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Current AQI at CHS

🌡
Temperature, humidity and pressure sensor.
A
Laser counter channel A
B
Laser counter channel B
✓100%
Confidence is a measure of how much this sensor's particulate or particle data can be trusted. It is calculated by comparing channel A and B.
PA-II
The type or model of sensor
7.02
Firmware Version
⧉ PurpleAir Map
View this sensor on the PurpleAir map...
This sensor's WiFi signal strength is weak at -78dbm