Not to Exceed	35 ug/m3