Air Quality in Ōarai, Japan
Cloudy
23.4°C · 88.8% humidity
23.4°
Feels 23.4°
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
AQI Forecast
Calibrated
21
7am
21
21
21
10am
23
24
25
1pm
26
20
20
4pm
20
21
21
7pm
21
21
28
10pm
28
48
28
1am
28
28
21
4am
21
21
Station readings
47h ago
AQI 21
PM2.5 5.0 µg/m³ · 47h ago
Air Quality Index Trend
41h · 14 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.
88.8%
Humidity
21.8 km/h
Wind ENE
1009.9 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.0 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Ōarai?
Temperature & Precipitation
PM2.5 Trend
41h · 14 stationsPM2.55.0 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX4.4
Moderate
Station readings (1 station within 25 km)
5.0
Median
5.0
Average
5.0
Low
5.0
High
PM2.5 µg/m³ · Model: 6.5 · Bias: +1.5
What is the 7-day forecast for Ōarai?
08-03
26.1° 20.5°
8.81 mm
08-04
31.8° 23.3°
0.25 mm
08-05
27.5° 24.8°
1.75 mm
08-06
29.5° 24.2°
22.81 mm
08-07
33.5° 24.4°
4.94 mm
08-08
29.6° 25.2°
58.87 mm
08-09
29.2° 23.4°
0.81 mm
Both models agree
Avg diff: 2.5°C
Where are air quality stations near Ōarai?
38
Higashiishikawa, Hitachinaka, Ibaraki, Japan (常陸那珂勝田ひたちなか市)
38
Ishikawa, Mito, Ibaraki, Japan (水戸石川水戸市)
34
Ishikawa, Mito, Ibaraki, Japan (水戸石川水戸市)
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 2026-08-08T01:56 UTC.