Air Quality in Isahaya, Japan

Partly Cloudy
25.0°C · 53.3% humidity
25.0°
Feels 25.0°
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
9 stations

Nearby Monitoring Stations

AQI Forecast
54 5am
54
54
18 8am
28
36
41 11am
45
47
49 2pm
51
51
32 5pm
33
33
26 8pm
27
66
66 11pm
66
54
54 2am
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
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
18
4.27 µg/m³
PM10▲
31
34.3 µg/m³
050100150200300500

What is the weather forecast for Isahaya?

Temperature & Precipitation

PM2.5 Trend

47h · 30 stations
PM2.54.27 µg/m³ ✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
Station readings (9 stations within 25 km)
4.27
Median
6.11
Average
2.4
Low
11.5
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +5.7

What is the 7-day forecast for Isahaya?

06-08
24.8° 20.1°
0.06 mm
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
Both models agree Avg diff: 2.2°C

Where are air quality stations near Isahaya?

21
Mawatarimachi, Isahaya, Nagasaki, Japan (諫早諌早市)
1.8 km PM2.5: 5.0 µg/m³
9
Mawatarimachi, Isahaya, Nagasaki, Japan (諫早諌早市)
1.8 km PM2.5: 2.2 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
2
Yagamimachi, Nagasaki, Nagasaki, Japan (東長崎支所長崎市)
11.2 km PM2.5: 0.5 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
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
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

What cities are near Isahaya?

25 Ōmura 37 Obita 47 Nagasaki 45 Togitsu 25 Unzen 23 Minamishimabara 33 Kashima 22 Ureshinomachi-shimojuku 30 Shimabara 33 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 2026-06-08T23:22 UTC.