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Kaminoyama (Yamagata) (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

Heavy rain
17°C
Heavy rain
Humidity
93.2%
Wind
2 m/s
Pressure
997.5 hPa
Direction
195°
Sunrise
04:00
Sunset
16:00
24h Forecast:
Temp.
13° / 17°
Precip.
2.9mm
Max wind
9.9 m/s

Hourly Forecast

10.04
Now
Weather
17°
1.9
10.04
09:00
Weather
16°
0.2
10.04
10:00
Weather
17°
0.2
10.04
11:00
Weather
17°
0.2
10.04
12:00
Weather
17°
5
10.04
13:00
Weather
17°
6
10.04
14:00
Weather
16°
7
10.04
15:00
Weather
16°
7
10.04
16:00
Weather
15°
7
10.04
17:00
Weather
15°
7
10.04
18:00
Weather
14°
7
10.04
19:00
Weather
13°
7
10.04
20:00
Weather
13°
7
10.04
21:00
Weather
13°
7
10.04
22:00
Weather
13°
6
10.04
23:00
Weather
13°
7
11.04
00:00
Weather
13°
0.2
7
11.04
01:00
Weather
15°
0.2
8
11.04
02:00
Weather
16°
9
11.04
03:00
Weather
17°
10
11.04
04:00
Weather
17°
10
11.04
05:00
Weather
17°
10
11.04
06:00
Weather
16°
10
11.04
07:00
Weather
15°
10

Temperature

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

Precipitation

1.9mm
0mm
08:00
1.9mm
09:00
0.2mm
10:00
0.2mm
11:00
0.2mm
00:00
0.2mm
01:00
0.2mm
08:00 19:00 07:00

Wind

9.9m/s
0m/s
08:00
2.3 m/s
09:00
3.1 m/s
10:00
4.7 m/s
11:00
4.8 m/s
12:00
5.3 m/s
13:00
6 m/s
14:00
6.5 m/s
15:00
7 m/s
16:00
6.5 m/s
17:00
6.7 m/s
18:00
7.1 m/s
19:00
6.9 m/s
20:00
6.9 m/s
21:00
6.5 m/s
22:00
6 m/s
23:00
7.1 m/s
00:00
7.3 m/s
01:00
7.5 m/s
02:00
8.7 m/s
03:00
9.5 m/s
04:00
9.9 m/s
05:00
9.7 m/s
06:00
9.7 m/s
07:00
9.9 m/s
08:00 19:00 07:00

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
62.6 km
152
50.7%

Measurement time: 2026-04-10 09:00

Calculated from PM2.5/PM10

PM2.5
62.6 km
59 µg/m3
70.2%

Measurement time: 2026-04-10 09:00

source: Aqicn

O3
77.2 km
95.07 µg/m3
59.4%

Measurement time: 2026-04-10 10:16

source: OpenWeatherMap

NO2
62.6 km
28.8 µg/m3
14.4%

Measurement time: 2026-04-10 09:00

source: Aqicn

PM10
62.6 km
20 µg/m3
14.3%

Measurement time: 2026-04-10 09:00

source: Aqicn

CO
77.2 km
0.18828 mg/m3
1.3%

Measurement time: 2026-04-10 10:16

source: OpenWeatherMap

SO2
77.2 km
2.44 µg/m3
0.7%

Measurement time: 2026-04-10 10:16

source: OpenWeatherMap

Info


Country: Japan
Region: Yamagata
Latitude: 38.15389
Longitude: 140.27361

Cities in the area:


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About Air Quality in Kaminoyama

Air quality in Kaminoyama 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 Kaminoyama

  • 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 Kaminoyama?

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 Kaminoyama

If you're planning outdoor activities in Kaminoyama, 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.