Air Quality in Yokkaichi, Japan

Drizzle
27.6°C · 84.6% humidity
27.6°
Feels 34.0°
71
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
4 stations

Nearby Monitoring Stations

AQI Forecast
54 5am
54
54
71 8am
66
63
60 11am
58
57
56 2pm
56
55
55 5pm
55
54
54 8pm
54
54
34 11pm
34
34
34 2am
34
34
AD 728×90

Air Quality Index Trend

46h · 31 stn

Yokkaichi'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 1.5× the WHO 24-hour guideline of 15 µg/m³.

84.6%
Humidity
86.4 km/h
Wind SE
999.6 hPa
Pressure
7.9
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
71
21.84 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for Yokkaichi?

Temperature & Precipitation

PM2.5 Trend

46h · 31 stations
PM2.521.84 µg/m³ ×1.5 WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX7.9
Very High
AD 300×250
Station readings (4 stations within 25 km)
21.84
Median
18.95
Average
10.6
Low
22.1
High
PM2.5 µg/m³ · Model: 16.35 · Bias: -5.5

What is the 7-day forecast for Yokkaichi?

07-21
30.4° 25.6°
1.5 mm
07-22
29.3° 25.5°
1.56 mm
07-23
26.7° 23.1°
0.5 mm
07-24
28.2° 25.3°
0.19 mm
07-25
28.8° 24.9°
2.69 mm
07-26
31.4° 24.3°
2.25 mm
07-27
27.5° 25.8°
0.56 mm
Both models agree Avg diff: 1.8°C

Where are air quality stations near Yokkaichi?

53
Kuramachi, Yokkaichi, Mie, Japan (納屋四日市市)
1.5 km PM2.5: 13.1 µg/m³
12
Miyamadochō, Yokkaichi-shi, Mie-ken, Japan (三浜四日市市)
2.3 km PM2.5: 2.9 µg/m³
8
Obiracho, Yokkaichi, Mie Prefecture, Japan (四日市商業高校四日市市)
3.1 km PM2.5: 1.9 µg/m³
64
Obiracho, Yokkaichi, Mie Prefecture, Japan (四日市商業高校四日市市)
3.1 km PM2.5: 18.3 µg/m³
70
Yokkaichi, Mie Prefecture, Japan (北星高校四日市市)
5.2 km PM2.5: 21.1 µg/m³
6
Yokkaichi, Mie Prefecture, Japan (北星高校四日市市)
5.2 km PM2.5: 1.4 µg/m³
48
Shigematsu Shinden, Kuwana, Mie, Japan (国道258号桑名桑名市)
11.2 km PM2.5: 11.5 µg/m³
22
Sanjo, Suzuka, Mie, Japan (鈴鹿算所保育所鈴鹿市)
11.5 km PM2.5: 5.3 µg/m³
25
Ueno, Kuwana, Mie, Japan (桑名上野桑名市)
11.7 km PM2.5: 6.0 µg/m³
42
Shiroko Ekimae, Suzuka, Mie, Japan (国道23号鈴鹿鈴鹿市)
14.5 km PM2.5: 10.1 µg/m³

What cities are near Yokkaichi?

72 Toyoda 64 Suzuka 70 Komono 72 Kuwana 73 Tōin 73 Inabe 70 Yatomi 52 Kawage 44 Kameyama 64 Chita
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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 2026-07-21T23:17 UTC.