Air Quality in Kōzan, Japan
Drizzle
21.2°C · 72.1% humidity
21.2°
Feels 21.2°
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
AQI Forecast
34
4am
27
27
27
7am
27
34
34
10am
54
54
54
1pm
54
54
54
4pm
54
54
54
7pm
54
54
54
10pm
54
54
54
1am
54
54
Air Quality Index Trend
47h · 17 stnKōzan'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.
72.1%
Humidity
29.3 km/h
Wind SE
1013.4 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.51 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Kōzan?
Temperature & Precipitation
PM2.5 Trend
47h · 17 stationsPM2.56.51 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX2.9
Moderate
Station readings (2 stations within 25 km)
6.51
Median
6.6
Average
6.0
Low
7.2
High
PM2.5 µg/m³ · Model: 7.35 · Bias: +0.8
What is the 7-day forecast for Kōzan?
05-29
19.1° 16.4°
12.69 mm
05-30
23.1° 15.9°
1.88 mm
05-31
24.0° 16.5°
06-01
26.9° 17.2°
06-02
26.0° 16.9°
06-03
23.2° 15.3°
3.19 mm
06-04
24.1° 13.3°
0.38 mm
Both models agree
Avg diff: 2.9°C
Where are air quality stations near Kōzan?
57
Fukuyama, Hiroshima Prefecture, Japan (松永小学校福山市)
38
Fukuyama, Hiroshima Prefecture, Japan (松永小学校福山市)
44
Tōkaichimachi, Miyoshi-shi, Hiroshima-ken, Japan (三次市十日市町三次市)
34
Tōkaichimachi, Miyoshi-shi, Hiroshima-ken, Japan (三次市十日市町三次市)
What cities are near Kōzan?
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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 2026-05-29T22:58 UTC.