Today | Weather | Monday, October 12, 2026

Weather in Nashua, New Hampshire

09:14 PM
Now
Cloudy Weather
57° F
Feels Like 57°
Precipitation 5 %
Wind 5 mph
Humidity 89 %
Today
Cloudy Weather
Day 72°
Night 50°
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 4

Nashua Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (October 12, 2025)
Rainy Weather

Day

57°

Night

48°

Wind

15 mph

Precipitation

99 %

Air Quality in Nashua

NOW
32 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.09 µg/m³
PM10 3.79 µg/m³
O3 0.035 ppm
NO2 4 ppb
SO2 0.2 ppb
CO 0.14 ppm
NH3 0.22 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 – 3.09 µg/m³
PM10 – 3.79 µg/m³
O3 – 68.35 µg/m³
NO2 – 7.51 µg/m³
SO2 – 0.55 µg/m³
CO – 159.24 µg/m³
NH3 – 0.22 µg/m³
NO – 0 µg/m³