Air Quality in Koga, Japan

Windy
26.5°C · 93.5% humidity
26.5°
Feels 26.5°
46
Good
Air quality is satisfactory. Enjoy outdoor activities.
8 stations

Nearby Monitoring Stations

AQI Forecast
54 5am
34
34
46 8am
41
44
41 11am
39
58
57 2pm
56
55
55 5pm
55
54
54 8pm
54
54
54 11pm
54
54
54 2am
54
54
AD 728×90

Air Quality Index Trend

45h · 21 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.

93.5%
Humidity
44.8 km/h
Wind E
990.8 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
46
10.96 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Koga?

Temperature & Precipitation

PM2.5 Trend

45h · 21 stations
PM2.510.96 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (8 stations within 25 km)
10.96
Median
10.01
Average
5.0
Low
17.8
High
PM2.5 µg/m³ · Model: 8.2 · Bias: -2.8
Both models agree Avg diff: 1.5°C

Where are air quality stations near Koga?

31
Koga, Fukuoka Prefecture, Japan (古賀古賀市)
1.9 km PM2.5: 7.4 µg/m³
25
Kasumigaoka, Fukuoka, Japan (香椎福岡市東区)
7.3 km PM2.5: 6.0 µg/m³
2
Kasumigaoka, Fukuoka, Japan (香椎福岡市東区)
7.3 km PM2.5: 0.5 µg/m³
65
Togo, Munakata, Fukuoka, Japan (宗像宗像市)
10.5 km PM2.5: 18.8 µg/m³
59
Togo, Munakata, Fukuoka, Japan (宗像宗像市)
10.5 km PM2.5: 15.9 µg/m³
57
Tanaka, Fukuoka-ken, Japan (篠栗糟屋郡篠栗町)
13.1 km PM2.5: 15.0 µg/m³
31
Tanaka, Fukuoka-ken, Japan (篠栗糟屋郡篠栗町)
13.1 km PM2.5: 7.4 µg/m³
14
Yoshizuka, Fukuoka, Japan (吉塚福岡市博多区)
14.5 km PM2.5: 3.4 µg/m³
19
Yoshizuka, Fukuoka, Japan (吉塚福岡市博多区)
14.5 km PM2.5: 4.6 µg/m³
57
Fukuoka (福岡)
17.0 km PM2.5: 15.0 µg/m³

What cities are near Koga?

49 Nishifukuma 51 Shingū 52 Fukutsu 53 Munakata 26 Wakasugi 28 Sasaguri 45 Fukuoka 33 Sue 44 Miyawaka 36 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 2026-07-21T23:16 UTC.