Today | Weather | Tuesday, October 14, 2025

Weather in Manchester, New Hampshire

01:15 AM
Now
Rainy Weather
50° F
Feels Like 45°
Precipitation 76 %
Wind 7 mph
Humidity 86 %
Today
Rainy Weather
Day 59°
Night 48°
Precipitation 68 %
Wind 6 mph
UV Index (0 - 11+) 10

Warning: High UV Index Today: 10

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Manchester Weather Forecast Updated

Last updated on

Air Quality in Manchester

NOW
31 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.21 µg/m³
PM10 1.39 µg/m³
O3 0.033 ppm
NO2 1.8 ppb
SO2 0.2 ppb
CO 0.10 ppm
NH3 0.03 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)
PM2.51.21 µg/m³
PM101.39 µg/m³
O365.32 µg/m³
NO23.32 µg/m³
SO20.46 µg/m³
CO110.58 µg/m³
NH30.03 µg/m³
NO0 µg/m³