Record17 September 2026Environment
Puducherry: highest city air quality index of 81 on 17 September 2026 is the highest since 1 June 2026.
What happened
- 17 September 2026
- 81
- 2026-06-01
- 150
Why it matters
A record says how long it has been since the series was this high or this low. It puts a single value in the context of the whole published history.
For highest city air quality index, lower is better. This movement is therefore assessed as a deterioration.
Historical context
103 consecutive earlier days were lower. It extends a run of new highests that began earlier.
Full history of highest city air quality index in Puducherry
The underlying data
| Period | Value | Release | Where in the document |
|---|---|---|---|
| 17 September 2026 | 81 | CPCB National Air Quality Index bulletin, 17 September 2026 (245 cities) | AQI bulletin p.10, Index Value column: highest of 1 city row placed in Puducherry — Puducherry, S.No 195 (p.10), Satisfactory |
| 1 June 2026 | 150 | CPCB National Air Quality Index bulletin, 1 June 2026 (229 cities) | AQI bulletin p.9, Index Value column: highest of 1 city row placed in Puducherry — Puducherry, S.No 178 (p.9), Moderate |
Source and method
- Release
- CPCB National Air Quality Index bulletin, 17 September 2026 (245 cities)Archived fileOriginal URLFirst seen 3 Oct 2026
More signals for highest city air quality index in Puducherry
- Puducherry: highest city air quality index over the 7 days to 26 September 2026 was 41, below the 4-year median of 54 for the same week (−24%).
- Puducherry: highest city air quality index over the 7 days to 18 September 2026 was 62, above the 4-year median of 49 for the same week (+26%).
- Puducherry: highest city air quality index of 75 on 16 September 2026 is the highest since 1 June 2026.
- Puducherry: highest city air quality index of 31 on 14 September 2026 is the lowest since 12 May 2026.
- Puducherry: highest city air quality index over the 7 days to 8 September 2026 was 55, above the 4-year median of 45 for the same week (+21%).
- Puducherry: highest city air quality index over the 7 days to 4 September 2026 was 47, above the 3-year median of 41 for the same week (+15%).
Cite this
According to the India Health Observatory, Puducherry: highest city air quality index of 81 on 17 September 2026 is the highest since 1 June 2026. Source: Central Pollution Control Board, Ministry of Environment, Forest and Climate Change, CPCB National Air Quality Index bulletin, 17 September 2026 (245 cities). https://indiahealthobservatory.com/signals/worst-city-aqi--puducherry--2026-09-17--record
See also Puducherry and 81 AQI in context.