Air Quality in Saikai, Japan

Drizzle
27.0°C · 88.8% humidity
27.0°
Feels 33.5°
48
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast
54 6am
54
54
48 9am
50
51
52 12pm
52
53
53 3pm
53
54
54 6pm
54
54
34 9pm
27
27
25 12am
25
25
27 3am
27
27
AD 728×90

Air Quality Index Trend

46h · 1 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.

88.8%
Humidity
88.5 km/h
Wind E
988.2 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
48
11.54 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Saikai?

Temperature & Precipitation

PM2.5 Trend

46h · 1 station
PM2.511.54 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX10.9
Extreme
AD 300×250
Station readings (4 stations within 25 km)
11.54
Median
12.05
Average
7.2
Low
18.8
High
PM2.5 µg/m³ · Model: 10.0 · Bias: -1.5

What is the 7-day forecast for Saikai?

07-22
27.5° 25.7°
3.94 mm
07-23
28.1° 23.9°
1.12 mm
07-24
27.5° 25.6°
6.88 mm
07-25
27.0° 24.9°
07-26
27.7° 26.1°
0.06 mm
07-27
28.8° 26.2°
1.13 mm
07-28
27.7° 26.2°
Both models agree Avg diff: 2.1°C

Where are air quality stations near Saikai?

38
Osetocho Yukinourakamigo, Saikai, Nagasaki, Japan (雪浦大気測定局西海市)
7.2 km PM2.5: 9.1 µg/m³
30
Osetocho Yukinourakamigo, Saikai, Nagasaki, Japan (雪浦大気測定局西海市)
7.2 km PM2.5: 7.2 µg/m³
55
Kinkaimura Matsumachi, Nagasaki, Nagasaki, Japan (村松長崎市)
16.4 km PM2.5: 14.0 µg/m³
21
Kawatana, Nagasaki Prefecture, Japan (川棚大気測定局東彼杵郡川棚町)
19.5 km PM2.5: 5.0 µg/m³
22
Fukuishicho, Sasebo, Nagasaki, Japan (福石佐世保市)
20.0 km PM2.5: 5.3 µg/m³
70
Daitocho, Sasebo, Nagasaki, Japan (大塔佐世保市)
20.6 km PM2.5: 21.1 µg/m³
70
Daitocho, Sasebo, Nagasaki, Japan (大塔佐世保市)
20.6 km PM2.5: 21.1 µg/m³
34
Sasebo (佐世保)
22.0 km PM2.5: 8.2 µg/m³
80
Sasebo (佐世保)
22.0 km PM2.5: 25.9 µg/m³
59
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: 15.9 µg/m³

What cities are near Saikai?

42 Sasebo 65 Togitsu 44 Ōmura 58 Obita 30 Arita 25 Nagasaki 23 Ureshinomachi-shimojuku 34 Imarichō-kō 35 Isahaya 17 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 2026-07-22T00:21 UTC.