OrbisViews

Air quality · Japan

Niseko Air Quality (AQI) Now

27 Fair
European Air Quality Index
PM2.5
1.2µg/m³WHO limit 15
PM10
1.4µg/m³WHO limit 45
NO₂
1.5µg/m³
O₃
74µg/m³
Desert dust
0µg/m³
UV index
1.1
US AQI
27

Updated: · Source: Copernicus CAMS · Open-Meteo

Air quality in Niseko is fair right now: European Air Quality Index 27. Fine particulate matter (PM2.5) is 1.2 µg/m³, below the WHO guideline. Fine for outdoor activities; very sensitive people may reduce prolonged strenuous exercise. Pollution is expected to peak around 13:00 over the next 48 hours (index 34, fair). The average index over the last 6 days was 31.

Niseko 48-hour air quality forecast

13:00: 3413:0014:00: 3315:00: 3116:00: 3017:00: 2918:00: 2819:00: 2719:0020:00: 2721:00: 2722:00: 2923:00: 3100:00: 3301:00: 3301:0002:00: 3303:00: 3304:00: 3305:00: 3306:00: 3207:00: 3207:0008:00: 3209:00: 3110:00: 3111:00: 3112:00: 3013:00: 3013:0014:00: 3015:00: 3016:00: 3117:00: 3118:00: 3219:00: 3119:0020:00: 3121:00: 3022:00: 3023:00: 3000:00: 3001:00: 3001:0002:00: 3003:00: 3004:00: 3005:00: 3006:00: 3007:00: 3007:0008:00: 2909:00: 2910:00: 2911:00: 3012:00: 30

Niseko: air quality over the last 6 days

OrbisViews archive: daily mean index.

1: 373712: 292923: 323234: 353545: 252556: 26266

Air quality near Niseko

Cleanest to most polluted.

Frequently asked questions

Is Niseko polluted today?
Air quality in Niseko is fair right now: European Air Quality Index 27. Fine for outdoor activities; very sensitive people may reduce prolonged strenuous exercise.
Is it safe to exercise outdoors in Niseko today?
Yes, air quality is fair right now; fine for outdoor exercise.
How is the air quality index calculated?
The European Air Quality Index is set by the worst of PM2.5, PM10, nitrogen dioxide, ozone and sulphur dioxide: 0–20 good, 20–40 fair, 40–60 moderate, 60–80 poor, 80–100 very poor, above 100 extremely poor.

Values are Copernicus Atmosphere Monitoring Service (CAMS) model forecasts and may differ from local monitoring stations.

Niseko air quality: details

Pollutants and recent days

Nitrogen dioxide (NO₂) is 1.5 µg/m³ and ozone (O₃) 74 µg/m³; WHO guideline values are 25 (24 h) and 100 µg/m³ (8 h). Over the last 6 days the average air quality index was 31; the worst day was Sun, November 1 (37).