Portsmouth, New Hampshire AQI: Portsmouth, New Hampshire Real-time Air Quality Index (AQI). | ![]() |
28 | Good Updated on Tuesday 21:00 Primary pollutant: o3 |
Current | Past 48 hours data | Min | Max | |
PM2.5 AQI | 17 | 13 | 56 | |
PM10 AQI | 13 | 8 | 20 | |
O3 AQI | 28 | 15 | 31 | |
SO2 AQI | 4 | 3 | 7 | |
Temp. | -7 | -10 | -2 | |
Pressure | 1034 | 1011 | 1034 | |
Humidity | 44 | 33 | 87 | |
Wind | 0 | 0 | 5 |
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Air Quality Data provided by the New Hampshire Department of Environmental Services (des.nh.gov)