Air Quality in Niigata, Japan
Cloudy
17.7°C · 86.4% humidity
17.7°
Feels 17.7°
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations
Nearby Monitoring Stations
Niigata's air quality — share it
AQI Forecast
27
6am
27
25
38
9am
36
34
32
12pm
30
29
36
3pm
28
35
28
6pm
27
34
34
9pm
27
34
34
12am
34
34
34
3am
54
54
Air Quality Index Trend
47h · 3 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
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.06 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Niigata?
Temperature & Precipitation
PM2.5 Trend
47h · 3 stationsPM2.59.06 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX10.9
Extreme
Station readings (4 stations within 25 km)
9.06
Median
6.35
Average
3.8
Low
9.1
High
PM2.5 µg/m³ · Model: 6.0 · Bias: -3.1
What is the 7-day forecast for Niigata?
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°
06-15
21.5° 19.5°
2.31 mm
Both models agree
Avg diff: 0.8°C
Where are air quality stations near Niigata?
13
Niigata (新潟)
34
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)
27
Niigata Prefecture, Japan (巻新潟市西蒲区)
13
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 2026-06-09T00:51 UTC.