Air Quality in Ōarai, Japan

Cloudy
23.4°C · 83.1% humidity
23.4°
Feels 23.4°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast
25 5pm
25
25
23 8pm
25
25
25 11pm
24
24
24 2am
24
24
24 5am
24
24
24 8am
24
34
34 11am
34
34
54 2pm
54
54
AD 728×90

Air Quality Index Trend

44h · 9 stn

Ōarai'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.

83.1%
Humidity
38.6 km/h
Wind ENE
1010.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
23
5.45 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Ōarai?

Temperature & Precipitation

PM2.5 Trend

44h · 9 stations
PM2.55.45 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (2 stations within 25 km)
5.45
Median
5.5
Average
5.0
Low
6.0
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +0.6

What is the 7-day forecast for Ōarai?

09-05
26.4° 22.2°
11.94 mm
09-06
26.3° 22.1°
0.5 mm
09-07
26.3° 22.9°
0.06 mm
09-08
27.9° 21.7°
3.19 mm
09-09
27.1° 20.8°
2.81 mm
09-10
26.7° 22.5°
1.0 mm
09-11
30.6° 22.9°
Both models agree Avg diff: 2.4°C

Where are air quality stations near Ōarai?

30
Higashiishikawa, Hitachinaka, Ibaraki, Japan (常陸那珂勝田ひたちなか市)
10.2 km PM2.5: 7.2 µg/m³
30
Higashiishikawa, Hitachinaka, Ibaraki, Japan (常陸那珂勝田ひたちなか市)
10.2 km PM2.5: 7.2 µg/m³
30
Ishikawa, Mito, Ibaraki, Japan (水戸石川水戸市)
16.6 km PM2.5: 7.2 µg/m³
50
Hokota, Hokota, Ibaraki, Japan (鉾田保健所鉾田市)
18.2 km PM2.5: 12.0 µg/m³
34
Hokota, Hokota, Ibaraki, Japan (鉾田保健所鉾田市)
18.2 km PM2.5: 8.2 µg/m³

What cities are near Ōarai?

23 Katsuta 23 Hitachi-Naka 21 Mito 22 Inada 22 Okunoya 20 Funaishikawa 20 Tokai 25 Hokota 22 Omitama 22 Tomobe
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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 2026-09-05T11:13 UTC.