Today | Weather | Monday, September 21, 2026

Weather in Dover, New Hampshire

01:54 PM
Now
Cloudy Weather
66° F
Feels Like 70°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 3
Humidity 48 %
Today
Cloudy Weather
Day 68°
Night 48°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 4

Dover Weather Forecast Updated

Last updated on

Air Quality in Dover

NOW
41 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.48 µg/m³
PM10 4.13 µg/m³
O3 0.044 ppm
NO2 1.3 ppb
SO2 0.4 ppb
CO 0.17 ppm
NH3 0.16 µg/m³
NO 0.63 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.53.48 µg/m³
PM104.13 µg/m³
O386.91 µg/m³
NO22.43 µg/m³
SO21.07 µg/m³
CO196.48 µg/m³
NH30.16 µg/m³
NO0.63 µg/m³