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Air Pollution Effects

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Cornell Study: PM2.5 Fell 22% in Manhattan’s Congestion Zone in First Six Months

Peer‑reviewed Cornell research links the improvement to cordon tolls in place since January.

Delhi Air Quality Backslides to the Brink of ‘Very Poor’ After Brief Respite

Mumbai Tightens Air Pollution Controls: NMMC Serves 79 Notices, BMC Warns Dharavi Redevelopment Project

Courts Tighten Air-Pollution Oversight as Delhi, Mumbai Log ‘Very Poor’ AQI

Delhi Pulls GRAP Stage 3 as Smog Rebounds, Supreme Court Calls Urgent Hearing

EPA Asks Court to Strike Down Biden-Era Soot Standard Before Feb. 7

Mumbai Haze Persists With ‘Severe’ Hotspots as BMC Tightens GRAP Enforcement

Delhi’s Smog Persists as CAQM Tightens Curbs, Delhi Orders 50% Work-From-Home

Delhi Air Quality Eases Slightly to 'Very Poor' With Hotspots Still 'Severe'

Supreme Court Backs GRAP Rejig to Trigger Tougher Curbs Earlier in Delhi-NCR

Supreme Court Backs Proactive CAQM Curbs, Questions Age-Based Vehicle Rules

Supreme Court Rejects Fresh Air-Pollution PIL, Channels Plea into M. C. Mehta Case

Delhi Air Stuck in 'Very Poor' as Hotspots Hit 'Severe' Under Stage III Curbs

Delhi’s Smog Persists as AQI Stays Near ‘Severe’ Threshold for a Fourth Day

Delhi-NCR Enforces GRAP Stage III as AQI Stays in ‘Severe’ Range, Schools Shift to Hybrid

CAQM Keeps GRAP Stage III on Hold as Delhi’s Air Quality Hits Season High

Delhi Orders Slum Survey to Extend Ujjwala LPG, Mobilizes Citywide Dust Control

Delhi AQI Worsens to ‘Severe’ in Pockets as Citywide Average Hits 361

Lahore High Court Orders Province-Wide Crackdown, Bars Smoke-Belching Vehicles From Lahore for Two Weeks

Friday ‘Hoy No Circula’ Targets Blue Sticker Vehicles in CDMX and Edomex as Air Quality Dips