Environment
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Delhi AQI improves to 71 on Friday, CPCB data shows
Hindustan Times··4 Sept
Delhi's daily average Air Quality Index improved to 71 on Friday, September 4, CPCB data show. Readings were 113 on September 1, 85 on September 2 and 74 on September 3, in the satisfactory band. CPCB treats scores from 51 to 100 as satisfactory. Ashwary Tiwari of Indiametsky Weather linked clearer air to stronger winds and some rain after haze.
Prism
What It Means For You
- Friday's 71 AQI sits in CPCB's satisfactory band of 51 to 100.
- Tiwari said AQI may rise again as rain activity eases in the coming days.
- He expects sharper pollution later in September if rainfall stays limited.
What's Happening
- CPCB daily averages moved from 113 on September 1 to 85, 74 and then 71 by September 4.
- Tiwari said stronger winds dispersed pollutants that had clumped for five to six hazy days.
- Some rain also helped, he said, despite only isolated rainfall since September began.
How CPCB bands the index
- CPCB labels 0-50 good, 51-100 satisfactory, 101-200 moderate, then poor, very poor and severe above that.
- The improvement came even with limited early-September rainfall, Hindustan Times reported.
- Tiwari said yearly high AQI periods often begin toward month-end when rains fade.
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