What is the air quality in Ōmura today?

The current Air Quality Index (AQI) in Ōmura is 17 (Good). PM2.5 concentration is 4.14 µg/m³.

What is the temperature in Ōmura right now?

The current temperature in Ōmura is 21.6°C (feels like 21.6°C). Humidity is 80.4% and wind speed is 38.4 km/h.

Is it safe to go outside in Ōmura?

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

Air Quality in Ōmura, Japan

Drizzle

21.6°C · 80.4% humidity

21.6°

Feels 21.6°

Good

Air quality is satisfactory. Enjoy outdoor activities.

7 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

45h · 21 stn

View full history →

Ōmura'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.

80.4%

Humidity

38.4 km/h

Wind S

1015.6 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

4.14 µg/m³

PM10▲

54.9 µg/m³

050100150200300500

What is the weather forecast for Ōmura?

Temperature & Precipitation

PM2.5 Trend

45h · 21 stations

PM2.54.14 µg/m³ ✓ WHO

Good

PM1054.9 µg/m³

Moderate

UV INDEX0.0

Low

Station readings (7 stations within 25 km)

4.14

Median

5.43

Average

2.6

Low

15.0

High

PM2.5 µg/m³ · Model: 19.2 · Bias: +15.1

What is the 7-day forecast for Ōmura?

10-21

21.6° 16.3°

5.38 mm

10-22

27.4° 17.3°

10-23

26.2° 14.7°

2.25 mm

10-24

21.4° 17.1°

1.19 mm

10-25

18.6° 9.8°

1.63 mm

10-26

19.2° 10.5°

10-27

19.7° 12.7°

Both models agree Avg diff: 5.1°C

Where are air quality stations near Ōmura?

Nishisanjocho, Omura, Nagasaki, Japan (大村大気測定局大村市)

1.1 km PM2.5: 4.1 µg/m³

Mawatarimachi, Isahaya, Nagasaki, Japan (諫早諌早市)

10.9 km PM2.5: 0.2 µg/m³

Nodago, Nagasaki, Japan (時津小学校大気測定局西彼杵郡時津町)

14.4 km PM2.5: 2.4 µg/m³

Nodago, Nagasaki, Japan (時津小学校大気測定局西彼杵郡時津町)

14.4 km PM2.5: 2.2 µg/m³

Nodago, Nagasaki, Japan (時津小学校大気測定局西彼杵郡時津町)

14.4 km PM2.5: 2.6 µg/m³

Yagamimachi, Nagasaki, Nagasaki, Japan (東長崎支所長崎市)

16.1 km PM2.5: 15.0 µg/m³

Kinkaimura Matsumachi, Nagasaki, Nagasaki, Japan (村松長崎市)

16.9 km PM2.5: 6.0 µg/m³

Kawatana, Nagasaki Prefecture, Japan (川棚大気測定局東彼杵郡川棚町)

18.9 km PM2.5: 3.1 µg/m³

Ureshinomachi Oaza Shimojuku, Ureshino, Saga Prefecture, Japan (嬉野嬉野市)

19.8 km PM2.5: 3.1 µg/m³

Ureshinomachi Oaza Shimojuku, Ureshino, Saga Prefecture, Japan (嬉野嬉野市)

19.8 km PM2.5: 2.2 µg/m³

What cities are near Ōmura?

32 Isahaya 20 Obita 11 Togitsu 28 Nagasaki 14 Ureshinomachi-shimojuku 17 Kashima 23 Saikai 19 Arita 21 Takeo 9 Unzen

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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 2026-10-21T08:29 UTC.