REAL-TIME AIR POLLUTION MONITORING
Siliguri AQI Today
Live Air Quality Index (AQI), PM2.5, PM10, and atmospheric pollution levels for Siliguri, West Bengal. Calibrated to official CPCB and US EPA standards.
STATION COORDS: 26.7271° N, 88.3953° E•DATA SOURCE: CPCB / NOAA AIR SENSORS•HOURLY REAL-TIME UPDATE
🇮🇳 INDIAN CPCB NAQI STANDARDPRIMARY SCALE
57
Satisfactory
Calculated using Central Pollution Control Board piecewise linear interpolation over PM2.5 and PM10 particulate concentrations.
PROMINENT POLLUTANT: PM2.5SCALE: 0 – 500
🇺🇸 US EPA STANDARD (2024 REVISED)GLOBAL BENCHMARK
99
Moderate
Calibrated with revised 2024 US EPA annual PM2.5 health thresholds for international environmental monitoring.
TARGET PM2.5: ≤ 9.0 µg/m³SCALE: 0 – 500
Siliguri Atmospheric Pollutant Breakdown
PM2.5 PARTICLES
34.6 µg/m³
Fine Respirable Matter
PM10 PARTICLES
38.2 µg/m³
Inhalable Dust / Ash
OZONE (O₃)
145 µg/m³
Surface Ground Ozone
NO₂ NITROGEN
6.7 µg/m³
Vehicular Exhaust
SO₂ SULPHUR
6.5 µg/m³
Industrial Emissions
CO CARBON
741 µg/m³
Combustion Byproduct
Health Advisory & Actionable Precautions for Siliguri
HEALTH IMPACT ASSESSMENT
Air quality is satisfactory. Normal outdoor activities are safe for all individuals.
MASK RECOMMENDATION
No mask required for general population.
INDOOR VENTILATION
Natural ventilation and open windows are safe.