Today | Weather | Wednesday, May 20, 2026

Weather in Dover, New Hampshire

05:51 PM
Now
Cloudy Weather
81° F
Feels Like 81°
Precipitation 19 %
Wind 9 mph
UV Index (0 - 11+) 2
Humidity 48 %
Today
Sunny with a Chance of Thunderstorms
Day 90°
Night 55°
Precipitation 55 %
Wind 9 mph
UV Index (0 - 11+) 7

Dover Weather Forecast Updated

Last updated on

Air Quality in Dover

NOW
34 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.32 µg/m³
PM10 2.52 µg/m³
O3 0.037 ppm
NO2 2.7 ppb
SO2 0.2 ppb
CO 0.13 ppm
NH3 0.28 µg/m³
NO 0.32 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)
PM2.52.32 µg/m³
PM102.52 µg/m³
O372.81 µg/m³
NO25.09 µg/m³
SO20.45 µg/m³
CO147.68 µg/m³
NH30.28 µg/m³
NO0.32 µg/m³