Air quality now
Air quality in Mexico City
Mexico
Above WHO limits — O₃ is 1.8× the WHO limit
- PM2.518 µg/m³1.2×
- PM1018 µg/m³0.4×
- NO₂8 µg/m³0.3×
- O₃175 µg/m³1.8×
- SO₂14 µg/m³0.3×
- CO517 µg/m³0.1×
What you're seeing
Each ball is a pollutant measured in Mexico Cityright now. The more balls of a colour, the more of that pollutant is in the air — normalised against the World Health Organization's safe limits, so a hazy city looks unmistakably denser than a clean one. Data is live from Open-Meteo / CAMS. How Polly works →
Want your own city and a hay-fever pollen view? Open the live map, or track your symptoms against the air.