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Ashland (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

Cloudy
4°C
Cloudy
Humidity
75.5%
Wind
4 m/s
Pressure
1013.3 hPa
Direction
159°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
0° / 9°
Precip.
18.4mm
Max wind
7.7 m/s

Hourly Forecast

22.03
Now
Weather
22.03
14:00
Weather
5
22.03
15:00
Weather
6
22.03
16:00
Weather
0.5
8
22.03
17:00
Weather
1.6
7
22.03
18:00
Weather
1.8
5
22.03
19:00
Weather
2.8
5
22.03
20:00
Weather
2.1
22.03
21:00
Weather
0.2
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
0.4
23.03
03:00
Weather
0.8
23.03
04:00
Weather
0.9
23.03
05:00
Weather
1.4
23.03
06:00
Weather
1.2
23.03
07:00
Weather
1.6
23.03
08:00
Weather
1.4
23.03
09:00
Weather
0.9
23.03
10:00
Weather
0.5
5
23.03
11:00
Weather
0.3
23.03
12:00
Weather
5

Temperature

9°C
0°C
13:00
4°C
14:00
4°C
15:00
6°C
16:00
7°C
17:00
9°C
18:00
8°C
19:00
9°C
20:00
9°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
6°C
05:00
4°C
06:00
3°C
07:00
2°C
08:00
2°C
09:00
1°C
10:00
1°C
11:00
1°C
12:00
0°C
13:00 00:00 12:00

Precipitation

2.8mm
0mm
16:00
0.5mm
17:00
1.6mm
18:00
1.8mm
19:00
2.8mm
20:00
2.1mm
21:00
0.2mm
02:00
0.4mm
03:00
0.8mm
04:00
0.9mm
05:00
1.4mm
06:00
1.2mm
07:00
1.6mm
08:00
1.4mm
09:00
0.9mm
10:00
0.5mm
11:00
0.3mm
13:00 00:00 12:00

Wind

7.7m/s
0m/s
13:00
3.8 m/s
14:00
5.1 m/s
15:00
5.6 m/s
16:00
7.7 m/s
17:00
6.7 m/s
18:00
5.1 m/s
19:00
5.4 m/s
20:00
4.4 m/s
21:00
3.3 m/s
22:00
3 m/s
23:00
3 m/s
00:00
2.6 m/s
01:00
2.2 m/s
02:00
1.9 m/s
03:00
3.7 m/s
04:00
4.7 m/s
05:00
4.6 m/s
06:00
4.2 m/s
07:00
4.3 m/s
08:00
4.3 m/s
09:00
4.9 m/s
10:00
5.2 m/s
11:00
4.6 m/s
12:00
5.2 m/s
13:00 00:00 12:00

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
8.6 km
29
9.7%

Measurement time: 2026-03-22 11:01

Calculated from PM2.5/PM10

O3
8.6 km
93.73 µg/m3
58.6%

Measurement time: 2026-03-22 11:01

source: OpenWeatherMap

PM2.5
8.6 km
7.01 µg/m3
8.3%

Measurement time: 2026-03-22 11:01

source: OpenWeatherMap

PM10
8.6 km
8.46 µg/m3
6%

Measurement time: 2026-03-22 11:01

source: OpenWeatherMap

CO
8.6 km
0.20981 mg/m3
1.5%

Measurement time: 2026-03-22 11:01

source: OpenWeatherMap

NO2
8.6 km
2.83 µg/m3
1.4%

Measurement time: 2026-03-22 11:01

source: OpenWeatherMap

SO2
8.6 km
0.81 µg/m3
0.2%

Measurement time: 2026-03-22 11:01

source: OpenWeatherMap

About Air Quality in Ashland

Air quality in Ashland 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 Ashland

  • 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 Ashland?

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 Ashland

If you're planning outdoor activities in Ashland, 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.