Tucson
 
Data and Forecasts courtesy of:
 

 - https://files.airnowtech.org/airnow/today/cur_aqi_co_ut_az_nm.jpg Map Map Map Map Map Map Map Map Map Map Map Map Map
 
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 Forecast - https://files.airnowtech.org/airnow/today/forecast_aqi_20180220_co_ut_az_nm.jpg Map Map Map Map Map Map Map Map Map Map Map Map Map
 
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 - https://files.airnowtech.org/airnow/today/anim_aqi_co_ut_az_nm.gif Map Map Map Map Map Map Map Map Map Map Map Map Map
 
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: Good (0 - 50)
Air quality is considered satisfactory, and air pollution poses little or no risk.
AQI: Moderate (51 - 100) AQI: Moderate (51 - 100)
Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.
AQI: Unhealthy for Sensitive Groups (101 - 150) AQI: Unhealthy for Sensitive Groups (101 - 150)
Although general public is not likely to be affected at this AQI range, people with lung disease, older adults and children are at a greater risk from exposure to ozone, whereas persons with heart and lung disease, older adults and children are at greater risk from the presence of particles in the air.
AQI: Unhealthy (151 - 200) AQI: Unhealthy (151 - 200)
Everyone may begin to experience health effects members of sensitive groups may experience more serious health effects.
 AQI:Very Unhealthy (201 - 300) AQI: Very Unhealthy (201 - 300)
Health alert: everyone may experience more serious health effects.
AQI: Hazardous(301 - 500) AQI: Hazardous (301 - 500)
Health warnings of emergency conditions. The entire population is more likely to be affected.
Action DayAction Day
 
Local Air Quality Resources
Pima County Environmental Quality Air Quality Information | Today's AQI (Pima County DEQ)
 
State Air Quality Resources
ADEQ Contact Information
ADEQ Regional Haze and Visibility
American Lung Association (ALA) of Arizona
Arizona Department of Environmental Quality Air Quality Division
Clean Air Make More - Maricopa County
Gila River Indian Community DEQ Air Quality Program
 
Data and Forecasts courtesy of:
Current Conditions
Air Quality Index (AQI)
observed at 13:00 MST
54
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
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 39 Good
Particles (PM10) 48 Good
Particles (PM2.5) 54 Moderate
Air Quality Forecast
Today Tomorrow
Air Quality Index (AQI)
52
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
Air Quality Index (AQI)
41
Good
Health Message: None
AQI - Pollutant Details
Ozone
40
Good
Particles (PM10)
52
Moderate
Ozone
41
Good
Particles (PM10)
34
Good
Forecast Discussion: Has been an interesting past 24 hours for Tucson as a storm system moved through the area bringing with it strong winds and even a little bit of rain. Officially, Tucson International Airport recorded a wind gust yesterday of 44mph and measured 0.05 inches of rain. An additional few hundredths of an inch of rain fell early this morning however skies should quickly clear this morning. As for air quality, yesterday the Rillito monitor did reach into the Moderate category with an AQI of 61 mainly due to some higher spikes in the afternoon/evening when the winds were the strongest. Overall this week, a broad trough will continue to sit over the Western US. This will allow several storm systems to slide down the coast and into Arizona. The next system will move in Wednesday and bring with it a slight increase in clouds, elevated breezes and another round of cooler air. A second stronger system will move into the region Thursday through Saturday. This will bring stronger winds to the area, especially Thursday night into Friday. It will also bring a slight chance of rain back to the city on Friday and more cool air. Overall, expecting good air quality through Thursday (except for Rillito today) before moderate PM-10 levels move back into the forecast with the increased winds on Friday. Temperatures all week will be below average sitting in the low 60's. –M. Pace http://www.azdeq.gov/programs/air-quality-programs/air-forecasting Last Update: Tuesday, February 20, 2018, 7:40 AM
Past Air Quality Maps and Data
Yesterday's Maps and Data
Air Quality Maps Archives (by region)

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Tucson, AZ
 
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