Air Quality in Sōka, Japan

Rain
23.6°C · 87.1% humidity
23.6°
Feels 23.6°
63
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
43 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
70 6am
69
52
63 9am
48
46
44 12pm
43
42
41 3pm
41
53
53 6pm
52
52
52 9pm
69
70
70 12am
132
132
132 3am
132
132
Station readings
10
CAMS model adj -14
84
83
66
66
54
54
54
54
54
54
54
66
66
66
66
66
83
84
84
146
146
146
146
146
AD 728×90

Air Quality Index Trend

6h · 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 1.2× the WHO 24-hour guideline of 15 µg/m³.

87.1%
Humidity
63.6 km/h
Wind NNW
1002.4 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
63
17.63 µg/m³
PM10
44
48.05 µg/m³
050100150200300500

What is the weather forecast for Sōka?

Temperature & Precipitation

PM2.5 Trend

6h · 1 station
PM2.517.63 µg/m³ ×1.2 WHO
Moderate
PM1048.05 µg/m³
Good
UV INDEX14.9
Extreme
AD 300×250
Station readings (43 stations within 25 km)
17.63
Median
17.0
Average
3.8
Low
26.0
High
PM2.5 µg/m³ · Model: 23.15 · Bias: +5.5

What is the 7-day forecast for Sōka?

07-22
29.8° 23.6°
5.38 mm
07-23
28.0° 22.2°
0.75 mm
07-24
28.9° 24.4°
1.06 mm
07-25
31.9° 23.3°
0.06 mm
07-26
30.0° 24.7°
0.19 mm
07-27
32.5° 24.9°
6.06 mm
07-28
29.4° 26.0°
13.88 mm
Both models agree Avg diff: 2.7°C

Where are air quality stations near Sōka?

47
Hanaguri, Sōka-shi, Saitama-ken, Japan (草加市花栗自排草加市)
0.9 km PM2.5: 11.3 µg/m³
18
Higashikoshigaya, Koshigaya, Saitama, Japan (越谷市東越谷越谷市)
6.6 km PM2.5: 4.3 µg/m³
25
Higashikoshigaya, Koshigaya, Saitama, Japan (越谷市東越谷越谷市)
6.6 km PM2.5: 6.0 µg/m³
26
Chūōhonchō, Adachi-ku, Tōkyō-to, Japan (日光街道梅島足立区)
7.2 km PM2.5: 6.2 µg/m³
11
Chūōhonchō, Adachi-ku, Tōkyō-to, Japan (日光街道梅島足立区)
7.2 km PM2.5: 2.6 µg/m³
81
Kawaguchi (川口)
7.5 km PM2.5: 26.4 µg/m³
55
Kawaguchi (川口)
7.5 km PM2.5: 14.0 µg/m³
28
Misato, Misato-shi, Saitama-ken, Japan (三郷三郷市)
7.5 km PM2.5: 6.7 µg/m³
53
Misato, Misato-shi, Saitama-ken, Japan (三郷三郷市)
7.5 km PM2.5: 13.1 µg/m³
35
Mizumotokoen, Katsushika, Tokyo, Japan (葛飾区水元公園葛飾区)
8.4 km PM2.5: 8.4 µg/m³

What cities are near Sōka?

61 Toneri 63 Yashio 64 Takenotsuka 60 Hatogaya-honchō 63 Nishiarai 46 Koshigaya 68 Aoi 58 Yoshikawa 65 Misato, Saitama 61 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 2026-07-22T00:21 UTC.