What is the air quality in Ōi today?

The current Air Quality Index (AQI) in Ōi is 42 (Good). PM2.5 concentration is 10.04 µg/m³.

What is the temperature in Ōi right now?

The current temperature in Ōi is 15.3°C (feels like 15.3°C). Humidity is 75.2% and wind speed is 39.3 km/h.

Is it safe to go outside in Ōi?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Ōi, Japan

Drizzle

15.3°C · 75.2% humidity

15.3°

Feels 15.3°

Good

Air quality is satisfactory. Enjoy outdoor activities.

23 stations

Nearby Monitoring Stations

AQI Forecast

— 12pm

—

— 3pm

—

— 6pm

—

— 9pm

—

— 12am

—

— 3am

—

— 6am

—

— 9am

—

Station readings 7h ago

AQI 69

PM2.5 20.6 µg/m³ · 7h ago

Air Quality Index Trend

40h · 1 stn

View full history →

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.

75.2%

Humidity

39.3 km/h

Wind N

1021.6 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

10.04 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Ōi?

Temperature & Precipitation

PM2.5 Trend

40h · 1 station

PM2.510.04 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (23 stations within 25 km)

10.04

Median

7.48

Average

2.4

Low

21.1

High

PM2.5 µg/m³ · Model: 5.8 · Bias: -4.2

What is the 7-day forecast for Ōi?

10-21

21.6° 15.3°

0.75 mm

10-22

23.3° 18.1°

0.06 mm

10-23

22.5° 15.7°

10-24

21.9° 16.8°

0.94 mm

10-25

19.8° 14.2°

5.63 mm

10-26

20.7° 15.0°

10-27

19.2° 15.1°

0.25 mm

Both models agree Avg diff: 3.0°C

Where are air quality stations near Ōi?

Senbamachi, Kawagoe, Saitama, Japan (川越市仙波川越市)

6.6 km PM2.5: 14.0 µg/m³

Senbamachi, Kawagoe, Saitama, Japan (川越市仙波川越市)

6.6 km PM2.5: 21.1 µg/m³

Honda, Niiza-shi, Saitama-ken, Japan (新座新座市)

8.5 km PM2.5: 9.1 µg/m³

Miyashitamachi, Kawagoe, Saitama, Japan (川越市川越川越市)

9.1 km PM2.5: 14.0 µg/m³

Azumacho, Iruma, Saitama, Japan (入間入間市)

11.3 km PM2.5: 15.0 µg/m³

Bijogi, Toda, Saitama, Japan (戸田美女木自排戸田市)

11.5 km PM2.5: 9.1 µg/m³

Shimohoya, Nishitokyo, Tokyo, Japan (西東京市下保谷西東京市)

11.7 km PM2.5: 9.1 µg/m³

Shimohoya, Nishitokyo, Tokyo, Japan (西東京市下保谷西東京市)

11.7 km PM2.5: 4.1 µg/m³

Miyaharacho, Saitama, Japan (さいたま市宮原さいたま市北区)

13.6 km PM2.5: 9.1 µg/m³

Ōtagaya, Tsurugashima-shi, Saitama-ken, Japan (鶴ヶ島自排鶴ヶ島市)

14.2 km PM2.5: 2.4 µg/m³

What cities are near Ōi?

51 Kamifukuoka 35 Miyoshidai 33 Niiza 54 Fujimino 32 Shiki 59 Kawagoe 32 Tokorozawa 32 Kiyose 38 Sashiōgi 29 Akitsu

Get AQI alerts for Ōi

Notify me when air quality reaches:

ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-10-21T06:02 UTC.