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  2. United States
  3. New Hampshire
  4. Hillsborough County
  5. Greenfield

Greenfield

Hillsborough County, New Hampshire

2026-09-28 19:00
AQI (US)
Good
Pollutants
O3
μg/m³
53.3
PM2.5
μg/m³
0.7
CO
μg/m³
240.8
PM10
μg/m³
1.1
NO2
μg/m³
0.8
SO2
μg/m³
0.4
Weather
  • ℃
  • ℉
12℃
93%
7 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • O3
  • PM2.5
  • CO
  • PM10
  • NO2
  • SO2

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