Air Quality in Murayama, Japan
Heavy Rain
18.0°C · 99.3% humidity
18.0°
Feels 18.0°
65
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station
Nearby Monitoring Stations
Murayama's air quality — share it
AQI Forecast
25
5pm
25
25
65
8pm
54
46
40
11pm
36
32
30
2am
29
28
27
5am
26
26
26
8am
26
27
34
11am
34
34
34
2pm
54
54
Air Quality Index Trend
45h · 9 stnMurayama'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. Current PM2.5 concentration in Murayama is 1.3× the WHO 24-hour guideline of 15 µg/m³.
99.3%
Humidity
14.7 km/h
Wind NE
1011.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
18.8 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Murayama?
Temperature & Precipitation
PM2.5 Trend
45h · 9 stationsPM2.518.8 µg/m³
×1.3 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
18.8
Median
18.8
Average
18.8
Low
18.8
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -12.6
What is the 7-day forecast for Murayama?
09-05
23.5° 16.7°
16.0 mm
09-06
24.2° 17.4°
1.56 mm
09-07
25.4° 16.9°
0.06 mm
09-08
23.0° 18.0°
13.44 mm
09-09
22.5° 15.8°
0.31 mm
09-10
27.1° 18.3°
3.31 mm
09-11
25.2° 14.8°
0.31 mm
Both models agree
Avg diff: 2.5°C
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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 2026-09-05T11:14 UTC.