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Higashimurayama (Tokyo) (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
19°C
Heavy rain
Humidity
86.4%
Wind
7 m/s
Pressure
999.6 hPa
Direction
186°
Sunrise
04:00
Sunset
16:00
24h Forecast:
Temp.
13° / 24°
Precip.
10.6mm
Max wind
7.4 m/s

Hourly Forecast

10.04
Now
Weather
19°
1.4
7
10.04
07:00
Weather
19°
5.6
7
10.04
08:00
Weather
19°
1.6
6
10.04
09:00
Weather
18°
1.1
6
10.04
10:00
Weather
18°
0.4
10.04
11:00
Weather
17°
10.04
12:00
Weather
16°
10.04
13:00
Weather
15°
10.04
14:00
Weather
15°
10.04
15:00
Weather
14°
10.04
16:00
Weather
14°
10.04
17:00
Weather
14°
10.04
18:00
Weather
14°
10.04
19:00
Weather
14°
10.04
20:00
Weather
13°
10.04
21:00
Weather
13°
10.04
22:00
Weather
14°
10.04
23:00
Weather
15°
11.04
00:00
Weather
17°
11.04
01:00
Weather
19°
11.04
02:00
Weather
20°
11.04
03:00
Weather
22°
11.04
04:00
Weather
23°
11.04
05:00
Weather
24°
0.5

Temperature

24°C
13°C
06:00
19°C
07:00
19°C
08:00
19°C
09:00
18°C
10:00
18°C
11:00
17°C
12:00
16°C
13:00
15°C
14:00
15°C
15:00
14°C
16:00
14°C
17:00
14°C
18:00
14°C
19:00
14°C
20:00
13°C
21:00
13°C
22:00
14°C
23:00
15°C
00:00
17°C
01:00
19°C
02:00
20°C
03:00
22°C
04:00
23°C
05:00
24°C
06:00 17:00 05:00

Precipitation

5.6mm
0mm
06:00
1.4mm
07:00
5.6mm
08:00
1.6mm
09:00
1.1mm
10:00
0.4mm
05:00
0.5mm
06:00 17:00 05:00

Wind

7.4m/s
0m/s
06:00
7.4 m/s
07:00
7.1 m/s
08:00
6.3 m/s
09:00
5.7 m/s
10:00
4.5 m/s
11:00
4.3 m/s
12:00
2.8 m/s
13:00
1.6 m/s
14:00
1.1 m/s
15:00
1.4 m/s
16:00
1.6 m/s
17:00
0.8 m/s
18:00
1.6 m/s
19:00
2 m/s
20:00
1.2 m/s
21:00
2.1 m/s
22:00
2.3 m/s
23:00
2.2 m/s
00:00
2.2 m/s
01:00
1.4 m/s
02:00
1.7 m/s
03:00
2.1 m/s
04:00
2.4 m/s
05:00
2.7 m/s
06:00 17:00 05:00

Radiation

0.063 uSv
26.3 km
7.9%

Measurement time: 2026-04-10 04:00

source: remap_europe

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
34.5 km
107
35.7%

Measurement time: 2026-04-10 07:00

Calculated from PM2.5/PM10

PM2.5
34.5 km
38 µg/m3
45.2%

Measurement time: 2026-04-10 07:00

source: Aqicn

O3
20.2 km
42.4 µg/m3
26.5%

Measurement time: 2026-04-10 07:00

source: Aqicn

PM10
34.5 km
32 µg/m3
22.9%

Measurement time: 2026-04-10 07:00

source: Aqicn

NO2
34.5 km
10.2 µg/m3
5.1%

Measurement time: 2026-04-10 07:00

source: Aqicn

SO2
37.8 km
2.9 µg/m3
0.8%

Measurement time: 2026-04-10 07:00

source: Aqicn

CO
20.2 km
0.0023 mg/m3
0%

Measurement time: 2026-04-10 07:00

source: Aqicn

Info


Country: Japan
Region: Tokyo
Latitude: 35.75459
Longitude: 139.46852


Solar Energy

Very low
78.4 W/m²
Solar Radiation
Solar Calculator
Calculate energy production for Higashimurayama

About Air Quality in Higashimurayama

Air quality in Higashimurayama 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 Higashimurayama

  • 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 Higashimurayama?

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 Higashimurayama

If you're planning outdoor activities in Higashimurayama, 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.