Phoenix
 
Data and Forecasts courtesy of:
 

 - https://files.airnowtech.org/airnow/today/cur_aqi_phoenix_az.jpg
 
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_20171117_phoenix_az.jpg
 
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_phoenix_az.gif
 
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
Maricopa County Air Quality Department | Maricopa County Dust Forecast | Today's AQI and Forecast (AZ 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 10:00 MST
136
Unhealthy for Sensitive Groups
Health Message: The following groups should reduce prolonged or heavy outdoor exertion: People with heart or lung disease, Children and older adults. Everyone else should limit 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 41 Good
Particles (PM10) 136 Unhealthy for Sensitive Groups
Particles (PM2.5) 94 Moderate
Air Quality Forecast
Today Tomorrow
Air Quality Index (AQI)
73
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
Air Quality Index (AQI)
58
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
AQI - Pollutant Details
Carbon Monoxide
13
Good
Ozone
42
Good
Particles (PM10)
73
Moderate
Particles (PM2.5)
59
Moderate
Carbon Monoxide
15
Good
Ozone
44
Good
Particles (PM10)
56
Moderate
Particles (PM2.5)
58
Moderate
Forecast Discussion: If you were lucky enough this morning, you might have felt a few spits of rain. Currently, a plume of moisture in the upper-levels of the atmosphere is streaming in from the Pacific over Arizona. This is providing morning cloud cover to the Valley, and perhaps, spits of rain here and there. Today will be the most interesting day of this forecast period, weather-speaking, as we will have more clouds in the sky and a light, afternoon breeze out of the west. Though nothing too significant, ozone levels are expected to be lower today. However, both PM-10 and PM-2.5 are once again on track to reach the Moderate Air Quality Index (AQI) category today in areas south and west of the Phoenix metro area. Over the weekend, skies should clear up and winds lighten, but high temperatures are forecast to "cool down" to the low 80s and maybe the upper 70s. Ozone will remain in the Good AQI category; PM-10 and PM-2.5 will still have the potential to reach the Moderate category in the usual places south and west of the Phoenix metro area. By the beginning of next work week, high pressure will start building over the region. PM-10 and PM-2.5 levels may trend upwards, but ozone is still expected to stay in the Good AQI category. Overall, air quality is forecast to remain the relatively steady over the next several days. Check back on Monday for next week's full air quality forecast! –M. Graves http://www.azdeq.gov/programs/air-quality-programs/air-forecasting Last Update: Friday, November 17, 2017, 8:43 AM
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