Air quality now
Air quality in Los Angeles
United States
Within WHO limits — PM2.5 is 1.0× the WHO limit
🚬 Breathing this all day ≈ smoking 0.7 cigarettes
Each ball below is a pollutant measured in Los Angeles, sized against WHO safe limits — it's a snapshot of the air, not a map.
- PM2.515 µg/m³1.0×
- PM1015 µg/m³0.3×
- NO₂24 µg/m³1.0×
- O₃82 µg/m³0.8×
- SO₂8 µg/m³0.2×
- CO175 µg/m³0.0×
What you're seeing
Each ball is a pollutant measured in Los Angelesright 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.