The highest AQ index in Idaho (as of 14:00 MDT) is currently the Boise area. Particle Pollution (PM2.5) is measuring at 185 (Unhealthy). This means some members of the general public may experience health effects; members of sensitive groups may experience more serious health effects.
Over the next few days, the highest Particle Pollution (PM2.5) will be in the Boise area. It is forecasted to be Very Unhealthy, meaning health alert: The risk of health effects is increased for everyone.
| 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 5 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.