Air Quality in Usuki, Japan

Overcast
21.8°C · 91.6% humidity
21.8°
Feels 21.8°
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast
27 5pm
27
27
18 8pm
28
19
21 11pm
22
22
23 2am
23
23
24 5am
24
24
24 8am
24
24
24 11am
24
24
24 2pm
24
24
AD 728×90

Air Quality Index Trend

44h · 2 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.

91.6%
Humidity
17.7 km/h
Wind W
1002.2 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
18
4.3 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Usuki?

Temperature & Precipitation

PM2.5 Trend

44h · 2 stations
PM2.54.3 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (1 station within 25 km)
4.3
Median
4.3
Average
4.3
Low
4.3
High
PM2.5 µg/m³ · Model: 7.35 · Bias: +3.0

What is the 7-day forecast for Usuki?

09-05
26.1° 21.8°
6.06 mm
09-06
30.4° 21.0°
4.37 mm
09-07
29.7° 21.5°
0.31 mm
09-08
26.4° 20.5°
3.69 mm
09-09
27.2° 21.6°
4.31 mm
09-10
26.3° 19.5°
7.63 mm
09-11
27.2° 21.5°
15.19 mm
Both models agree Avg diff: 2.5°C

Where are air quality stations near Usuki?

26
Yokota, Oita, Oita Prefecture, Japan (大在小学校大分市)
15.9 km PM2.5: 6.2 µg/m³
17
Oita (大分)
22.3 km PM2.5: 4.1 µg/m³
61
Miemachi Ichiba, Bungoono, Oita Prefecture, Japan (豊肥保健所豊後大野市)
26.5 km PM2.5: 16.9 µg/m³

What cities are near Usuki?

18 Tsukumiura 34 Tsurusaki 18 Saiki 34 Ōita 27 Mie 34 Beppu 34 Kitsuki 34 Hiji 34 Yufu 26 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 2026-09-05T11:12 UTC.