The highest AQ index in Oregon (as of 23:00 PDT) is currently the Cove area. Particle Pollution (PM2.5) is measuring at 329 (Hazardous). This means health warning of emergency conditions: everyone is more likely to be affected.
Over the next few days, the highest Particle Pollution (PM2.5) will be in the Klamath Falls area. It is forecasted to be Moderate, meaning air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.
| 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 10 minutes ago
Below is a list of counties in Oregon. Click on any county below and you'll get a list of cities where we provide AQ index forecasts.