Air Quality in Suzaka, Japan

Rain
18.8°C · 69.4% humidity
18.8°
Feels 18.8°
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast
24 4am
24
24
27 7am
24
24
25 10am
24
24
25 1pm
34
54
54 4pm
54
34
34 7pm
34
27
27 10pm
27
27
34 1am
27
27
AD 728×90

Air Quality Index Trend

46h · 4 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. Current PM2.5 concentration in Suzaka is 1.3× the WHO annual guideline of 5 µg/m³.

69.4%
Humidity
24.7 km/h
Wind WNW
998.4 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
27
6.36 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Suzaka?

Temperature & Precipitation

PM2.5 Trend

46h · 4 stations
PM2.56.36 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (3 stations within 25 km)
6.36
Median
5.77
Average
4.1
Low
7.2
High
PM2.5 µg/m³ · Model: 7.0 · Bias: +0.6

What is the 7-day forecast for Suzaka?

05-28
25.2° 9.1°
05-29
21.3° 14.9°
40.06 mm
05-30
22.8° 13.3°
2.63 mm
05-31
24.8° 14.7°
0.06 mm
06-01
22.7° 15.7°
0.31 mm
06-02
23.2° 13.5°
0.31 mm
06-03
26.1° 16.6°
4.19 mm
Both models agree Avg diff: 2.7°C

Where are air quality stations near Suzaka?

38
Nagano (長野)
10.9 km PM2.5: 9.1 µg/m³
34
Nagano (長野)
10.9 km PM2.5: 8.2 µg/m³
30
Amori, Nagano, Nagano, Japan (環境保全研究所長野市)
12.9 km PM2.5: 7.2 µg/m³
25
Shinonoifusetakada, Nagano, Nagano Prefecture, Japan (篠ノ井長野市)
17.7 km PM2.5: 6.0 µg/m³
21
Shinonoifusetakada, Nagano, Nagano Prefecture, Japan (篠ノ井長野市)
17.7 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
9
Ozasa, Gunma, Japan (嬬恋村運動公園吾妻郡嬬恋村)
23.7 km PM2.5: 2.2 µg/m³
21
Ozasa, Gunma, Japan (嬬恋村運動公園吾妻郡嬬恋村)
23.7 km PM2.5: 5.0 µg/m³

What cities are near Suzaka?

28 Nagano 28 Nakano 27 Iiyama 28 Sakaki 28 Chikuma 32 Ueda 32 Tōmi 44 Kamimaruko 32 Komoro 17 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 2026-05-28T22:53 UTC.