Air Quality in Otaru, Japan

Drizzle
12.5°C · 90.2% humidity
12.5°
Feels 12.5°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
24 3am
24
24
25 6am
24
24
24 9am
25
25
25 12pm
25
24
24 3pm
25
24
24 6pm
24
24
24 9pm
24
25
25 12am
25
25
AD 728×90

Air Quality Index Trend

46h · 2 stn

Otaru'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.

90.2%
Humidity
49.5 km/h
Wind NW
1015.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
25
5.9 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Otaru?

Temperature & Precipitation

PM2.5 Trend

46h · 2 stations
PM2.55.9 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250

What is the 7-day forecast for Otaru?

06-08
18.4° 13.5°
0.13 mm
06-09
14.1° 12.5°
1.0 mm
06-10
15.9° 12.5°
12.56 mm
06-11
16.8° 14.6°
4.75 mm
06-12
21.0° 11.6°
1.19 mm
06-13
20.5° 14.0°
0.25 mm
06-14
19.2° 15.0°
Both models agree Avg diff: 1.6°C

Where are air quality stations near Otaru?

13
Katsunaichō, Otaru-shi, Hokkaidō, Japan (勝納小樽市)
1.8 km PM2.5: 3.1 µg/m³
21
Katsunaichō, Otaru-shi, Hokkaidō, Japan (勝納小樽市)
1.8 km PM2.5: 5.0 µg/m³
34
Katsunaichō, Otaru-shi, Hokkaidō, Japan (勝納小樽市)
1.8 km PM2.5: 8.2 µg/m³
18
Katsunaichō, Otaru-shi, Hokkaidō, Japan (勝納小樽市)
1.8 km PM2.5: 4.3 µg/m³

What cities are near Otaru?

25 Yoichi 14 Ishikari 31 Sapporo 16 Kutchan 15 Tōbetsu 13 Ebetsu 13 Kitahiroshima 10 Eniwa 19 Iwamizawa 5 Chitose
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-08T21:58 UTC.