Air Quality in Sōka, Japan

Windy
23.5°C · 63.0% humidity
23.5°
Feels 23.5°
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
57 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
26 4am
26
26
38 7am
35
32
30 10am
29
28
28 1pm
27
27
27 4pm
26
26
26 7pm
26
6
0 10pm
0
0
0 1am
0
0
Station readings
41
48
25
11
CAMS model adj -28
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
34
27
27
25
25
25
25
AD 728×90

Air Quality Index Trend

31h · 1 stn

Sōka'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. Current PM2.5 concentration in Sōka is 1.8× the WHO annual guideline of 5 µg/m³.

63.0%
Humidity
172.2 km/h
Wind S
999.5 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
38
9.17 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for Sōka?

Temperature & Precipitation

PM2.5 Trend

31h · 1 station
PM2.59.17 µg/m³ ✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (57 stations within 25 km)
9.17
Median
8.63
Average
3.6
Low
15.0
High
PM2.5 µg/m³ · Model: 16.35 · Bias: +7.2

What is the 7-day forecast for Sōka?

05-28
28.6° 15.9°
05-29
24.8° 20.0°
05-30
24.6° 19.9°
0.94 mm
05-31
26.4° 20.6°
0.19 mm
06-01
27.3° 21.3°
06-02
26.6° 21.3°
06-03
27.7° 22.7°
0.06 mm
Both models agree Avg diff: 2.8°C

Where are air quality stations near Sōka?

38
Hanaguri, Sōka-shi, Saitama-ken, Japan (草加市花栗自排草加市)
0.9 km PM2.5: 9.1 µg/m³
51
Higashikoshigaya, Koshigaya, Saitama, Japan (越谷市東越谷越谷市)
6.6 km PM2.5: 12.1 µg/m³
36
Higashikoshigaya, Koshigaya, Saitama, Japan (越谷市東越谷越谷市)
6.6 km PM2.5: 8.6 µg/m³
10
Chūōhonchō, Adachi-ku, Tōkyō-to, Japan (日光街道梅島足立区)
7.2 km PM2.5: 2.4 µg/m³
37
Chūōhonchō, Adachi-ku, Tōkyō-to, Japan (日光街道梅島足立区)
7.2 km PM2.5: 8.9 µg/m³
55
Kawaguchi (川口)
7.5 km PM2.5: 14.0 µg/m³
21
Kawaguchi (川口)
7.5 km PM2.5: 5.0 µg/m³
35
Misato, Misato-shi, Saitama-ken, Japan (三郷三郷市)
7.5 km PM2.5: 8.4 µg/m³
31
Misato, Misato-shi, Saitama-ken, Japan (三郷三郷市)
7.5 km PM2.5: 7.4 µg/m³
25
Mizumotokoen, Katsushika, Tokyo, Japan (葛飾区水元公園葛飾区)
8.4 km PM2.5: 6.0 µg/m³

What cities are near Sōka?

32 Toneri 23 Yashio 31 Takenotsuka 31 Hatogaya-honchō 31 Nishiarai 40 Koshigaya 30 Aoi 35 Yoshikawa 50 Misato, Saitama 31 Ōgi
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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 2026-05-28T22:51 UTC.