Western Maryland
 
Data courtesy of:
 

AQI Forecast - http://www.epa.gov/airnow/today/forecast_aqi_20150228_maryland.jpg
 
Legend: National Parks/Monuments National Parks/Monuments     Legend: Tribal Boundaries Tribal Boundaries
The tribal boundaries shown here are provided by the Bureau of Indian Affairs and are intended to be used as a general spatial reference only. They are not a formal determination of tribal boundaries by the EPA.
 - http://www.epa.gov/airnow/today/cur_aqi_maryland.jpg
 
Legend: National Parks/Monuments National Parks/Monuments     Legend: Tribal Boundaries Tribal Boundaries
The tribal boundaries shown here are provided by the Bureau of Indian Affairs and are intended to be used as a general spatial reference only. They are not a formal determination of tribal boundaries by the EPA.
AQI Animation - http://www.epa.gov/airnow/today/anim_aqi_maryland.gif
 
Legend: National Parks/Monuments National Parks/Monuments     Legend: Tribal Boundaries Tribal Boundaries
The tribal boundaries shown here are provided by the Bureau of Indian Affairs and are intended to be used as a general spatial reference only. They are not a formal determination of tribal boundaries by the EPA.
 
AQI: Good (0 - 50) AQI: Moderate (51 - 100) AQI: Unhealthy for Sensitive Groups (101 - 150) AQI: Unhealthy (151 - 200) AQI: Very Unhealthy (201 - 300) AQI: Hazardous(301 - 500) Action DayAction Day
 
Local Air Quality Resources
Action Day Program
 
State Air Quality Resources
American Lung Association (ALA) of Maryland
Clean Air Partners
MDE - Contacts US
MDE - Air and Health Information Center
Maryland Department of the Environment (MDE)
Air Quality Forecast
Today's High Tomorrow's High
Air Quality Index (AQI)
59 
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
Air Quality Index (AQI)
78 
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
AQI - Pollutant Details
Particles (PM2.5)
59 
Moderate
Particles (PM2.5)
78 
Moderate
Forecast Discussion: USG conditions possible Saturday and Sunday. Strong high pressure will settle in to the region on Saturday and linger through much of Sunday. Calm winds and recirculation on Saturday, particularly towards evening will cause a sharp increase in fine particles through the day. Depending on morning concentrations on Saturday, urban areas such as Baltimore may push above the USG limit. Sensitive populations should monitor air quality conditions. Particle concentrations will carry in to Sunday where reduced mixing and increases in temperature and humidity will cause particle concentrations to push towards and above USG for the daily average. Some carry-over of particle concentrations will also take place on Monday before a front sweeps the area clean resulting in Moderate air quality for the daily average. High pressure again moves in on Tuesday, raising concentrations within the Moderate range which will then persist in to Wednesday. - MDE

Current Conditions
Air Quality Index (AQI)
observed at 13:00 EST
48
Good
Health Message: None
AQI - Pollutant Details
Particles (PM2.5) 48 Good
Ozone 31 Good

Past Air Quality Maps and Data
Yesterday's Maps and Data
Air Quality Maps Archives (by region)

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