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Manchester (Connecticut) (US)

Air Quality Trend (last 7 days)

Good (0-50)
Moderate (51-100)
Unhealthy for Sensitive Groups (101-150)
Unhealthy (151-200)
Very Unhealthy (201-300)
Hazardous (300+)

Weather - 48h MET Norway

Heavy rain
10°C
Heavy rain
Humidity
93.4%
Wind
3 m/s
Pressure
1005.7 hPa
Direction
181°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
2° / 10°
Precip.
23.8mm
Max wind
5.7 m/s

Hourly Forecast

22.03
Now
Weather
10°
1.8
22.03
23:00
Weather
10°
23.03
00:00
Weather
10°
23.03
01:00
Weather
0.9
23.03
02:00
Weather
0.7
23.03
03:00
Weather
0.3
23.03
04:00
Weather
1
23.03
05:00
Weather
1.6
5
23.03
06:00
Weather
1.7
23.03
07:00
Weather
2.1
23.03
08:00
Weather
3.1
23.03
09:00
Weather
4.4
23.03
10:00
Weather
3.6
23.03
11:00
Weather
1.4
23.03
12:00
Weather
0.8
23.03
13:00
Weather
0.3
23.03
14:00
Weather
23.03
15:00
Weather
6
23.03
16:00
Weather
23.03
17:00
Weather
23.03
18:00
Weather
23.03
19:00
Weather
23.03
20:00
Weather
23.03
21:00
Weather
0.1

Temperature

10°C
2°C
22:00
10°C
23:00
10°C
00:00
10°C
01:00
9°C
02:00
9°C
03:00
8°C
04:00
8°C
05:00
8°C
06:00
7°C
07:00
6°C
08:00
5°C
09:00
4°C
10:00
3°C
11:00
2°C
12:00
2°C
13:00
2°C
14:00
2°C
15:00
3°C
16:00
3°C
17:00
5°C
18:00
6°C
19:00
6°C
20:00
6°C
21:00
5°C
22:00 09:00 21:00

Precipitation

4.4mm
0mm
22:00
1.8mm
01:00
0.9mm
02:00
0.7mm
03:00
0.3mm
04:00
1mm
05:00
1.6mm
06:00
1.7mm
07:00
2.1mm
08:00
3.1mm
09:00
4.4mm
10:00
3.6mm
11:00
1.4mm
12:00
0.8mm
13:00
0.3mm
21:00
0.1mm
22:00 09:00 21:00

Wind

5.7m/s
0m/s
22:00
2.9 m/s
23:00
3.8 m/s
00:00
3.2 m/s
01:00
2.8 m/s
02:00
1.4 m/s
03:00
2.2 m/s
04:00
2.8 m/s
05:00
5.4 m/s
06:00
5 m/s
07:00
4.6 m/s
08:00
4.5 m/s
09:00
4.9 m/s
10:00
4.8 m/s
11:00
4.1 m/s
12:00
4.5 m/s
13:00
4.3 m/s
14:00
4.9 m/s
15:00
5.7 m/s
16:00
5 m/s
17:00
4.7 m/s
18:00
4.5 m/s
19:00
4.2 m/s
20:00
4.2 m/s
21:00
4.4 m/s
22:00 09:00 21:00

Radiation

No sensor within 100 km.

We display the worst measurements from all stations in the area. This approach provides a more cautious assessment of air quality, accounting for local pollution sources.

AQI
12.2 km
134
44.7%

Measurement time: 2026-03-22 22:00

Calculated from PM2.5/PM10

O3
26.9 km
94.8 µg/m3
59.3%

Measurement time: 2026-03-22 22:59

source: OpenWeatherMap

PM2.5
12.2 km
49 µg/m3
58.3%

Measurement time: 2026-03-22 22:00

source: Aqicn

PM10
26.9 km
24.65 µg/m3
17.6%

Measurement time: 2026-03-22 22:59

source: OpenWeatherMap

NO2
26.9 km
22.43 µg/m3
11.2%

Measurement time: 2026-03-22 22:59

source: OpenWeatherMap

CO
26.9 km
0.2703 mg/m3
1.9%

Measurement time: 2026-03-22 22:59

source: OpenWeatherMap

SO2
26.9 km
2.33 µg/m3
0.7%

Measurement time: 2026-03-22 22:59

source: OpenWeatherMap

Info


Latitude: 41.77593
Longitude: -72.52148


Solar Energy

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About Air Quality in Manchester

Air quality in Manchester is monitored in real-time by sensors and measurement stations. On this page you'll find current data on major air pollutants including particulate matter PM2.5 and PM10, nitrogen dioxide (NO2), ozone (O3), and radiation levels.

Common Pollutants in Manchester

  • PM2.5 - fine particulate matter up to 2.5 micrometers, particularly harmful to health
  • PM10 - particulate matter up to 10 micrometers from traffic and industry
  • NO2 - nitrogen dioxide mainly emitted by vehicles
  • O3 - tropospheric ozone formed in photochemical reactions

When is Air Quality Best in Manchester?

Generally, the best air quality occurs:

  • Early morning (5:00-7:00 AM) before rush hour traffic
  • After rainfall which cleanses the atmosphere
  • During strong winds that disperse pollutants
  • In summer months when heating systems are less used

Tips for Runners in Manchester

If you're planning outdoor activities in Manchester, always check the current AQI value. When AQI exceeds 100, consider moving your workout indoors or shortening the distance. People with respiratory issues, children, and seniors should be especially cautious during elevated pollution levels. Choose routes away from busy streets and industrial areas.