The Delhi government has announced plans to test 22 different anti-pollution technologies across the national capital in an effort to identify effective solutions to tackle the city’s persistent air quality crisis. The trials will be conducted at multiple locations and are expected to evaluate how various technologies perform under real urban conditions.

Officials said the initiative will examine devices designed to reduce particulate matter such as PM2.5 and PM10, which are major contributors to Delhi’s hazardous air pollution levels. The technologies proposed for testing include smog towers, large-scale outdoor air purifiers, dust suppression systems, and other pollution-control equipment developed by private firms and research organisations.

The trials will be supervised by the Delhi Pollution Control Committee (DPCC) along with technical experts who will monitor their effectiveness over a specified period. Authorities plan to assess parameters such as pollution reduction capability, operational cost, energy consumption, and scalability before deciding whether any of the technologies can be deployed widely across the city.

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Delhi’s air pollution problem has long been attributed to a mix of factors including vehicular emissions, construction dust, industrial pollution, stubble burning in neighbouring states, and unfavourable weather conditions that trap pollutants near the ground. While regulatory steps such as restrictions on construction and vehicle movement have been implemented in the past, officials say technological interventions may provide additional support in managing localised pollution hotspots.

Environmental experts have cautioned that standalone devices cannot fully resolve Delhi’s pollution crisis, stressing that structural measures such as reducing emissions from vehicles and industries remain crucial. However, they acknowledge that targeted technologies may help improve air quality in specific areas such as traffic intersections, markets, and construction zones.

The Delhi government said the trial results will help determine which technologies are practical, cost-effective, and capable of producing measurable improvements in air quality. If successful, the most promising devices could be adopted on a larger scale as part of the capital’s broader strategy to combat pollution and protect public health.

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