Air Quality in Ōi, Japan

Cloudy
21.5°C · 71.7% humidity
21.5°
Feels 21.5°
16
Good
Air quality is satisfactory. Enjoy outdoor activities.
24 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
35 8am
23
23
16 11am
18
19
20 2pm
21
22
22 5pm
22
35
35 8pm
35
35
35 11pm
23
23
23 2am
23
3
0 5am
0
0
Station readings
4
CAMS model adj -31
66
54
54
54
54
54
54
54
54
54
54
66
66
66
66
66
54
54
54
54
34
27
25
27
AD 728×90

Air Quality Index Trend

36h · 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.

71.7%
Humidity
29.8 km/h
Wind S
1015.4 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
16
3.81 µg/m³
PM10▲
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Ōi?

Temperature & Precipitation

PM2.5 Trend

36h · 1 station
PM2.53.81 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX14.9
Extreme
AD 300×250
Station readings (24 stations within 25 km)
3.81
Median
4.31
Average
1.0
Low
10.8
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +6.2

What is the 7-day forecast for Ōi?

06-09
23.3° 21.5°
0.13 mm
06-10
28.6° 19.0°
3.81 mm
06-11
26.3° 19.7°
0.38 mm
06-12
24.3° 19.6°
1.0 mm
06-13
30.7° 21.4°
3.69 mm
06-14
29.7° 18.3°
39.69 mm
06-15
27.2° 21.0°
12.0 mm
Both models agree Avg diff: 2.3°C

Where are air quality stations near Ōi?

–
Tsuruma, Fujimi-shi, Saitama-ken, Japan (富士見富士見市)
2.7 km
21
Higashitokorozawa, Tokorozawa, Saitama, Japan (所沢市東所沢所沢市)
5.3 km PM2.5: 5.0 µg/m³
16
Higashitokorozawa, Tokorozawa, Saitama, Japan (所沢市東所沢所沢市)
5.3 km PM2.5: 3.8 µg/m³
69
Sunashinden, Kawagoe-shi, Saitama-ken, Japan (川越市高階川越市)
5.3 km PM2.5: 20.7 µg/m³
21
Sunashinden, Kawagoe-shi, Saitama-ken, Japan (川越市高階川越市)
5.3 km PM2.5: 5.0 µg/m³
60
Horigane, Sayama-shi, Saitama-ken, Japan (狭山狭山市)
6.4 km PM2.5: 16.4 µg/m³
25
Horigane, Sayama-shi, Saitama-ken, Japan (狭山狭山市)
6.4 km PM2.5: 6.0 µg/m³
17
Senbamachi, Kawagoe, Saitama, Japan (川越市仙波川越市)
6.6 km PM2.5: 4.1 µg/m³
15
Senbamachi, Kawagoe, Saitama, Japan (川越市仙波川越市)
6.6 km PM2.5: 3.6 µg/m³
28
Honda, Niiza-shi, Saitama-ken, Japan (新座新座市)
8.5 km PM2.5: 6.7 µg/m³

What cities are near Ōi?

18 Kamifukuoka 16 Miyoshidai 16 Niiza 22 Fujimino 16 Shiki 21 Kawagoe 16 Tokorozawa 16 Kiyose 39 Sashiōgi 16 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 2026-06-09T02:03 UTC.