Air Quality in Ōita, Japan

Drizzle
25.4°C · 99.0% humidity
25.4°
Feels 25.4°
60
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
5 stations

Nearby Monitoring Stations

AQI Forecast
54 5am
54
54
60 8am
46
47
44 11am
34
32
38 2pm
37
36
55 5pm
55
55
54 8pm
54
83
83 11pm
83
83
83 2am
83
66
AD 728×90

Air Quality Index Trend

47h · 1 stn

Ōita'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. Current PM2.5 concentration in Ōita is 1.1× the WHO 24-hour guideline of 15 µg/m³.

99.0%
Humidity
46.7 km/h
Wind ESE
992.9 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
60
16.39 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Ōita?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.516.39 µg/m³ ×1.1 WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
Station readings (5 stations within 25 km)
16.39
Median
18.9
Average
6.0
Low
32.1
High
PM2.5 µg/m³ · Model: 13.5 · Bias: -2.9
Both models agree Avg diff: 3.7°C

Where are air quality stations near Ōita?

34
Oita (大分)
1.1 km PM2.5: 8.2 µg/m³
38
Yokose, Oita, Oita Prefecture, Japan (西部清掃事業所大分市)
7.5 km PM2.5: 9.1 µg/m³
35
Yokose, Oita, Oita Prefecture, Japan (西部清掃事業所大分市)
7.5 km PM2.5: 8.4 µg/m³
18
Nakahetsugi, Oita, Oita Prefecture, Japan (戸次中学校大分市)
10.9 km PM2.5: 4.3 µg/m³
72
Yokota, Oita, Oita Prefecture, Japan (大在小学校大分市)
11.2 km PM2.5: 22.1 µg/m³
69
Noguchihara, Beppu, Oita Prefecture, Japan (青山中学校別府市)
11.7 km PM2.5: 20.7 µg/m³
26
Shōnaichō Kakiharu, Yufu-shi, Ōita-ken, Japan (中部保健所由布保健部由布市)
17.3 km PM2.5: 6.2 µg/m³

What cities are near Ōita?

48 Tsurusaki 48 Beppu 53 Hiji 58 Kitsuki 52 Yufu 73 Usuki 38 Mie 77 Tsukumiura 37 Takedamachi 60 Kunisaki
Get AQI alerts for Ōita

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T23:16 UTC.