Live Air Quality
Air Quality Index Map
Real-time outdoor air quality from monitoring stations worldwide. Search your city to see what you're breathing — and what's getting inside.
Loading air quality data...
Air Quality Index
Good
0–50
Moderate
51–100
Sensitive Groups
101–150
Unhealthy
151–200
Very Unhealthy
201–300
Hazardous
300+
Outdoor air gets inside. Clean it.
Even with windows closed, outdoor pollutants infiltrate through HVAC, doors, and building gaps. SCA's 6-stage filtration captures what gets through — down to 0.1 microns.