Air Quality in Muroran, Japan
Drizzle
17.9°C · 95.0% humidity
17.9°
Feels 17.9°
13
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Muroran's air quality — share it
AQI Forecast
25
6am
25
25
13
9am
18
28
50
12pm
51
52
52
3pm
53
53
53
6pm
54
54
54
9pm
54
54
54
12am
54
34
34
3am
27
27
Air Quality Index Trend
36h · 2 stnMuroran'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.
95.0%
Humidity
38.0 km/h
Wind E
1008.0 hPa
Pressure
7.9
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
3.1 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Muroran?
Temperature & Precipitation
PM2.5 Trend
36h · 2 stationsPM2.53.1 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX7.9
Very High
Station readings (1 station within 25 km)
3.1
Median
3.1
Average
3.1
Low
3.1
High
PM2.5 µg/m³ · Model: 7.1 · Bias: +4.0
What is the 7-day forecast for Muroran?
07-22
21.4° 15.0°
0.5 mm
07-23
21.5° 12.5°
0.13 mm
07-24
22.5° 17.7°
0.38 mm
07-25
18.4° 14.1°
7.94 mm
07-26
24.3° 15.7°
07-27
23.1° 15.2°
0.19 mm
07-28
21.9° 17.9°
4.31 mm
Both models agree
Avg diff: 2.7°C
Where are air quality stations near Muroran?
62
Gozensuichō, Muroran-shi, Hokkaidō, Japan (御前水室蘭市)
63
Gozensuichō, Muroran-shi, Hokkaidō, Japan (御前水室蘭市)
34
Muroran, Hokkaido Prefecture, Japan (御前水地区測定局室蘭市)
9
Muroran, Hokkaido Prefecture, Japan (御前水地区測定局室蘭市)
59
Muroran, Hokkaido Prefecture, Japan (御前水地区測定局室蘭市)
57
Muroran, Hokkaido Prefecture, Japan (御前水地区測定局室蘭市)
What cities are near Muroran?
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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 2026-07-22T00:21 UTC.