Air Quality in Ōamishirasato, Japan
Windy
23.2°C · 71.7% humidity
23.2°
Feels 23.2°
55
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
6 stations
Nearby Monitoring Stations
AQI Forecast
27
6am
27
27
55
9am
45
41
37
12pm
41
39
58
3pm
57
56
67
6pm
67
67
55
9pm
27
27
27
12am
27
27
27
3am
34
34
Air Quality Index Trend
47h · 34 stnŌamishirasato'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 Ōamishirasato is 2.8× the WHO annual guideline of 5 µg/m³.
71.7%
Humidity
118.3 km/h
Wind SSE
1001.5 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
14.19 µg/m³
PM10
34.3 µg/m³
050100150200300500
What is the weather forecast for Ōamishirasato?
Temperature & Precipitation
PM2.5 Trend
47h · 34 stationsPM2.514.19 µg/m³
✓ WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX14.9
Extreme
Station readings (6 stations within 25 km)
14.19
Median
14.45
Average
8.2
Low
21.1
High
PM2.5 µg/m³ · Model: 12.85 · Bias: -1.3
What is the 7-day forecast for Ōamishirasato?
05-29
24.3° 17.6°
0.06 mm
05-30
22.3° 18.8°
2.19 mm
05-31
24.5° 18.2°
0.5 mm
06-01
24.8° 19.4°
0.06 mm
06-02
24.6° 18.9°
06-03
27.6° 21.3°
0.75 mm
06-04
25.1° 17.0°
0.06 mm
Both models agree
Avg diff: 2.4°C
Where are air quality stations near Ōamishirasato?
30
Horiage, Tōgane-shi, Chiba-ken, Japan (東金堀上東金市)
5
Horiage, Tōgane-shi, Chiba-ken, Japan (東金堀上東金市)
15
Ojicho, Chiba, Japan (土気千葉市緑区)
42
Takashi, Mobara, Chiba Prefecture, Japan (茂原高師茂原市)
50
Takashi, Mobara, Chiba Prefecture, Japan (茂原高師茂原市)
18
Takashi, Mobara, Chiba Prefecture, Japan (茂原高師茂原市)
21
Uruido, Ichihara, Chiba, Japan (市原潤井戸市原市)
34
Uruido, Ichihara, Chiba, Japan (市原潤井戸市原市)
30
Uruido, Ichihara, Chiba, Japan (市原潤井戸市原市)
50
Uruido, Ichihara, Chiba, Japan (市原潤井戸市原市)
What cities are near Ōamishirasato?
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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 2026-05-29T00:27 UTC.