Air Quality in Ōmura, Japan

Drizzle
19.8°C · 96.1% humidity
19.8°
Feels 19.8°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
8 stations

Nearby Monitoring Stations

AQI Forecast
66 3am
66
66
23 6am
35
61
68 9am
72
75
60 12pm
62
63
64 3pm
64
65
65 6pm
53
54
54 9pm
54
54
54 12am
54
54
AD 728×90

Air Quality Index Trend

47h · 22 stn

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. Current PM2.5 concentration in Ōmura is 1.1× the WHO annual guideline of 5 µg/m³.

96.1%
Humidity
30.3 km/h
Wind ESE
1004.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
23
5.39 µg/m³
PM10▲
44
48.05 µg/m³
050100150200300500

What is the weather forecast for Ōmura?

Temperature & Precipitation

PM2.5 Trend

47h · 22 stations
PM2.55.39 µg/m³ ✓ WHO
Good
PM1048.05 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (8 stations within 25 km)
5.39
Median
8.03
Average
4.8
Low
11.0
High
PM2.5 µg/m³ · Model: 19.2 · Bias: +13.8

What is the 7-day forecast for Ōmura?

05-28
21.2° 13.2°
54.69 mm
05-29
21.5° 17.9°
1.0 mm
05-30
22.0° 18.0°
0.13 mm
05-31
25.0° 19.6°
06-01
29.0° 17.8°
2.94 mm
06-02
26.0° 20.1°
06-03
22.4° 16.2°
32.69 mm
Both models agree Avg diff: 3.3°C

Where are air quality stations near Ōmura?

41
Nishisanjocho, Omura, Nagasaki, Japan (大村大気測定局大村市)
1.1 km PM2.5: 9.8 µg/m³
17
Mawatarimachi, Isahaya, Nagasaki, Japan (諫早諌早市)
10.9 km PM2.5: 4.1 µg/m³
34
Mawatarimachi, Isahaya, Nagasaki, Japan (諫早諌早市)
10.9 km PM2.5: 8.2 µg/m³
45
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: 10.8 µg/m³
30
Yagamimachi, Nagasaki, Nagasaki, Japan (東長崎支所長崎市)
16.1 km PM2.5: 7.2 µg/m³
17
Yagamimachi, Nagasaki, Nagasaki, Japan (東長崎支所長崎市)
16.1 km PM2.5: 4.1 µg/m³
36
Kinkaimura Matsumachi, Nagasaki, Nagasaki, Japan (村松長崎市)
16.9 km PM2.5: 8.6 µg/m³
34
Kawatana, Nagasaki Prefecture, Japan (川棚大気測定局東彼杵郡川棚町)
18.9 km PM2.5: 8.2 µg/m³
38
Ureshinomachi Oaza Shimojuku, Ureshino, Saga Prefecture, Japan (嬉野嬉野市)
19.8 km PM2.5: 9.1 µg/m³
34
Nagasaki (長崎)
20.3 km PM2.5: 8.2 µg/m³

What cities are near Ōmura?

35 Isahaya 27 Obita 20 Togitsu 26 Nagasaki 41 Ureshinomachi-shimojuku 41 Kashima 23 Saikai 41 Arita 43 Takeo 27 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 2026-05-28T21:36 UTC.