Air Quality in Hiji, Japan

Windy
26.5°C · 54.0% humidity
26.5°
Feels 26.5°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations

Nearby Monitoring Stations

AQI Forecast
34 11am
34
34
25 2pm
28
29
31 5pm
32
52
53 8pm
53
65
66 11pm
66
66
66 2am
66
83
66 5am
66
66
54 8am
34
34
AD 728×90

Air Quality Index Trend

47h · 12 stn

Hiji'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.

54.0%
Humidity
52.7 km/h
Wind ESE
1011.9 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
25
6.08 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Hiji?

Temperature & Precipitation

PM2.5 Trend

47h · 12 stations
PM2.56.08 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX19.9
Extreme
AD 300×250
Station readings (5 stations within 25 km)
6.08
Median
5.64
Average
0.5
Low
8.2
High
PM2.5 µg/m³ · Model: 8.2 · Bias: +2.1

What is the 7-day forecast for Hiji?

06-09
26.5° 17.9°
06-10
20.9° 16.5°
0.25 mm
06-11
27.6° 17.4°
06-12
26.2° 18.9°
0.13 mm
06-13
28.3° 18.7°
11.56 mm
06-14
22.6° 17.7°
11.56 mm
06-15
27.8° 17.2°
16.81 mm
Both models agree Avg diff: 1.8°C

Where are air quality stations near Hiji?

53
Noguchihara, Beppu, Oita Prefecture, Japan (青山中学校別府市)
10.2 km PM2.5: 13.1 µg/m³
21
Oita (大分)
16.3 km PM2.5: 5.0 µg/m³
38
Yokose, Oita, Oita Prefecture, Japan (西部清掃事業所大分市)
20.5 km PM2.5: 9.1 µg/m³
39
Yokose, Oita, Oita Prefecture, Japan (西部清掃事業所大分市)
20.5 km PM2.5: 9.4 µg/m³
17
Yokota, Oita, Oita Prefecture, Japan (大在小学校大分市)
22.2 km PM2.5: 4.1 µg/m³
29
Shōnaichō Kakiharu, Yufu-shi, Ōita-ken, Japan (中部保健所由布保健部由布市)
23.4 km PM2.5: 7.0 µg/m³
21
Nakahetsugi, Oita, Oita Prefecture, Japan (戸次中学校大分市)
27.5 km PM2.5: 5.0 µg/m³
12
Kunisakimachi Tsurugawa, Kunisaki-shi, Ōita-ken, Japan (国東高等学校国東市)
28.0 km PM2.5: 2.9 µg/m³

What cities are near Hiji?

26 Kitsuki 25 Beppu 28 Ōita 25 Tsurusaki 44 Bungo-Takada-shi 7 Yufu 32 Yokkaichi 24 Kunisaki 28 Tsukawaki 28 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 2026-06-09T05:11 UTC.