Air Quality in Yachiyo, Japan

Drizzle
22.3°C · 90.2% humidity
22.3°
Feels 22.3°
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
7 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
17 5pm
17
17
28 8pm
25
22
20 11pm
19
19
17 2am
17
17
16 5am
16
17
17 8am
17
26
26 11am
26
46
46 2pm
46
46
Station readings 11h ago
AQI 16
PM2.5 3.8 µg/m³ · 11h ago
AD 728×90

Air Quality Index Trend

45h · 52 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.

90.2%
Humidity
33.5 km/h
Wind NNE
1010.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
28
6.58 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Yachiyo?

Temperature & Precipitation

PM2.5 Trend

45h · 52 stations
PM2.56.58 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (7 stations within 25 km)
6.58
Median
6.49
Average
3.1
Low
17.3
High
PM2.5 µg/m³ · Model: 6.15 · Bias: -0.4

What is the 7-day forecast for Yachiyo?

09-05
28.0° 20.3°
14.94 mm
09-06
29.2° 22.1°
3.88 mm
09-07
31.2° 22.5°
0.06 mm
09-08
28.7° 21.9°
6.5 mm
09-09
27.6° 21.9°
4.69 mm
09-10
28.3° 22.9°
6.44 mm
09-11
32.2° 22.8°
4.94 mm
Both models agree Avg diff: 3.4°C

Where are air quality stations near Yachiyo?

9
Shimotsumaotsu, Shimotsuma-shi, Ibaraki-ken, Japan (下妻下妻市)
6.2 km PM2.5: 2.2 µg/m³
50
Shimotsumaotsu, Shimotsuma-shi, Ibaraki-ken, Japan (下妻下妻市)
6.2 km PM2.5: 12.0 µg/m³
17
Shimoono, Koga, Ibaraki, Japan (古河市役所古河市)
13.1 km PM2.5: 4.1 µg/m³
17
Marubayashi, Tochigi, Japan (野木町役場下都賀郡野木町)
14.4 km PM2.5: 4.1 µg/m³
21
Marubayashi, Tochigi, Japan (野木町役場下都賀郡野木町)
14.4 km PM2.5: 5.0 µg/m³
21
Kirigasaku, Noda, Chiba, Japan (野田桐ケ作野田市)
16.5 km PM2.5: 5.0 µg/m³
13
Kirigasaku, Noda, Chiba, Japan (野田桐ケ作野田市)
16.5 km PM2.5: 3.1 µg/m³
17
Kirigasaku, Noda, Chiba, Japan (野田桐ケ作野田市)
16.5 km PM2.5: 4.1 µg/m³
30
Satte, Satte, Saitama, Japan (幸手幸手市)
18.6 km PM2.5: 7.2 µg/m³
34
Satte, Satte, Saitama, Japan (幸手幸手市)
18.6 km PM2.5: 8.2 µg/m³

What cities are near Yachiyo?

28 Shimo-tsuma 23 Ishige 22 Sakai 20 Bandō 34 Yūki 20 Iwai 60 Nogi 39 Oyama 32 Shimodate 23 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 2026-09-05T11:16 UTC.