Air Quality in Karatsu, Japan

Drizzle
25.9°C · 85.5% humidity
25.9°
Feels 25.9°
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast
54 5pm
54
54
21 8pm
30
8
13 11pm
16
19
21 2am
22
23
23 5am
23
23
23 8am
24
24
24 11am
24
24
24 2pm
25
25
AD 728×90

Air Quality Index Trend

45h · 18 stn

Karatsu'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.

85.5%
Humidity
94.0 km/h
Wind NNE
1002.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
21
5.01 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

45h · 18 stations
PM2.55.01 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
5.01
Median
8.0
Average
5.0
Low
11.0
High
PM2.5 µg/m³ · Model: 10.85 · Bias: +5.8
09-05
28.1° 24.6°
1.13 mm
09-06
28.0° 24.4°
0.94 mm
09-07
29.9° 24.2°
0.25 mm
09-08
27.4° 23.5°
0.06 mm
09-09
27.5° 24.9°
5.19 mm
09-10
29.3° 23.1°
0.38 mm
09-11
27.0° 24.2°
2.25 mm
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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 2026-09-05T11:12 UTC.