The highest AQ index in Washington (as of 19:00 PDT) is currently the Seattle-Bellevue-Kent Valley area. Ozone (OZONE) is measuring at 37 (Good). This means air quality is satisfactory, and air pollution poses little or no risk.
Over the next few days, the highest Particle Pollution (PM2.5) will be in the Bremerton-Silverdale-Bainbridge Island area. It is forecasted to be Good, meaning air quality is satisfactory, and air pollution poses little or no risk.
For Apr 13-20 (Fri-Mon): This weekend we'll have mostly GOOD air quality throughout the Sound. A mix of clouds and sun will give us mild to pleasant spring temperatures. Winds will be light to stagnant, so a few places may temporarily move into MODERATE overnight.
| Range | 0 - 50 | 51 - 100 | 101 - 150 | 151 - 200 | 201 - 300 | 301 - 500 |
| Color | ||||||
| Category | Good | Moderate | Unhealthy for Sensitive Groups | Unhealthy | Very Unhealthy | Hazardous |
Last Updated 14 minutes ago
Below is a list of counties in Washington. Click on any county below and you'll get a list of cities where we provide AQ index forecasts.