Air Quality in Koga, Japan

Partly Cloudy
22.5°C · 60.7% humidity
22.5°
Feels 22.5°
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
12 stations

Nearby Monitoring Stations

AQI Forecast
66 5am
66
83
28 8am
27
14
20 11am
24
27
29 2pm
30
31
32 5pm
33
33
53 8pm
54
66
66 11pm
66
66
66 2am
83
83
AD 728×90

Air Quality Index Trend

47h · 30 stn

Koga'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.

60.7%
Humidity
13.0 km/h
Wind ESE
1012.8 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
28
6.62 µg/m³
PM10▲
31
34.3 µg/m³
050100150200300500

What is the weather forecast for Koga?

Temperature & Precipitation

PM2.5 Trend

47h · 30 stations
PM2.56.62 µg/m³ ✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (12 stations within 25 km)
6.62
Median
6.43
Average
4.6
Low
8.9
High
PM2.5 µg/m³ · Model: 13.7 · Bias: +7.1

What is the 7-day forecast for Koga?

06-08
27.1° 21.2°
06-09
26.9° 21.3°
06-10
21.2° 18.1°
5.94 mm
06-11
27.1° 21.2°
06-12
24.3° 21.9°
06-13
25.6° 21.0°
5.0 mm
06-14
23.6° 19.9°
37.31 mm
Both models agree Avg diff: 1.9°C

Where are air quality stations near Koga?

13
Koga, Fukuoka Prefecture, Japan (古賀古賀市)
1.9 km PM2.5: 3.1 µg/m³
5
Kasumigaoka, Fukuoka, Japan (香椎福岡市東区)
7.3 km PM2.5: 1.2 µg/m³
43
Kasumigaoka, Fukuoka, Japan (香椎福岡市東区)
7.3 km PM2.5: 10.3 µg/m³
40
Togo, Munakata, Fukuoka, Japan (宗像宗像市)
10.5 km PM2.5: 9.6 µg/m³
21
Togo, Munakata, Fukuoka, Japan (宗像宗像市)
10.5 km PM2.5: 5.0 µg/m³
42
Tanaka, Fukuoka-ken, Japan (篠栗糟屋郡篠栗町)
13.1 km PM2.5: 10.1 µg/m³
31
Tanaka, Fukuoka-ken, Japan (篠栗糟屋郡篠栗町)
13.1 km PM2.5: 7.4 µg/m³
22
Yoshizuka, Fukuoka, Japan (吉塚福岡市博多区)
14.5 km PM2.5: 5.3 µg/m³
45
Yoshizuka, Fukuoka, Japan (吉塚福岡市博多区)
14.5 km PM2.5: 10.8 µg/m³
30
Fukuoka (福岡)
17.0 km PM2.5: 7.2 µg/m³

What cities are near Koga?

27 Nishifukuma 27 Shingū 26 Fukutsu 26 Munakata 20 Wakasugi 22 Sasaguri 28 Fukuoka 24 Sue 28 Miyawaka 25 Shime
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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 2026-06-08T23:20 UTC.