Air Quality in Shiraoi, Japan
Cloudy
19.0°C · 89.3% humidity
19.0°
Feels 19.0°
17
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Shiraoi's air quality — share it
AQI Forecast
25
6am
25
25
17
9am
48
50
51
12pm
52
52
53
3pm
53
53
54
6pm
54
54
34
9pm
54
54
34
12am
34
34
27
3am
27
27
Air Quality Index Trend
37h · 2 stnShiraoi's air quality is influenced by industrial emissions, vehicle traffic, and regional pollution transport. Winter heating season and spring dust events typically create the most challenging air quality conditions.
89.3%
Humidity
25.0 km/h
Wind SE
1008.2 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
4.1 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Shiraoi?
Temperature & Precipitation
PM2.5 Trend
37h · 2 stationsPM2.54.1 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX5.9
High
Station readings (1 station within 25 km)
4.1
Median
4.1
Average
4.1
Low
4.1
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +1.9
What is the 7-day forecast for Shiraoi?
07-22
20.2° 16.9°
0.13 mm
07-23
18.4° 15.3°
0.38 mm
07-24
19.2° 17.6°
0.62 mm
07-25
18.4° 16.5°
2.87 mm
07-26
19.9° 17.5°
0.06 mm
07-27
19.1° 17.2°
0.19 mm
07-28
21.4° 18.7°
6.06 mm
Both models agree
Avg diff: 1.9°C
Where are air quality stations near Shiraoi?
72
Nisshinchō, Tomakomai-shi, Hokkaidō, Japan (糸井苫小牧市)
46
Nisshinchō, Tomakomai-shi, Hokkaidō, Japan (糸井苫小牧市)
53
Nisshinchō, Tomakomai-shi, Hokkaidō, Japan (糸井苫小牧市)
What cities are near Shiraoi?
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-22T00:24 UTC.