Air Quality in Katsuura, Japan
Cloudy
21.0°C · 76.7% humidity
21.0°
Feels 21.0°
15
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Katsuura's air quality — share it
AQI Forecast
Calibrated
13
9am
20
20
15
12pm
22
27
31
3pm
33
35
37
6pm
38
50
51
9pm
39
39
40
12am
40
40
40
3am
40
40
40
6am
40
40
Station readings
29h ago
AQI 20
PM2.5 4.8 µg/m³ · 29h ago
Air Quality Index Trend
46h · 8 stnKatsuura'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.
76.7%
Humidity
35.5 km/h
Wind S
1015.8 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
3.5 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Katsuura?
Temperature & Precipitation
PM2.5 Trend
46h · 8 stationsPM2.53.5 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX10.9
Extreme
What is the 7-day forecast for Katsuura?
06-09
21.0° 19.9°
0.06 mm
06-10
24.0° 16.9°
0.88 mm
06-11
23.3° 18.6°
0.75 mm
06-12
24.3° 18.7°
1.81 mm
06-13
24.6° 18.5°
30.69 mm
06-14
25.0° 18.3°
55.31 mm
06-15
26.3° 20.2°
60.19 mm
Both models agree
Avg diff: 2.6°C
Where are air quality stations near Katsuura?
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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 2026-06-09T03:03 UTC.