Air Quality in Katsuura, Japan
Overcast
21.6°C · 95.7% humidity
21.6°
Feels 21.6°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Katsuura's air quality — share it
AQI Forecast
Calibrated
40
9am
40
40
23
12pm
28
31
34
3pm
36
37
38
6pm
36
37
37
9pm
39
40
40
12am
40
40
40
3am
40
40
40
6am
40
40
Station readings
49h ago
AQI 40
PM2.5 9.6 µg/m³ · 49h ago
Air Quality Index Trend
45h · 4 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.
95.7%
Humidity
26.9 km/h
Wind N
1009.2 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.53 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Katsuura?
Temperature & Precipitation
PM2.5 Trend
45h · 4 stationsPM2.55.53 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX4.4
Moderate
What is the 7-day forecast for Katsuura?
08-03
26.8° 21.6°
9.06 mm
08-04
29.0° 22.1°
0.31 mm
08-05
27.6° 24.5°
1.06 mm
08-06
27.6° 24.0°
11.25 mm
08-07
29.9° 24.9°
9.69 mm
08-08
28.2° 25.9°
17.56 mm
08-09
31.0° 21.5°
0.5 mm
Both models agree
Avg diff: 2.2°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 2026-08-08T03:56 UTC.