The highest AQ index in New Hampshire (as of 19:00 EST) is currently the Keene area. Particle Pollution (PM2.5) is measuring at 53 (Moderate). This means air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.
Over the next few days, the highest Particle Pollution (PM2.5) will be in the Keene 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 25 minutes ago
Below is a list of counties in New Hampshire. Click on any county below and you'll get a list of cities where we provide AQ index forecasts.
| Hillsborough | Rockingham | Strafford | Merrimack | Cheshire |
| Belknap | Grafton | Sullivan | Coos | Carroll |