Air Quality in Ranzan, Japan

Drizzle
25.6°C · 42.3% humidity
25.6°
Feels 25.6°
33
Good
Air quality is satisfactory. Enjoy outdoor activities.
13 stations

Nearby Monitoring Stations

AQI Forecast
27 10am
27
27
33 1pm
31
37
36 4pm
56
55
55 7pm
67
66
66 10pm
66
66
54 1am
54
54
54 4am
54
34
27 7am
27
34
AD 728×90

Air Quality Index Trend

47h · 1 stn

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.

42.3%
Humidity
34.5 km/h
Wind SSE
1014.0 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
33
7.87 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Ranzan?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.57.87 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX24.9
Extreme
AD 300×250
Station readings (13 stations within 25 km)
7.87
Median
8.39
Average
5.0
Low
12.0
High
PM2.5 µg/m³ · Model: 6.5 · Bias: -1.4

What is the 7-day forecast for Ranzan?

05-30
25.6° 17.5°
1.19 mm
05-31
27.7° 20.4°
0.13 mm
06-01
28.9° 21.0°
06-02
28.1° 19.8°
06-03
29.6° 23.0°
0.25 mm
06-04
28.6° 16.4°
5.38 mm
06-05
30.5° 20.6°
0.13 mm
Both models agree Avg diff: 4.0°C

Where are air quality stations near Ranzan?

34
Ōtsuka, Saitama-ken, Japan (小川比企郡小川町)
4.8 km PM2.5: 8.2 µg/m³
28
Ōtsuka, Saitama-ken, Japan (小川比企郡小川町)
4.8 km PM2.5: 6.7 µg/m³
10
Matsuyama, Higashimatsuyama, Saitama Prefecture, Japan (東松山岩鼻自排東松山市)
8.5 km PM2.5: 2.4 µg/m³
21
Matsuyama, Higashimatsuyama, Saitama Prefecture, Japan (東松山岩鼻自排東松山市)
8.5 km PM2.5: 5.0 µg/m³
28
Goryocho, Higashimatsuyama, Saitama, Japan (東松山東松山市)
9.4 km PM2.5: 6.7 µg/m³
44
Goryocho, Higashimatsuyama, Saitama, Japan (東松山東松山市)
9.4 km PM2.5: 10.6 µg/m³
20
Iwai, Saitama Prefecture, Japan (毛呂山入間郡毛呂山町)
11.5 km PM2.5: 4.8 µg/m³
34
Iwai, Saitama Prefecture, Japan (毛呂山入間郡毛呂山町)
11.5 km PM2.5: 8.2 µg/m³
12
Ashiyamachō, Sakado-shi, Saitama-ken, Japan (坂戸坂戸市)
12.1 km PM2.5: 2.9 µg/m³
28
Ashiyamachō, Sakado-shi, Saitama-ken, Japan (坂戸坂戸市)
12.1 km PM2.5: 6.7 µg/m³

What cities are near Ranzan?

33 Ogawamachi 34 Yamata 22 Higashi-Matsuyama 45 Kumagaya 34 Yorii 25 Sakado 40 Fukiage-fujimi 26 Tsurugashima 30 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 2026-05-30T04:07 UTC.