Air Quality in Yanai, Japan

Drizzle
25.9°C · 91.7% humidity
25.9°
Feels 25.9°
81
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
4 stations

Nearby Monitoring Stations

AQI Forecast
34 6am
34
34
81 9am
100
90
83 12pm
78
75
72 3pm
59
57
56 6pm
56
55
35 9pm
55
54
54 12am
54
54
54 3am
54
54
AD 728×90

Air Quality Index Trend

44h · 10 stn

Yanai'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 Yanai is 1.8× the WHO 24-hour guideline of 15 µg/m³.

91.7%
Humidity
61.5 km/h
Wind ENE
994.2 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
81
26.25 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Yanai?

Temperature & Precipitation

PM2.5 Trend

44h · 10 stations
PM2.526.25 µg/m³ ×1.8 WHO
Moderate
PM1027.4 µg/m³
Good
UV INDEX12.9
Extreme
AD 300×250
Station readings (4 stations within 25 km)
26.25
Median
20.57
Average
13.1
Low
26.4
High
PM2.5 µg/m³ · Model: 10.85 · Bias: -15.4

What is the 7-day forecast for Yanai?

07-22
26.5° 23.1°
1.25 mm
07-23
28.3° 18.2°
17.37 mm
07-24
27.6° 24.7°
5.63 mm
07-25
31.3° 21.8°
1.19 mm
07-26
32.0° 23.5°
7.0 mm
07-27
28.2° 22.6°
07-28
28.7° 23.7°
6.69 mm
Both models agree Avg diff: 3.3°C

Where are air quality stations near Yanai?

25
Minamimachi, Yanai, Yamaguchi, Japan (柳井市役所柳井市)
1.4 km PM2.5: 6.0 µg/m³
20
Mitsui, Hikari, Yamaguchi, Japan (光高校光市)
15.1 km PM2.5: 4.8 µg/m³
25
Otemachi, Kudamatsu, Yamaguchi, Japan (下松市役所下松市)
23.3 km PM2.5: 6.0 µg/m³
46
Otemachi, Kudamatsu, Yamaguchi, Japan (下松市役所下松市)
23.3 km PM2.5: 11.0 µg/m³
80
Yamatemachi, Iwakuni, Yamaguchi, Japan (麻里布小学校岩国市)
24.4 km PM2.5: 25.9 µg/m³

What cities are near Yanai?

53 Hikari 61 Kudamatsu 82 Iwakuni 95 Ōtake 81 Tokuyama 79 Shūnan 90 Ōno-hara 77 Etajima 81 Hatsukaichi 67 Kure
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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 2026-07-22T00:21 UTC.