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Franklin (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

مطر
9°C
مطر
Humidity
84.9%
Wind
5 m/s
Pressure
1008.1 hPa
Direction
193°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
1° / 10°
Precip.
28mm
Max wind
6.3 m/s

Hourly Forecast

22.03
Now
Weather
0.9
5
22.03
19:00
Weather
0.5
5
22.03
20:00
Weather
10°
0.8
22.03
21:00
Weather
1.8
22.03
22:00
Weather
22.03
23:00
Weather
23.03
00:00
Weather
23.03
01:00
Weather
23.03
02:00
Weather
23.03
03:00
Weather
1.1
23.03
04:00
Weather
0.8
23.03
05:00
Weather
1
23.03
06:00
Weather
1.8
23.03
07:00
Weather
2.7
23.03
08:00
Weather
2.2
23.03
09:00
Weather
2.2
5
23.03
10:00
Weather
3.3
5
23.03
11:00
Weather
3.8
23.03
12:00
Weather
3.3
23.03
13:00
Weather
1.2
6
23.03
14:00
Weather
0.5
6
23.03
15:00
Weather
0.1
6
23.03
16:00
Weather
6
23.03
17:00
Weather
6

Temperature

10°C
1°C
18:00
9°C
19:00
9°C
20:00
10°C
21:00
9°C
22:00
9°C
23:00
9°C
00:00
8°C
01:00
8°C
02:00
8°C
03:00
7°C
04:00
7°C
05:00
6°C
06:00
4°C
07:00
3°C
08:00
2°C
09:00
2°C
10:00
1°C
11:00
1°C
12:00
1°C
13:00
1°C
14:00
1°C
15:00
1°C
16:00
1°C
17:00
1°C
18:00 05:00 17:00

Precipitation

3.8mm
0mm
18:00
0.9mm
19:00
0.5mm
20:00
0.8mm
21:00
1.8mm
03:00
1.1mm
04:00
0.8mm
05:00
1mm
06:00
1.8mm
07:00
2.7mm
08:00
2.2mm
09:00
2.2mm
10:00
3.3mm
11:00
3.8mm
12:00
3.3mm
13:00
1.2mm
14:00
0.5mm
15:00
0.1mm
18:00 05:00 17:00

Wind

6.3m/s
0m/s
18:00
5.4 m/s
19:00
5.4 m/s
20:00
4.1 m/s
21:00
3.1 m/s
22:00
2.8 m/s
23:00
3.1 m/s
00:00
2.7 m/s
01:00
2 m/s
02:00
1.4 m/s
03:00
2.5 m/s
04:00
4.2 m/s
05:00
4.8 m/s
06:00
4.6 m/s
07:00
4.9 m/s
08:00
4.8 m/s
09:00
5.1 m/s
10:00
5.1 m/s
11:00
4.9 m/s
12:00
4.8 m/s
13:00
6.3 m/s
14:00
5.7 m/s
15:00
5.8 m/s
16:00
6 m/s
17:00
5.6 m/s
18:00 05:00 17:00

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
59.2 km
20
6.7%

Measurement time: 2026-03-22 18:13

Calculated from PM2.5/PM10

O3
59.2 km
110.44 µg/m3
69%

Measurement time: 2026-03-22 18:13

source: OpenWeatherMap

PM10
59.2 km
8.82 µg/m3
6.3%

Measurement time: 2026-03-22 18:13

source: OpenWeatherMap

PM2.5
59.2 km
4.84 µg/m3
5.8%

Measurement time: 2026-03-22 18:13

source: OpenWeatherMap

CO
59.2 km
0.16789 mg/m3
1.2%

Measurement time: 2026-03-22 18:13

source: OpenWeatherMap

NO2
59.2 km
0.49 µg/m3
0.2%

Measurement time: 2026-03-22 18:13

source: OpenWeatherMap

SO2
59.2 km
0.62 µg/m3
0.2%

Measurement time: 2026-03-22 18:13

source: OpenWeatherMap

About Air Quality in Franklin

Air quality in Franklin 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 Franklin

  • 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 Franklin?

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 Franklin

If you're planning outdoor activities in Franklin, 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.