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Iwatsuki (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

Deszcz
15°C
Deszcz
Humidity
76.4%
Wind
6 m/s
Pressure
1012.5 hPa
Direction
187°
Sunrise
04:00
Sunset
16:00
24h Forecast:
Temp.
14° / 19°
Precip.
13.8mm
Max wind
9 m/s

Hourly Forecast

09.04
Now
Weather
15°
0.8
6
09.04
17:00
Weather
14°
0.5
5
09.04
18:00
Weather
15°
0.9
09.04
19:00
Weather
15°
0.3
6
09.04
20:00
Weather
15°
0.1
6
09.04
21:00
Weather
16°
7
09.04
22:00
Weather
16°
6
09.04
23:00
Weather
17°
5
10.04
00:00
Weather
18°
0.1
7
10.04
01:00
Weather
19°
0.2
9
10.04
02:00
Weather
19°
7
10.04
03:00
Weather
19°
0.6
6
10.04
04:00
Weather
19°
2
7
10.04
05:00
Weather
19°
0.7
7
10.04
06:00
Weather
19°
1.8
7
10.04
07:00
Weather
18°
2
6
10.04
08:00
Weather
19°
1.1
10.04
09:00
Weather
18°
1.7
10.04
10:00
Weather
17°
1
10.04
11:00
Weather
16°
10.04
12:00
Weather
16°
10.04
13:00
Weather
15°
10.04
14:00
Weather
15°
10.04
15:00
Weather
14°

Temperature

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

Precipitation

2mm
0mm
16:00
0.8mm
17:00
0.5mm
18:00
0.9mm
19:00
0.3mm
20:00
0.1mm
00:00
0.1mm
01:00
0.2mm
03:00
0.6mm
04:00
2mm
05:00
0.7mm
06:00
1.8mm
07:00
2mm
08:00
1.1mm
09:00
1.7mm
10:00
1mm
16:00 03:00 15:00

Wind

9m/s
0m/s
16:00
5.6 m/s
17:00
5.3 m/s
18:00
4.5 m/s
19:00
5.5 m/s
20:00
6.2 m/s
21:00
6.5 m/s
22:00
6.4 m/s
23:00
5.4 m/s
00:00
6.8 m/s
01:00
9 m/s
02:00
6.5 m/s
03:00
6.3 m/s
04:00
7.3 m/s
05:00
7.2 m/s
06:00
7 m/s
07:00
5.9 m/s
08:00
3.8 m/s
09:00
3 m/s
10:00
2.7 m/s
11:00
2.8 m/s
12:00
1.5 m/s
13:00
1.6 m/s
14:00
1.4 m/s
15:00
1.1 m/s
16:00 03:00 15:00

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
6.7 km
78
26%

Measurement time: 2026-04-09 17:00

Calculated from PM2.5/PM10

PM2.5
6.7 km
25 µg/m3
29.8%

Measurement time: 2026-04-09 17:00

source: Aqicn

O3
6.7 km
38.4 µg/m3
24%

Measurement time: 2026-04-09 17:00

source: Aqicn

PM10
6.7 km
11 µg/m3
7.9%

Measurement time: 2026-04-09 17:00

source: Aqicn

NO2
6.7 km
1.9 µg/m3
1%

Measurement time: 2026-04-09 17:00

source: Aqicn

SO2
6.7 km
1.5 µg/m3
0.4%

Measurement time: 2026-04-09 17:00

source: Aqicn

About Air Quality in Iwatsuki

Air quality in Iwatsuki 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 Iwatsuki

  • 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 Iwatsuki?

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 Iwatsuki

If you're planning outdoor activities in Iwatsuki, 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.