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
40 9am
40
60
14 12pm
27
36
43 3pm
48
51
54 6pm
56
37
38 9pm
38
39
39 12am
39
33
33 3am
33
33
33 6am
40
40
Station readings 17h ago
AQI 52
PM2.5 12.6 µg/m³ · 17h ago
CAMS model adj +6
34
34
54
54
54
54
54
54
54
54
54
34
34
34
34
34
34
27
27
27
27
27
34
34
AD 728×90

Air Quality Index Trend

44h · 62 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.

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
14
3.29 µg/m³
PM10▲
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Yachiyo?

Temperature & Precipitation

PM2.5 Trend

44h · 62 stations
PM2.53.29 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
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?

34
Shimotsumaotsu, Shimotsuma-shi, Ibaraki-ken, Japan (下妻下妻市)
6.2 km PM2.5: 8.2 µg/m³
38
Shimoono, Koga, Ibaraki, Japan (古河市役所古河市)
13.1 km PM2.5: 9.1 µg/m³
25
Marubayashi, Tochigi, Japan (野木町役場下都賀郡野木町)
14.4 km PM2.5: 6.0 µg/m³
34
Kirigasaku, Noda, Chiba, Japan (野田桐ケ作野田市)
16.5 km PM2.5: 8.2 µg/m³
30
Kirigasaku, Noda, Chiba, Japan (野田桐ケ作野田市)
16.5 km PM2.5: 7.2 µg/m³
14
Mitsukaido Morishitamachi, Joso, Ibaraki, Japan (常総保健所常総市)
18.8 km PM2.5: 3.4 µg/m³
25
Mitsukaido Morishitamachi, Joso, Ibaraki, Japan (常総保健所常総市)
18.8 km PM2.5: 6.0 µg/m³
18
Honcho, Kuki, Saitama, Japan (久喜本町自排久喜市)
23.2 km PM2.5: 4.3 µg/m³
25
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: 6.0 µg/m³
58
Hirayanagimachi, Tochigi, Tochigi, Japan (栃木市平柳町交差点栃木市)
26.8 km PM2.5: 15.4 µg/m³

What cities are near Yachiyo?

13 Shimo-tsuma 17 Ishige 33 Sakai 26 Bandō 20 Yūki 26 Iwai 20 Nogi 16 Oyama 20 Shimodate 19 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 2026-08-08T03:05 UTC.