The BME680 is one of the most popular sensors for gathering gas, pressure, humidity, and temperature data. Likewise, the BME280 is a popular alternative that does not include a gas sensor.
The easiest way to learn how to access sensor data from a BME680 or BME280 is by following one of the Blues Wireless sensor tutorials that use the Notecard to securely relay sensor data to the cloud:
STM32 Discovery
STM32 Nucleo