Air Quality in Ōi, Japan

Windy
19.9°C · 75.1% humidity
19.9°
Feels 19.9°
44
Good
Air quality is satisfactory. Enjoy outdoor activities.
32 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
5 1am
5
5
44 4am
33
27
21 7am
24
21
— 10am
—
—
— 1pm
—
—
— 4pm
—
—
— 7pm
—
—
— 10pm
—
—
Station readings
6
17
CAMS model adj -20
25
25
25
25
25
27
27
34
34
AD 728×90

Air Quality Index Trend

24h · 1 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.

75.1%
Humidity
52.0 km/h
Wind S
1020.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
44
10.54 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Ōi?

Temperature & Precipitation

PM2.5 Trend

24h · 1 station
PM2.510.54 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (32 stations within 25 km)
10.54
Median
9.7
Average
3.24
Low
31.0
High
PM2.5 µg/m³ · Model: 7.1 · Bias: -3.4

What is the 7-day forecast for Ōi?

05-29
24.9° 19.9°
0.06 mm
05-30
24.8° 19.7°
0.44 mm
05-31
27.1° 20.3°
06-01
28.2° 21.4°
06-02
27.4° 20.8°
0.06 mm
06-03
28.1° 23.1°
0.06 mm
06-04
26.5° 18.8°
Both models agree Avg diff: 3.4°C

Where are air quality stations near Ōi?

38
Tsuruma, Fujimi-shi, Saitama-ken, Japan (富士見富士見市)
2.7 km PM2.5: 9.1 µg/m³
46
Higashitokorozawa, Tokorozawa, Saitama, Japan (所沢市東所沢所沢市)
5.3 km PM2.5: 11.0 µg/m³
45
Higashitokorozawa, Tokorozawa, Saitama, Japan (所沢市東所沢所沢市)
5.3 km PM2.5: 10.8 µg/m³
11
Sunashinden, Kawagoe-shi, Saitama-ken, Japan (川越市高階川越市)
5.3 km PM2.5: 2.6 µg/m³
1
Sunashinden, Kawagoe-shi, Saitama-ken, Japan (川越市高階川越市)
5.3 km PM2.5: 0.2 µg/m³
57
Horigane, Sayama-shi, Saitama-ken, Japan (狭山狭山市)
6.4 km PM2.5: 15.0 µg/m³
57
Horigane, Sayama-shi, Saitama-ken, Japan (狭山狭山市)
6.4 km PM2.5: 15.0 µg/m³
11
Senbamachi, Kawagoe, Saitama, Japan (川越市仙波川越市)
6.6 km PM2.5: 2.6 µg/m³
17
Senbamachi, Kawagoe, Saitama, Japan (川越市仙波川越市)
6.6 km PM2.5: 4.1 µg/m³
34
Honda, Niiza-shi, Saitama-ken, Japan (新座新座市)
8.5 km PM2.5: 8.2 µg/m³

What cities are near Ōi?

47 Kamifukuoka 42 Miyoshidai 40 Niiza 46 Fujimino 40 Shiki 52 Kawagoe 38 Tokorozawa 38 Kiyose 37 Sashiōgi 39 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 2026-05-29T19:13 UTC.