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
AD 728×90

Air Quality Index Trend

47h · 8 stn

Usuki'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
34
8.13 µg/m³
PM10▲
38
41.15 µg/m³
050100150200300500

What is the weather forecast for Usuki?

Temperature & Precipitation

PM2.5 Trend

47h · 8 stations
PM2.58.13 µg/m³ ✓ WHO
Good
PM1041.15 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
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)
14.0 km PM2.5: 5.5 µg/m³
48
Saganoseki, Oita, Oita Prefecture, Japan (佐賀関大分市)
15.5 km PM2.5: 11.5 µg/m³
51
Yokota, Oita, Oita Prefecture, Japan (大在小学校大分市)
15.9 km PM2.5: 12.1 µg/m³
46
Nagashimamachi, Saeki, Oita Prefecture, Japan (南部振興局佐伯市)
20.0 km PM2.5: 11.0 µg/m³
34
Oita (大分)
22.3 km PM2.5: 8.2 µg/m³
34
Yokose, Oita, Oita Prefecture, Japan (西部清掃事業所大分市)
25.4 km PM2.5: 8.2 µg/m³
67
Yokose, Oita, Oita Prefecture, Japan (西部清掃事業所大分市)
25.4 km PM2.5: 19.7 µg/m³
34
Miemachi Ichiba, Bungoono, Oita Prefecture, Japan (豊肥保健所豊後大野市)
26.5 km PM2.5: 8.2 µg/m³
34
Miemachi Ichiba, Bungoono, Oita Prefecture, Japan (豊肥保健所豊後大野市)
26.5 km PM2.5: 8.2 µg/m³

What cities are near Usuki?

32 Tsukumiura 36 Tsurusaki 32 Saiki 49 Ōita 31 Mie 50 Beppu 39 Kitsuki 46 Hiji 45 Yufu 74 Takedamachi
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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.