Air Quality in Ōta, Japan

Drizzle
22.7°C · 88.3% humidity
22.7°
Feels 22.7°
13
Good
Air quality is satisfactory. Enjoy outdoor activities.
8 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
19 4pm
19
21
13 7pm
15
17
25 10pm
26
19
20 1am
20
20
21 4am
21
21
21 7am
21
21
28 10am
28
28
28 1pm
28
28
Station readings 10h ago
AQI 17
PM2.5 4.1 µg/m³ · 10h ago
CAMS model adj -6
25
25
27
27
27
27
34
34
27
27
27
27
27
27
27
27
27
27
34
34
34
34
34
34
AD 728×90

Air Quality Index Trend

45h · 36 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.

88.3%
Humidity
42.1 km/h
Wind E
1010.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
13
3.22 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Ōta?

Temperature & Precipitation

PM2.5 Trend

45h · 36 stations
PM2.53.22 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (8 stations within 25 km)
3.22
Median
4.29
Average
2.2
Low
5.3
High
PM2.5 µg/m³ · Model: 6.15 · Bias: +2.9

What is the 7-day forecast for Ōta?

09-05
27.7° 21.1°
15.06 mm
09-06
30.5° 22.4°
5.87 mm
09-07
30.8° 23.0°
3.88 mm
09-08
29.5° 21.9°
11.38 mm
09-09
26.4° 22.5°
3.38 mm
09-10
26.6° 23.2°
3.38 mm
09-11
32.1° 22.2°
12.56 mm
Both models agree Avg diff: 3.2°C

Where are air quality stations near Ōta?

17
Iidacho, Ota, Gunma, Japan (太田市立中央小学校太田市)
1.7 km PM2.5: 4.1 µg/m³
5
Iidacho, Ota, Gunma, Japan (太田市立中央小学校太田市)
1.7 km PM2.5: 1.2 µg/m³
13
Iidacho, Ota, Gunma, Japan (太田市立中央小学校太田市)
1.7 km PM2.5: 3.1 µg/m³
9
Iidacho, Ota, Gunma, Japan (太田市立中央小学校太田市)
1.7 km PM2.5: 2.2 µg/m³
22
Menumahigashi, Kumagaya-shi, Saitama-ken, Japan (熊谷妻沼東熊谷市)
8.7 km PM2.5: 5.3 µg/m³
24
Honjo, Ashikaga, Tochigi, Japan (足利市役所足利市)
8.8 km PM2.5: 5.8 µg/m³
22
Uwanodai, Fukaya, Saitama, Japan (深谷深谷市)
14.8 km PM2.5: 5.3 µg/m³
21
Hinode, Honjo, Saitama, Japan (本庄本庄市)
16.3 km PM2.5: 5.0 µg/m³
21
Miyacho, Kumagaya, Saitama, Japan (熊谷熊谷市)
17.1 km PM2.5: 5.0 µg/m³
21
Horigomecho, Sano, Tochigi, Japan (県安蘇庁舎佐野市)
19.6 km PM2.5: 5.0 µg/m³

What cities are near Ōta?

16 Kamikoizumi 16 Ashikaga 20 Menuma 18 Sakai-nakajima 16 Kiryū 22 Fukayachō 17 Isesaki 20 Tatebayashi 21 Ōwa 12 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 2026-09-05T10:26 UTC.