Air Quality in Usuki, Japan
Drizzle
17.5°C · 97.6% humidity
17.5°
Feels 17.5°
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations
Nearby Monitoring Stations
AQI Forecast
34
11pm
34
34
34
2am
34
34
34
5am
34
27
27
8am
27
27
27
11am
27
27
27
2pm
27
27
27
5pm
27
25
27
8pm
54
27
Air Quality Index Trend
47h · 8 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.
97.6%
Humidity
20.9 km/h
Wind SE
1017.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
8.13 µg/m³
PM10▲
41.15 µg/m³
050100150200300500
What is the weather forecast for Usuki?
Temperature & Precipitation
PM2.5 Trend
47h · 8 stationsPM2.58.13 µg/m³
✓ WHO
Good
PM1041.15 µg/m³
Good
UV INDEX0.7
Low
Station readings (5 stations within 25 km)
8.13
Median
8.56
Average
6.7
Low
12.0
High
PM2.5 µg/m³ · Model: 17.65 · Bias: +9.5
What is the 7-day forecast for Usuki?
05-29
18.1° 17.3°
8.5 mm
05-30
20.0° 16.2°
4.0 mm
05-31
23.9° 17.6°
0.19 mm
06-01
26.0° 17.2°
0.88 mm
06-02
19.0° 17.1°
1.94 mm
06-03
24.1° 15.0°
12.94 mm
06-04
23.3° 15.5°
2.81 mm
Both models agree
Avg diff: 2.6°C
Where are air quality stations near Usuki?
23
Nakahetsugi, Oita, Oita Prefecture, Japan (戸次中学校大分市)
48
Saganoseki, Oita, Oita Prefecture, Japan (佐賀関大分市)
51
Yokota, Oita, Oita Prefecture, Japan (大在小学校大分市)
46
Nagashimamachi, Saeki, Oita Prefecture, Japan (南部振興局佐伯市)
34
Oita (大分)
34
Yokose, Oita, Oita Prefecture, Japan (西部清掃事業所大分市)
67
Yokose, Oita, Oita Prefecture, Japan (西部清掃事業所大分市)
34
Miemachi Ichiba, Bungoono, Oita Prefecture, Japan (豊肥保健所豊後大野市)
34
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 2026-05-29T17:44 UTC.