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Putnam (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

Intensywne opady śniegu
-1°C
Intensywne opady śniegu
Humidity
91%
Wind
6 m/s
Pressure
1013.2 hPa
Direction
52°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
-5° / -1°
Precip.
35.4mm
Max wind
12.3 m/s

Hourly Forecast

23.02
Now
Weather
-1°
1
6
23.02
02:00
Weather
-1°
1
7
23.02
03:00
Weather
-1°
0.8
7
23.02
04:00
Weather
-1°
1.4
7
23.02
05:00
Weather
-1°
1.8
8
23.02
06:00
Weather
-1°
1.4
9
23.02
07:00
Weather
-2°
1.5
9
23.02
08:00
Weather
-1°
2.8
9
23.02
09:00
Weather
-1°
1.7
9
23.02
10:00
Weather
-1°
4.1
10
23.02
11:00
Weather
-2°
3.1
11
23.02
12:00
Weather
-3°
2.7
12
23.02
13:00
Weather
-4°
2.1
12
23.02
14:00
Weather
-4°
1.5
12
23.02
15:00
Weather
-5°
1.8
11
23.02
16:00
Weather
-5°
1.5
12
23.02
17:00
Weather
-5°
1.1
12
23.02
18:00
Weather
-4°
1.3
11
23.02
19:00
Weather
-3°
1.1
8
23.02
20:00
Weather
-3°
0.7
9
23.02
21:00
Weather
-3°
0.4
9
23.02
22:00
Weather
-3°
0.2
8
23.02
23:00
Weather
-3°
0.2
8
24.02
00:00
Weather
-4°
0.2
7

Temperature

-1°C
-5°C
01:00
-1°C
02:00
-1°C
03:00
-1°C
04:00
-1°C
05:00
-1°C
06:00
-1°C
07:00
-2°C
08:00
-1°C
09:00
-1°C
10:00
-1°C
11:00
-2°C
12:00
-3°C
13:00
-4°C
14:00
-4°C
15:00
-5°C
16:00
-5°C
17:00
-5°C
18:00
-4°C
19:00
-3°C
20:00
-3°C
21:00
-3°C
22:00
-3°C
23:00
-3°C
00:00
-4°C
01:00 12:00 00:00

Precipitation

4.1mm
0mm
01:00
1mm
02:00
1mm
03:00
0.8mm
04:00
1.4mm
05:00
1.8mm
06:00
1.4mm
07:00
1.5mm
08:00
2.8mm
09:00
1.7mm
10:00
4.1mm
11:00
3.1mm
12:00
2.7mm
13:00
2.1mm
14:00
1.5mm
15:00
1.8mm
16:00
1.5mm
17:00
1.1mm
18:00
1.3mm
19:00
1.1mm
20:00
0.7mm
21:00
0.4mm
22:00
0.2mm
23:00
0.2mm
00:00
0.2mm
01:00 12:00 00:00

Wind

12.3m/s
0m/s
01:00
6.2 m/s
02:00
6.8 m/s
03:00
6.9 m/s
04:00
7.2 m/s
05:00
7.7 m/s
06:00
8.6 m/s
07:00
8.6 m/s
08:00
9 m/s
09:00
9 m/s
10:00
9.6 m/s
11:00
10.8 m/s
12:00
11.5 m/s
13:00
12 m/s
14:00
12.3 m/s
15:00
10.5 m/s
16:00
12.2 m/s
17:00
12 m/s
18:00
10.9 m/s
19:00
8.2 m/s
20:00
9.1 m/s
21:00
9.3 m/s
22:00
8.2 m/s
23:00
7.6 m/s
00:00
7.4 m/s
01:00 12:00 00:00

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
66.6 km
2
0.7%

Measurement time: 2026-02-22 23:28

Calculated from PM2.5/PM10

O3
66.6 km
87.2 µg/m3
54.5%

Measurement time: 2026-02-22 23:28

source: OpenWeatherMap

PM10
66.6 km
1.63 µg/m3
1.2%

Measurement time: 2026-02-22 23:28

source: OpenWeatherMap

CO
66.6 km
0.13542 mg/m3
1%

Measurement time: 2026-02-22 23:28

source: OpenWeatherMap

PM2.5
66.6 km
0.62 µg/m3
0.7%

Measurement time: 2026-02-22 23:28

source: OpenWeatherMap

NO2
66.6 km
0.49 µg/m3
0.2%

Measurement time: 2026-02-22 23:28

source: OpenWeatherMap

SO2
66.6 km
0.24 µg/m3
0.1%

Measurement time: 2026-02-22 23:28

source: OpenWeatherMap

Info


Latitude: 41.9151
Longitude: -71.90896

Cities in the area:


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About Air Quality in Putnam

Air quality in Putnam 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 Putnam

  • 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 Putnam?

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 Putnam

If you're planning outdoor activities in Putnam, 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.