“By court order 17 years ago, Delhi switched its public transport to CNG and banned leaded fuel. The capital’s air quality immediately improved but over time, under the pressure of urbanisation, it slid slowly back into the range of the unacceptable. Now,Delhi is again grappling with the silent and underestimated scourge of air pollution. The government has just launched a national air quality index, colour-coded and presented in a comprehensible manner. By taking ownership of the initiative, it has taken a welcome step away from the roadmap of the past, which was charted mainly by activists, scientists and the courts, and in which the role of government, as provider of pollution certificates, building permissions and so on, was only coercive and instrumental.” The Indian Express (Opinion). Read it on delhiair.org.
Current Delhi AQI numbers
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