What is the air quality in Isa today?

The current Air Quality Index (AQI) in Isa is 13 (Good). PM2.5 concentration is 3.1 µg/m³.

What is the temperature in Isa right now?

The current temperature in Isa is 21.5°C (feels like 21.5°C). Humidity is 79.7% and wind speed is 16.4 km/h.

Is it safe to go outside in Isa?

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

Air Quality in Isa, Japan

Drizzle

21.5°C · 79.7% humidity

21.5°

Feels 21.5°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

46h · 9 stn

View full history →

Isa'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.

79.7%

Humidity

16.4 km/h

Wind SSE

1016.4 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

3.1 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Isa?

Temperature & Precipitation

PM2.5 Trend

46h · 9 stations

PM2.53.1 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (1 station within 25 km)

3.1

Median

3.1

Average

3.1

Low

3.1

High

PM2.5 µg/m³ · Model: 6.0 · Bias: +2.9

What is the 7-day forecast for Isa?

10-21

21.5° 14.5°

8.94 mm

10-22

24.5° 16.5°

0.25 mm

10-23

23.4° 13.3°

10-24

22.0° 17.1°

0.13 mm

10-25

19.9° 8.2°

0.63 mm

10-26

19.7° 9.6°

10-27

20.2° 10.1°

Both models agree Avg diff: 4.9°C

Where are air quality stations near Isa?

Teramachi, Hitoyoshi, Kumamoto, Japan (人吉保健所人吉市)

21.1 km PM2.5: 5.0 µg/m³

Showamachi, Izumi, Kagoshima, Japan (出水出水市)

24.1 km PM2.5: 4.1 µg/m³

Showamachi, Izumi, Kagoshima, Japan (出水出水市)

24.1 km PM2.5: 3.1 µg/m³

Hachimancho, Minamata, Kumamoto, Japan (水俣保健所水俣市)

25.9 km PM2.5: 3.1 µg/m³

Hachimancho, Minamata, Kumamoto, Japan (水俣保健所水俣市)

25.9 km PM2.5: 9.1 µg/m³

What cities are near Isa?

25 Ōkuchi-shinohara 12 Tsuruda 25 Hitoyoshi 13 Ebino 13 Izumi 13 Minamata 13 Sashiki 32 Aira 13 Kobayashi 37 Kajiki

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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 2026-10-21T07:40 UTC.