Air Quality in Niigata, Japan
Cloudy
17.7°C · 86.4% humidity
17.7°
Feels 17.7°
24
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations
Nearby Monitoring Stations
Niigata's air quality — share it
AQI Forecast
27
5am
27
27
24
8am
25
27
27
11am
27
27
27
2pm
34
27
34
5pm
27
27
34
8pm
34
27
34
11pm
34
34
34
2am
34
54
Air Quality Index Trend
47h · 4 stnNiigata'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.
86.4%
Humidity
18.4 km/h
Wind NE
1015.8 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.85 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Niigata?
Temperature & Precipitation
PM2.5 Trend
47h · 4 stationsPM2.55.85 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX6.9
High
Station readings (5 stations within 25 km)
5.85
Median
4.8
Average
2.2
Low
8.6
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +0.2
What is the 7-day forecast for Niigata?
06-08
21.5° 17.9°
10.0 mm
06-09
19.4° 17.7°
06-10
19.3° 18.1°
2.0 mm
06-11
21.0° 19.0°
06-12
20.7° 18.3°
0.75 mm
06-13
20.9° 18.1°
06-14
22.7° 18.9°
Both models agree
Avg diff: 0.8°C
Where are air quality stations near Niigata?
5
Niigata (新潟)
25
Matsuhama, Niigata-ken, Japan (松浜新潟市北区)
43
Matsuhama, Niigata-ken, Japan (松浜新潟市北区)
34
Shineichō, Niigata-ken, Japan (新津新潟市秋葉区)
26
Niigata Prefecture, Japan (巻新潟市西蒲区)
2
Niigata Prefecture, Japan (巻新潟市西蒲区)
What cities are near Niigata?
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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 2026-06-08T23:19 UTC.