Air Quality in Sanjō, Japan
Heavy Rain
22.2°C · 95.1% humidity
22.2°
Feels 22.2°
33
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Sanjō's air quality — share it
AQI Forecast
25
5am
25
25
33
8am
33
38
37
11am
36
36
35
2pm
35
35
34
5pm
34
34
34
8pm
34
54
34
11pm
34
34
34
2am
27
34
Air Quality Index Trend
43h · 4 stnSanjō'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.
95.1%
Humidity
32.9 km/h
Wind E
1000.4 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
7.9 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Sanjō?
Temperature & Precipitation
PM2.5 Trend
43h · 4 stationsPM2.57.9 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX1.4
Low
Station readings (2 stations within 25 km)
7.9
Median
8.05
Average
6.0
Low
10.1
High
PM2.5 µg/m³ · Model: 9.75 · Bias: +1.9
What is the 7-day forecast for Sanjō?
07-21
30.0° 21.8°
5.25 mm
07-22
28.0° 22.0°
15.63 mm
07-23
30.8° 18.1°
07-24
30.4° 24.1°
0.06 mm
07-25
32.7° 22.1°
0.31 mm
07-26
29.0° 22.1°
0.25 mm
07-27
31.0° 22.0°
1.75 mm
Both models agree
Avg diff: 2.4°C
Where are air quality stations near Sanjō?
25
Niigata Prefecture, Japan (巻新潟市西蒲区)
65
Niigata Prefecture, Japan (巻新潟市西蒲区)
22
Shineichō, Niigata-ken, Japan (新津新潟市秋葉区)
What cities are near Sanjō?
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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 2026-07-21T23:15 UTC.