What is the air quality in Otaru today?

The current Air Quality Index (AQI) in Otaru is 30 (Good). PM2.5 concentration is 7.2 µg/m³.

What is the temperature in Otaru right now?

The current temperature in Otaru is 21.6°C (feels like 21.6°C). Humidity is 93.8% and wind speed is 14.5 km/h.

Is it safe to go outside in Otaru?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 2.2 (Moderate).

Air Quality in Otaru, Japan

Overcast

21.6°C · 93.8% humidity

21.6°

Feels 21.6°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

25 10am

30 1pm

27 4pm

26 7pm

27 10pm

25 1am

25 4am

25 7am

Air Quality Index Trend

44h · 6 stn

View full history →

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.

93.8%

Humidity

14.5 km/h

Wind SE

1008.8 hPa

Pressure

2.2

UV Moderate

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

7.2 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Otaru?

Temperature & Precipitation

PM2.5 Trend

44h · 6 stations

PM2.57.2 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX2.2

Moderate

Station readings (1 station within 25 km)

7.2

Median

7.2

Average

7.2

Low

7.2

High

PM2.5 µg/m³ · Model: 6.0 · Bias: -1.2

What is the 7-day forecast for Otaru?

08-03

25.0° 18.8°

0.44 mm

08-04

26.7° 21.7°

1.19 mm

08-05

23.5° 17.7°

1.31 mm

08-06

26.1° 20.9°

08-07

25.2° 19.7°

0.44 mm

08-08

25.1° 21.1°

0.06 mm

08-09

21.9° 20.1°

25.94 mm

Both models agree Avg diff: 2.4°C

Where are air quality stations near Otaru?

Katsunaichō, Otaru-shi, Hokkaidō, Japan (勝納小樽市)

1.8 km PM2.5: 6.0 µg/m³

Katsunaichō, Otaru-shi, Hokkaidō, Japan (勝納小樽市)

1.8 km PM2.5: 7.2 µg/m³

Katsunaichō, Otaru-shi, Hokkaidō, Japan (勝納小樽市)

1.8 km PM2.5: 6.0 µg/m³

Hassamu 2 Jo, Hokkaido Prefecture, Japan (発寒札幌市西区)

26.3 km PM2.5: 2.2 µg/m³

What cities are near Otaru?

30 Yoichi 17 Ishikari 17 Sapporo 28 Kutchan 17 Tōbetsu 17 Ebetsu 27 Kitahiroshima 27 Eniwa 35 Iwamizawa 31 Chitose

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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 2026-08-08T04:42 UTC.