Full Form of SPM

What is SPM?

Suspended Particulate Matter, commonly abbreviated as SPM, refers to the fine solid or liquid particles that remain suspended in the atmosphere and contribute significantly to air pollution. These particles typically include dust, smoke, soot, pollen, and other microscopic pollutants released from vehicles, industrial activities, construction sites, crop burning, and natural sources. In India, SPM is a critical environmental indicator used by the Central Pollution Control Board and the Ministry of Environment to monitor air quality across major cities, particularly in heavily polluted regions like Delhi, the National Capital Region, Kanpur, and Patna. The Air Quality Index used across Indian cities specifically tracks SPM levels alongside other pollutants. High SPM concentrations are directly linked to respiratory illnesses, cardiovascular complications, and reduced visibility, making it a serious public health concern. Government bodies regularly issue health advisories when SPM levels exceed permissible limits. The term appears frequently in competitive exams including UPSC Civil Services, SSC, and state public service commissions, especially in sections covering environment, ecology, and general awareness. Students preparing for these examinations should clearly understand the distinction between SPM, RPM, PM10, and PM2.5 measurements.

SPM का फुल फॉर्म

Example

The Central Pollution Control Board reported that SPM levels in Delhi crossed 500 micrograms per cubic metre during the post-Diwali period, prompting authorities to declare a public health emergency in the National Capital Region.

SPM — frequently asked questions

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