Delaware
 
Data courtesy of:
 

AQI Forecast - http://www.epa.gov/airnow/today/forecast_aqi_20150525_va_wv_md_de_dc.jpg
 
Legend: National Parks/Monuments National Parks/Monuments
 - http://www.epa.gov/airnow/today/cur_aqi_va_wv_md_de_dc.jpg
 
Legend: National Parks/Monuments National Parks/Monuments
AQI Animation - http://www.epa.gov/airnow/today/anim_aqi_va_wv_md_de_dc.gif
 
Legend: National Parks/Monuments National Parks/Monuments
 
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
 
State Air Quality Resources
Air Quality Partnership of the Delaware Valley
American Lung Association (ALA) of Delaware
Delaware AQM - Contacts List
Delaware Division of Air Quality
Delaware's Air Quality Monitoring
Air Quality Forecast
Today's High Tomorrow's High
Air Quality Index (AQI)
67 
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors.
Air Quality Index (AQI)
61 
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors.
AQI - Pollutant Details
Ozone
67 
Moderate
Particles (PM2.5)
53 
Moderate
Ozone
61 
Moderate
Particles (PM2.5)
53 
Moderate
Forecast Discussion: Tuesday will be warm and humid for the return to work and school after the Memorial Day weekend. Despite sunny and warm conditions regionally as of 2 PM on Monday, ozone is being limited to the low-to-mid Moderate range across the state under the influence of breezy afternoon winds and transport of maritime air aloft. This trend in ozone concentrations will continue on Tuesday. It will be mostly sunny, with another day of breezy south/southwesterly afternoon winds. Persistent influx of maritime air aloft will limit ozone to the low Moderate range on Tuesday. Particles are also feeling the influence of the maritime air, and are slow to rise despite the increasingly humid air mass, but they should reach the low Moderate range on Tuesday. **Extended Forecast: Very warm and humid summer-like weather will continue on Wednesday and Thursday. Increased chances of afternoon clouds and thunderstorms, particularly on Thursday, will keep ozone in check in the low Moderate range. Particles will likewise persist in the low Moderate range. -Huff

Current Conditions
Air Quality Index (AQI)
observed at 15:00 EDT
43
Good
Health Message: None
AQI - Pollutant Details
Ozone 43 Good
Particles (PM2.5) 35 Good

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