Air Quality in Yokkaichi, Japan

Drizzle
20.5°C · 77.2% humidity
20.5°
Feels 20.5°
32
Good
Air quality is satisfactory. Enjoy outdoor activities.
10 stations

Nearby Monitoring Stations

AQI Forecast
27 3am
27
27
32 6am
38
37
36 9am
35
55
67 12pm
66
66
66 3pm
66
54
54 6pm
34
34
34 9pm
27
34
34 12am
34
34
AD 728×90

Air Quality Index Trend

47h · 29 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 annual guideline of 5 µg/m³.

77.2%
Humidity
49.3 km/h
Wind SSE
1000.2 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
32
7.56 µg/m³
PM10
25
27.45 µg/m³
050100150200300500

What is the weather forecast for Yokkaichi?

Temperature & Precipitation

PM2.5 Trend

47h · 29 stations
PM2.57.56 µg/m³ ✓ WHO
Good
PM1027.45 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (10 stations within 25 km)
7.56
Median
4.76
Average
1.0
Low
12.6
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +2.4

What is the 7-day forecast for Yokkaichi?

05-28
22.5° 16.9°
11.75 mm
05-29
20.8° 19.8°
10.94 mm
05-30
21.5° 19.4°
9.56 mm
05-31
22.6° 20.2°
0.19 mm
06-01
22.1° 20.7°
0.25 mm
06-02
22.3° 20.3°
0.13 mm
06-03
24.0° 20.5°
4.56 mm
Both models agree Avg diff: 2.0°C

Where are air quality stations near Yokkaichi?

55
Kuramachi, Yokkaichi, Mie, Japan (納屋四日市市)
1.5 km PM2.5: 14.0 µg/m³
11
Miyamadochō, Yokkaichi-shi, Mie-ken, Japan (三浜四日市市)
2.3 km PM2.5: 2.6 µg/m³
34
Obiracho, Yokkaichi, Mie Prefecture, Japan (四日市商業高校四日市市)
3.1 km PM2.5: 8.2 µg/m³
44
Obiracho, Yokkaichi, Mie Prefecture, Japan (四日市商業高校四日市市)
3.1 km PM2.5: 10.6 µg/m³
15
Yokkaichi, Mie Prefecture, Japan (北星高校四日市市)
5.2 km PM2.5: 3.6 µg/m³
13
Yokkaichi, Mie Prefecture, Japan (北星高校四日市市)
5.2 km PM2.5: 3.1 µg/m³
42
Shigematsu Shinden, Kuwana, Mie, Japan (国道258号桑名桑名市)
11.2 km PM2.5: 10.1 µg/m³
30
Sanjo, Suzuka, Mie, Japan (鈴鹿算所保育所鈴鹿市)
11.5 km PM2.5: 7.2 µg/m³
25
Ueno, Kuwana, Mie, Japan (桑名上野桑名市)
11.7 km PM2.5: 6.0 µg/m³
25
Shiroko Ekimae, Suzuka, Mie, Japan (国道23号鈴鹿鈴鹿市)
14.5 km PM2.5: 6.0 µg/m³

What cities are near Yokkaichi?

13 Toyoda 20 Suzuka 31 Komono 12 Kuwana 21 Tōin 22 Inabe 20 Yatomi 18 Kawage 19 Kameyama 31 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 2026-05-28T21:36 UTC.