What is the air quality in Muroran today?

The current Air Quality Index (AQI) in Muroran is 23 (Good). PM2.5 concentration is 5.46 µg/m³.

What is the temperature in Muroran right now?

The current temperature in Muroran is 10.1°C (feels like 10.1°C). Humidity is 91.7% and wind speed is 13.0 km/h.

Is it safe to go outside in Muroran?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Muroran, Japan

Overcast

10.1°C · 91.7% humidity

10.1°

Feels 10.1°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast

24 12am

23 3am

24 6am

25 9am

25 12pm

24 3pm

24 6pm

24 9pm

Air Quality Index Trend

45h · 2 stn

View full history →

Muroran'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.

91.7%

Humidity

13.0 km/h

Wind N

1014.8 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.46 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Muroran?

Temperature & Precipitation

PM2.5 Trend

45h · 2 stations

PM2.55.46 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (2 stations within 25 km)

5.46

Median

5.15

Average

3.1

Low

7.2

High

PM2.5 µg/m³ · Model: 5.9 · Bias: +0.4

What is the 7-day forecast for Muroran?

06-08

19.5° 10.1°

0.06 mm

06-09

16.3° 12.0°

0.19 mm

06-10

14.2° 11.1°

27.81 mm

06-11

15.1° 12.2°

0.75 mm

06-12

18.1° 10.9°

1.13 mm

06-13

19.6° 11.7°

0.25 mm

06-14

20.5° 11.5°

Both models agree Avg diff: 2.3°C

Where are air quality stations near Muroran?

Gozensuichō, Muroran-shi, Hokkaidō, Japan (御前水室蘭市)

1.0 km PM2.5: 7.0 µg/m³

Gozensuichō, Muroran-shi, Hokkaidō, Japan (御前水室蘭市)

1.0 km PM2.5: 11.0 µg/m³

Muroran, Hokkaido Prefecture, Japan (御前水地区測定局室蘭市)

1.2 km PM2.5: 4.1 µg/m³

Muroran, Hokkaido Prefecture, Japan (御前水地区測定局室蘭市)

1.2 km PM2.5: 9.6 µg/m³

Muroran, Hokkaido Prefecture, Japan (御前水地区測定局室蘭市)

1.2 km PM2.5: 5.5 µg/m³

Muroran, Hokkaido Prefecture, Japan (御前水地区測定局室蘭市)

1.2 km PM2.5: 7.2 µg/m³

What cities are near Muroran?

21 Date 22 Noboribetsu 25 Shiraoi 22 Honchō 21 Yakumo 24 Tomakomai 22 Kamiiso 23 Hokuto 21 Hakodate 18 Kutchan

Get AQI alerts for Muroran

Notify me when air quality reaches:

ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-08T18:08 UTC.