What is the air quality in Matsuyama today?

The current Air Quality Index (AQI) in Matsuyama is 38 (Good). PM2.5 concentration is 9.1 µg/m³.

What is the temperature in Matsuyama right now?

The current temperature in Matsuyama is 23.9°C (feels like 23.9°C). Humidity is 81.0% and wind speed is 23.3 km/h.

Is it safe to go outside in Matsuyama?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Matsuyama, Japan

Cloudy

23.9°C · 81.0% humidity

23.9°

Feels 23.9°

Good

Air quality is satisfactory. Enjoy outdoor activities.

4 stations

Nearby Monitoring Stations

AQI Forecast

27 5pm

38 8pm

29 11pm

25 2am

25 5am

24 8am

25 11am

25 2pm

Air Quality Index Trend

45h · 6 stn

View full history →

Matsuyama'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.

81.0%

Humidity

23.3 km/h

Wind ESE

1002.4 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

9.1 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Matsuyama?

Temperature & Precipitation

PM2.5 Trend

45h · 6 stations

PM2.59.1 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (4 stations within 25 km)

9.1

Median

5.83

Average

2.4

Low

9.1

High

PM2.5 µg/m³ · Model: 6.25 · Bias: -2.8

What is the 7-day forecast for Matsuyama?

09-05

26.7° 23.3°

0.25 mm

09-06

31.6° 22.2°

0.25 mm

09-07

30.0° 22.7°

1.75 mm

09-08

25.1° 20.7°

9.94 mm

09-09

27.0° 22.7°

5.94 mm

09-10

27.1° 21.3°

0.75 mm

09-11

25.6° 21.9°

13.19 mm

Both models agree Avg diff: 2.7°C

Where are air quality stations near Matsuyama?

Matsuyama (松山)

0.0 km PM2.5: 9.1 µg/m³

Asodamachi, Matsuyama, Ehime, Japan (朝生田松山市)

2.1 km PM2.5: 9.1 µg/m³

Kitasayacho, Matsuyama, Ehime, Japan (味生松山市)

3.6 km PM2.5: 5.0 µg/m³

Tomihisamachi, Matsuyama, Ehime, Japan (富久町松山市)

4.1 km PM2.5: 2.2 µg/m³

Nishihabumachi, Matsuyama, Ehime, Japan (垣生小学校松山市)

6.7 km PM2.5: 4.1 µg/m³

Nishihabumachi, Matsuyama, Ehime, Japan (垣生小学校松山市)

6.7 km PM2.5: 8.2 µg/m³

Asahimachi, Imabari, Ehime, Japan (今治旭今治市)

32.9 km PM2.5: 8.2 µg/m³

What cities are near Matsuyama?

24 Masaki-chō 28 Haramachi 25 Iyo 26 Tōon 27 Hōjō 10 Shinagawa 9 Imabari 30 Uchiko 38 Saijō 26 Ōzu

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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 2026-09-05T11:15 UTC.