Air Quality in Yachiyo, Japan
Cloudy
25.1°C · 77.9% humidity
25.1°
Feels 25.1°
14
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
AQI Forecast
Calibrated
33
8am
40
40
14
11am
27
36
43
2pm
48
51
54
5pm
56
57
38
8pm
38
39
39
11pm
39
40
33
2am
33
33
33
5am
33
40
Station readings
16h ago
AQI 52
PM2.5 12.6 µg/m³ · 16h ago
CAMS model
adj +6
27
34
34
54
54
54
54
54
54
54
54
54
34
34
34
34
34
34
27
27
27
27
27
34
Air Quality Index Trend
43h · 58 stnYachiyo'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.
77.9%
Humidity
20.3 km/h
Wind ESE
1009.6 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
3.29 µg/m³
PM10▲
20.55 µg/m³
050100150200300500
What is the weather forecast for Yachiyo?
Temperature & Precipitation
PM2.5 Trend
43h · 58 stationsPM2.53.29 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX4.4
Moderate
Station readings (2 stations within 25 km)
3.29
Median
3.6
Average
3.1
Low
4.1
High
PM2.5 µg/m³ · Model: 8.2 · Bias: +4.9
What is the 7-day forecast for Yachiyo?
08-03
27.3° 21.8°
11.81 mm
08-04
35.9° 24.6°
4.69 mm
08-05
31.9° 24.7°
5.94 mm
08-06
30.5° 25.5°
18.94 mm
08-07
37.7° 24.6°
5.19 mm
08-08
32.4° 26.5°
50.25 mm
08-09
34.0° 22.2°
0.44 mm
Both models agree
Avg diff: 3.0°C
Where are air quality stations near Yachiyo?
9
Shimotsumaotsu, Shimotsuma-shi, Ibaraki-ken, Japan (下妻下妻市)
34
Kirigasaku, Noda, Chiba, Japan (野田桐ケ作野田市)
25
Satte, Satte, Saitama, Japan (幸手幸手市)
25
Mitsukaido Morishitamachi, Joso, Ibaraki, Japan (常総保健所常総市)
30
Tanaka, Shimono, Tochigi, Japan (下野市南河内庁舎下野市)
41
Honcho, Kuki, Saitama, Japan (久喜本町自排久喜市)
21
Gakuendai, Saitama-ken, Japan (宮代南埼玉郡宮代町)
59
Fujiokamachiko, Tochigi, Tochigi, Japan (栃木市藤岡総合文化センター栃木市)
8
Yahara, Kasukabe-shi, Saitama-ken, Japan (春日部春日部市)
46
Hirayanagimachi, Tochigi, Tochigi, Japan (栃木市平柳町交差点栃木市)
What cities are near Yachiyo?
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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 2026-08-08T02:01 UTC.