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Recommendations are indicative. Consult local advisories if you have health concerns.
Get the latest air quality in Alton (3809), including PM2.5, PM10, O₃, CO, NO₂, and SO₂ data. This dashboard shows the current AQI and 7-day weather forecast for Alton, NH. Learn about pollution levels, humidity, wind, and temperature trends to make informed outdoor activity decisions.
Updated daily using real-time data from Open-Meteo. Check this page regularly for live air pollution updates in Alton and surrounding areas.
Holderness (3245) , Durham (3824) , Concord (3303) , Belmont (3220) , Milton mills (3852) , Center tuftonboro (3816) , Gilmanton (3237) , Pittsfield (3263) ,