Air Quality in Yachiyo, Japan

Rain
24.1°C · 95.4% humidity
24.1°
Feels 24.1°
58
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
39 stations

Nearby Monitoring Stations

AQI Forecast
84 5am
84
83
58 8am
60
62
63 11am
64
81
82 2pm
82
82
83 5pm
66
66
66 8pm
66
66
66 11pm
66
83
83 2am
83
83
AD 728×90

Air Quality Index Trend

47h · 50 stn

Yachiyo'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 Yachiyo is 1.0× the WHO 24-hour guideline of 15 µg/m³.

95.4%
Humidity
16.7 km/h
Wind W
1002.0 hPa
Pressure
9.4
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
58
15.57 µg/m³
PM10
38
41.2 µg/m³
050100150200300500

What is the weather forecast for Yachiyo?

Temperature & Precipitation

PM2.5 Trend

47h · 50 stations
PM2.515.57 µg/m³ ✓ WHO
Moderate
PM1041.2 µg/m³
Good
UV INDEX9.4
Very High
AD 300×250
Station readings (39 stations within 25 km)
15.57
Median
17.64
Average
7.0
Low
24.9
High
PM2.5 µg/m³ · Model: 19.2 · Bias: +3.6

What is the 7-day forecast for Yachiyo?

07-21
31.4° 24.6°
1.06 mm
07-22
28.9° 24.1°
6.62 mm
07-23
27.9° 20.5°
1.5 mm
07-24
28.2° 24.4°
1.81 mm
07-25
32.7° 22.0°
0.25 mm
07-26
30.0° 21.6°
0.19 mm
07-27
29.3° 23.5°
1.31 mm
Both models agree Avg diff: 2.7°C

Where are air quality stations near Yachiyo?

57
Takazu, Yachiyo-shi, Chiba-ken, Japan (八千代高津八千代市)
4.4 km PM2.5: 15.0 µg/m³
80
Takabana, Inzai, Chiba, Japan (印西高花印西市)
6.7 km PM2.5: 25.9 µg/m³
61
Takabana, Inzai, Chiba, Japan (印西高花印西市)
6.7 km PM2.5: 16.9 µg/m³
68
Ebara Shinden, Sakura, Chiba, Japan (佐倉江原新田佐倉市)
7.4 km PM2.5: 20.2 µg/m³
57
Takanedai, Funabashi, Chiba, Japan (船橋高根台船橋市)
7.5 km PM2.5: 15.0 µg/m³
59
Takanedai, Funabashi, Chiba, Japan (船橋高根台船橋市)
7.5 km PM2.5: 15.9 µg/m³
18
Takanedai, Funabashi, Chiba, Japan (船橋高根台船橋市)
7.5 km PM2.5: 4.3 µg/m³
53
Shikawatashi, Yotsukaido, Chiba, Japan (四街道鹿渡四街道市)
8.6 km PM2.5: 13.1 µg/m³
55
Shikawatashi, Yotsukaido, Chiba, Japan (四街道鹿渡四街道市)
8.6 km PM2.5: 14.0 µg/m³
70
Saginumadai, Narashino, Chiba, Japan (習志野鷺沼習志野市)
10.2 km PM2.5: 21.1 µg/m³

What cities are near Yachiyo?

64 Shiroi 63 Narashino 69 Sakura 64 Yotsukaidō 65 Inzai 64 Makuhari 63 Kamagaya 64 Fukawa 68 Shisui 63 Honchō
Get AQI alerts for Yachiyo

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T23:16 UTC.