Today | Weather | Monday, June 29, 2026

Weather in Dover, New Hampshire

09:09 PM
Now
Cloudy Night
68° F
Feels Like 66°
Precipitation 0 %
Wind 4 mph
Humidity 74 %
Today
Cloudy Weather
Day 84°
Night 57°
Precipitation 0 %
Wind 4 mph
UV Index (0 - 11+) 10

Warning: High UV Index Today: 10

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

Air Quality in Dover

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

Pollutant Concentrations:

PM2.5 9.41 µg/m³
PM10 10.35 µg/m³
O3 0.041 ppm
NO2 6.1 ppb
SO2 0.5 ppb
CO 0.15 ppm
NH3 0.54 µg/m³
NO 0 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)
PM2.59.41 µg/m³
PM1010.35 µg/m³
O380.45 µg/m³
NO211.48 µg/m³
SO21.37 µg/m³
CO170.68 µg/m³
NH30.54 µg/m³
NO0 µg/m³