Air Quality in Shiraoi, Japan
Drizzle
20.1°C · 88.6% humidity
20.1°
Feels 20.1°
48
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Shiraoi's air quality — share it
AQI Forecast
27
5pm
25
27
48
8pm
42
65
62
11pm
60
58
57
2am
56
55
55
5am
55
55
54
8am
54
54
54
11am
54
54
54
2pm
54
54
Air Quality Index Trend
39h · 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.
88.6%
Humidity
72.0 km/h
Wind SE
1014.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
11.5 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Shiraoi?
Temperature & Precipitation
PM2.5 Trend
39h · 2 stationsPM2.511.5 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (2 stations within 25 km)
11.5
Median
11.5
Average
11.0
Low
12.0
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -5.2
What is the 7-day forecast for Shiraoi?
09-05
21.3° 17.5°
30.63 mm
09-06
20.7° 19.0°
0.38 mm
09-07
21.3° 18.4°
0.06 mm
09-08
22.0° 15.8°
5.63 mm
09-09
21.8° 19.0°
2.69 mm
09-10
21.9° 18.6°
2.69 mm
09-11
20.7° 17.9°
13.88 mm
Both models agree
Avg diff: 1.5°C
Where are air quality stations near Shiraoi?
63
Nisshinchō, Tomakomai-shi, Hokkaidō, Japan (糸井苫小牧市)
63
Nisshinchō, Tomakomai-shi, Hokkaidō, Japan (糸井苫小牧市)
50
Nisshinchō, Tomakomai-shi, Hokkaidō, Japan (糸井苫小牧市)
55
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 2026-09-05T11:14 UTC.