Air Quality in Kokubu-matsuki, Japan

Overcast
19.0°C · 94.3% humidity
19.0°
Feels 19.0°
59
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
3 stations

Nearby Monitoring Stations

AQI Forecast
66 8pm
66
66
59 11pm
78
79
80 2am
81
82
82 5am
82
83
83 8am
66
34
34 11am
34
34
54 2pm
54
54
54 5pm
54
54
AD 728×90

Air Quality Index Trend

47h · 11 stn

Kokubu-matsuki'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. Current PM2.5 concentration in Kokubu-matsuki is 3.2× the WHO annual guideline of 5 µg/m³.

94.3%
Humidity
13.5 km/h
Wind W
1008.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
59
15.9 µg/m³
PM10
63
79.9 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

47h · 11 stations
PM2.515.9 µg/m³ ×1.1 WHO
Moderate
PM1079.9 µg/m³
Moderate
UV INDEX0.7
Low
AD 300×250
15.9
Median
14.9
Average
11.0
Low
17.8
High
PM2.5 µg/m³ · Model: 23.15 · Bias: +7.2
05-29
20.4° 19.0°
24.75 mm
05-30
22.4° 18.1°
1.94 mm
05-31
24.8° 18.1°
06-01
27.0° 18.4°
0.44 mm
06-02
23.9° 18.7°
0.5 mm
06-03
22.9° 17.4°
23.06 mm
06-04
23.7° 17.3°
18.94 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 2026-05-29T14:28 UTC.