Air Quality in Muroran, Japan
Overcast
19.2°C · 97.4% humidity
19.2°
Feels 19.2°
53
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station
Nearby Monitoring Stations
Muroran's air quality — share it
AQI Forecast
34
6am
34
34
53
9am
48
44
34
12pm
32
31
30
3pm
27
26
26
6pm
26
25
25
9pm
25
25
25
12am
25
25
25
3am
25
25
Air Quality Index Trend
37h · 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.
97.4%
Humidity
27.9 km/h
Wind E
1010.5 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
13.1 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Muroran?
Temperature & Precipitation
PM2.5 Trend
37h · 2 stationsPM2.513.1 µg/m³
✓ WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
Station readings (1 station within 25 km)
13.1
Median
13.1
Average
13.1
Low
13.1
High
PM2.5 µg/m³ · Model: 8.2 · Bias: -4.9
What is the 7-day forecast for Muroran?
08-03
20.5° 15.8°
0.38 mm
08-04
25.5° 18.0°
6.56 mm
08-05
24.9° 17.6°
0.44 mm
08-06
27.7° 17.5°
0.62 mm
08-07
26.7° 17.5°
1.81 mm
08-08
26.2° 18.9°
2.88 mm
08-09
20.0° 16.8°
12.0 mm
Both models agree
Avg diff: 2.3°C
Where are air quality stations near Muroran?
38
Muroran, Hokkaido Prefecture, Japan (御前水地区測定局室蘭市)
50
Muroran, Hokkaido Prefecture, Japan (御前水地区測定局室蘭市)
30
Muroran, Hokkaido Prefecture, Japan (御前水地区測定局室蘭市)
53
Muroran, Hokkaido Prefecture, Japan (御前水地区測定局室蘭市)
34
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 2026-08-08T00:55 UTC.