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Recommendations are indicative. Consult local advisories if you have health concerns.
Get the latest air quality in Merrimac (1860), including PM2.5, PM10, O₃, CO, NO₂, and SO₂ data. This dashboard shows the current AQI and 7-day weather forecast for Merrimac, MA. 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 Merrimac and surrounding areas.
Framingham (1701) , Haverhill (1832) , Boston (2114) , Groveland (1834) , Ayer (1432) , Dorchester center (2124) , Stoneham (2180) , Salisbury (1952) ,