Air Quality in Ōno-hara, Japan

Overcast
25.5°C · 92.1% humidity
25.5°
Feels 25.5°
89
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
4 stations

Nearby Monitoring Stations

AQI Forecast
54 7am
34
34
89 10am
73
62
47 1pm
41
44
41 4pm
39
38
57 7pm
56
55
55 10pm
55
55
54 1am
54
54
54 4am
54
54
AD 728×90

Air Quality Index Trend

45h · 16 stn

Ōno-hara'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 Ōno-hara is 2.0× the WHO 24-hour guideline of 15 µg/m³.

92.1%
Humidity
22.1 km/h
Wind ENE
994.8 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
89
30.33 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Ōno-hara?

Temperature & Precipitation

PM2.5 Trend

45h · 16 stations
PM2.530.33 µg/m³ ×2.0 WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX17.4
Extreme
AD 300×250
Station readings (4 stations within 25 km)
30.33
Median
27.43
Average
23.0
Low
34.9
High
PM2.5 µg/m³ · Model: 10.85 · Bias: -19.5

What is the 7-day forecast for Ōno-hara?

07-22
26.2° 24.3°
4.81 mm
07-23
26.6° 19.2°
21.69 mm
07-24
27.2° 24.0°
1.31 mm
07-25
30.2° 22.7°
1.25 mm
07-26
29.4° 24.5°
4.75 mm
07-27
27.5° 23.6°
07-28
29.0° 25.2°
3.25 mm
Both models agree Avg diff: 3.1°C

Where are air quality stations near Ōno-hara?

18
Waki, Yamaguchi, Japan (和木コミュニティセンター玖珂郡和木町)
9.4 km PM2.5: 4.3 µg/m³
61
Waki, Yamaguchi, Japan (和木コミュニティセンター玖珂郡和木町)
9.4 km PM2.5: 16.9 µg/m³
12
Waki, Yamaguchi, Japan (和木コミュニティセンター玖珂郡和木町)
9.4 km PM2.5: 2.9 µg/m³
9
Yamatemachi, Iwakuni, Yamaguchi, Japan (麻里布小学校岩国市)
13.4 km PM2.5: 2.2 µg/m³
57
Inokuchi, Hiroshima, Japan (井口小学校広島市西区)
14.6 km PM2.5: 15.0 µg/m³
63
Inokuchi, Hiroshima, Japan (井口小学校広島市西区)
14.6 km PM2.5: 17.8 µg/m³
38
Inokuchi, Hiroshima, Japan (井口小学校広島市西区)
14.6 km PM2.5: 9.1 µg/m³
65
Koihonmachi, Hiroshima Prefecture, Japan (庚午広島市西区)
18.8 km PM2.5: 18.8 µg/m³
20
Hiroshima (広島)
20.7 km PM2.5: 4.8 µg/m³
72
Hiroshima (広島)
20.7 km PM2.5: 22.1 µg/m³

What cities are near Ōno-hara?

98 Ōtake 85 Hatsukaichi 74 Iwakuni 82 Etajima 81 Hiroshima 80 Gion 80 Fuchū 79 Kaitaichi 75 Kure 76 Kumano
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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 2026-07-22T01:21 UTC.