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_20190324_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
58
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors.
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 58 Moderate
Particles (PM10) 30 Good
Particles (PM2.5) 28 Good
Air Quality Forecast
Today Tomorrow
Air Quality Index (AQI)
80
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors.
Air Quality Index (AQI)
84
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors.
AQI - Pollutant Details
Ozone
80
Moderate
Particles (PM10)
40
Good
Particles (PM2.5)
30
Good
Ozone
84
Moderate
Particles (PM10)
44
Good
Particles (PM2.5)
30
Good
Forecast Discussion: [View the ADEQ Hourly Forecast for Phoenix]
The storm system that moved through the region yesterday is now shifting toward the northeast as high pressure builds back into the area from the west. This pattern will mean calmer winds, mostly sunny skies, and warming temperatures through the weekend.

As high pressure strengthens over the region, ozone is expected to climb given stagnant conditions coupled with longer daylight hours as we move closer to summer. By Monday and Tuesday, forecasting ozone to be in the mid-Moderate AQI category. Right now, it appears ozone will be capped from rising too much higher as some clouds may move into the region Monday afternoon through the day on Tuesday.

With light winds throughout the day, PM-10 will also see elevated readings each morning, but given warmer afternoon temperatures resulting in plenty of mixing, the daily AQI value is forecast to remain in the Good AQI category.

As for temperatures, expect afternoon high temps to be in the upper 70s to low 80s Saturday and Sunday before rising into the mid/upper 80s on Monday and Tuesday.

Have a great weekend!

M. Pace
http://azdeq.gov/phoenix/forecast
Last Update: Friday, March 22, 2019, 7:59 AM
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