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Birmingham Area Air Quality Forecasts

DateAir Quality Index ForecastResponsible Pollutant
Wednesday, January 18, 2017GoodParticulate Matter 2.5
Thursday, January 19, 2017GoodParticulate Matter 2.5


Forecast Discussion
Wednesday: A cold front will finally move through the area and stall out just to the south. This will keep the overcast skies in place and a low chance for rainfall. High temperatures will decrease somewhat to the upper 60s. Winds around 5 mph will be from the north to northwest for much of the day and will become easterly late in the day. PM2.5 is expected to be in the GREEN range. ML

Thursday: The front that stalled out south of the area will have a surface low develop along it to the west of the area in response to a weakening upper level low moving from the lower Plains to the upper Mississippi River Valley. The low will move northeast across the mid Mississippi River Valley and lift the front to the south back north as a warm front across the area early in the day. There will be little to no rainfall with the warm front passage. A cold front will then approach the area from the west with moisture getting pulled northward from the Gulf. This will create an excellent chance for rainfall and amounts of 0.75-1.00" possible during the afternoon through evening hours. Winds will be southerly at 5-10 mph throughout the day. These weather conditions are expected to PM2.5 concentrations 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, January 18, 2017
24-hr Collection Period Ending at:   01:00 PM



Today's Air Quality Information
Air Quality Index 28
Primary Pollutant Particulate Matter 2.5
Air Quality Description Good

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 North Birmingham 1.6  ppm 18
Particulate Matter 10 Tarrant 14.0  ug/m3 13
Sulfur Dioxide North Birmingham 7.75  ppb 11
Ozone 0  ppm 0
Particulate Matter 2.5 McAdory 6.7  ug/m3 28



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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