The highest AQ index in Idaho (as of 14:00 PDT) is currently the St. Maries area. Particle Pollution (PM2.5) is measuring at 49 (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 St. Maries area. It is forecasted to be Good, meaning air quality is satisfactory, and air pollution poses little or no risk.
High pressure returns Thursday into Saturday, with a drier and warmer weather. Unsettled weather returns to the region next week with rain, mountain snow, and breezy conditions. Air Quality is expected to be mostly in the GOOD to MODERATE categories in most places this weekend.
| 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 4 minutes ago
Below is a list of counties in Idaho. Click on any county below and you'll get a list of cities where we provide AQ index forecasts.