The area with the highest AQ Index (as of 5:00 MST) in is in the Havre (seasonal) area. Particle Pollution (PM2.5) is measuring at 4 (Good). This means air quality is satisfactory, and air pollution poses little or no risk.
Over the next few days, the highest primary air pollutant will be Ozone (OZONE) in the Havre (seasonal) area. It is forecasted to be 0 (Good), meaning air quality is satisfactory, and air pollution poses little or no risk.
Below is a clickable map of Hill County, Montana. The markers on the map identify large, populated cities. If you hover over a marker, it will display the city name and the current AQ index. The color of the city markers also references the current AQ risk level.
| 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 |
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Below is a list of cities in Hill County where we track and forecast the AQ index. Click on a city name to get the current AQ index as well as any available forcasts.
| Havre | Parker School | Havre North | Azure | Beaver Creek |
| Sangrey | St. Pierre | Rocky Boy's Agency | Rudyard | Herron |
| Gildford | West Havre | Hingham | Saddle Butte | Kremlin |
| Box Elder | Inverness | Gildford Colony |