The record
Delhi’s air,
kept.
868 hourly observations from 25 Aug 2026, each with the monitor that produced it.
Every month kept
One page per month, each a complete day table.
October 2026
19 days · 333 observations
September 2026
29 days · 450 observations
August 2026
7 days · 85 observations
The highest reading in the record so far is 437 at Anand Vihar, Delhi - DPCC, 29 Aug 2026.
What this record does not contain
The record begins on 25 Aug 2026. An hour with no observation is absent, not zero.
Where CPCB's live feed did not answer, the mirror on data.gov.in was read instead and the row says which.
Cite the record
Reuse freely. Each month page carries its own citation.
Swechha. Delhi air quality record.
Readings from the Central Pollution Control Board network.
https://swechha.in/record/air
Licensed CC BY 4.0. Full terms, method and limitations.
- Every day of the record CSV · 5 KB · peak, hours observed, hours over the limit
- Every file, listed JSON · 4 KB · each one with its span and its terms
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The live page, the rest of the archive, and the explanation.