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U.S. Air Quality Summary (text)
 
AIRNow Home >> Michigan >> Ludington
 
Data courtesy of: Michigan Department of Environmental Quality
 

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AQI Forecast - http://www.epa.gov/airnow/today/forecast_aqi_20130519_mi_in_oh.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_mi_in_oh.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_mi_in_oh.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
 
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Air Quality Index (AQI)
Good Good
Health Message: None
Air Quality Index (AQI)
Moderate Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors.
AQI - Pollutant Details
Particles (PM2.5)
Good
Good
Ozone
Good
Good
Ozone
Moderate
Moderate
Particles (PM2.5)
Good
Good
Forecast Discussion: FORECAST SUMMARY: Monday, May 13th, 2013 2013 through Monday, May 20th, 2013 8-hour Ozone concentrations are forecast to be in the Good to low Moderate range for the forecast period. PM-2.5: 24-hour Fine Particulate levels are projected to be in the Good to low Moderate category. FORECAST DISCUSSION: A warm up is expected this week compared to the cool temperatures during the previous weekend. Sunny skies and cooler conditions Monday will be replaced with warmer air and a chance of precipitation Tuesday as a warm front moves through. On Wednesday, a small chance for precipitation remains as a weak cold front passes. Surface temperatures will increase into the 70s Tuesday and Wednesday; however, upper level winds remain primarily from the west/northwest keeping pollution levels in check. Good ozone concentrations Monday could reach Moderate Tuesday and Wednesday while fine particulate readings remain Good. Thursday into Friday surface high pressure moves overhead. Surface winds decrease toward the end of the week and the upper level flow is again from the west/northwest. Plenty of sunshine is expected but upper level temperatures remain low enough where I don’t feel ozone will be a concern; with the lighter surface winds fine particulate may increase into the Moderate range Friday. EXTENDED FORECAST: By Saturday the next weather system is approaching from the southwest. Extended forecast models show precipitation moving in during the day Saturday. Upper level temperatures do increase Saturday into Sunday on a southwesterly flow but currently it looks like clouds and precipitation will keep ozone from increasing significantly. With increased moisture fine particulate readings in the upper Good to middle Moderate range can be expected. This system keeps precipitation in the forecast through early next week. Ozone should be Good for the end of the forecast period with a mix of Good and Moderate fine particulate levels until the system tracks east by next Tuesday. Forecast updated by Stephanie Hengesbach: Monday, May 13th 2013 Next forecast update: Monday, May 20th 2013

Current Conditions
Air Quality Index (AQI)
observed at 18:00 EDT
52
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
AQI - Pollutant Details
Particles (PM2.5) 52 Moderate
Ozone 47 Good

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