REAL-TIME AIR POLLUTION MONITORING
Toronto AQI Today
Live Air Quality Index (AQI), PM2.5, PM10, and atmospheric pollution levels for Toronto, Ontario. Calibrated to official CPCB and US EPA standards.
STATION COORDS: 43.6532° N, -79.3832° E•DATA SOURCE: CPCB / NOAA AIR SENSORS•HOURLY REAL-TIME UPDATE
🇮🇳 INDIAN CPCB NAQI STANDARDPRIMARY SCALE
4
Good
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
12
Good
Calibrated with revised 2024 US EPA annual PM2.5 health thresholds for international environmental monitoring.
TARGET PM2.5: ≤ 9.0 µg/m³SCALE: 0 – 500
Toronto Atmospheric Pollutant Breakdown
PM2.5 PARTICLES
2.2 µg/m³
Fine Respirable Matter
PM10 PARTICLES
2.3 µg/m³
Inhalable Dust / Ash
OZONE (O₃)
56 µg/m³
Surface Ground Ozone
NO₂ NITROGEN
12.7 µg/m³
Vehicular Exhaust
SO₂ SULPHUR
2.9 µg/m³
Industrial Emissions
CO CARBON
182 µg/m³
Combustion Byproduct
Health Advisory & Actionable Precautions for Toronto
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.