Air Quality in Niigata, Japan
Heavy Rain
17.6°C · 81.6% humidity
17.6°
Feels 17.6°
32
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations
Nearby Monitoring Stations
Niigata's air quality — share it
AQI Forecast
25
3am
25
25
32
6am
32
31
30
9am
29
35
55
12pm
55
54
54
3pm
34
54
54
6pm
54
54
54
9pm
54
54
54
12am
34
34
Air Quality Index Trend
46h · 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. Current PM2.5 concentration in Niigata is 1.5× the WHO annual guideline of 5 µg/m³.
81.6%
Humidity
49.7 km/h
Wind SSE
997.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
7.6 µg/m³
PM10
34.3 µg/m³
050100150200300500
What is the weather forecast for Niigata?
Temperature & Precipitation
PM2.5 Trend
46h · 4 stationsPM2.57.6 µg/m³
✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX0.7
Low
Station readings (5 stations within 25 km)
7.6
Median
5.6
Average
2.2
Low
11.5
High
PM2.5 µg/m³ · Model: 12.6 · Bias: +5.0
What is the 7-day forecast for Niigata?
05-28
21.3° 14.3°
0.88 mm
05-29
18.0° 16.0°
31.5 mm
05-30
18.8° 16.7°
0.75 mm
05-31
19.9° 17.6°
06-01
18.5° 17.7°
06-02
19.4° 18.2°
0.06 mm
06-03
20.1° 18.5°
2.0 mm
Both models agree
Avg diff: 1.5°C
Where are air quality stations near Niigata?
42
Niigata (新潟)
28
Matsuhama, Niigata-ken, Japan (松浜新潟市北区)
17
Matsuhama, Niigata-ken, Japan (松浜新潟市北区)
21
Shineichō, Niigata-ken, Japan (新津新潟市秋葉区)
2
Niigata Prefecture, Japan (巻新潟市西蒲区)
35
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 2026-05-28T21:36 UTC.