What is the air quality in Karatsu today?

The current Air Quality Index (AQI) in Karatsu is 9 (Good). PM2.5 concentration is 2.2 µg/m³.

What is the temperature in Karatsu right now?

The current temperature in Karatsu is 22.9°C (feels like 22.9°C). Humidity is 73.9% and wind speed is 37.1 km/h.

Is it safe to go outside in Karatsu?

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

Air Quality in Karatsu, Japan

Drizzle

22.9°C · 73.9% humidity

22.9°

Feels 22.9°

Good

Air quality is satisfactory. Enjoy outdoor activities.

3 stations

Nearby Monitoring Stations

AQI Forecast

— 11am

—

— 2pm

—

— 5pm

—

— 8pm

—

— 11pm

—

— 2am

—

— 5am

—

— 8am

—

Air Quality Index Trend

45h · 31 stn

View full history →

Karatsu'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.

73.9%

Humidity

37.1 km/h

Wind S

1015.0 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

2.2 µg/m³

PM10▲

27.4 µg/m³

050100150200300500

What is the weather forecast for Karatsu?

Temperature & Precipitation

PM2.5 Trend

45h · 31 stations

PM2.52.2 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

Station readings (3 stations within 25 km)

2.2

Median

2.5

Average

1.2

Low

4.1

High

PM2.5 µg/m³ · Model: 6.5 · Bias: +4.3

What is the 7-day forecast for Karatsu?

10-21

22.9° 18.2°

4.06 mm

10-22

22.5° 19.6°

0.06 mm

10-23

21.1° 17.1°

0.44 mm

10-24

21.1° 18.7°

2.06 mm

10-25

19.1° 14.6°

1.06 mm

10-26

19.0° 14.9°

10-27

19.4° 16.8°

0.19 mm

Both models agree Avg diff: 3.5°C

Where are air quality stations near Karatsu?

Karatsu, Saga Prefecture, Japan (肥前唐津市)

0.9 km PM2.5: 2.2 µg/m³

Futago, Karatsu, Saga, Japan (唐津唐津市)

2.3 km PM2.5: 0.7 µg/m³

Futago, Karatsu, Saga, Japan (唐津唐津市)

2.3 km PM2.5: 0.7 µg/m³

Futago, Karatsu, Saga, Japan (唐津唐津市)

2.3 km PM2.5: 2.2 µg/m³

Otsubochoko, Imari, Saga Prefecture, Japan (大坪伊万里市)

19.6 km PM2.5: 4.1 µg/m³

Kitatakumachi Oaza Kosamurai, Taku, Saga Prefecture, Japan (多久多久市)

21.6 km PM2.5: 1.2 µg/m³

Urashi, Itoshima, Fukuoka, Japan (糸島前原市)

26.2 km PM2.5: 3.1 µg/m³

Urashi, Itoshima, Fukuoka, Japan (糸島前原市)

26.2 km PM2.5: 3.1 µg/m³

Urashi, Itoshima, Fukuoka, Japan (糸島前原市)

26.2 km PM2.5: 3.1 µg/m³

Shisacho Uramen, Matsuura, Nagasaki, Japan (松浦志佐大気測定局松浦市)

26.9 km PM2.5: 2.2 µg/m³

What cities are near Karatsu?

17 Imarichō-kō 5 Taku 10 Itoshima 10 Maebaru-chūō 7 Ogi 9 Matsuura 9 Takeo 12 Arita 5 Higashigō 9 Ureshinomachi-shimojuku

Get AQI alerts for Karatsu

Notify me when air quality reaches:

ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-10-21T05:26 UTC.