Air quality now
Air quality in Mexico City
Mexico
Above WHO limits — NO₂ is 1.0× the WHO limit
🚬 Breathing this all day ≈ smoking 0.7 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.
- PM2.515 µg/m³1.0×
- PM1016 µg/m³0.4×
- NO₂25 µg/m³1.0×
- O₃49 µg/m³0.5×
- SO₂24 µg/m³0.6×
- CO474 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.