Air Quality in Yashio, Japan

Rain
23.6°C · 87.1% humidity
23.6°
Feels 23.6°
62
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
55 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
69 5am
69
69
62 8am
52
53
54 11am
55
56
56 2pm
56
57
69 5pm
69
57
57 8pm
57
69
69 11pm
69
69
86 2am
86
87
Station readings
10
CAMS model adj +3
66
66
66
66
54
54
54
54
54
54
54
54
66
66
54
54
54
66
66
66
66
83
83
84
AD 728×90

Air Quality Index Trend

6h · 1 stn

Yashio'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 Yashio is 1.1× the WHO 24-hour guideline of 15 µg/m³.

87.1%
Humidity
63.6 km/h
Wind NNW
1002.4 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
62
17.24 µg/m³
PM10
44
48.05 µg/m³
050100150200300500

What is the weather forecast for Yashio?

Temperature & Precipitation

PM2.5 Trend

6h · 1 station
PM2.517.24 µg/m³ ×1.1 WHO
Moderate
PM1048.05 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (55 stations within 25 km)
17.24
Median
14.83
Average
0.5
Low
24.0
High
PM2.5 µg/m³ · Model: 23.15 · Bias: +5.9
Both models agree Avg diff: 2.7°C

Where are air quality stations near Yashio?

53
Misato, Misato-shi, Saitama-ken, Japan (三郷三郷市)
4.6 km PM2.5: 13.1 µg/m³
28
Misato, Misato-shi, Saitama-ken, Japan (三郷三郷市)
4.6 km PM2.5: 6.7 µg/m³
47
Hanaguri, Sōka-shi, Saitama-ken, Japan (草加市花栗自排草加市)
4.8 km PM2.5: 11.3 µg/m³
35
Mizumotokoen, Katsushika, Tokyo, Japan (葛飾区水元公園葛飾区)
4.9 km PM2.5: 8.4 µg/m³
53
Mizumotokoen, Katsushika, Tokyo, Japan (葛飾区水元公園葛飾区)
4.9 km PM2.5: 13.1 µg/m³
11
Chūōhonchō, Adachi-ku, Tōkyō-to, Japan (日光街道梅島足立区)
6.4 km PM2.5: 2.6 µg/m³
26
Chūōhonchō, Adachi-ku, Tōkyō-to, Japan (日光街道梅島足立区)
6.4 km PM2.5: 6.2 µg/m³
53
Heiwadai, Nagareyama-shi, Chiba-ken, Japan (流山平和台流山市)
7.0 km PM2.5: 13.1 µg/m³
46
Heiwadai, Nagareyama-shi, Chiba-ken, Japan (流山平和台流山市)
7.0 km PM2.5: 11.0 µg/m³
80
Nemoto, Matsudo, Chiba, Japan (松戸根本松戸市)
7.0 km PM2.5: 25.9 µg/m³

What cities are near Yashio?

48 Sōka 54 Misato, Saitama 56 Takenotsuka 53 Minaminagareyama 58 Aoi 55 Toneri 44 Nagareyama 58 Kanamachi 56 Nishiarai 59 Adachi
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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 2026-07-21T23:15 UTC.