Air Quality in Yachiyo, Japan

Windy
23.3°C · 63.9% humidity
23.3°
Feels 23.3°
35
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast
27 4am
27
27
35 7am
34
34
34 10am
34
54
54 1pm
54
54
54 4pm
54
54
54 7pm
54
34
54 10pm
54
54
27 1am
27
25
AD 728×90

Air Quality Index Trend

47h · 55 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 1.7× the WHO annual guideline of 5 µg/m³.

63.9%
Humidity
116.3 km/h
Wind S
997.3 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
35
8.29 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Yachiyo?

Temperature & Precipitation

PM2.5 Trend

47h · 55 stations
PM2.58.29 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
Station readings (4 stations within 25 km)
8.29
Median
7.85
Average
6.0
Low
9.6
High
PM2.5 µg/m³ · Model: 10.85 · Bias: +2.6

What is the 7-day forecast for Yachiyo?

05-28
32.0° 16.6°
05-29
25.8° 20.3°
0.38 mm
05-30
26.3° 19.2°
2.25 mm
05-31
28.6° 20.9°
0.13 mm
06-01
28.4° 21.3°
06-02
27.3° 20.6°
06-03
29.9° 24.1°
0.31 mm
Both models agree Avg diff: 3.2°C

Where are air quality stations near Yachiyo?

64
Shimotsumaotsu, Shimotsuma-shi, Ibaraki-ken, Japan (下妻下妻市)
6.2 km PM2.5: 18.3 µg/m³
17
Shimotsumaotsu, Shimotsuma-shi, Ibaraki-ken, Japan (下妻下妻市)
6.2 km PM2.5: 4.1 µg/m³
21
Shimoono, Koga, Ibaraki, Japan (古河市役所古河市)
13.1 km PM2.5: 5.0 µg/m³
70
Kirigasaku, Noda, Chiba, Japan (野田桐ケ作野田市)
16.5 km PM2.5: 21.1 µg/m³
34
Mitsukaido Morishitamachi, Joso, Ibaraki, Japan (常総保健所常総市)
18.8 km PM2.5: 8.2 µg/m³
8
Honcho, Kuki, Saitama, Japan (久喜本町自排久喜市)
23.2 km PM2.5: 1.9 µg/m³
38
Gakuendai, Saitama-ken, Japan (宮代南埼玉郡宮代町)
23.7 km PM2.5: 9.1 µg/m³
30
Irifunecho, Tochigi, Tochigi, Japan (栃木市役所栃木市)
26.4 km PM2.5: 7.2 µg/m³
21
Yahara, Kasukabe-shi, Saitama-ken, Japan (春日部春日部市)
26.7 km PM2.5: 5.0 µg/m³
35
Yahara, Kasukabe-shi, Saitama-ken, Japan (春日部春日部市)
26.7 km PM2.5: 8.4 µg/m³

What cities are near Yachiyo?

36 Shimo-tsuma 34 Ishige 31 Sakai 30 Bandō 34 Yūki 32 Iwai 32 Nogi 32 Oyama 36 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 2026-05-28T22:53 UTC.