Air Quality in Ōta, Japan

Drizzle
15.8°C · 70.1% humidity
15.8°
Feels 15.8°
57
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast
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Air Quality Index Trend

45h · 22 stn

Ōta'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.

70.1%
Humidity
18.0 km/h
Wind SE
1021.7 hPa
Pressure
0.0
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
57
14.98 µg/m³
PM10
51
54.9 µg/m³
050100150200300500

What is the weather forecast for Ōta?

Temperature & Precipitation

PM2.5 Trend

45h · 22 stations
PM2.514.98 µg/m³ ✓ WHO
Moderate
PM1054.9 µg/m³
Moderate
UV INDEX0.0
Low
Station readings (2 stations within 25 km)
14.98
Median
14.05
Average
13.1
Low
15.0
High
PM2.5 µg/m³ · Model: 19.2 · Bias: +4.2

What is the 7-day forecast for Ōta?

10-21
19.7° 15.8°
0.19 mm
10-22
22.7° 16.3°
0.06 mm
10-23
21.8° 14.0°
10-24
20.4° 16.9°
0.31 mm
10-25
19.3° 13.1°
4.63 mm
10-26
21.6° 13.5°
10-27
17.8° 14.3°
Both models agree Avg diff: 2.9°C

Where are air quality stations near Ōta?

57
Iidacho, Ota, Gunma, Japan (太田市立中央小学校太田市)
1.7 km PM2.5: 15.0 µg/m³
34
Honjo, Ashikaga, Tochigi, Japan (足利市役所足利市)
8.8 km PM2.5: 8.2 µg/m³
70
Nakamachi, Kiryu, Gunma, Japan (桐生市立東小学校桐生市)
12.5 km PM2.5: 21.1 µg/m³
53
Hinode, Honjo, Saitama, Japan (本庄本庄市)
16.3 km PM2.5: 13.1 µg/m³
53
Hinode, Honjo, Saitama, Japan (本庄本庄市)
16.3 km PM2.5: 13.1 µg/m³
30
Fujiokamachiko, Tochigi, Tochigi, Japan (栃木市藤岡総合文化センター栃木市)
24.1 km PM2.5: 7.2 µg/m³

What cities are near Ōta?

57 Kamikoizumi 57 Ashikaga 56 Menuma 53 Sakai-nakajima 56 Kiryū 54 Fukayachō 49 Isesaki 53 Tatebayashi 56 Ōwa 46 Ōmamachō-ōmama
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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 2026-10-21T05:26 UTC.