ENVIRONMENTAL MONITORING

Air quality, at a glance.

Your sensor readings, with the context that matters.

AEROVISION / ESP32

YOUR AIR, EXPLAINEDWaiting for data

Waiting for a reading

We’ll interpret your device’s readings as soon as they arrive.

Below warningWarningAlertUnavailable

Sound alerts

Off

Hear a chime when a fresh reading crosses a device warning or alert level.

Sound is off for this visit.

Keep this page open and visible. Repeats every minute until silenced or readings drop below warning. Browser settings may mute sound.

Latest readings Waiting for data

Last upload —

Colors describe your device’s reference levels. Gas readings are raw sensor signals, not calibrated concentrations or an AQI score. These sensors and browser alerts do not replace a certified gas or CO alarm.

THE BIGGER PICTURE

Sensor history

Look beyond a single reading.

Carbon monoxideraw ADC counts

Show reference levels

Waiting for sensor readings

The chart will appear when the channel responds.

Reading public channel 3440033…Times shown in GMT+8

Lowest recorded—

Sample average—

Highest recorded—

Valid samples—

KNOW YOUR READINGS

Four perspectives on your environment

Understand what each sensor measures.

DEVICE REFERENCE LEVELS

Warning and alert levels match your ESP32 sketch. A missing reading stays unavailable. A recorded PM2.5 zero is unverified because the current firmware also sends zero when a read fails.