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Ōbu (Aichi) (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
14°C
Heavy rain
Humidity
94.6%
Wind
8 m/s
Pressure
1013.3 hPa
Direction
138°
Sunrise
04:00
Sunset
16:00
24h Forecast:
Temp.
14° / 20°
Precip.
45.3mm
Max wind
9.4 m/s

Hourly Forecast

09.04
Now
Weather
14°
1.2
8
09.04
15:00
Weather
15°
2
9
09.04
16:00
Weather
15°
1.9
9
09.04
17:00
Weather
16°
1.5
9
09.04
18:00
Weather
16°
1.2
9
09.04
19:00
Weather
15°
0.9
7
09.04
20:00
Weather
16°
0.7
6
09.04
21:00
Weather
15°
1.6
7
09.04
22:00
Weather
16°
2.5
7
09.04
23:00
Weather
16°
2.8
7
10.04
00:00
Weather
16°
3.4
7
10.04
01:00
Weather
17°
1.8
9
10.04
02:00
Weather
17°
2
8
10.04
03:00
Weather
18°
2
7
10.04
04:00
Weather
18°
2.2
7
10.04
05:00
Weather
19°
3.4
6
10.04
06:00
Weather
19°
3.3
6
10.04
07:00
Weather
20°
3.9
10.04
08:00
Weather
19°
6.5
10.04
09:00
Weather
18°
0.5
10.04
10:00
Weather
18°
10.04
11:00
Weather
17°
10.04
12:00
Weather
17°
10.04
13:00
Weather
17°

Temperature

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

Precipitation

6.5mm
0mm
14:00
1.2mm
15:00
2mm
16:00
1.9mm
17:00
1.5mm
18:00
1.2mm
19:00
0.9mm
20:00
0.7mm
21:00
1.6mm
22:00
2.5mm
23:00
2.8mm
00:00
3.4mm
01:00
1.8mm
02:00
2mm
03:00
2mm
04:00
2.2mm
05:00
3.4mm
06:00
3.3mm
07:00
3.9mm
08:00
6.5mm
09:00
0.5mm
14:00 01:00 13:00

Wind

9.4m/s
0m/s
14:00
7.7 m/s
15:00
9.2 m/s
16:00
9.4 m/s
17:00
9.4 m/s
18:00
8.5 m/s
19:00
6.9 m/s
20:00
6.4 m/s
21:00
6.5 m/s
22:00
6.6 m/s
23:00
7.1 m/s
00:00
7 m/s
01:00
8.5 m/s
02:00
8.2 m/s
03:00
7.1 m/s
04:00
6.9 m/s
05:00
6.2 m/s
06:00
5.7 m/s
07:00
3.8 m/s
08:00
3.2 m/s
09:00
3.2 m/s
10:00
1.8 m/s
11:00
4.2 m/s
12:00
3.8 m/s
13:00
3.9 m/s
14:00 01:00 13:00

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
18.6 km
149
49.7%

Measurement time: 2026-04-09 15:00

Calculated from PM2.5/PM10

PM2.5
18.6 km
55 µg/m3
65.5%

Measurement time: 2026-04-09 15:00

source: Aqicn

O3
18.6 km
37.6 µg/m3
23.5%

Measurement time: 2026-04-09 15:00

source: Aqicn

PM10
18.6 km
19 µg/m3
13.6%

Measurement time: 2026-04-09 15:00

source: Aqicn

NO2
18.6 km
18.6 µg/m3
9.3%

Measurement time: 2026-04-09 15:00

source: Aqicn

SO2
18.6 km
1.5 µg/m3
0.4%

Measurement time: 2026-04-09 15:00

source: Aqicn

CO
18.6 km
0.0023 mg/m3
0%

Measurement time: 2026-04-09 15:00

source: Aqicn

Info


Country: Japan
Region: Aichi
Latitude: 35.01756
Longitude: 136.94947

Cities in the area:


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0 W/m²
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About Air Quality in Ōbu

Air quality in Ōbu 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 Ōbu

  • 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 Ōbu?

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 Ōbu

If you're planning outdoor activities in Ōbu, 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.