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Tsuruoka (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

Chuva
8°C
Chuva
Humidity
96.5%
Wind
4 m/s
Pressure
1007.8 hPa
Direction
125°
Sunrise
04:00
Sunset
16:00
24h Forecast:
Temp.
8° / 17°
Precip.
16.5mm
Max wind
10.6 m/s

Hourly Forecast

09.04
Now
Weather
0.3
09.04
20:00
Weather
0.2
09.04
21:00
Weather
0.5
5
09.04
22:00
Weather
0.6
6
09.04
23:00
Weather
0.5
6
10.04
00:00
Weather
10°
0.6
6
10.04
01:00
Weather
11°
1.7
6
10.04
02:00
Weather
13°
2.6
5
10.04
03:00
Weather
13°
3
10.04
04:00
Weather
12°
0.8
10.04
05:00
Weather
13°
1.9
10.04
06:00
Weather
13°
1.3
10.04
07:00
Weather
14°
0.7
6
10.04
08:00
Weather
15°
0.6
7
10.04
09:00
Weather
16°
0.8
8
10.04
10:00
Weather
17°
0.2
10
10.04
11:00
Weather
17°
0.2
8
10.04
12:00
Weather
16°
9
10.04
13:00
Weather
16°
9
10.04
14:00
Weather
15°
10
10.04
15:00
Weather
14°
10
10.04
16:00
Weather
13°
11
10.04
17:00
Weather
13°
11
10.04
18:00
Weather
12°
11

Temperature

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

Precipitation

3mm
0mm
19:00
0.3mm
20:00
0.2mm
21:00
0.5mm
22:00
0.6mm
23:00
0.5mm
00:00
0.6mm
01:00
1.7mm
02:00
2.6mm
03:00
3mm
04:00
0.8mm
05:00
1.9mm
06:00
1.3mm
07:00
0.7mm
08:00
0.6mm
09:00
0.8mm
10:00
0.2mm
11:00
0.2mm
19:00 06:00 18:00

Wind

10.6m/s
0m/s
19:00
4.2 m/s
20:00
4.7 m/s
21:00
5.3 m/s
22:00
5.5 m/s
23:00
5.7 m/s
00:00
5.8 m/s
01:00
5.6 m/s
02:00
5.2 m/s
03:00
4.6 m/s
04:00
4.4 m/s
05:00
4 m/s
06:00
4.1 m/s
07:00
5.6 m/s
08:00
6.8 m/s
09:00
8.1 m/s
10:00
9.5 m/s
11:00
8.3 m/s
12:00
9 m/s
13:00
8.6 m/s
14:00
9.5 m/s
15:00
10.2 m/s
16:00
10.6 m/s
17:00
10.6 m/s
18:00
10.5 m/s
19:00 06:00 18:00

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 km
54
18%

Measurement time: 2026-04-09 18:32

Calculated from PM2.5/PM10

O3
93 km
74.53 µg/m3
46.6%

Measurement time: 2026-04-09 18:32

source: OpenWeatherMap

PM2.5
93 km
13.53 µg/m3
16.1%

Measurement time: 2026-04-09 18:32

source: OpenWeatherMap

PM10
93 km
15.47 µg/m3
11.1%

Measurement time: 2026-04-09 18:32

source: OpenWeatherMap

NO2
93 km
6.18 µg/m3
3.1%

Measurement time: 2026-04-09 18:32

source: OpenWeatherMap

CO
93 km
0.20424 mg/m3
1.5%

Measurement time: 2026-04-09 18:32

source: OpenWeatherMap

SO2
93 km
1.89 µg/m3
0.5%

Measurement time: 2026-04-09 18:32

source: OpenWeatherMap

Info


Country: Japan
Region: Yamagata
Latitude: 38.72167
Longitude: 139.82167


Solar Energy

Very low
99.5 W/m²
Solar Radiation
Solar Calculator
Calculate energy production for Tsuruoka

About Air Quality in Tsuruoka

Air quality in Tsuruoka 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 Tsuruoka

  • 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 Tsuruoka?

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 Tsuruoka

If you're planning outdoor activities in Tsuruoka, 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.