air pollution sensors

Air pollution sensors are devices that measure the presence of harmful particles and gases in the air, such as dust, smoke, nitrogen dioxide, and ozone. They work by detecting pollutants at a very small scale, often using chemical or optical methods, to provide real-time data on air quality. These sensors help identify pollution levels in a specific location, supporting public health decisions and environmental monitoring. They vary in size and complexity, from portable units to fixed installations, enabling communities and scientists to track air quality trends and take action to reduce pollution exposure.