Air quality now
Air quality in Mexico City
Mexico
Hazardous — NO₂ is 4.0× the WHO limit
🚬 Breathing this all day ≈ smoking 1.3 cigarettes
Each ball below is a pollutant measured in Mexico City, sized against WHO safe limits — it's a snapshot of the air, not a map.
- PM2.529 µg/m³2.0×
- PM1030 µg/m³0.7×
- NO₂100 µg/m³4.0×
- O₃21 µg/m³0.2×
- SO₂34 µg/m³0.8×
- CO2176 µg/m³0.5×
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.