What is the air quality in Katsuura today?

The current Air Quality Index (AQI) in Katsuura is 51 (Moderate). PM2.5 concentration is 12.27 µg/m³.

What is the temperature in Katsuura right now?

The current temperature in Katsuura is 19.8°C (feels like 19.8°C). Humidity is 81.6% and wind speed is 50.2 km/h.

Air Quality in Katsuura, Japan

Drizzle

19.8°C · 81.6% humidity

19.8°

Feels 19.8°

Moderate

Unusually sensitive people should consider reducing prolonged outdoor exertion.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

46h · 11 stn

View full history →

Katsuura'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.

81.6%

Humidity

50.2 km/h

Wind S

1025.5 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

12.27 µg/m³

PM10

27.4 µg/m³

050100150200300500

What is the weather forecast for Katsuura?

Temperature & Precipitation

PM2.5 Trend

46h · 11 stations

PM2.512.27 µg/m³ ✓ WHO

Moderate

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

What is the 7-day forecast for Katsuura?

10-21

20.1° 14.3°

4.38 mm

10-22

22.1° 17.1°

4.37 mm

10-23

22.7° 12.0°

10-24

19.7° 16.1°

2.81 mm

10-25

19.5° 11.5°

3.5 mm

10-26

18.7° 13.1°

1.88 mm

10-27

18.8° 14.7°

5.0 mm

Both models agree Avg diff: 4.6°C

What cities are near Katsuura?

13 Isumi 13 Ōhara 36 Kamogawa 13 Mobara 36 Minamibōsō 27 Sodegaura 14 Ōamishirasato 15 Ōami 18 Kisarazu 36 Tateyama

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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 2026-10-21T10:52 UTC.