Air Quality in Otaru, Japan
Cloudy
14.9°C · 80.5% humidity
14.9°
Feels 14.9°
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Otaru's air quality — share it
AQI Forecast
27
12am
27
27
21
3am
23
24
25
6am
32
26
26
9am
26
25
25
12pm
25
25
25
3pm
25
27
27
6pm
34
54
54
9pm
54
54
Air Quality Index Trend
43h · 4 stnOtaru'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.
80.5%
Humidity
20.0 km/h
Wind SSW
1018.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.0 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Otaru?
Temperature & Precipitation
PM2.5 Trend
43h · 4 stationsPM2.55.0 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
5.0
Median
5.0
Average
5.0
Low
5.0
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +1.2
What is the 7-day forecast for Otaru?
09-22
22.3° 14.9°
0.5 mm
09-23
19.1° 15.1°
5.56 mm
09-24
20.5° 13.0°
6.19 mm
09-25
19.6° 13.1°
2.69 mm
09-26
18.9° 15.6°
0.56 mm
09-27
18.7° 15.0°
0.31 mm
09-28
19.1° 13.0°
0.62 mm
Both models agree
Avg diff: 1.9°C
Where are air quality stations near Otaru?
13
Katsunaichō, Otaru-shi, Hokkaidō, Japan (勝納小樽市)
21
Katsunaichō, Otaru-shi, Hokkaidō, Japan (勝納小樽市)
21
Katsunaichō, Otaru-shi, Hokkaidō, Japan (勝納小樽市)
9
Hassamu 2 Jo, Hokkaido Prefecture, Japan (発寒札幌市西区)
What cities are near Otaru?
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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 2026-09-22T18:04 UTC.