Today | Weather | Sunday, December 14, 2025

Weather in Manchester, New Hampshire

07:57 AM
Now
Snowy Weather
28° F
Feels Like 28°
Precipitation 55 %
Wind 4 mph
UV Index (0 - 11+) 0
Humidity 77 %
Today
Snowy Weather
Day 32°
Night 12°
Precipitation 55 %
Wind 8 mph
UV Index (0 - 11+) 1

Manchester Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (December 14, 2024)
Night

Day

34°

Night

18°

Wind

2 mph

Precipitation

0 %

Air Quality in Manchester

NOW
22 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.96 µg/m³
PM10 2.28 µg/m³
O3 0.023 ppm
NO2 4.7 ppb
SO2 0.2 ppb
CO 0.18 ppm
NH3 0.23 µg/m³
NO 0.02 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)
PM2.51.96 µg/m³
PM102.28 µg/m³
O345.85 µg/m³
NO28.91 µg/m³
SO20.54 µg/m³
CO210.86 µg/m³
NH30.23 µg/m³
NO0.02 µg/m³