Nova Fitness SDS018 - Laser dust / clean air sensor UART / PWM PM2.5 / PM10

BME688 integrated gas, pressure, temperature and humidity sensor module in a single MEMS housing. It is equipped with an I2C and SPI interface. It has built-in AI functions. Waveshare BME688 Environmental Sensor

A sensor used to detect air pollutants by measuring VOCs and gases such as ammonia or hydrogen sulfide. It is used in various areas, such as the food industry, chemical industry, air quality control in laboratories and environmental monitoring. Figaro TGS2602

The SCD-40 CO2, temperature and humidity sensor module provides high accuracy readings. It is equipped with a Qwiic connector and communicates via an I2C interface. SparkFun SEN-22395

Module dedicated to projects related to air quality monitoring. It uses the popular ENS160 and BME280 chips and provides a variety of environmental data such as Air Quality Index (AQI), TVOCs levels, CO2 equivalent (eCO2), atmospheric pressure, humidity and temperature. It communicates via the I2C interface and offers two Qwiic connectors. SparkFun SEN-22858

The SEN55 sensor module from Sensirion, which combines a sensor allowing the measurement of particulate matter, volatile organic compounds, NOx, humidity and temperature in one housing. SparkFun SEN-23715

Digital sensor dedicated to measuring carbon dioxide (CO2), air temperature and relative humidity. High performance, fast response and excellent stability make it an ideal solution for a variety of applications such as greenhouses, cities, poultry farms and transport stations. Seeed Studio 101991029

Indoor air quality measurement module, combining two high-end Sensirion sensors – SCD41 and SEN55. It offers a comprehensive set of measurements, including CO2 concentration, volatile organic compounds (VOC), suspended dust (PM1.0, PM2.5, PM4, PM10), as well as temperature and relative humidity. SparkFun SEN-25200

Compact MEMS environmental sensor capable of measuring temperature, humidity, pressure and VOC, with I2C and SPI support and AI-powered gas analysis. Ideal for projects such as weather stations, smart home systems and air quality monitors, it provides high measurement precision and integration flexibility. DFRobot SEN0617

TVOC Sensor is a high-performance and precise sensor for detecting volatile organic compounds, formaldehyde, and CO₂. The integrated UART interface allows easy communication with microcontrollers, making it an ideal solution for air monitoring projects in homes, industry, vehicles, and consumer electronics.

Bosch environmental sensor that measures temperature, humidity, pressure and air quality based on gas analysis (VOC, VSC, CO, H₂). It is characterized by low power consumption, high resistance to moisture and the ability to train AI algorithms to identify specific pollutants. It is compatible with Raspberry Pi, Raspberry Pi Pico, Breakout Garden and Qwiic/STEMMA QT systems, which allows easy integration without soldering. Pimoroni PIM769

Miniature air quality sensor described by the manufacturer as World\'s Smallest Fanless Air Quality Sensor, measurement of PM1, PM2.5 and PM10, I2C/SPI communication, operating voltage 3.3 V. DFRobot SEN0663

BME688 environmental sensor module for measuring temperature, humidity, atmospheric pressure and VOC gas resistance; IAQ index calculation using the Bosch BSEC library; Bosch AI Studio support for gas mixture recognition; I2C interface; 3.3 V power supply and logic levels; 2 Grove connectors; compatible with Raspberry Pi and Raspberry Pi Pico.

BME680 environmental sensor module for measuring temperature, humidity, atmospheric pressure, and parameters used for air quality assessment. It communicates over I2C at address 0x76 and features two Qwiic connectors for integration with compatible boards. The breakout supports 3.3V and 5V power supplies. Soldered 333035

Ozone (O₃) sensor breakout featuring an MQ131 sensing element, an analog AO output and a digital DO output. An onboard potentiometer allows adjustment of the digital output threshold. The module operates from a 5V supply and can be used in ozone monitoring projects and systems working with ozone generators. Soldered 333110

Carbon monoxide sensor breakout featuring an MQ7 sensing element, an ATtiny404 microcontroller and an I2C interface. Two Qwiic connectors enable solderless connection to a compatible controller board, while onboard switches allow the I2C address to be changed. The module operates from a 3.3V supply and detects the presence of CO and changes in its level in the air. Soldered 333121

MQ138 sensor breakout for monitoring air quality and detecting volatile organic compounds, including benzene, toluene, acetone and formaldehyde. Equipped with an ATtiny404 microcontroller and two Qwiic connectors, it communicates over I2C and operates from a 3.3V supply. Provides approximate gas level readings for monitoring changes in air pollution. Soldered 333128