Air Quality in Usuki, Japan
Drizzle
23.3°C · 98.0% humidity
23.3°
Feels 23.3°
17
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Usuki's air quality — share it
AQI Forecast
25
9am
25
27
17
12pm
20
22
23
3pm
24
25
26
6pm
26
26
27
9pm
27
27
27
12am
27
27
27
3am
27
27
27
6am
27
27
Station readings
18
CAMS model
25
25
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
Air Quality Index Trend
40h · 7 stnUsuki'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.
98.0%
Humidity
19.0 km/h
Wind E
1005.0 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
4.1 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Usuki?
Temperature & Precipitation
PM2.5 Trend
40h · 7 stationsPM2.54.1 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
Station readings (1 station within 25 km)
4.1
Median
4.1
Average
4.1
Low
4.1
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +1.8
What is the 7-day forecast for Usuki?
08-03
30.8° 23.3°
1.63 mm
08-04
30.6° 23.6°
1.69 mm
08-05
32.2° 24.1°
6.44 mm
08-06
26.9° 23.8°
12.69 mm
08-07
31.0° 24.0°
8.75 mm
08-08
33.6° 23.6°
0.19 mm
08-09
31.2° 22.7°
0.19 mm
Both models agree
Avg diff: 2.5°C
Where are air quality stations near Usuki?
21
Nakahetsugi, Oita, Oita Prefecture, Japan (戸次中学校大分市)
25
Saganoseki, Oita, Oita Prefecture, Japan (佐賀関大分市)
18
Nagashimamachi, Saeki, Oita Prefecture, Japan (南部振興局佐伯市)
34
Oita (大分)
22
Miemachi Ichiba, Bungoono, Oita Prefecture, Japan (豊肥保健所豊後大野市)
What cities are near Usuki?
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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 2026-08-08T03:45 UTC.