What is the air quality in Ranzan today?

The current Air Quality Index (AQI) in Ranzan is 36 (Good). PM2.5 concentration is 8.73 µg/m³.

What is the temperature in Ranzan right now?

The current temperature in Ranzan is 15.8°C (feels like 15.8°C). Humidity is 70.1% and wind speed is 18.0 km/h.

Is it safe to go outside in Ranzan?

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

Air Quality in Ranzan, Japan

Drizzle

15.8°C · 70.1% humidity

15.8°

Feels 15.8°

Good

Air quality is satisfactory. Enjoy outdoor activities.

13 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

45h · 23 stn

View full history →

Ranzan'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.

70.1%

Humidity

18.0 km/h

Wind SE

1021.7 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

8.73 µg/m³

PM10▲

41.2 µg/m³

050100150200300500

What is the weather forecast for Ranzan?

Temperature & Precipitation

PM2.5 Trend

45h · 23 stations

PM2.58.73 µg/m³ ✓ WHO

Good

PM1041.2 µg/m³

Good

UV INDEX0.0

Low

Station readings (13 stations within 25 km)

8.73

Median

9.79

Average

2.4

Low

21.1

High

PM2.5 µg/m³ · Model: 19.2 · Bias: +10.5

What is the 7-day forecast for Ranzan?

10-21

19.7° 15.8°

0.19 mm

10-22

22.7° 16.3°

0.06 mm

10-23

21.8° 14.0°

10-24

20.4° 16.9°

0.31 mm

10-25

19.3° 13.1°

4.63 mm

10-26

21.6° 13.5°

10-27

17.8° 14.3°

Both models agree Avg diff: 2.9°C

Where are air quality stations near Ranzan?

Goryocho, Higashimatsuyama, Saitama, Japan (東松山東松山市)

9.4 km PM2.5: 4.8 µg/m³

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

11.5 km PM2.5: 12.0 µg/m³

Yorii, Saitama, Japan (寄居大里郡寄居町)

13.3 km PM2.5: 15.0 µg/m³

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

13.5 km PM2.5: 5.0 µg/m³

Uwanodai, Fukaya, Saitama, Japan (深谷深谷市)

14.9 km PM2.5: 7.9 µg/m³

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

15.6 km PM2.5: 2.4 µg/m³

Nakakayama, Hidaka, Saitama, Japan (日高日高市)

18.2 km PM2.5: 13.1 µg/m³

Chuo, Konosu, Saitama, Japan (鴻巣鴻巣市)

18.7 km PM2.5: 13.1 µg/m³

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

21.0 km PM2.5: 14.0 µg/m³

Kamitanadare, Kazo-shi, Saitama-ken, Japan (環境科学国際センター加須市)

22.3 km PM2.5: 4.8 µg/m³

What cities are near Ranzan?

37 Ogawamachi 38 Yamata 20 Higashi-Matsuyama 47 Kumagaya 57 Yorii 24 Sakado 43 Fukiage-fujimi 25 Tsurugashima 46 Morohongō 33 Ōgushi

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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 2026-10-21T06:02 UTC.