Today | Weather | Saturday, August 29, 2026

Weather in Manchester, New Hampshire

04:14 AM
Now
Cloudy Night
57° F
Feels Like 55°
Precipitation 0 %
Wind 7 mph
Humidity 75 %
Today
Cloudy Weather
Day 81°
Night 55°
Precipitation 2 %
Wind 7 mph
UV Index (0 - 11+) 6

Manchester Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (August 29, 2025)
Cloudy Night

Day

75°

Night

52°

Wind

5 mph

Precipitation

55 %

Air Quality in Manchester

NOW
15 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.13 µg/m³
PM10 1.29 µg/m³
O3 0.016 ppm
NO2 1.7 ppb
SO2 0.1 ppb
CO 0.12 ppm
NH3 0.1 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)
PM2.51.13 µg/m³
PM101.29 µg/m³
O330.87 µg/m³
NO23.13 µg/m³
SO20.3 µg/m³
CO136.25 µg/m³
NH30.1 µg/m³
NO0 µg/m³