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Birmingham Area Air Quality Forecasts

DateAir Quality Index ForecastResponsible Pollutant
Monday, December 22, 2014ModerateParticulate Matter 2.5
Tuesday, December 23, 2014GoodParticulate Matter 2.5


Forecast Discussion
Saturday-Monday: A weakening surface low moving eastward in the northern Gulf will create a chance for light amounts of rainfall early Saturday morning. The rest of Saturday will have partly to mostly cloudy skies. A trough will deepen across the central US on Sunday and Monday. Shortwaves rotating around the trough will create overcast skies all day Sunday and Monday and a chance for light rainfall amounts Sunday night through Monday. Winds will be from the north around 5 mph on Saturday, from the east to southeast at 5-10 mph on Sunday, and around 5 mph from the south on Monday. PM2.5 is expected to be in the lower end of the YELLOW range each day of the forecast period. ML

Tuesday: A trough over the central US will mean rainy conditions for the Birmingham area. A cold front will stall out along the Alabama and Mississippi state borders early in the day. A surface low will develop along the front in the northwest Gulf and travel northward along the frontal boundary. This will pull a ton of moisture northward and will mean a good amount of rainfall for the area. Rain will be light through the morning hours and really pick up during the afternoon and nighttime hours. Winds will be from the south at 5-10 mph. PM2.5 will be in the GREEN range due to a good amount of rainfall.


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



Daily Air Quality Index Report

Date:   Friday, December 19, 2014
24-hr Collection Period Ending at:   01:00 PM



Today's Air Quality Information
Air Quality Index 67
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 Fairfield 0.9  ppm 10
Particulate Matter 10 North Birmingham 11.0  ug/m3 10
Sulfur Dioxide North Birmingham 4.55  ppb 7
Ozone 0  ppm 0
Particulate Matter 2.5 North Birmingham 9.0  ug/m3 38



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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