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Toyama (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

Leichter Regen
16°C
Leichter Regen
Humidity
64.2%
Wind
4 m/s
Pressure
1013.1 hPa
Direction
207°
Sunrise
04:00
Sunset
16:00
24h Forecast:
Temp.
11° / 16°
Precip.
36.4mm
Max wind
11.1 m/s

Hourly Forecast

30.03
Now
Weather
16°
0.1
30.03
18:00
Weather
15°
0.5
30.03
19:00
Weather
13°
1.2
30.03
20:00
Weather
12°
1.3
30.03
21:00
Weather
12°
2.3
30.03
22:00
Weather
11°
2
7
30.03
23:00
Weather
11°
0.3
7
31.03
00:00
Weather
13°
2.5
9
31.03
01:00
Weather
15°
6.6
10
31.03
02:00
Weather
15°
3.3
10
31.03
03:00
Weather
15°
0.5
8
31.03
04:00
Weather
15°
1.2
6
31.03
05:00
Weather
16°
3.4
6
31.03
06:00
Weather
15°
7.5
6
31.03
07:00
Weather
14°
1.2
31.03
08:00
Weather
13°
0.7
31.03
09:00
Weather
14°
1
9
31.03
10:00
Weather
15°
0.7
11
31.03
11:00
Weather
15°
9
31.03
12:00
Weather
14°
9
31.03
13:00
Weather
14°
0.1
8
31.03
14:00
Weather
12°
6
31.03
15:00
Weather
11°
31.03
16:00
Weather
11°

Temperature

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

Precipitation

7.5mm
0mm
17:00
0.1mm
18:00
0.5mm
19:00
1.2mm
20:00
1.3mm
21:00
2.3mm
22:00
2mm
23:00
0.3mm
00:00
2.5mm
01:00
6.6mm
02:00
3.3mm
03:00
0.5mm
04:00
1.2mm
05:00
3.4mm
06:00
7.5mm
07:00
1.2mm
08:00
0.7mm
09:00
1mm
10:00
0.7mm
13:00
0.1mm
17:00 04:00 16:00

Wind

11.1m/s
0m/s
17:00
4.2 m/s
18:00
3.2 m/s
19:00
4.2 m/s
20:00
4.1 m/s
21:00
4.8 m/s
22:00
6.8 m/s
23:00
7 m/s
00:00
9.2 m/s
01:00
9.5 m/s
02:00
10.2 m/s
03:00
8.4 m/s
04:00
6 m/s
05:00
6 m/s
06:00
5.7 m/s
07:00
4.6 m/s
08:00
3.5 m/s
09:00
8.9 m/s
10:00
11.1 m/s
11:00
8.9 m/s
12:00
8.5 m/s
13:00
8 m/s
14:00
5.9 m/s
15:00
2.4 m/s
16:00
2.7 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
44.4 km
160
53.3%

Measurement time: 2026-03-30 17:00

Calculated from PM2.5/PM10

PM2.5
44.4 km
74 µg/m3
88.1%

Measurement time: 2026-03-30 17:00

source: Aqicn

O3
43.3 km
90.08 µg/m3
56.3%

Measurement time: 2026-03-30 18:45

source: OpenWeatherMap

PM10
44.4 km
26 µg/m3
18.6%

Measurement time: 2026-03-30 17:00

source: Aqicn

NO2
43.3 km
8.51 µg/m3
4.3%

Measurement time: 2026-03-30 18:45

source: OpenWeatherMap

CO
43.3 km
0.14759 mg/m3
1.1%

Measurement time: 2026-03-30 18:45

source: OpenWeatherMap

SO2
43.3 km
2.1 µg/m3
0.6%

Measurement time: 2026-03-30 18:45

source: OpenWeatherMap

Info


Country: Japan
Region: Toyama
Latitude: 36.7
Longitude: 137.21667


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About Air Quality in Toyama

Air quality in Toyama 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 Toyama

  • 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 Toyama?

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 Toyama

If you're planning outdoor activities in Toyama, 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.