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Kisai (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

Clear sky
-3°C
Clear sky
Humidity
59.8%
Wind
2 m/s
Pressure
1012.8 hPa
Direction
220°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
-3° / 8°
Precip.
0mm
Max wind
4 m/s

Hourly Forecast

11.01
Now
Weather
-3°
11.01
21:00
Weather
-3°
11.01
22:00
Weather
-2°
11.01
23:00
Weather
12.01
00:00
Weather
12.01
01:00
Weather
12.01
02:00
Weather
12.01
03:00
Weather
12.01
04:00
Weather
12.01
05:00
Weather
12.01
06:00
Weather
12.01
07:00
Weather
12.01
08:00
Weather
12.01
09:00
Weather
12.01
10:00
Weather
12.01
11:00
Weather
12.01
12:00
Weather
-0°
12.01
13:00
Weather
-1°
12.01
14:00
Weather
-2°
12.01
15:00
Weather
-2°
12.01
16:00
Weather
-2°
12.01
17:00
Weather
-2°
12.01
18:00
Weather
-2°
12.01
19:00
Weather
-3°

Temperature

8°C
-3°C
20:00
-3°C
21:00
-3°C
22:00
-2°C
23:00
0°C
00:00
2°C
01:00
4°C
02:00
5°C
03:00
7°C
04:00
7°C
05:00
8°C
06:00
8°C
07:00
7°C
08:00
5°C
09:00
4°C
10:00
3°C
11:00
1°C
12:00
-0°C
13:00
-1°C
14:00
-2°C
15:00
-2°C
16:00
-2°C
17:00
-2°C
18:00
-2°C
19:00
-3°C
20:00 07:00 19:00

Precipitation

0mm
0mm
20:00 07:00 19:00

Wind

4m/s
0m/s
20:00
2 m/s
21:00
2 m/s
22:00
2.4 m/s
23:00
3.3 m/s
00:00
3.4 m/s
01:00
4 m/s
02:00
3.9 m/s
03:00
4 m/s
04:00
3.5 m/s
05:00
2.8 m/s
06:00
2.2 m/s
07:00
1.2 m/s
08:00
0.7 m/s
09:00
0.6 m/s
10:00
0.6 m/s
11:00
1.3 m/s
12:00
1.9 m/s
13:00
2.2 m/s
14:00
2 m/s
15:00
2 m/s
16:00
1.8 m/s
17:00
1.3 m/s
18:00
0.9 m/s
19:00
1.3 m/s
20:00 07:00 19:00

Radiation

15.2 uSv
54 km
1900%

source: safecast

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
22.9 km
52
17.3%

Calculated from PM2.5/PM10

O3
45.3 km
28.1 µg/m3
17.6%

source: Aqicn

PM2.5
22.9 km
13 µg/m3
15.5%

source: Aqicn

NO2
66 km
17.6 µg/m3
8.8%

source: Aqicn

PM10
22.9 km
7 µg/m3
5%

source: Aqicn

SO2
73.1 km
2.9 µg/m3
0.8%

source: Aqicn

CO
22.9 km
0.0023 mg/m3
0%

source: Aqicn

About Air Quality in Kisai

Air quality in Kisai 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 Kisai

  • 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 Kisai?

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 Kisai

If you're planning outdoor activities in Kisai, 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.