Air Quality in Saikai, Japan

Cloudy
21.9°C · 70.7% humidity
21.9°
Feels 21.9°
33
Good
Air quality is satisfactory. Enjoy outdoor activities.
6 stations

Nearby Monitoring Stations

AQI Forecast
54 8am
54
54
33 11am
39
43
46 2pm
28
23
24 5pm
25
26
26 8pm
26
33
34 11pm
34
34
34 2am
34
27
27 5am
27
27
AD 728×90

Air Quality Index Trend

47h · 6 stn

Saikai'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.

70.7%
Humidity
30.8 km/h
Wind E
1012.2 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
33
7.88 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Saikai?

Temperature & Precipitation

PM2.5 Trend

47h · 6 stations
PM2.57.88 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX24.9
Extreme
AD 300×250
Station readings (6 stations within 25 km)
7.88
Median
7.88
Average
6.0
Low
10.1
High
PM2.5 µg/m³ · Model: 10.85 · Bias: +3.0

What is the 7-day forecast for Saikai?

06-09
23.1° 21.9°
06-10
22.0° 19.7°
0.19 mm
06-11
23.7° 21.9°
06-12
23.0° 21.7°
06-13
23.3° 21.6°
27.69 mm
06-14
24.1° 20.0°
31.94 mm
06-15
24.1° 21.2°
8.87 mm
Both models agree Avg diff: 2.3°C

Where are air quality stations near Saikai?

53
Osetocho Yukinourakamigo, Saikai, Nagasaki, Japan (雪浦大気測定局西海市)
7.2 km PM2.5: 13.1 µg/m³
32
Osetocho Yukinourakamigo, Saikai, Nagasaki, Japan (雪浦大気測定局西海市)
7.2 km PM2.5: 7.7 µg/m³
5
Kinkaimura Matsumachi, Nagasaki, Nagasaki, Japan (村松長崎市)
16.4 km PM2.5: 1.2 µg/m³
13
Kawatana, Nagasaki Prefecture, Japan (川棚大気測定局東彼杵郡川棚町)
19.5 km PM2.5: 3.1 µg/m³
22
Fukuishicho, Sasebo, Nagasaki, Japan (福石佐世保市)
20.0 km PM2.5: 5.3 µg/m³
30
Daitocho, Sasebo, Nagasaki, Japan (大塔佐世保市)
20.6 km PM2.5: 7.2 µg/m³
72
Daitocho, Sasebo, Nagasaki, Japan (大塔佐世保市)
20.6 km PM2.5: 22.1 µg/m³
5
Sasebo (佐世保)
22.0 km PM2.5: 1.2 µg/m³
17
Sasebo (佐世保)
22.0 km PM2.5: 4.1 µg/m³
56
Nodago, Nagasaki, Japan (時津小学校大気測定局西彼杵郡時津町)
23.2 km PM2.5: 14.5 µg/m³

What cities are near Saikai?

37 Sasebo 38 Togitsu 30 Ōmura 35 Obita 32 Arita 30 Nagasaki 30 Ureshinomachi-shimojuku 34 Imarichō-kō 45 Isahaya 32 Takeo
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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 2026-06-09T02:19 UTC.