Air Quality Forecasts

Date	Air Quality Description
Friday, May 16, 2008	Good

Daily Air Quality Index

Date:   Thursday, May 15, 2008
Collection Period Ending Daily at:   02:00 PM

Today's Air Quality Information

Air Quality Index	73
Responsible 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	0.7  ppm	8
Particulate Matter 10	Wylam	35.0  ug/m3	32
Sulfur Dioxide	FairField	0.00  ppm	0
Ozone	Corner High School	0.050  ppm	42
Particulate Matter 2.5	Wylam	24.3  ug/m3	73

Pollution Categories

Air Quality Description	Index
Good	1-50
Moderate	51-100
UnHealthy	101-200
Very UnHealthy	201-300
Hazardous	301 or above

Daily Primary 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	1 HR Concentration Not to Exceed or 8 HR Concentration Not to Exceed	0.12 ppm 0.08 ppm
Particulate Matter 2.5	24 HR Concentration Not to Exceed	35 ug/m3

Other Useful Links:

• Real Time Air Quality Data:   http://vortex.nsstc.uah.edu/empact_bhm/
• Guide to Air Quality and Your Health:   http://www.epa.gov/airnow/aqibroch/aqi.html