What is the air quality in Otaru today?

The current Air Quality Index (AQI) in Otaru is 17 (Good). PM2.5 concentration is 4.1 µg/m³.

What is the temperature in Otaru right now?

The current temperature in Otaru is 12.5°C (feels like 12.5°C). Humidity is 90.2% and wind speed is 49.5 km/h.

Is it safe to go outside in Otaru?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 4.4 (Moderate).

Air Quality in Otaru, Japan

Drizzle

12.5°C · 90.2% humidity

12.5°

Feels 12.5°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast

24 6am

17 9am

22 12pm

23 3pm

24 6pm

24 9pm

25 12am

25 3am

Air Quality Index Trend

42h · 2 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.

90.2%

Humidity

49.5 km/h

Wind NW

1015.3 hPa

Pressure

4.4

UV Moderate

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 Otaru?

Temperature & Precipitation

PM2.5 Trend

42h · 2 stations

PM2.54.1 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX4.4

Moderate

Station readings (2 stations within 25 km)

4.1

Median

4.1

Average

2.2

Low

6.0

High

PM2.5 µg/m³ · Model: 5.9 · Bias: +1.8

What is the 7-day forecast for Otaru?

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°

06-15

21.2° 14.5°

4.0 mm

Both models agree Avg diff: 1.6°C

Where are air quality stations near Otaru?

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

1.8 km PM2.5: 1.2 µg/m³

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: 8.2 µg/m³

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

1.8 km PM2.5: 6.0 µg/m³

What cities are near Otaru?

17 Yoichi 30 Ishikari 30 Sapporo 26 Kutchan 30 Tōbetsu 30 Ebetsu 30 Kitahiroshima 28 Eniwa 34 Iwamizawa 15 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 2026-06-09T00:26 UTC.