Air Quality in Isahaya, Japan

Partly Cloudy
25.0°C · 53.3% humidity
25.0°
Feels 25.0°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
8 stations

Nearby Monitoring Stations

AQI Forecast
54 6am
54
54
30 9am
37
42
45 12pm
48
49
51 3pm
52
32
33 6pm
33
26
27 9pm
66
66
66 12am
54
54
54 3am
54
54
AD 728×90

Air Quality Index Trend

47h · 30 stn

Isahaya'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.

53.3%
Humidity
31.0 km/h
Wind ENE
1012.8 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
30
7.12 µg/m³
PM10▲
31
34.3 µg/m³
050100150200300500

What is the weather forecast for Isahaya?

Temperature & Precipitation

PM2.5 Trend

47h · 30 stations
PM2.57.12 µg/m³ ✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (8 stations within 25 km)
7.12
Median
6.55
Average
2.9
Low
11.0
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +2.9

What is the 7-day forecast for Isahaya?

06-09
25.0° 20.4°
0.44 mm
06-10
21.9° 17.8°
0.31 mm
06-11
27.9° 21.0°
06-12
27.3° 20.6°
06-13
26.3° 20.9°
32.13 mm
06-14
23.4° 18.0°
72.31 mm
06-15
28.4° 19.4°
15.75 mm
Both models agree Avg diff: 2.2°C

Where are air quality stations near Isahaya?

30
Mawatarimachi, Isahaya, Nagasaki, Japan (諫早諌早市)
1.8 km PM2.5: 7.2 µg/m³
17
Mawatarimachi, Isahaya, Nagasaki, Japan (諫早諌早市)
1.8 km PM2.5: 4.1 µg/m³
30
Nishisanjocho, Omura, Nagasaki, Japan (大村大気測定局大村市)
11.2 km PM2.5: 7.2 µg/m³
13
Yagamimachi, Nagasaki, Nagasaki, Japan (東長崎支所長崎市)
11.2 km PM2.5: 3.1 µg/m³
6
Yagamimachi, Nagasaki, Nagasaki, Japan (東長崎支所長崎市)
11.2 km PM2.5: 1.4 µg/m³
27
Nodago, Nagasaki, Japan (時津小学校大気測定局西彼杵郡時津町)
18.4 km PM2.5: 6.5 µg/m³
34
Nagasaki (長崎)
18.5 km PM2.5: 8.2 µg/m³
40
Obamacho Kitahonmachi, Unzen, Nagasaki, Japan (小浜大気測定局雲仙市)
19.8 km PM2.5: 9.6 µg/m³
47
Obamacho Kitahonmachi, Unzen, Nagasaki, Japan (小浜大気測定局雲仙市)
19.8 km PM2.5: 11.3 µg/m³
36
Obamacho Kitahonmachi, Unzen, Nagasaki, Japan (小浜大気測定局雲仙市)
19.8 km PM2.5: 8.6 µg/m³

What cities are near Isahaya?

34 Ōmura 22 Obita 27 Nagasaki 18 Togitsu 35 Unzen 32 Minamishimabara 30 Kashima 28 Ureshinomachi-shimojuku 38 Shimabara 34 Saikai
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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 2026-06-09T00:59 UTC.