What is the air quality in Hitoyoshi today?

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

What is the temperature in Hitoyoshi right now?

The current temperature in Hitoyoshi is 21.4°C (feels like 21.4°C). Humidity is 80.2% and wind speed is 18.7 km/h.

Is it safe to go outside in Hitoyoshi?

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

Air Quality in Hitoyoshi, Japan

Cloudy

21.4°C · 80.2% humidity

21.4°

Feels 21.4°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

24 8pm

9 11pm

18 2am

22 5am

23 8am

24 11am

24 2pm

24 5pm

Air Quality Index Trend

45h · 8 stn

View full history →

Hitoyoshi'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.

80.2%

Humidity

18.7 km/h

Wind NNE

1000.5 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

2.2 µg/m³

PM10▲

13.7 µg/m³

050100150200300500

What is the weather forecast for Hitoyoshi?

Temperature & Precipitation

PM2.5 Trend

45h · 8 stations

PM2.52.2 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (1 station within 25 km)

2.2

Median

2.2

Average

2.2

Low

2.2

High

PM2.5 µg/m³ · Model: 6.15 · Bias: +4.0

What is the 7-day forecast for Hitoyoshi?

09-05

25.5° 21.4°

3.5 mm

09-06

26.4° 20.4°

2.94 mm

09-07

30.0° 20.7°

1.75 mm

09-08

26.8° 20.3°

0.69 mm

09-09

29.4° 21.4°

1.25 mm

09-10

27.0° 19.4°

0.94 mm

09-11

27.4° 19.9°

7.62 mm

Both models agree Avg diff: 2.6°C

Where are air quality stations near Hitoyoshi?

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

1.6 km PM2.5: 2.2 µg/m³

Kodanoura, Kumamoto, Japan (小田浦公民館葦北郡芦北町)

27.4 km PM2.5: 2.2 µg/m³

What cities are near Hitoyoshi?

9 Ōkuchi-shinohara 9 Ebino 9 Isa 10 Sashiki 9 Minamata 22 Kobayashi 22 Honmachi 9 Tsuruda 9 Izumi 19 Uki

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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 2026-09-05T14:00 UTC.