Air Quality in Ōarai, Japan
Drizzle
23.7°C · 99.5% humidity
23.7°
Feels 23.7°
65
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations
Nearby Monitoring Stations
Ōarai's air quality — share it
AQI Forecast
54
7am
34
34
65
10am
62
60
58
1pm
57
56
55
4pm
55
55
35
7pm
34
27
66
10pm
66
66
66
1am
54
54
54
4am
54
54
Air Quality Index Trend
38h · 5 stnŌarai'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 Ōarai is 1.2× the WHO 24-hour guideline of 15 µg/m³.
99.5%
Humidity
8.6 km/h
Wind ENE
1001.9 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
18.59 µg/m³
PM10
34.3 µg/m³
050100150200300500
What is the weather forecast for Ōarai?
Temperature & Precipitation
PM2.5 Trend
38h · 5 stationsPM2.518.59 µg/m³
×1.2 WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX19.9
Extreme
Station readings (2 stations within 25 km)
18.59
Median
19.45
Average
17.8
Low
21.1
High
PM2.5 µg/m³ · Model: 20.75 · Bias: +2.2
What is the 7-day forecast for Ōarai?
07-22
25.1° 23.5°
17.75 mm
07-23
25.1° 20.0°
0.25 mm
07-24
27.2° 23.1°
0.13 mm
07-25
32.1° 21.1°
0.31 mm
07-26
26.0° 20.6°
1.0 mm
07-27
25.4° 23.2°
3.0 mm
07-28
29.3° 23.2°
21.25 mm
Both models agree
Avg diff: 2.6°C
Where are air quality stations near Ōarai?
61
Higashiishikawa, Hitachinaka, Ibaraki, Japan (常陸那珂勝田ひたちなか市)
68
Ishikawa, Mito, Ibaraki, Japan (水戸石川水戸市)
25
Hokota, Hokota, Ibaraki, Japan (鉾田保健所鉾田市)
80
Hokota, Hokota, Ibaraki, Japan (鉾田保健所鉾田市)
What cities are near Ōarai?
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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 2026-07-22T01:18 UTC.