Air Quality in Katō, Japan

Cloudy
19.0°C · 87.8% humidity
19.0°
Feels 19.0°
31
Good
Air quality is satisfactory. Enjoy outdoor activities.
6 stations

Nearby Monitoring Stations

AQI Forecast
34 2am
54
54
31 5am
38
42
46 8am
48
50
51 11am
52
52
53 2pm
53
53
54 5pm
54
54
54 8pm
54
66
54 11pm
54
54
AD 728×90

Air Quality Index Trend

48h · 24 stn

Katō'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.

87.8%
Humidity
15.5 km/h
Wind SW
1019.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
31
7.46 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

48h · 24 stations
PM2.57.46 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
7.46
Median
7.77
Average
5.0
Low
10.1
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +2.5
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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 2026-05-29T20:13 UTC.