Air Quality in Saku, Japan

Cloudy
17.6°C · 70.8% humidity
17.6°
Feels 17.6°
6
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast
24 8am
24
24
6 11am
11
15
17 2pm
19
21
23 5pm
23
24
26 8pm
26
34
34 11pm
54
54
54 2am
54
54
54 5am
54
54
AD 728×90

Air Quality Index Trend

47h · 4 stn

Saku'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.

70.8%
Humidity
9.4 km/h
Wind NW
1015.5 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
6
1.46 µg/m³
PM10▲
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Saku?

Temperature & Precipitation

PM2.5 Trend

47h · 4 stations
PM2.51.46 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX17.4
Extreme
AD 300×250
Station readings (2 stations within 25 km)
1.46
Median
3.8
Average
1.4
Low
6.2
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +4.4

What is the 7-day forecast for Saku?

06-09
19.8° 14.2°
1.94 mm
06-10
19.4° 11.9°
17.94 mm
06-11
22.5° 12.1°
0.75 mm
06-12
18.9° 13.3°
1.31 mm
06-13
25.9° 14.8°
0.13 mm
06-14
23.9° 13.5°
4.75 mm
06-15
23.5° 15.5°
0.5 mm
Both models agree Avg diff: 2.7°C

Where are air quality stations near Saku?

34
Atobe, Saku, Nagano, Japan (佐久佐久市)
2.4 km PM2.5: 8.2 µg/m³
1
倉敷市/庄, Japan (庄倉敷市)
20.7 km PM2.5: 0.2 µg/m³

What cities are near Saku?

10 Komoro 6 Miyota 14 Tōmi 6 Karuizawa 20 Kamimaruko 26 Ueda 25 Tomioka 26 Chino 16 Sakaki 26 Suwa
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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 2026-06-09T02:16 UTC.