Air Quality in Katsuyama, Japan
Partly Cloudy
20.4°C · 64.6% humidity
20.4°
Feels 20.4°
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Katsuyama's air quality — share it
AQI Forecast
27
8am
27
25
27
11am
27
27
27
2pm
27
27
27
5pm
27
27
34
8pm
34
27
34
11pm
34
54
54
2am
54
54
34
5am
34
27
Air Quality Index Trend
41h · 3 stnKatsuyama'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.
64.6%
Humidity
17.2 km/h
Wind WSW
1014.7 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.52 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Katsuyama?
Temperature & Precipitation
PM2.5 Trend
41h · 3 stationsPM2.56.52 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX19.9
Extreme
What is the 7-day forecast for Katsuyama?
06-09
23.5° 17.3°
0.25 mm
06-10
18.5° 14.0°
3.25 mm
06-11
24.6° 15.9°
06-12
21.5° 16.6°
1.56 mm
06-13
24.9° 17.4°
0.38 mm
06-14
23.5° 16.5°
0.13 mm
06-15
27.6° 16.6°
4.0 mm
Both models agree
Avg diff: 2.1°C
Where are air quality stations near Katsuyama?
30
Mizuotoshicho, Ono, Fukui, Japan (大野大野市)
25
Toyoshima, Fukui, Fukui, Japan (福井福井市)
29
Sadatomocho, Echizen, Fukui, Japan (今立越前市)
What cities are near Katsuyama?
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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 2026-06-09T02:42 UTC.