Air Quality in Shimabara, Japan
Windy
27.4°C · 67.1% humidity
27.4°
Feels 31.4°
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Shimabara's air quality — share it
AQI Forecast
Calibrated
20
5pm
20
20
38
8pm
33
28
26
11pm
24
22
21
2am
21
20
20
5am
20
19
19
8am
19
19
19
11am
19
19
19
2pm
19
19
Station readings
7h ago
AQI 19
PM2.5 4.6 µg/m³ · 7h ago
CAMS model
adj -5
25
25
25
27
27
25
25
25
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
Air Quality Index Trend
45h · 26 stnShimabara'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.
67.1%
Humidity
76.3 km/h
Wind NNE
1000.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.11 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Shimabara?
Temperature & Precipitation
PM2.5 Trend
45h · 26 stationsPM2.59.11 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (2 stations within 25 km)
9.11
Median
10.6
Average
9.1
Low
12.1
High
PM2.5 µg/m³ · Model: 6.5 · Bias: -2.6
What is the 7-day forecast for Shimabara?
09-05
28.2° 24.7°
0.38 mm
09-06
30.7° 23.7°
3.06 mm
09-07
27.2° 23.2°
0.13 mm
09-08
29.6° 23.6°
0.19 mm
09-09
29.4° 24.6°
1.31 mm
09-10
29.2° 22.6°
0.81 mm
09-11
28.3° 21.9°
3.44 mm
Both models agree
Avg diff: 1.5°C
Where are air quality stations near Shimabara?
38
Shindenmachi, Shimabara, Nagasaki, Japan (島原大気測定局島原市)
51
Obamacho Kitahonmachi, Unzen, Nagasaki, Japan (小浜大気測定局雲仙市)
30
Iwasaki, Tamana, Kumamoto, Japan (有明保健所玉名市)
What cities are near Shimabara?
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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 2026-09-05T11:24 UTC.