Grand Rapids
 
Data courtesy of:
 

AQI Forecast - http://files.airnowtech.org/airnow/today/forecast_aqi_20160213_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://files.airnowtech.org/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://files.airnowtech.org/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
 
Local Air Quality Resources
Action Day Programs | Forecast | Real-time Air Quality Data | Today's AQI
 
State Air Quality Resources
Air Monitoring via MIair – AQI, Pollutant Maps & Data
Air Quality Division - Michigan DEQ
American Lung Association (ALA) of Michigan
Department Environmental Quality (DEQ)
Department of Environmental Quality (DEQ) Environmental Emergency Contacts
EPA Region 5 Air Quality
Local Clean Air Coalitions: Clean Air Coalition of Southeast Michigan
Local Clean Air Coalitions: West Michigan Clean Air Coalition
Midwest Haze Camera
Air Quality Forecast
Today's High Tomorrow's High
Air Quality Index (AQI)
Good Good
Health Message: None
Air Quality Index (AQI)
Good Good
Health Message: None
AQI - Pollutant Details
Particles (PM2.5)
Good
Good
Particles (PM2.5)
Good
Good
Forecast Discussion: FORECAST SUMMARY: Friday, February 12th, 2016 through Tuesday, February 16th, 2016 PM-2.5: 24-hour Fine Particulate concentrations will remain generally Good through the period. FORECAST DISCUSSION: An arctic cold front will drop south through the state Friday. Temperature behind the front are cold with highs on Saturday only ranging from the single digits to the teens, and wind chills will be below zero. Snow showers will accompany the front as it moves through, but the bigger issue will be the lake effect snows kicking in with the northerly flow after the from passes. For air quality, levels have been Good this week and Good readings will continue through Saturday. Later Saturday/early Sunday should be a quiet period with snows decreasing. Winds will be lighter during this time as surface high pressure slides from west to east across the state. By later Sunday wind speeds pick up from the southwest and snow chances increase through Monday as clipper system moves through. Hourly fine particulate levels may reach low end Moderate early Sunday; however, once winds increase, levels will dissipate. Fine particulate Sunday and Monday are expected to average Good. EXTENDED FORECAST: Extended forecast models show another system moving through on Tuesday brining with it another chance for snow showers. With on and off systems through, there doesn’t seem to be a prolonged period of air stagnation; therefore, Good fine particulate levels should continue through Tuesday. Forecast updated by Stephanie Hengesbach: Friday, February 12th, 2016 Next forecast update: Tuesday, February 16th, 2016

Current Conditions
Air Quality Index (AQI)
observed at 5:00 EST
31
Good
Health Message: None
Note: Values above 500 are considered Beyond the AQI. Follow recommendations for the Hazardous category. Additional information on reducing exposure to extremely high levels of particle pollution is available here.
AQI - Pollutant Details
Ozone 31 Good

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