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Birmingham Area Air Quality Forecasts

DateAir Quality Index ForecastResponsible Pollutant
Thursday, May 23, 2013GoodOzone And Particulate Matter 2.5


Forecast Discussion
Thursday: A trough will remain over the Midwest to Great Lakes Regions. A cold front will move through during the first half of the day and will only lead to a very small chance for rainfall with the upper level lift well to the north. A shortwave will round the base of the trough later in the day and will usher drier air into the area that will clear the skies overnight. Winds will be from the west to northwest up to around 15 mph. PM2.5 and Ozone are expected to be in the GREEN range with cloud cover and increased atmospheric mixing. ML


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



Daily Air Quality Index Report

Date:   Wednesday, May 22, 2013
24-hr Collection Period Ending at:   02:00 PM



Today's Air Quality Information
Air Quality Index 53
Primary Pollutant Particulate Matter 2.5
Air Quality Description Moderate

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 East Thomas-Finley 0.6  ppm 7
Particulate Matter 10 Wylam 21.0  ug/m3 19
Sulfur Dioxide Fairfield 10.67  ppb 16
Ozone Tarrant 0.044  ppm 37
Particulate Matter 2.5 Leeds 13.1  ug/m3 53



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 1-hr Concentration Not to Exceed 75 ppb
Ozone 8-hr Concentration Not to Exceed 0.075 ppm
Particulate Matter 2.5 24-hr Concentration Not to Exceed 35 ug/m3


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