Air Quality in Ōta, Japan

Cloudy
26.0°C · 73.1% humidity
26.0°
Feels 26.0°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
4 6am
0
0
25 9am
20
18
34 12pm
31
29
28 3pm
27
26
25 6pm
25
25
25 9pm
24
24
24 12am
24
24
24 3am
24
4
Station readings 13h ago
AQI 18
PM2.5 4.3 µg/m³ · 13h ago
CAMS model adj -30
34
27
27
27
27
34
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
34
AD 728×90

Air Quality Index Trend

3h · 1 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.

73.1%
Humidity
31.9 km/h
Wind ESE
1009.4 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
25
6.05 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Ōta?

Temperature & Precipitation

PM2.5 Trend

3h · 1 station
PM2.56.05 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
Station readings (2 stations within 25 km)
6.05
Median
10.0
Average
6.0
Low
14.0
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +4.0

What is the 7-day forecast for Ōta?

08-03
27.3° 22.4°
9.69 mm
08-04
35.3° 24.8°
2.63 mm
08-05
33.4° 24.7°
2.69 mm
08-06
29.9° 25.2°
26.94 mm
08-07
38.1° 24.7°
21.75 mm
08-08
34.8° 25.9°
55.44 mm
08-09
35.7° 21.9°
1.31 mm
Both models agree Avg diff: 3.3°C

Where are air quality stations near Ōta?

24
Iidacho, Ota, Gunma, Japan (太田市立中央小学校太田市)
1.7 km PM2.5: 5.8 µg/m³
77
Honjo, Ashikaga, Tochigi, Japan (足利市役所足利市)
8.8 km PM2.5: 24.5 µg/m³
74
Honjo, Ashikaga, Tochigi, Japan (足利市役所足利市)
8.8 km PM2.5: 23.0 µg/m³
25
Nakamachi, Kiryu, Gunma, Japan (桐生市立東小学校桐生市)
12.5 km PM2.5: 6.0 µg/m³
50
Haragō, Fukaya-shi, Saitama-ken, Japan (深谷原郷自排深谷市)
13.2 km PM2.5: 12.0 µg/m³
30
Nakamachi, Tatebayashi, Gunma, Japan (館林市民センター館林市)
15.9 km PM2.5: 7.2 µg/m³
25
Hinode, Honjo, Saitama, Japan (本庄本庄市)
16.3 km PM2.5: 6.0 µg/m³
17
Miyacho, Kumagaya, Saitama, Japan (熊谷熊谷市)
17.1 km PM2.5: 4.1 µg/m³
17
Miyacho, Kumagaya, Saitama, Japan (熊谷熊谷市)
17.1 km PM2.5: 4.1 µg/m³
15
Nagano, Gyōda-shi, Saitama-ken, Japan (行田行田市)
19.9 km PM2.5: 3.6 µg/m³

What cities are near Ōta?

28 Kamikoizumi 25 Ashikaga 33 Menuma 42 Sakai-nakajima 25 Kiryū 45 Fukayachō 38 Isesaki 39 Tatebayashi 44 Ōwa 19 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 2026-08-08T00:55 UTC.