Air Quality in Yashio, Japan

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

Nearby Monitoring Stations

AQI Forecast Calibrated
69 6am
69
69
63 9am
61
60
59 12pm
59
58
58 3pm
58
69
69 6pm
57
57
57 9pm
69
69
69 12am
69
86
86 3am
87
87
Station readings
10
CAMS model adj +3
66
66
66
54
54
54
54
54
54
54
54
66
66
54
54
54
66
66
66
66
83
83
84
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 1.2× the WHO 24-hour guideline of 15 µg/m³.

87.1%
Humidity
63.6 km/h
Wind NNW
1002.4 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
63
17.82 µg/m³
PM10
38
41.15 µg/m³
050100150200300500

What is the weather forecast for Yashio?

Temperature & Precipitation

PM2.5 Trend

6h · 1 station
PM2.517.82 µg/m³ ×1.2 WHO
Moderate
PM1041.15 µg/m³
Good
UV INDEX17.4
Extreme
AD 300×250
Station readings (41 stations within 25 km)
17.82
Median
17.4
Average
3.8
Low
26.0
High
PM2.5 µg/m³ · Model: 20.3 · Bias: +2.5

What is the 7-day forecast for Yashio?

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 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?

63 Sōka 65 Misato, Saitama 64 Takenotsuka 66 Minaminagareyama 68 Aoi 61 Toneri 68 Nagareyama 65 Kanamachi 63 Nishiarai 67 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 2026-07-22T00:20 UTC.