Air Quality in Suzaka, Japan

Heavy Rain
22.4°C · 85.6% humidity
22.4°
Feels 22.4°
69
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast
27 6am
27
27
69 9am
57
49
42 12pm
38
35
33 3pm
31
30
29 6pm
35
55
55 9pm
55
54
54 12am
54
54
54 3am
54
54
AD 728×90

Air Quality Index Trend

47h · 3 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 1.4× the WHO 24-hour guideline of 15 µg/m³.

85.6%
Humidity
42.7 km/h
Wind SSW
1002.3 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
69
20.79 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Suzaka?

Temperature & Precipitation

PM2.5 Trend

47h · 3 stations
PM2.520.79 µg/m³ ×1.4 WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (2 stations within 25 km)
20.79
Median
19.7
Average
15.9
Low
23.5
High
PM2.5 µg/m³ · Model: 10.0 · Bias: -10.8

What is the 7-day forecast for Suzaka?

07-22
31.4° 19.6°
16.0 mm
07-23
27.5° 14.5°
0.81 mm
07-24
25.9° 22.0°
2.19 mm
07-25
26.4° 18.9°
17.12 mm
07-26
28.1° 19.3°
0.62 mm
07-27
30.0° 18.9°
3.62 mm
07-28
25.5° 21.0°
10.81 mm
Both models agree Avg diff: 2.4°C

Where are air quality stations near Suzaka?

76
Nagano (長野)
10.9 km PM2.5: 24.0 µg/m³
99
Nagano (長野)
10.9 km PM2.5: 34.9 µg/m³
93
Amori, Nagano, Nagano, Japan (環境保全研究所長野市)
12.9 km PM2.5: 32.1 µg/m³
50
Shinonoifusetakada, Nagano, Nagano Prefecture, Japan (篠ノ井長野市)
17.7 km PM2.5: 12.0 µg/m³
6
Shinonoifusetakada, Nagano, Nagano Prefecture, Japan (篠ノ井長野市)
17.7 km PM2.5: 1.4 µg/m³
13
Ozasa, Gunma, Japan (嬬恋村運動公園吾妻郡嬬恋村)
23.7 km PM2.5: 3.1 µg/m³
23
Ozasa, Gunma, Japan (嬬恋村運動公園吾妻郡嬬恋村)
23.7 km PM2.5: 5.5 µg/m³
82
Ozasa, Gunma, Japan (嬬恋村運動公園吾妻郡嬬恋村)
23.7 km PM2.5: 26.8 µg/m³

What cities are near Suzaka?

75 Nagano 42 Nakano 54 Iiyama 75 Sakaki 75 Chikuma 66 Ueda 61 Tōmi 63 Kamimaruko 61 Komoro 59 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 2026-07-22T00:21 UTC.