Today | Weather | Wednesday, August 12, 2026

Weather in Dover, New Hampshire

07:48 AM
Now
Cloudy Weather
70° F
Feels Like 72°
Precipitation 0 %
Wind 4 mph
UV Index (0 - 11+) 2
Humidity 68 %
Today
Cloudy Weather
Day 84°
Night 63°
Precipitation 5 %
Wind 4 mph
UV Index (0 - 11+) 8

Warning: High UV Index Today: 8

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Dover Weather Forecast Updated

57 minutes ago
Last updated on

Air Quality in Dover

NOW
9 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 2.11 µg/m³
PM10 3 µg/m³
O3 0.006 ppm
NO2 4.6 ppb
SO2 0.2 ppb
CO 0.14 ppm
NH3 0.37 µg/m³
NO 3.6 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)
PM2.52.11 µg/m³
PM103 µg/m³
O312.65 µg/m³
NO28.71 µg/m³
SO20.6 µg/m³
CO156.56 µg/m³
NH30.37 µg/m³
NO3.6 µg/m³