Air Quality in Tōon, Japan

Cloudy
26.8°C · 86.8% humidity
26.8°
Feels 26.8°
59
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
5 stations

Nearby Monitoring Stations

AQI Forecast
34 6am
54
54
59 9am
72
67
43 12pm
41
39
37 3pm
36
36
35 6pm
35
35
34 9pm
34
34
34 12am
34
34
54 3am
54
54
AD 728×90

Air Quality Index Trend

43h · 9 stn

Tōon'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 Tōon is 1.1× the WHO 24-hour guideline of 15 µg/m³.

86.8%
Humidity
23.3 km/h
Wind ESE
994.8 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
59
15.87 µg/m³
PM10
25
27.45 µg/m³
050100150200300500

What is the weather forecast for Tōon?

Temperature & Precipitation

PM2.5 Trend

43h · 9 stations
PM2.515.87 µg/m³ ×1.1 WHO
Moderate
PM1027.45 µg/m³
Good
UV INDEX12.9
Extreme
AD 300×250
Station readings (5 stations within 25 km)
15.87
Median
15.8
Average
10.1
Low
20.2
High
PM2.5 µg/m³ · Model: 13.7 · Bias: -2.2

What is the 7-day forecast for Tōon?

07-22
30.1° 23.6°
0.63 mm
07-23
26.0° 18.8°
21.75 mm
07-24
26.0° 24.8°
9.62 mm
07-25
29.6° 22.9°
0.44 mm
07-26
30.9° 23.9°
1.37 mm
07-27
28.1° 23.0°
0.62 mm
07-28
28.6° 25.1°
1.81 mm
Both models agree Avg diff: 2.4°C

Where are air quality stations near Tōon?

21
Asodamachi, Matsuyama, Ehime, Japan (朝生田松山市)
12.2 km PM2.5: 5.0 µg/m³
46
Matsuyama (松山)
12.5 km PM2.5: 11.0 µg/m³
42
Matsuyama (松山)
12.5 km PM2.5: 10.1 µg/m³
25
Tomihisamachi, Matsuyama, Ehime, Japan (富久町松山市)
15.5 km PM2.5: 6.0 µg/m³
67
Kuma, Ehime, Japan (久万高原上浮穴郡久万町)
15.6 km PM2.5: 19.7 µg/m³
68
Kitasayacho, Matsuyama, Ehime, Japan (味生松山市)
15.9 km PM2.5: 20.2 µg/m³
72
Kitasayacho, Matsuyama, Ehime, Japan (味生松山市)
15.9 km PM2.5: 22.1 µg/m³
13
Kitakuroda, Ehime, Japan (松前伊予郡松前町)
16.9 km PM2.5: 3.1 µg/m³
24
Nishihabumachi, Matsuyama, Ehime, Japan (垣生小学校松山市)
17.6 km PM2.5: 5.8 µg/m³
21
Taisanjicho, Matsuyama, Ehime, Japan (和気松山市)
17.9 km PM2.5: 5.0 µg/m³

What cities are near Tōon?

60 Haramachi 62 Matsuyama 59 Masaki-chō 59 Iyo 42 Shinagawa 61 Hōjō 72 Saijō 10 Imabari 56 Uchiko 72 Niihama
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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.