Today | Weather | Thursday, March 12, 2026

Weather in Nashua, New Hampshire

10:04 AM
Now
Rainy Weather
46° F
Feels Like 36°
Precipitation 63 %
Wind 15 mph
UV Index (0 - 11+) 0
Humidity 77 %
Today
Rainy Weather
Day 50°
Night 27°
Precipitation 90 %
Wind 14 mph
UV Index (0 - 11+) 1
Tomorrow Morning Frost 7 AM – 7 AM

Nashua Weather Forecast Updated

7 minutes ago
Last updated on

Air Quality in Nashua

NOW
24 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.8 µg/m³
PM10 4.32 µg/m³
O3 0.026 ppm
NO2 4.5 ppb
SO2 0.2 ppb
CO 0.16 ppm
NH3 0.13 µg/m³
NO 0.22 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)
PM2.53.8 µg/m³
PM104.32 µg/m³
O351.34 µg/m³
NO28.53 µg/m³
SO20.52 µg/m³
CO180.51 µg/m³
NH30.13 µg/m³
NO0.22 µg/m³