environment hard MCQ

Which of the following technologies is used for real-time monitoring of air quality in urban areas?

  1. Seismographs
  2. Continuous Ambient Air Quality Monitoring Stations (CAAQMS)
  3. Sonar systems
  4. Radio telescopes

Answer: Continuous Ambient Air Quality Monitoring Stations (CAAQMS)

CAAQMS use automated analyzers to measure pollutants like PM2.5, PM10, NO2, SO2, CO, and O3 continuously, providing real-time data for public awareness.

Topic Environmental Monitoring and Technology
Exam Relevance UPSC