Today | Weather | Sunday, November 1, 2026

Weather in Nashua, New Hampshire

11:36 PM
Today
Cloudy Night
Day 59°
Night 39°
Precipitation 0 %
Wind 5 mph

Nashua Weather Forecast Updated

23 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (November 1, 2025)
Cloudy Night

Day

55°

Night

32°

Wind

7 mph

Precipitation

0 %

Air Quality in Nashua

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

Pollutant Concentrations:

PM2.5 11.32 µg/m³
PM10 17.12 µg/m³
O3 0.021 ppm
NO2 14.7 ppb
SO2 0.8 ppb
CO 0.26 ppm
NH3 0.4 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 – 11.32 µg/m³
PM10 – 17.12 µg/m³
O3 – 40.66 µg/m³
NO2 – 27.74 µg/m³
SO2 – 2.18 µg/m³
CO – 301.66 µg/m³
NH3 – 0.4 µg/m³
NO – 0 µg/m³