Air Quality in Koga, Japan
Windy
27.1°C · 75.2% humidity
27.1°
Feels 32.0°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Koga's air quality — share it
AQI Forecast
24
6am
24
24
26
9am
24
24
24
12pm
25
25
25
3pm
27
27
27
6pm
27
27
27
9pm
27
27
27
12am
27
27
27
3am
27
27
Air Quality Index Trend
46h · 23 stnKoga'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.
75.2%
Humidity
47.9 km/h
Wind E
1003.3 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.15 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Koga?
Temperature & Precipitation
PM2.5 Trend
46h · 23 stationsPM2.56.15 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
What is the 7-day forecast for Koga?
08-03
30.1° 26.3°
08-04
32.5° 26.7°
2.56 mm
08-05
30.4° 26.1°
1.31 mm
08-06
29.9° 25.9°
3.94 mm
08-07
31.3° 25.7°
1.62 mm
08-08
32.6° 24.6°
5.19 mm
08-09
28.6° 25.1°
0.87 mm
Both models agree
Avg diff: 2.9°C
Where are air quality stations near Koga?
18
Koga, Fukuoka Prefecture, Japan (古賀古賀市)
25
Kasumigaoka, Fukuoka, Japan (香椎福岡市東区)
25
Togo, Munakata, Fukuoka, Japan (宗像宗像市)
25
Yoshizuka, Fukuoka, Japan (吉塚福岡市博多区)
73
Nishijin, Fukuoka, Japan (西新福岡市早良区)
30
Ohashi, Fukuoka, Japan (大橋福岡市南区)
38
Nagao, Fukuoka, Japan (長尾福岡市城南区)
25
Nagao, Fukuoka, Japan (長尾福岡市城南区)
30
Ishimaru, Fukuoka, Japan (石丸福岡市西区)
38
Ishimaru, Fukuoka, Japan (石丸福岡市西区)
What cities are near Koga?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T00:57 UTC.