What is the air quality in Niigata today?

The current Air Quality Index (AQI) in Niigata is 22 (Good). PM2.5 concentration is 5.15 µg/m³.

What is the temperature in Niigata right now?

The current temperature in Niigata is 21.1°C (feels like 21.1°C). Humidity is 58.7% and wind speed is 59.5 km/h.

Is it safe to go outside in Niigata?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Niigata, Japan

Windy

21.1°C · 58.7% humidity

21.1°

Feels 21.1°

Good

Air quality is satisfactory. Enjoy outdoor activities.

3 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

44h · 2 stn

View full history →

Niigata'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.

58.7%

Humidity

59.5 km/h

Wind SSE

1017.3 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.15 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Niigata?

Temperature & Precipitation

PM2.5 Trend

44h · 2 stations

PM2.55.15 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (3 stations within 25 km)

5.15

Median

6.43

Average

3.4

Low

10.1

High

PM2.5 µg/m³ · Model: 6.0 · Bias: +0.9

What is the 7-day forecast for Niigata?

10-21

21.1° 17.0°

10-22

19.5° 17.8°

1.13 mm

10-23

19.1° 14.4°

3.88 mm

10-24

16.6° 15.3°

13.06 mm

10-25

19.0° 12.8°

3.0 mm

10-26

18.7° 14.1°

4.25 mm

10-27

16.8° 14.5°

0.5 mm

Both models agree Avg diff: 2.8°C

Where are air quality stations near Niigata?

Niigata (新潟)

0.8 km PM2.5: 3.8 µg/m³

Matsuhama, Niigata-ken, Japan (松浜新潟市北区)

9.8 km PM2.5: 1.7 µg/m³

Tarodai, Niigata, Japan (太郎代新潟市北区)

17.0 km PM2.5: 10.1 µg/m³

Niigata Prefecture, Japan (巻新潟市西蒲区)

22.4 km PM2.5: 3.4 µg/m³

What cities are near Niigata?

25 Kameda-honchō 28 Niitsu-honchō 22 Shirone 33 Suibara 32 Agano 24 Maki 19 Gosen 44 Shibata 31 Muramatsu 24 Kamo

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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 2026-10-21T08:35 UTC.