Air Quality in Katsuta, Japan
Overcast
22.4°C · 92.6% humidity
22.4°
Feels 22.4°
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Katsuta's air quality — share it
AQI Forecast
Calibrated
29
1pm
29
22
21
4pm
22
22
22
7pm
22
22
29
10pm
29
49
29
1am
29
29
22
4am
22
22
22
7am
22
22
29
10am
29
29
CAMS model
adj -5
34
34
27
27
27
27
27
27
27
34
34
54
34
34
34
27
27
27
27
27
27
34
34
34
Air Quality Index Trend
42h · 14 stnKatsuta'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.
92.6%
Humidity
16.0 km/h
Wind NE
1010.1 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.0 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Katsuta?
Temperature & Precipitation
PM2.5 Trend
42h · 14 stationsPM2.55.0 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX4.4
Moderate
Station readings (1 station within 25 km)
5.0
Median
5.0
Average
5.0
Low
5.0
High
PM2.5 µg/m³ · Model: 6.5 · Bias: +1.5
What is the 7-day forecast for Katsuta?
08-03
25.7° 20.3°
10.5 mm
08-04
31.7° 22.1°
0.62 mm
08-05
28.3° 24.8°
4.06 mm
08-06
29.4° 23.9°
25.37 mm
08-07
32.9° 24.3°
3.88 mm
08-08
30.7° 24.6°
63.31 mm
08-09
30.4° 21.8°
0.31 mm
Both models agree
Avg diff: 2.5°C
Where are air quality stations near Katsuta?
21
Higashiishikawa, Hitachinaka, Ibaraki, Japan (常陸那珂勝田ひたちなか市)
25
Higashiishikawa, Hitachinaka, Ibaraki, Japan (常陸那珂勝田ひたちなか市)
25
Ishikawa, Mito, Ibaraki, Japan (水戸石川水戸市)
38
Nonakacho, Hitachiomiya, Ibaraki, Japan (大宮野中常陸大宮市)
21
Hokota, Hokota, Ibaraki, Japan (鉾田保健所鉾田市)
21
Miyatacho, Hitachi, Ibaraki, Japan (日立市役所日立市)
21
Miyatacho, Hitachi, Ibaraki, Japan (日立市役所日立市)
38
Suginami, Ishioka, Ibaraki, Japan (石岡杉並石岡市)
What cities are near Katsuta?
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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 2026-08-08T07:23 UTC.