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Wako (Saitama) (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

Cloudy
16°C
Cloudy
Humidity
64.3%
Wind
5 m/s
Pressure
1013.9 hPa
Direction
192°
Sunrise
04:00
Sunset
16:00
24h Forecast:
Temp.
15° / 20°
Precip.
23.6mm
Max wind
8.9 m/s

Hourly Forecast

09.04
Now
Weather
16°
09.04
15:00
Weather
16°
5
09.04
16:00
Weather
16°
5
09.04
17:00
Weather
15°
0.2
09.04
18:00
Weather
16°
1.5
6
09.04
19:00
Weather
15°
0.3
6
09.04
20:00
Weather
16°
0.2
7
09.04
21:00
Weather
16°
7
09.04
22:00
Weather
17°
7
09.04
23:00
Weather
18°
6
10.04
00:00
Weather
18°
0.1
9
10.04
01:00
Weather
19°
0.2
9
10.04
02:00
Weather
20°
2.2
7
10.04
03:00
Weather
19°
2.7
7
10.04
04:00
Weather
19°
0.4
7
10.04
05:00
Weather
20°
2.5
8
10.04
06:00
Weather
19°
2.5
6
10.04
07:00
Weather
19°
2.5
6
10.04
08:00
Weather
19°
1.5
10.04
09:00
Weather
18°
2.8
10.04
10:00
Weather
18°
3.4
10.04
11:00
Weather
17°
0.6
10.04
12:00
Weather
17°
10.04
13:00
Weather
16°

Temperature

20°C
15°C
14:00
16°C
15:00
16°C
16:00
16°C
17:00
15°C
18:00
16°C
19:00
15°C
20:00
16°C
21:00
16°C
22:00
17°C
23:00
18°C
00:00
18°C
01:00
19°C
02:00
20°C
03:00
19°C
04:00
19°C
05:00
20°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
17°C
13:00
16°C
14:00 01:00 13:00

Precipitation

3.4mm
0mm
17:00
0.2mm
18:00
1.5mm
19:00
0.3mm
20:00
0.2mm
00:00
0.1mm
01:00
0.2mm
02:00
2.2mm
03:00
2.7mm
04:00
0.4mm
05:00
2.5mm
06:00
2.5mm
07:00
2.5mm
08:00
1.5mm
09:00
2.8mm
10:00
3.4mm
11:00
0.6mm
14:00 01:00 13:00

Wind

8.9m/s
0m/s
14:00
5 m/s
15:00
5.1 m/s
16:00
5.1 m/s
17:00
4.9 m/s
18:00
5.8 m/s
19:00
6 m/s
20:00
6.7 m/s
21:00
7 m/s
22:00
6.8 m/s
23:00
5.6 m/s
00:00
8.9 m/s
01:00
8.7 m/s
02:00
7.4 m/s
03:00
7 m/s
04:00
6.8 m/s
05:00
8.2 m/s
06:00
6.2 m/s
07:00
5.8 m/s
08:00
4.8 m/s
09:00
3.8 m/s
10:00
2.9 m/s
11:00
3.1 m/s
12:00
1.7 m/s
13:00
1.2 m/s
14:00 01:00 13:00

Radiation

0.059 uSv
18.3 km
7.4%

Measurement time: 2026-04-09 13:00

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
31.5 km
107
35.7%

Measurement time: 2026-04-09 15:00

Calculated from PM2.5/PM10

PM2.5
31.5 km
38 µg/m3
45.2%

Measurement time: 2026-04-09 15:00

source: Aqicn

O3
38.5 km
45.6 µg/m3
28.5%

Measurement time: 2026-04-09 15:00

source: Aqicn

PM10
38.5 km
13 µg/m3
9.3%

Measurement time: 2026-04-09 15:00

source: Aqicn

NO2
11.2 km
6.5 µg/m3
3.3%

Measurement time: 2026-04-09 15:00

source: Aqicn

SO2
11.2 km
1.5 µg/m3
0.4%

Measurement time: 2026-04-09 15:00

source: Aqicn

CO
11.2 km
0.0023 mg/m3
0%

Measurement time: 2026-04-09 15:00

source: Aqicn

About Air Quality in Wako

Air quality in Wako 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 Wako

  • 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 Wako?

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 Wako

If you're planning outdoor activities in Wako, 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.