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Iwanai (Hokkaido) (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
5°C
Cloudy
Humidity
72.4%
Wind
2 m/s
Pressure
1019.4 hPa
Direction
108°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
3° / 6°
Precip.
4.8mm
Max wind
9.3 m/s

Hourly Forecast

27.02
Now
Weather
27.02
07:00
Weather
27.02
08:00
Weather
27.02
09:00
Weather
27.02
10:00
Weather
0.1
27.02
11:00
Weather
0.3
27.02
12:00
Weather
0.5
27.02
13:00
Weather
0.4
27.02
14:00
Weather
0.4
27.02
15:00
Weather
0.5
27.02
16:00
Weather
0.4
27.02
17:00
Weather
0.2
27.02
18:00
Weather
0.3
27.02
19:00
Weather
0.2
27.02
20:00
Weather
0.4
27.02
21:00
Weather
0.7
27.02
22:00
Weather
0.3
27.02
23:00
Weather
28.02
00:00
Weather
28.02
01:00
Weather
28.02
02:00
Weather
0.1
7
28.02
03:00
Weather
9
28.02
04:00
Weather
8
28.02
05:00
Weather
9

Temperature

6°C
3°C
06:00
5°C
07:00
5°C
08:00
5°C
09:00
5°C
10:00
5°C
11:00
4°C
12:00
4°C
13:00
4°C
14:00
3°C
15:00
3°C
16:00
3°C
17:00
3°C
18:00
3°C
19:00
3°C
20:00
3°C
21:00
3°C
22:00
3°C
23:00
4°C
00:00
4°C
01:00
5°C
02:00
6°C
03:00
5°C
04:00
4°C
05:00
4°C
06:00 17:00 05:00

Precipitation

0.7mm
0mm
10:00
0.1mm
11:00
0.3mm
12:00
0.5mm
13:00
0.4mm
14:00
0.4mm
15:00
0.5mm
16:00
0.4mm
17:00
0.2mm
18:00
0.3mm
19:00
0.2mm
20:00
0.4mm
21:00
0.7mm
22:00
0.3mm
02:00
0.1mm
06:00 17:00 05:00

Wind

9.3m/s
0m/s
06:00
2.2 m/s
07:00
2.4 m/s
08:00
2.2 m/s
09:00
2.4 m/s
10:00
2.5 m/s
11:00
2.2 m/s
12:00
2.1 m/s
13:00
2.1 m/s
14:00
2.3 m/s
15:00
2.7 m/s
16:00
3.7 m/s
17:00
3.7 m/s
18:00
3.7 m/s
19:00
3.3 m/s
20:00
2.9 m/s
21:00
1.4 m/s
22:00
1.3 m/s
23:00
1.2 m/s
00:00
2.6 m/s
01:00
3.8 m/s
02:00
6.7 m/s
03:00
9 m/s
04:00
7.7 m/s
05:00
9.3 m/s
06:00 17:00 05:00

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
69.4 km
97
32.3%

Measurement time: 2026-02-27 06:00

Calculated from PM2.5/PM10

PM2.5
69.4 km
34 µg/m3
40.5%

Measurement time: 2026-02-27 06:00

source: Aqicn

O3
69.4 km
22.4 µg/m3
14%

Measurement time: 2026-02-27 06:00

source: Aqicn

NO2
69.4 km
19.5 µg/m3
9.8%

Measurement time: 2026-02-27 06:00

source: Aqicn

PM10
69.4 km
11 µg/m3
7.9%

Measurement time: 2026-02-27 06:00

source: Aqicn

CO
69.4 km
0.0023 mg/m3
0%

Measurement time: 2026-02-27 06:00

source: Aqicn

Info


Country: Japan
Region: Hokkaido
Latitude: 42.97444
Longitude: 140.50889


Solar Energy

Very low
57.7 W/m²
Solar Radiation
Solar Calculator
Calculate energy production for Iwanai

About Air Quality in Iwanai

Air quality in Iwanai 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 Iwanai

  • 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 Iwanai?

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 Iwanai

If you're planning outdoor activities in Iwanai, 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.