🇨🇳 NEW | #China #AirQualityTrends | March 2026 | EN & CN
⚠️💨 Air quality worsened in 15 of China’s provincial capitals in Mar 2026, with 18 failing the tightened annual PM2.5 standard, up from 6 in Feb
Monthly PM2.5 and ozone levels rose YoY in over half of those cities
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