Air Quality in Katsuura, Japan

Windy
22.2°C · 75.4% humidity
22.2°
Feels 22.2°
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model

Nearby Monitoring Stations

AQI Forecast
54 8pm
54
34
40 11pm
36
34
39 2am
37
36
36 5am
35
35
35 8am
34
34
54 11am
54
34
34 2pm
34
34
34 5pm
34
54
AD 728×90

Air Quality Index Trend

48h · 1 stn

Katsuura'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 Katsuura is 1.9× the WHO annual guideline of 5 µg/m³.

75.4%
Humidity
75.2 km/h
Wind SW
1003.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
40
9.69 µg/m³
PM10
25
27.45 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.59.69 µg/m³ ✓ WHO
Good
PM1027.45 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
05-29
22.2° 16.5°
0.19 mm
05-30
20.3° 15.8°
2.38 mm
05-31
23.1° 16.6°
0.69 mm
06-01
21.7° 17.9°
0.25 mm
06-02
20.9° 16.6°
06-03
24.5° 19.6°
0.56 mm
06-04
22.0° 15.6°
0.19 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 2026-05-29T14:52 UTC.