What is the air quality in Yorii today?

The current Air Quality Index (AQI) in Yorii is 25 (Good). PM2.5 concentration is 5.97 µg/m³.

What is the temperature in Yorii right now?

The current temperature in Yorii is 14.8°C (feels like 14.8°C). Humidity is 72.0% and wind speed is 23.5 km/h.

Is it safe to go outside in Yorii?

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

Air Quality in Yorii, Japan

Cloudy

14.8°C · 72.0% humidity

14.8°

Feels 14.8°

Good

Air quality is satisfactory. Enjoy outdoor activities.

8 stations

Nearby Monitoring Stations

AQI Forecast

— 2pm

—

— 5pm

—

— 8pm

—

— 11pm

—

— 2am

—

— 5am

—

— 8am

—

— 11am

—

Air Quality Index Trend

45h · 39 stn

View full history →

Yorii'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.

72.0%

Humidity

23.5 km/h

Wind ESE

1021.7 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

5.97 µg/m³

PM10▲

54.9 µg/m³

050100150200300500

What is the weather forecast for Yorii?

Temperature & Precipitation

PM2.5 Trend

45h · 39 stations

PM2.55.97 µg/m³ ✓ WHO

Good

PM1054.9 µg/m³

Moderate

UV INDEX0.0

Low

Station readings (8 stations within 25 km)

5.97

Median

6.85

Average

3.1

Low

15.0

High

PM2.5 µg/m³ · Model: 27.1 · Bias: +21.1

What is the 7-day forecast for Yorii?

10-21

18.1° 14.2°

10-22

21.0° 15.1°

0.13 mm

10-23

20.8° 12.1°

10-24

18.9° 15.5°

0.25 mm

10-25

18.0° 11.6°

4.19 mm

10-26

20.0° 11.9°

10-27

16.6° 13.0°

0.13 mm

Both models agree Avg diff: 3.2°C

Where are air quality stations near Yorii?

Minano, Saitama-ken, Japan (皆野秩父郡皆野町)

9.9 km PM2.5: 4.3 µg/m³

Shiroishi, Saitama Prefecture, Japan (東秩父秩父郡東秩父村)

11.0 km PM2.5: 7.0 µg/m³

Kodamachō Takazeki, Honjō-shi, Saitama-ken, Japan (本庄児玉本庄市)

11.8 km PM2.5: 5.0 µg/m³

Matsuyama, Higashimatsuyama, Saitama Prefecture, Japan (東松山岩鼻自排東松山市)

20.6 km PM2.5: 3.1 µg/m³

Menumahigashi, Kumagaya-shi, Saitama-ken, Japan (熊谷妻沼東熊谷市)

20.6 km PM2.5: 3.1 µg/m³

Iwai, Saitama Prefecture, Japan (毛呂山入間郡毛呂山町)

21.3 km PM2.5: 15.0 µg/m³

Ashiyamachō, Sakado-shi, Saitama-ken, Japan (坂戸坂戸市)

24.5 km PM2.5: 12.0 µg/m³

Nagano, Gyōda-shi, Saitama-ken, Japan (行田行田市)

24.8 km PM2.5: 5.3 µg/m³

Iidacho, Ota, Gunma, Japan (太田市立中央小学校太田市)

25.7 km PM2.5: 13.1 µg/m³

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

27.4 km PM2.5: 3.1 µg/m³

What cities are near Yorii?

31 Ogawamachi 21 Kodamachō-kodamaminami 25 Fukayachō 33 Ranzan 22 Honjō 21 Ishigami 29 Yamata 27 Chichibu 30 Sakai-nakajima 33 Kumagaya

Get AQI alerts for Yorii

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 2026-10-21T08:29 UTC.