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Himimachi (Toyama) (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

Lluvia
12°C
Lluvia
Humidity
85.1%
Wind
2 m/s
Pressure
1013.4 hPa
Direction
33°
Sunrise
04:00
Sunset
16:00
24h Forecast:
Temp.
8° / 16°
Precip.
20.3mm
Max wind
8.4 m/s

Hourly Forecast

30.03
Now
Weather
12°
0.4
30.03
18:00
Weather
12°
0.9
30.03
19:00
Weather
12°
2.3
30.03
20:00
Weather
11°
1.3
5
30.03
21:00
Weather
11°
1.9
7
30.03
22:00
Weather
11°
2
8
30.03
23:00
Weather
11°
0.2
8
31.03
00:00
Weather
12°
8
31.03
01:00
Weather
12°
0.6
8
31.03
02:00
Weather
13°
1.5
7
31.03
03:00
Weather
14°
0.3
8
31.03
04:00
Weather
15°
0.5
6
31.03
05:00
Weather
16°
0.8
31.03
06:00
Weather
16°
3.3
31.03
07:00
Weather
15°
1.2
31.03
08:00
Weather
15°
0.6
7
31.03
09:00
Weather
13°
0.4
8
31.03
10:00
Weather
13°
0.7
8
31.03
11:00
Weather
12°
0.7
8
31.03
12:00
Weather
12°
0.7
6
31.03
13:00
Weather
11°
31.03
14:00
Weather
10°
31.03
15:00
Weather
10°
31.03
16:00
Weather

Temperature

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

Precipitation

3.3mm
0mm
17:00
0.4mm
18:00
0.9mm
19:00
2.3mm
20:00
1.3mm
21:00
1.9mm
22:00
2mm
23:00
0.2mm
01:00
0.6mm
02:00
1.5mm
03:00
0.3mm
04:00
0.5mm
05:00
0.8mm
06:00
3.3mm
07:00
1.2mm
08:00
0.6mm
09:00
0.4mm
10:00
0.7mm
11:00
0.7mm
12:00
0.7mm
17:00 04:00 16:00

Wind

8.4m/s
0m/s
17:00
2.4 m/s
18:00
3.3 m/s
19:00
4.2 m/s
20:00
5.4 m/s
21:00
6.5 m/s
22:00
7.5 m/s
23:00
7.8 m/s
00:00
8.4 m/s
01:00
8.2 m/s
02:00
7.4 m/s
03:00
8 m/s
04:00
5.6 m/s
05:00
4.9 m/s
06:00
3.5 m/s
07:00
4 m/s
08:00
6.8 m/s
09:00
8.4 m/s
10:00
8 m/s
11:00
7.7 m/s
12:00
6.3 m/s
13:00
4.9 m/s
14:00
4.2 m/s
15:00
3.3 m/s
16:00
3.4 m/s
17:00 04:00 16:00

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
19.1 km
160
53.3%

Measurement time: 2026-03-30 17:00

Calculated from PM2.5/PM10

PM2.5
19.1 km
74 µg/m3
88.1%

Measurement time: 2026-03-30 17:00

source: Aqicn

O3
17.5 km
90.08 µg/m3
56.3%

Measurement time: 2026-03-30 18:45

source: OpenWeatherMap

PM10
19.1 km
26 µg/m3
18.6%

Measurement time: 2026-03-30 17:00

source: Aqicn

NO2
17.5 km
8.51 µg/m3
4.3%

Measurement time: 2026-03-30 18:45

source: OpenWeatherMap

CO
17.5 km
0.14759 mg/m3
1.1%

Measurement time: 2026-03-30 18:45

source: OpenWeatherMap

SO2
17.5 km
2.1 µg/m3
0.6%

Measurement time: 2026-03-30 18:45

source: OpenWeatherMap

Info


Country: Japan
Region: Toyama
Latitude: 36.85609
Longitude: 136.9885

Cities in the area:


Solar Energy

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0 W/m²
Solar Radiation
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About Air Quality in Himimachi

Air quality in Himimachi 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 Himimachi

  • 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 Himimachi?

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 Himimachi

If you're planning outdoor activities in Himimachi, 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.