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Air Quality

Current Air Quality

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Burning Restrictions

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Current Air Quality Index
How does the AQI work?
Burn Bans

AQI Chart with General Health Guidance for Schools, Coaches, Outdoor Event or Facility Coordinators in Spokane County 

Chart with General Health Guidance for Washington State

Air Quality Index (AQI)

The Air Quality Index (AQI) is a color-coded tool for reporting air quality. It provides simple information on local air quality, the health concerns for different levels of air pollution, and how you can protect your health when pollutants reach unhealthy levels. Measured concentrations of air pollutants are converted to the AQI scale of 0 to 500.

In some areas of Washington, air quality is reported using a similar tool as the AQI, but with different thresholds. It's called the Washington Air Quality Advisory or WAQA, and it was developed by Ecology. Learn more about WAQA here

Spokane Clean Air reports two AQIs: Current (updated hourly) and Official (updated at the end of each day). 

AQI Value
Category/Color Code
Cautionary Health Statements as of 9/30/17 
days in each category 

2016
days in each category

2015
days in each category 
 
 2014
days in each category

2013 
days in each category

0-50
Good/Green
Air quality is considered satisfactory, and
air pollution poses little or no risk. 
176 273 258 284 241
51-100
Moderate/Yellow

Air quality is acceptable; however, for certain pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive
to air pollution.

79 93 90 80 121
101-150
Unhealthy for Sensitive Groups/Orange
Peope with heart and lung disease, older adults, and children are at greater risk from air pollution. The general public is not likely to be affected.  11 0 11 1 2
151-200
Unhealthy/Red
Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects.  4 0 5 1 1
201-300
Very Unhealthy
Health warnings of emergency conditions. The entire population is more likely to be affected.  3  0 0 0 0
301-500+
Hazardous
Health alert: 
everyone may experience more serious health effects.
 
0  0 0 0 0

 

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