Today | Weather | Tuesday, June 9, 2026

Weather in Nashua, New Hampshire

07:56 PM
Now
Cloudy Weather
79° F
Feels Like 77°
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 0
Humidity 53 %
Today
Cloudy Night
Day 84°
Night 63°
Precipitation 1 %
Wind 6 mph

Nashua Weather Forecast Updated

39 minutes ago
Last updated on

Air Quality in Nashua

NOW
56 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 5.62 µg/m³
PM10 7.25 µg/m³
O3 0.056 ppm
NO2 2.2 ppb
SO2 0.5 ppb
CO 0.11 ppm
NH3 0.27 µg/m³
NO 0.07 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 acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)
PM2.55.62 µg/m³
PM107.25 µg/m³
O3109.85 µg/m³
NO24.16 µg/m³
SO21.44 µg/m³
CO129.59 µg/m³
NH30.27 µg/m³
NO0.07 µg/m³