Air Quality in Saikai, Japan

Windy
21.3°C · 87.5% humidity
21.3°
Feels 21.3°
37
Good
Air quality is satisfactory. Enjoy outdoor activities.
11 stations

Nearby Monitoring Stations

AQI Forecast
54 1am
54
54
37 4am
34
34
34 7am
34
34
34 10am
34
54
54 1pm
54
54
54 4pm
34
34
34 7pm
34
34
54 10pm
54
54
AD 728×90

Air Quality Index Trend

47h · 15 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.

87.5%
Humidity
55.8 km/h
Wind SE
1015.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
37
8.85 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for Saikai?

Temperature & Precipitation

PM2.5 Trend

47h · 15 stations
PM2.58.85 µg/m³ ✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (11 stations within 25 km)
8.85
Median
8.64
Average
5.0
Low
12.6
High
PM2.5 µg/m³ · Model: 13.7 · Bias: +4.8

What is the 7-day forecast for Saikai?

05-29
21.9° 20.2°
0.25 mm
05-30
21.5° 20.4°
05-31
21.5° 20.6°
06-01
22.2° 20.0°
4.94 mm
06-02
23.4° 21.4°
06-03
22.4° 20.0°
50.75 mm
06-04
22.0° 20.7°
70.31 mm
Both models agree Avg diff: 2.8°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
14
Osetocho Yukinourakamigo, Saikai, Nagasaki, Japan (雪浦大気測定局西海市)
7.2 km PM2.5: 3.4 µg/m³
47
Kinkaimura Matsumachi, Nagasaki, Nagasaki, Japan (村松長崎市)
16.4 km PM2.5: 11.3 µg/m³
44
Kawatana, Nagasaki Prefecture, Japan (川棚大気測定局東彼杵郡川棚町)
19.5 km PM2.5: 10.6 µg/m³
38
Fukuishicho, Sasebo, Nagasaki, Japan (福石佐世保市)
20.0 km PM2.5: 9.1 µg/m³
88
Daitocho, Sasebo, Nagasaki, Japan (大塔佐世保市)
20.6 km PM2.5: 29.7 µg/m³
57
Daitocho, Sasebo, Nagasaki, Japan (大塔佐世保市)
20.6 km PM2.5: 15.0 µg/m³
34
Sasebo (佐世保)
22.0 km PM2.5: 8.2 µg/m³
30
Sasebo (佐世保)
22.0 km PM2.5: 7.2 µg/m³
34
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: 8.2 µg/m³

What cities are near Saikai?

36 Sasebo 35 Togitsu 36 Ōmura 35 Obita 37 Arita 30 Nagasaki 38 Ureshinomachi-shimojuku 48 Imarichō-kō 34 Isahaya 30 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 2026-05-29T19:15 UTC.