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_20200127_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 4:00 MST
82
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 44 Good
Particles (PM10) 40 Good
Particles (PM2.5) 82 Moderate
Air Quality Forecast
Today Tomorrow
Air Quality Index (AQI)
64
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
Air Quality Index (AQI)
65
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
AQI - Pollutant Details
Ozone
41
Good
Particles (PM10)
37
Good
Particles (PM2.5)
64
Moderate
Ozone
40
Good
Particles (PM10)
38
Good
Particles (PM2.5)
65
Moderate
Forecast Discussion: [View the ADEQ Hourly Forecast for Phoenix]
A slight increase in clouds today as a weak and dry weather disturbance brushes through the state. This system will quickly slide east as high pressure builds back into the region tomorrow into Sunday. This pattern will result in light winds and afternoon high temperatures in the low to mid-70s.

Late Sunday into Monday, a stronger storm system will move into the state, which will once again increase clouds and breezes. Right now, forecasting, southwest winds of 5-15mph during the afternoon on Sunday before increasing to around 10-20mph out of the north-northwest Monday. This storm will also be lacking a lot of moisture, so all rain chances will stay well north and east of Phoenix.

The main concern for air quality in this forecast will once again be the light winds allowing PM-10 and PM-2.5 to rise. PM-2.5 is forecast to be in the Moderates through the forecast period. Slight improvement in air quality is expected on Sunday and Monday with the added breezes.

Have a great weekend!

M. Pace
http://azdeq.gov/phoenix/forecast
Last Update: Friday, January 24, 2020, 10:16 AM
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