What is the air quality in Sanjō today?

The current Air Quality Index (AQI) in Sanjō is 13 (Good). PM2.5 concentration is 3.1 µg/m³.

What is the temperature in Sanjō right now?

The current temperature in Sanjō is 20.6°C (feels like 20.6°C). Humidity is 58.2% and wind speed is 20.7 km/h.

Is it safe to go outside in Sanjō?

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

Air Quality in Sanjō, Japan

Partly Cloudy

20.6°C · 58.2% humidity

20.6°

Feels 20.6°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

45h · 8 stn

View full history →

Sanjō'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.

58.2%

Humidity

20.7 km/h

Wind ESE

1017.2 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

3.1 µg/m³

PM10▲

27.4 µg/m³

050100150200300500

What is the weather forecast for Sanjō?

Temperature & Precipitation

PM2.5 Trend

45h · 8 stations

PM2.53.1 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

Station readings (1 station within 25 km)

3.1

Median

3.1

Average

3.1

Low

3.1

High

PM2.5 µg/m³ · Model: 8.2 · Bias: +5.1

What is the 7-day forecast for Sanjō?

10-21

20.6° 12.8°

10-22

20.7° 15.7°

0.94 mm

10-23

18.3° 9.6°

3.94 mm

10-24

15.6° 14.4°

8.87 mm

10-25

18.2° 12.2°

1.81 mm

10-26

18.6° 12.1°

0.44 mm

10-27

16.6° 12.8°

0.5 mm

Both models agree Avg diff: 3.2°C

Where are air quality stations near Sanjō?

Niigata Prefecture, Japan (巻新潟市西蒲区)

16.9 km PM2.5: 5.0 µg/m³

Jooka, Nagaoka, Niigata, Japan (城岡自排長岡市)

18.2 km PM2.5: 1.0 µg/m³

Shineichō, Niigata-ken, Japan (新津新潟市秋葉区)

24.5 km PM2.5: 3.1 µg/m³

Shineichō, Niigata-ken, Japan (新津新潟市秋葉区)

24.5 km PM2.5: 3.1 µg/m³

Shineichō, Niigata-ken, Japan (新津新潟市秋葉区)

24.5 km PM2.5: 4.1 µg/m³

What cities are near Sanjō?

26 Tsubame 25 Kamo 34 Mitsuke 28 Yoshida-kasugachō 32 Maki 34 Tochio-honchō 28 Shirone 34 Nagaoka 18 Muramatsu 22 Gosen

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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 2026-10-21T05:26 UTC.