Air Quality in Ōi, Japan

Partly Cloudy
26.4°C · 68.1% humidity
26.4°
Feels 26.4°
37
Good
Air quality is satisfactory. Enjoy outdoor activities.
8 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
0 8am
0
19
37 11am
29
24
20 2pm
17
15
14 5pm
13
12
11 8pm
23
11
10 11pm
10
10
10 2am
10
10
10 5am
10
0
Station readings
19
CAMS model adj -44
34
34
54
54
54
54
54
54
54
54
54
54
54
66
54
54
54
54
54
54
54
54
54
34
AD 728×90

Air Quality Index Trend

18h · 3 stn

Ōi'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.

68.1%
Humidity
24.7 km/h
Wind E
1009.4 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
37
8.77 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Ōi?

Temperature & Precipitation

PM2.5 Trend

18h · 3 stations
PM2.58.77 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (8 stations within 25 km)
8.77
Median
9.68
Average
4.1
Low
14.0
High
PM2.5 µg/m³ · Model: 10.85 · Bias: +2.1

What is the 7-day forecast for Ōi?

08-03
28.2° 22.4°
9.5 mm
08-04
34.2° 25.8°
4.56 mm
08-05
32.3° 25.5°
1.81 mm
08-06
30.1° 26.8°
21.13 mm
08-07
36.2° 25.2°
11.69 mm
08-08
34.3° 26.5°
37.0 mm
08-09
35.6° 22.7°
1.25 mm
Both models agree Avg diff: 2.9°C

Where are air quality stations near Ōi?

34
Tsuruma, Fujimi-shi, Saitama-ken, Japan (富士見富士見市)
2.7 km PM2.5: 8.2 µg/m³
19
Tokorozawa, Saitama, Japan (所沢市和ヶ原所沢市)
7.3 km PM2.5: 4.6 µg/m³
25
Tokorozawa (所沢)
7.3 km PM2.5: 6.0 µg/m³
21
Honda, Niiza-shi, Saitama-ken, Japan (新座新座市)
8.5 km PM2.5: 5.0 µg/m³
34
Saitama, Japan (さいたま市三橋自排さいたま市西区)
9.9 km PM2.5: 8.2 µg/m³
20
Saitama, Japan (さいたま市三橋自排さいたま市西区)
9.9 km PM2.5: 4.8 µg/m³
17
Niikura, Wakō-shi, Saitama-ken, Japan (和光新倉自排和光市)
10.3 km PM2.5: 4.1 µg/m³
23
Azumacho, Iruma, Saitama, Japan (入間入間市)
11.3 km PM2.5: 5.5 µg/m³
18
Bijogi, Toda, Saitama, Japan (戸田美女木自排戸田市)
11.5 km PM2.5: 4.3 µg/m³
17
Daimoncho, Saitama, Japan (さいたま市大宮さいたま市大宮区)
11.7 km PM2.5: 4.1 µg/m³

What cities are near Ōi?

38 Kamifukuoka 33 Miyoshidai 31 Niiza 38 Fujimino 35 Shiki 37 Kawagoe 29 Tokorozawa 23 Kiyose 46 Sashiōgi 25 Akitsu
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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 2026-08-08T02:00 UTC.