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Holden (Massachusetts) (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

Starker Regen
15°C
Starker Regen
Humidity
84.9%
Wind
7 m/s
Pressure
1007.1 hPa
Direction
242°
Sunrise
04:00
Sunset
16:00
24h Forecast:
Temp.
0° / 16°
Precip.
4.8mm
Max wind
7.6 m/s

Hourly Forecast

05.04
Now
Weather
15°
1.2
7
05.04
17:00
Weather
12°
0.3
6
05.04
18:00
Weather
16°
0.4
8
05.04
19:00
Weather
16°
1.6
6
05.04
20:00
Weather
14°
0.8
6
05.04
21:00
Weather
13°
0.5
6
05.04
22:00
Weather
10°
6
05.04
23:00
Weather
6
06.04
00:00
Weather
6
06.04
01:00
Weather
6
06.04
02:00
Weather
6
06.04
03:00
Weather
6
06.04
04:00
Weather
6
06.04
05:00
Weather
06.04
06:00
Weather
6
06.04
07:00
Weather
6
06.04
08:00
Weather
6
06.04
09:00
Weather
6
06.04
10:00
Weather
6
06.04
11:00
Weather
5
06.04
12:00
Weather
7
06.04
13:00
Weather
7
06.04
14:00
Weather
7
06.04
15:00
Weather
7

Temperature

16°C
0°C
16:00
15°C
17:00
12°C
18:00
16°C
19:00
16°C
20:00
14°C
21:00
13°C
22:00
10°C
23:00
8°C
00:00
8°C
01:00
7°C
02:00
6°C
03:00
5°C
04:00
4°C
05:00
4°C
06:00
4°C
07:00
2°C
08:00
1°C
09:00
0°C
10:00
0°C
11:00
0°C
12:00
1°C
13:00
3°C
14:00
3°C
15:00
4°C
16:00 03:00 15:00

Precipitation

1.6mm
0mm
16:00
1.2mm
17:00
0.3mm
18:00
0.4mm
19:00
1.6mm
20:00
0.8mm
21:00
0.5mm
16:00 03:00 15:00

Wind

7.6m/s
0m/s
16:00
6.8 m/s
17:00
5.5 m/s
18:00
7.6 m/s
19:00
5.6 m/s
20:00
5.5 m/s
21:00
6 m/s
22:00
5.7 m/s
23:00
5.5 m/s
00:00
6 m/s
01:00
6.1 m/s
02:00
5.8 m/s
03:00
5.9 m/s
04:00
5.5 m/s
05:00
4.9 m/s
06:00
5.9 m/s
07:00
5.7 m/s
08:00
5.6 m/s
09:00
5.7 m/s
10:00
5.5 m/s
11:00
5.4 m/s
12:00
6.9 m/s
13:00
7.4 m/s
14:00
7.1 m/s
15:00
6.8 m/s
16:00 03:00 15:00

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
93.9 km
69
23%

Measurement time: 2026-04-05 16:00

Calculated from PM2.5/PM10

O3
90.9 km
82.9 µg/m3
51.8%

Measurement time: 2026-04-05 17:38

source: OpenWeatherMap

PM2.5
93.9 km
21 µg/m3
25%

Measurement time: 2026-04-05 16:00

source: Aqicn

PM10
90.9 km
11.94 µg/m3
8.5%

Measurement time: 2026-04-05 17:38

source: OpenWeatherMap

NO2
78.8 km
4.78 µg/m3
2.4%

Measurement time: 2026-04-05 16:11

source: OpenWeatherMap

CO
78.8 km
0.14257 mg/m3
1%

Measurement time: 2026-04-05 16:11

source: OpenWeatherMap

SO2
78.8 km
1.42 µg/m3
0.4%

Measurement time: 2026-04-05 16:11

source: OpenWeatherMap

About Air Quality in Holden

Air quality in Holden 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 Holden

  • 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 Holden?

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 Holden

If you're planning outdoor activities in Holden, 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.