Is time to run? ⚠️☢️☣️

Okazaki (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

Pochmurno
15°C
Pochmurno
Humidity
71.1%
Wind
5 m/s
Pressure
1017.2 hPa
Direction
124°
Sunrise
04:00
Sunset
16:00
24h Forecast:
Temp.
14° / 19°
Precip.
73.4mm
Max wind
7.9 m/s

Hourly Forecast

09.04
Now
Weather
15°
09.04
10:00
Weather
15°
0.3
5
09.04
11:00
Weather
15°
0.8
6
09.04
12:00
Weather
14°
0.1
6
09.04
13:00
Weather
14°
0.6
6
09.04
14:00
Weather
14°
1.3
6
09.04
15:00
Weather
14°
2.9
7
09.04
16:00
Weather
14°
2.9
7
09.04
17:00
Weather
15°
3.4
7
09.04
18:00
Weather
15°
4.3
7
09.04
19:00
Weather
15°
3.6
6
09.04
20:00
Weather
15°
3.2
09.04
21:00
Weather
15°
4.1
09.04
22:00
Weather
15°
5.3
5
09.04
23:00
Weather
15°
4.8
6
10.04
00:00
Weather
16°
4
7
10.04
01:00
Weather
16°
3.8
7
10.04
02:00
Weather
16°
2.7
8
10.04
03:00
Weather
17°
3
8
10.04
04:00
Weather
18°
3.4
7
10.04
05:00
Weather
18°
2.9
6
10.04
06:00
Weather
19°
5.4
6
10.04
07:00
Weather
19°
3.1
6
10.04
08:00
Weather
19°
7.5
6

Temperature

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

Precipitation

7.5mm
0mm
10:00
0.3mm
11:00
0.8mm
12:00
0.1mm
13:00
0.6mm
14:00
1.3mm
15:00
2.9mm
16:00
2.9mm
17:00
3.4mm
18:00
4.3mm
19:00
3.6mm
20:00
3.2mm
21:00
4.1mm
22:00
5.3mm
23:00
4.8mm
00:00
4mm
01:00
3.8mm
02:00
2.7mm
03:00
3mm
04:00
3.4mm
05:00
2.9mm
06:00
5.4mm
07:00
3.1mm
08:00
7.5mm
09:00 20:00 08:00

Wind

7.9m/s
0m/s
09:00
4.7 m/s
10:00
5.2 m/s
11:00
5.8 m/s
12:00
6 m/s
13:00
5.9 m/s
14:00
6.1 m/s
15:00
6.7 m/s
16:00
6.5 m/s
17:00
7 m/s
18:00
6.6 m/s
19:00
5.7 m/s
20:00
4.9 m/s
21:00
4.8 m/s
22:00
5.2 m/s
23:00
5.6 m/s
00:00
6.9 m/s
01:00
7.2 m/s
02:00
7.5 m/s
03:00
7.9 m/s
04:00
7 m/s
05:00
6.2 m/s
06:00
6.4 m/s
07:00
6.4 m/s
08:00
5.6 m/s
09:00 20:00 08:00

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
35 km
153
51%

Measurement time: 2026-04-09 09:00

Calculated from PM2.5/PM10

PM2.5
35 km
61 µg/m3
72.6%

Measurement time: 2026-04-09 09:00

source: Aqicn

O3
35 km
49.6 µg/m3
31%

Measurement time: 2026-04-09 09:00

source: Aqicn

PM10
35 km
15 µg/m3
10.7%

Measurement time: 2026-04-09 09:00

source: Aqicn

NO2
35 km
15.8 µg/m3
7.9%

Measurement time: 2026-04-09 09:00

source: Aqicn

SO2
35 km
1.5 µg/m3
0.4%

Measurement time: 2026-04-09 09:00

source: Aqicn

CO
35 km
0.0023 mg/m3
0%

Measurement time: 2026-04-09 09:00

source: Aqicn

Info


Country: Japan
Region: Aichi
Latitude: 34.95
Longitude: 137.16667

Cities in the area:


Solar Energy

Night
0 W/m²
Solar Radiation
Solar Calculator
Calculate energy production for Okazaki

About Air Quality in Okazaki

Air quality in Okazaki 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 Okazaki

  • 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 Okazaki?

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 Okazaki

If you're planning outdoor activities in Okazaki, 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.