Monitoring my home's air quality with AirGradient's DIY sensor (jeffgeerling.com)

Article summary

The author built a DIY air quality monitor using AirGradient's sensor and integrated it into their home monitoring setup. The sensor measures CO2, PM2.5, temperature, and humidity levels, and the data is sent to a Prometheus instance and displayed on a Grafana dashboard. The author notes that the sensor package and board layout are not perfect, but the device has been a stable and helpful addition to their home environment monitoring. The total cost of the components was between $60-80.

Main themes

• DIY air quality monitoring
• home automation
• air pollution
• sensor calibration
• temperature and humidity control
• ozone measurement
• indoor air quality
• electronics projects

What commenters say

• Some commenters discussed the ideal temperature and humidity levels for a home, with opinions ranging from 78-80°F to 82°F.
• The use of electric candles as a alternative to traditional candles was suggested to reduce air pollution.
• A commenter asked about DIY ozone sensor options, and another suggested using an MQ131 sensor.
• There was a discussion about the importance of measuring ozone levels, with some commenters trusting their sense of smell and others preferring to rely on sensors.
• The effectiveness of HEPA filters in improving air quality was mentioned.
• One commenter shared their experience with building a similar air quality monitor using an ESP8266 and an SPS30 sensor.
• The need to consider temperature and humidity when evaluating air quality sensor readings was noted.
• A commenter recommended using a pollen map to inform decisions about where to live.