Washington Air Quality Map

In the following Washington air quality map, you can see how the air quality is where you live or throughout Washington. This information is provided via the United States Environmental Protection Agency and updated hourly.

Washington Air Quality Index

Here’s what the information in the map means with the following information being provided by AirNow.gov:

• Green equals Good which is a Values of Index between 0 to 50. This means air quality is satisfactory, and air pollution poses little or no risk.
• Yellow equals Moderate which is a Values of Index between 51 to 100. This means air quality is acceptable, however, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.
• Orange equals Unhealthy for Sensitive Groups which is a Values of Index between 101 to 150. This means members of sensitive groups may experience health effects. The general public is less likely to be affected.
• Red equals Unhealthy which is a Values of Index between 151 to 200. This means some members of the general public may experience health effects; members of sensitive groups may experience more serious health effects.
• Purple equals Very Unhealthy which is a Values of Index between 201 to 300. This means this is a health alert as the risk of health effects is increased for everyone.
• Maroon equals Hazardous which is a Values of Index between 301 and higher. This means this is a health warning of emergency conditions: everyone is more likely to be affected.

You can find more information about the information in the map below at AirNow.gov.