Air Quality in Yachiyo, Japan

Drizzle
15.6°C · 70.6% humidity
15.6°
Feels 15.6°
56
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
4 stations

Nearby Monitoring Stations

AQI Forecast
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Station readings 48h ago
AQI 49
PM2.5 11.8 µg/m³ · 48h ago

Air Quality Index Trend

45h · 33 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.

70.6%
Humidity
24.9 km/h
Wind NE
1021.7 hPa
Pressure
0.0
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
56
14.71 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Yachiyo?

Temperature & Precipitation

PM2.5 Trend

45h · 33 stations
PM2.514.71 µg/m³ ✓ WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX0.0
Low
Station readings (4 stations within 25 km)
14.71
Median
9.8
Average
2.9
Low
18.3
High
PM2.5 µg/m³ · Model: 6.5 · Bias: -8.2

What is the 7-day forecast for Yachiyo?

10-21
21.3° 15.6°
0.56 mm
10-22
23.2° 16.7°
0.44 mm
10-23
21.6° 14.5°
10-24
21.2° 17.0°
0.13 mm
10-25
19.5° 13.4°
3.94 mm
10-26
21.5° 13.2°
10-27
18.3° 15.1°
0.5 mm
Both models agree Avg diff: 3.0°C

Where are air quality stations near Yachiyo?

68
Shimotsumaotsu, Shimotsuma-shi, Ibaraki-ken, Japan (下妻下妻市)
6.2 km PM2.5: 20.2 µg/m³
46
Shimoono, Koga, Ibaraki, Japan (古河市役所古河市)
13.1 km PM2.5: 11.0 µg/m³
46
Kirigasaku, Noda, Chiba, Japan (野田桐ケ作野田市)
16.5 km PM2.5: 11.0 µg/m³
13
Mitsukaido Morishitamachi, Joso, Ibaraki, Japan (常総保健所常総市)
18.8 km PM2.5: 3.1 µg/m³
3
Tanaka, Shimono, Tochigi, Japan (下野市南河内庁舎下野市)
22.5 km PM2.5: 0.7 µg/m³
19
Tanaka, Shimono, Tochigi, Japan (下野市南河内庁舎下野市)
22.5 km PM2.5: 4.6 µg/m³
30
Fujiokamachiko, Tochigi, Tochigi, Japan (栃木市藤岡総合文化センター栃木市)
25.7 km PM2.5: 7.2 µg/m³
30
Hirayanagimachi, Tochigi, Tochigi, Japan (栃木市平柳町交差点栃木市)
26.8 km PM2.5: 7.2 µg/m³
34
Nakamuraminami, Tsuchiura-shi, Ibaraki-ken, Japan (土浦中村南土浦市)
29.2 km PM2.5: 8.2 µg/m³
42
Nakamuraminami, Tsuchiura-shi, Ibaraki-ken, Japan (土浦中村南土浦市)
29.2 km PM2.5: 10.1 µg/m³

What cities are near Yachiyo?

64 Shimo-tsuma 46 Ishige 39 Sakai 39 Bandō 42 Yūki 36 Iwai 40 Nogi 57 Oyama 42 Shimodate 34 Koga
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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 2026-10-21T06:04 UTC.