Hyderabad: Despite efforts under the National Air Quality Programme (NAQP) to strengthen air quality monitoring, nearly 55% of Hyderabad’s area remains uncovered, making it difficult to track and control emissions.

Currently, the city has 10 Continuous Ambient Air Quality Monitoring Stations (CAAQMS). However, experts say that this number is far below the requirement. According to the Centre for Science and Environment (CSE), which conducted a recent study, Hyderabad needs at least 30 CAAQMS stations to effectively monitor air quality across the Greater Hyderabad region, in line with CPCB guidelines that recommend station numbers based on population size.

The main pollutants measured by these monitoring centres include sulphur dioxide (SO₂), nitrogen oxides (NOx), ozone (O3), carbon dio

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