Air Quality in Yokkaichi, Japan
Rain
17.8°C · 96.7% humidity
17.8°
Feels 17.8°
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations
Nearby Monitoring Stations
Yokkaichi's air quality — share it
AQI Forecast
54
6am
54
66
28
9am
44
38
46
12pm
52
56
59
3pm
61
62
51
6pm
52
53
65
9pm
53
53
54
12am
54
54
54
3am
54
54
Air Quality Index Trend
47h · 11 stnYokkaichi'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 Yokkaichi is 1.4× the WHO annual guideline of 5 µg/m³.
96.7%
Humidity
26.8 km/h
Wind NE
1003.9 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
6.85 µg/m³
PM10▲
79.9 µg/m³
050100150200300500
What is the weather forecast for Yokkaichi?
Temperature & Precipitation
PM2.5 Trend
47h · 11 stationsPM2.56.85 µg/m³
✓ WHO
Good
PM1079.9 µg/m³
Moderate
UV INDEX10.9
Extreme
Station readings (3 stations within 25 km)
6.85
Median
7.1
Average
4.1
Low
11.0
High
PM2.5 µg/m³ · Model: 23.15 · Bias: +16.3
What is the 7-day forecast for Yokkaichi?
05-29
18.2° 17.2°
5.81 mm
05-30
21.7° 17.1°
3.0 mm
05-31
25.4° 17.5°
06-01
25.3° 17.7°
0.56 mm
06-02
22.1° 17.4°
0.06 mm
06-03
24.7° 16.3°
13.62 mm
06-04
24.8° 15.9°
12.38 mm
Both models agree
Avg diff: 2.8°C
Where are air quality stations near Yokkaichi?
13
Chuomachi, Nakatsu, Oita Prefecture, Japan (中津総合庁舎中津市)
38
Yoshiki, Buzen, Fukuoka, Japan (豊前豊前市)
35
Yoshiki, Buzen, Fukuoka, Japan (豊前豊前市)
What cities are near Yokkaichi?
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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 2026-05-29T00:26 UTC.