Today | Weather | Sunday, November 1, 2026

Weather in Concord, New Hampshire

11:34 PM
Today
Sunny Weather
Day 61°
Night 34°
Precipitation 0 %
Wind 4 mph
UV Index (0 - 11+) 3
Overnight Frost 1 AM – 1 AM

Concord Weather Forecast Updated

Air Quality in Concord

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

Pollutant Concentrations:

PM2.5 7.28 µg/m³
PM10 9.68 µg/m³
O3 0.025 ppm
NO2 8.5 ppb
SO2 0.3 ppb
CO 0.22 ppm
NH3 0.26 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)
PM2.5 – 7.28 µg/m³
PM10 – 9.68 µg/m³
O3 – 48.38 µg/m³
NO2 – 16.05 µg/m³
SO2 – 0.89 µg/m³
CO – 254.86 µg/m³
NH3 – 0.26 µg/m³
NO – 0 µg/m³