Air Quality in Saikai, Japan

Windy
23.1°C · 80.3% humidity
23.1°
Feels 23.1°
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
6 stations

Nearby Monitoring Stations

AQI Forecast
54 2pm
34
27
42 5pm
38
35
33 8pm
31
37
36 11pm
35
35
35 2am
35
27
27 5am
27
27
27 8am
27
27
27 11am
27
27
AD 728×90

Air Quality Index Trend

46h · 16 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.

80.3%
Humidity
57.5 km/h
Wind SSW
1011.5 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
42
10.12 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Saikai?

Temperature & Precipitation

PM2.5 Trend

46h · 16 stations
PM2.510.12 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (6 stations within 25 km)
10.12
Median
9.0
Average
6.2
Low
14.0
High
PM2.5 µg/m³ · Model: 7.35 · Bias: -2.8

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: 2.4°C

Where are air quality stations near Saikai?

42
Osetocho Yukinourakamigo, Saikai, Nagasaki, Japan (雪浦大気測定局西海市)
7.2 km PM2.5: 10.1 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
18
Kinkaimura Matsumachi, Nagasaki, Nagasaki, Japan (村松長崎市)
16.4 km PM2.5: 4.3 µg/m³
30
Kawatana, Nagasaki Prefecture, Japan (川棚大気測定局東彼杵郡川棚町)
19.5 km PM2.5: 7.2 µg/m³
34
Fukuishicho, Sasebo, Nagasaki, Japan (福石佐世保市)
20.0 km PM2.5: 8.2 µg/m³
34
Daitocho, Sasebo, Nagasaki, Japan (大塔佐世保市)
20.6 km PM2.5: 8.2 µg/m³
28
Daitocho, Sasebo, Nagasaki, Japan (大塔佐世保市)
20.6 km PM2.5: 6.7 µg/m³
25
Sasebo (佐世保)
22.0 km PM2.5: 6.0 µg/m³
25
Sasebo (佐世保)
22.0 km PM2.5: 6.0 µg/m³
38
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: 9.1 µg/m³

What cities are near Saikai?

48 Sasebo 27 Togitsu 32 Ōmura 28 Obita 42 Arita 18 Nagasaki 38 Ureshinomachi-shimojuku 50 Imarichō-kō 30 Isahaya 43 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 2026-06-09T08:04 UTC.