Air Quality in Suzaka, Japan

Overcast
20.6°C · 91.3% humidity
20.6°
Feels 20.6°
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
28 7am
21
19
34 10am
30
29
27 1pm
25
24
21 4pm
20
20
20 7pm
20
19
28 10pm
28
28
21 1am
19
19
21 4am
21
21
Station readings 47h ago
AQI 21
PM2.5 5.0 µg/m³ · 47h ago
AD 728×90

Air Quality Index Trend

43h · 9 stn

Suzaka'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.

91.3%
Humidity
19.4 km/h
Wind SSW
1009.9 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
34
8.2 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Suzaka?

Temperature & Precipitation

PM2.5 Trend

43h · 9 stations
PM2.58.2 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
Station readings (1 station within 25 km)
8.2
Median
8.2
Average
8.2
Low
8.2
High
PM2.5 µg/m³ · Model: 7.1 · Bias: -1.1

What is the 7-day forecast for Suzaka?

08-03
29.6° 20.5°
4.5 mm
08-04
34.5° 21.2°
6.62 mm
08-05
26.5° 19.3°
1.94 mm
08-06
26.7° 19.9°
43.0 mm
08-07
31.9° 20.4°
3.06 mm
08-08
30.3° 21.9°
27.56 mm
08-09
26.1° 19.8°
2.12 mm
Both models agree Avg diff: 4.2°C

Where are air quality stations near Suzaka?

14
Nagano (長野)
10.9 km PM2.5: 3.4 µg/m³
25
Amori, Nagano, Nagano, Japan (環境保全研究所長野市)
12.9 km PM2.5: 6.0 µg/m³
42
Awasa, Chikuma, Nagano, Japan (更埴インターチェンジ千曲市)
21.3 km PM2.5: 10.1 µg/m³
21
Awasa, Chikuma, Nagano, Japan (更埴インターチェンジ千曲市)
21.3 km PM2.5: 5.0 µg/m³
34
Ozasa, Gunma, Japan (嬬恋村運動公園吾妻郡嬬恋村)
23.7 km PM2.5: 8.2 µg/m³

What cities are near Suzaka?

30 Nagano 28 Nakano 28 Iiyama 27 Sakaki 27 Chikuma 34 Ueda 34 Tōmi 31 Kamimaruko 34 Komoro 34 Miyota
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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 2026-08-08T01:57 UTC.