Today | Weather | Wednesday, May 20, 2026

Weather in Concord, New Hampshire

05:52 PM
Now
Cloudy Weather
82° F
Feels Like 81°
Precipitation 17 %
Wind 14 mph
UV Index (0 - 11+) 2
Humidity 42 %
Today
Sunny with a Chance of Thunderstorms
Day 90°
Night 52°
Precipitation 49 %
Wind 14 mph
UV Index (0 - 11+) 7

Concord Weather Forecast Updated

56 minutes ago
Last updated on

Air Quality in Concord

NOW
34 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.03 µg/m³
PM10 2.12 µg/m³
O3 0.037 ppm
NO2 1.6 ppb
SO2 0.1 ppb
CO 0.12 ppm
NH3 0.29 µg/m³
NO 0.17 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)
PM2.52.03 µg/m³
PM102.12 µg/m³
O372.68 µg/m³
NO23.02 µg/m³
SO20.28 µg/m³
CO137.1 µg/m³
NH30.29 µg/m³
NO0.17 µg/m³