Air Quality in Tōon, Japan

Heavy Rain
20.3°C · 88.2% humidity
20.3°
Feels 20.3°
39
Good
Air quality is satisfactory. Enjoy outdoor activities.
10 stations

Nearby Monitoring Stations

AQI Forecast
54 6am
54
54
39 9am
55
75
77 12pm
62
63
64 3pm
65
65
53 6pm
53
66
66 9pm
54
—
— 12am
—
54
54 3am
54
34
AD 728×90

Air Quality Index Trend

47h · 12 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 1.9× the WHO annual guideline of 5 µg/m³.

88.2%
Humidity
33.8 km/h
Wind SSE
1003.9 hPa
Pressure
7.9
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
39
9.32 µg/m³
PM10▲
44
48.05 µg/m³
050100150200300500

What is the weather forecast for Tōon?

Temperature & Precipitation

PM2.5 Trend

47h · 12 stations
PM2.59.32 µg/m³ ✓ WHO
Good
PM1048.05 µg/m³
Good
UV INDEX7.9
Very High
AD 300×250
Station readings (10 stations within 25 km)
9.32
Median
9.53
Average
7.2
Low
12.0
High
PM2.5 µg/m³ · Model: 16.35 · Bias: +7.0

What is the 7-day forecast for Tōon?

05-29
20.3° 16.9°
27.75 mm
05-30
21.9° 17.5°
2.56 mm
05-31
21.8° 17.1°
06-01
23.1° 17.3°
0.69 mm
06-02
23.4° 18.5°
0.62 mm
06-03
23.7° 15.9°
5.88 mm
06-04
22.9° 15.9°
0.38 mm
Both models agree Avg diff: 2.4°C

Where are air quality stations near Tōon?

53
Asodamachi, Matsuyama, Ehime, Japan (朝生田松山市)
12.2 km PM2.5: 13.1 µg/m³
1
Matsuyama (松山)
12.5 km PM2.5: 0.2 µg/m³
23
Matsuyama (松山)
12.5 km PM2.5: 5.5 µg/m³
53
Tomihisamachi, Matsuyama, Ehime, Japan (富久町松山市)
15.5 km PM2.5: 13.1 µg/m³
47
Kuma, Ehime, Japan (久万高原上浮穴郡久万町)
15.6 km PM2.5: 11.3 µg/m³
17
Kitasayacho, Matsuyama, Ehime, Japan (味生松山市)
15.9 km PM2.5: 4.1 µg/m³
17
Kitasayacho, Matsuyama, Ehime, Japan (味生松山市)
15.9 km PM2.5: 4.1 µg/m³
64
Kitakuroda, Ehime, Japan (松前伊予郡松前町)
16.9 km PM2.5: 18.3 µg/m³
42
Nishihabumachi, Matsuyama, Ehime, Japan (垣生小学校松山市)
17.6 km PM2.5: 10.1 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?

40 Haramachi 30 Matsuyama 44 Masaki-chō 43 Iyo 41 Shinagawa 40 Hōjō 28 Saijō 29 Imabari 32 Uchiko 41 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 2026-05-29T00:10 UTC.