Air Quality in Isahaya, Japan

Windy
28.2°C · 83.2% humidity
28.2°
Feels 34.7°
56
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
6 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
9 4am
0
9
56 7am
43
33
26 10am
21
18
15 1pm
14
12
11 4pm
11
10
10 7pm
10
9
0 10pm
0
0
0 1am
0
0
Station readings
9
AD 728×90

Air Quality Index Trend

48h · 2 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.

83.2%
Humidity
70.4 km/h
Wind E
989.3 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
56
14.42 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Isahaya?

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations
PM2.514.42 µg/m³ ✓ WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (6 stations within 25 km)
14.42
Median
7.9
Average
4.1
Low
15.0
High
PM2.5 µg/m³ · Model: 10.0 · Bias: -4.4

What is the 7-day forecast for Isahaya?

07-21
29.8° 25.4°
0.94 mm
07-22
28.3° 26.7°
1.94 mm
07-23
30.9° 21.3°
3.13 mm
07-24
30.5° 26.1°
8.38 mm
07-25
29.8° 24.4°
07-26
34.2° 24.0°
1.94 mm
07-27
29.1° 25.2°
0.38 mm
Both models agree Avg diff: 1.8°C

Where are air quality stations near Isahaya?

53
Mawatarimachi, Isahaya, Nagasaki, Japan (諫早諌早市)
1.8 km PM2.5: 13.1 µg/m³
55
Mawatarimachi, Isahaya, Nagasaki, Japan (諫早諌早市)
1.8 km PM2.5: 14.0 µg/m³
42
Nishisanjocho, Omura, Nagasaki, Japan (大村大気測定局大村市)
11.2 km PM2.5: 10.1 µg/m³
50
Yagamimachi, Nagasaki, Nagasaki, Japan (東長崎支所長崎市)
11.2 km PM2.5: 12.0 µg/m³
31
Yagamimachi, Nagasaki, Nagasaki, Japan (東長崎支所長崎市)
11.2 km PM2.5: 7.4 µg/m³
25
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: 6.0 µg/m³
39
Nagasaki (長崎)
18.5 km PM2.5: 9.4 µg/m³
19
Obamacho Kitahonmachi, Unzen, Nagasaki, Japan (小浜大気測定局雲仙市)
19.8 km PM2.5: 4.6 µg/m³
13
Obamacho Kitahonmachi, Unzen, Nagasaki, Japan (小浜大気測定局雲仙市)
19.8 km PM2.5: 3.1 µg/m³
11
Obamacho Kitahonmachi, Unzen, Nagasaki, Japan (小浜大気測定局雲仙市)
19.8 km PM2.5: 2.6 µg/m³

What cities are near Isahaya?

20 Ōmura 35 Obita 27 Nagasaki 38 Togitsu 40 Unzen 46 Minamishimabara 28 Kashima 27 Ureshinomachi-shimojuku 34 Shimabara 23 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 2026-07-21T22:04 UTC.