What is the air quality in Katsuyama today?

The current Air Quality Index (AQI) in Katsuyama is 35 (Good). PM2.5 concentration is 8.31 µg/m³.

What is the temperature in Katsuyama right now?

The current temperature in Katsuyama is 18.6°C (feels like 18.6°C). Humidity is 71.6% and wind speed is 34.9 km/h.

Is it safe to go outside in Katsuyama?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Katsuyama, Japan

Drizzle

18.6°C · 71.6% humidity

18.6°

Feels 18.6°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

31h · 1 stn

View full history →

Katsuyama'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.

71.6%

Humidity

34.9 km/h

Wind SSE

1017.7 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

8.31 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Katsuyama?

Temperature & Precipitation

PM2.5 Trend

31h · 1 station

PM2.58.31 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

What is the 7-day forecast for Katsuyama?

10-21

18.6° 11.3°

0.13 mm

10-22

20.6° 13.2°

1.19 mm

10-23

18.1° 11.4°

2.12 mm

10-24

16.9° 13.1°

12.44 mm

10-25

16.6° 10.8°

1.19 mm

10-26

14.3° 7.7°

0.38 mm

10-27

14.6° 8.5°

0.38 mm

Both models agree Avg diff: 3.9°C

What cities are near Katsuyama?

35 Ono 27 Iijima 34 Maruoka 40 Fukui-shi 27 Kaga 42 Sabae 34 Awara 42 Takefu 35 Echizen 34 Mikuni

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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 2026-10-21T08:32 UTC.