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Ashiya (Hyōgo) (JP)

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

Clear sky
0°C
Clear sky
Humidity
71.5%
Wind
10 m/s
Pressure
1020.3 hPa
Direction
276°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
0° / 6°
Precip.
0mm
Max wind
10.1 m/s

Hourly Forecast

11.01
Now
Weather
10
11.01
18:00
Weather
9
11.01
19:00
Weather
9
11.01
20:00
Weather
9
11.01
21:00
Weather
9
11.01
22:00
Weather
8
11.01
23:00
Weather
7
12.01
00:00
Weather
7
12.01
01:00
Weather
7
12.01
02:00
Weather
6
12.01
03:00
Weather
6
12.01
04:00
Weather
6
12.01
05:00
Weather
6
12.01
06:00
Weather
6
12.01
07:00
Weather
6
12.01
08:00
Weather
6
12.01
09:00
Weather
6
12.01
10:00
Weather
7
12.01
11:00
Weather
8
12.01
12:00
Weather
8
12.01
13:00
Weather
7
12.01
14:00
Weather
6
12.01
15:00
Weather
6
12.01
16:00
Weather
7

Temperature

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

Precipitation

0mm
0mm
17:00 04:00 16:00

Wind

10.1m/s
0m/s
17:00
10.1 m/s
18:00
9.4 m/s
19:00
9.1 m/s
20:00
9.1 m/s
21:00
8.8 m/s
22:00
7.9 m/s
23:00
7.3 m/s
00:00
7.1 m/s
01:00
6.6 m/s
02:00
6.2 m/s
03:00
5.9 m/s
04:00
5.9 m/s
05:00
6.2 m/s
06:00
6.2 m/s
07:00
5.7 m/s
08:00
6.3 m/s
09:00
6.4 m/s
10:00
6.8 m/s
11:00
7.9 m/s
12:00
7.5 m/s
13:00
6.8 m/s
14:00
5.9 m/s
15:00
5.9 m/s
16:00
6.6 m/s
17:00 04:00 16:00

Radiation

0.132 uSv
51.5 km
16.5%

source: safecast

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
10.7 km
117
39%

Calculated from PM2.5/PM10

PM2.5
10.7 km
42 µg/m3
50%

source: Aqicn

O3
18.6 km
27.2 µg/m3
17%

source: Aqicn

PM10
10.7 km
11 µg/m3
7.9%

source: Aqicn

NO2
10.7 km
7.5 µg/m3
3.8%

source: Aqicn

SO2
18.6 km
4.3 µg/m3
1.2%

source: Aqicn

CO
51.6 km
0.0034 mg/m3
0%

source: Aqicn

Info


Country: Japan
Region: Hyōgo
Latitude: 34.72807
Longitude: 135.30264


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About Air Quality in Ashiya

Air quality in Ashiya 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 Ashiya

  • 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 Ashiya?

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 Ashiya

If you're planning outdoor activities in Ashiya, 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.