1. Introduction
The Temtop Smart Air Quality Monitor S1+ is an indoor air quality meter designed to provide real-time monitoring of key environmental parameters. This device helps you maintain a healthy living or working environment by detecting PM2.5, Air Quality Index (AQI), temperature, and humidity levels. It features app connectivity for detailed data analysis and OTA updates for continuous improvement.

Image: The Temtop S1+ monitor showing its display with PM2.5, AQI, temperature, and humidity values.
2. What's in the Box
Upon opening the package, ensure all the following items are present:
- Temtop S1+ Air Quality Monitor
- Magnetic Bracket
- Type-C Charging Cable
- User Manual

Image: A visual representation of the Temtop S1+ package contents, showing the monitor, its magnetic bracket, a Type-C charging cable, and the user manual.
3. Product Overview
Familiarize yourself with the components and display elements of your Temtop S1+ monitor.

Image: A detailed diagram labeling the key features of the Temtop S1+ monitor, including the battery level, indicator bar, Type-C port, magnetic back, power button, mode button, work mode, time, PM2.5 level, AQI level, and temperature & humidity level.
Key Controls:
- Power Button: Long press to turn the monitor on/off. Click to activate Bluetooth. Double-click to toggle the buzzer.
- Mode Button: Short press to toggle between display modes. Long press to switch between Celsius and Fahrenheit. Simultaneously long press both buttons to enter Auto-Calibration State.
4. Setup
Charging the Device:
Before first use, fully charge the monitor using the provided Type-C cable and a standard USB power adapter (not included). The battery indicator on the display will show charging status.
Placement Options:
The Temtop S1+ offers versatile placement options:
- Desktop: Use the included magnetic bracket to stand the monitor upright on any flat surface.
- Magnetic: The device features a magnetic back, allowing it to be attached to metallic surfaces like refrigerators.
- Wall Mount: The magnetic bracket can also be used for wall mounting with appropriate adhesive strips (not included).

Image: The Temtop S1+ monitor shown in different placement scenarios, including standing on a desk, magnetically attached to a refrigerator, and using its bracket.
5. Operating Instructions
Power On/Off:
Long press the Power button to turn the device on or off. The display will illuminate and begin showing readings.
Understanding the Display:
The main display shows PM2.5 concentration, AQI (Air Quality Index), temperature, and humidity. A color-coded indicator bar on the right side of the screen provides a quick visual reference for air quality levels:
- Green: Good air quality
- Yellow: Moderate air quality
- Red: Poor air quality

Image: A table illustrating the PM2.5 and AQI thresholds for different air quality classifications (Poor, Fair, Good) based on NAAQS (2012) and NAAQS (2024) standards.
Audible Alerts:
The monitor can provide audible alerts when air quality levels exceed safe thresholds. Double-click the Power button to turn the buzzer alarm on or off.
Changing Temperature Units:
Long press the Mode button to switch between Celsius (°C) and Fahrenheit (°F) for temperature readings.
6. Modes of Operation
The Temtop S1+ offers different operating modes to optimize battery life and data refresh rates:
- ECO (Power Saving) Mode: Refreshes data every 30 minutes. This mode provides the longest battery life, up to 60 days.
- Automatic (Performance) Mode: Automatically updates data more frequently. This mode typically provides up to 20 days of battery life.
To switch between modes, short press the Mode button.

Image: A graphic comparing the battery life of the Temtop S1+ in ECO (Power Saving) mode (up to 90 days) and Automatic (Performance) mode (up to 30 days), against other monitors (typically 5 days). Note: Product specifications state 60 days for ECO mode, so the image's 90 days might be an older reference or maximum under ideal conditions.
7. App Connectivity
The Temtop S1+ can connect to a smartphone application for enhanced monitoring and data management. This allows for:
- Real-time Updates: Receive instant air quality feedback and notifications on your phone.
- Historical Trends: View past data to identify patterns and changes in air quality over time.
- Data Export: Export monitoring data for further analysis.
- Device Calibration: Perform calibration through the app for accurate readings.
- Custom Settings: Adjust various device settings directly from your smartphone.
To connect, ensure Bluetooth is enabled on your monitor (click the Power button) and follow the pairing instructions within the Temtop app.

Image: The Temtop S1+ monitor shown alongside a smartphone running the Temtop application, illustrating the device's app connectivity feature.

Image: Screenshots from the Temtop mobile application, highlighting features such as historical data trends, data export options, device calibration, and custom device settings.
8. Maintenance
Cleaning:
Wipe the device with a soft, dry cloth. Do not use abrasive cleaners or solvents, as these may damage the casing or display.
Storage:
When not in use for extended periods, store the monitor in a cool, dry place away from direct sunlight and extreme temperatures. Ensure the device is fully charged before storing to preserve battery health.
OTA Updates:
The device supports Over-The-Air (OTA) firmware updates. Connect the monitor to the app regularly to check for and install the latest updates, ensuring optimal performance and new features.
9. Troubleshooting
Device Not Turning On:
- Ensure the device is fully charged. Connect it to a power source using the Type-C cable.
- Perform a long press on the Power button (at least 3 seconds).
Inaccurate Readings:
- Ensure the device is placed in an area with good air circulation, away from direct drafts, heat sources, or excessive humidity.
- Perform an auto-calibration by simultaneously long pressing both the Power and Mode buttons.
- Check for any obstructions in the air intake/outlet vents.
- Humidity and temperature can influence PM2.5 readings. Ensure the environment is stable for accurate measurements.
App Connectivity Issues:
- Ensure Bluetooth is enabled on both your smartphone and the monitor (click the Power button on the monitor).
- Make sure the monitor is within Bluetooth range of your smartphone.
- Restart both the monitor and the smartphone app.
- Check if the app requires an update.
11. Safety Information
- Do not expose the device to extreme temperatures, direct sunlight, or high humidity.
- Avoid dropping or subjecting the device to strong impacts.
- Do not attempt to disassemble or repair the device yourself. Contact customer support for assistance.
- Keep the device out of reach of children and pets.
- Use only the provided Type-C charging cable.
12. Warranty and Support
Temtop products come with a standard manufacturer's warranty. For detailed warranty information, product support, or technical assistance, please visit the official Temtop website or contact their customer service. Contact information can typically be found on the product packaging or the official Temtop website.