LIVE CAM
![Current northward view from Caltech Hall.](https://caltech-hall.library.caltech.edu/north.jpg)
Previous 7 day AQI
Current day AQI
Previous 7 day Temp
Current day Temp
AQI
Current O3 concentration ppbv
Previous 7 day O3
Current day O3
AQI
Current PM2.5 concentration μg/m³
Previous 7 day PM2.5
Current day PM2.5
AQI
Current PM10 concentration μg/m³
Previous 7 day PM10
Current day PM10
AQI
Current CO concentration ppbv
Previous 7 day CO
Current day CO
AQI
Current NO2 concentration ppbv
Previous 7 day NO2
Current day NO2