Record25 September 2026Environment
Chhattisgarh: highest city air quality index of 27 on 25 September 2026 is the lowest since 21 August 2022.
What happened
- 25 September 2026
- 27
- 2022-08-21
- 18
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 an improvement.
Historical context
1487 consecutive earlier days were higher.
Full history of highest city air quality index in Chhattisgarh
The underlying data
| Period | Value | Release | Where in the document |
|---|---|---|---|
| 25 September 2026 | 27 | CPCB National Air Quality Index bulletin, 25 September 2026 (244 cities) | AQI bulletin p.2–10, Index Value column: highest of 5 city rows placed in Chhattisgarh — Bilaspur, S.No 47 (p.3), Good |
| 21 August 2022 | 18 | CPCB National Air Quality Index bulletin, 21 August 2022 (149 cities) | AQI bulletin p.3, Index Value column: highest of 1 city row placed in Chhattisgarh — Bhilai, S.No 28 (p.3), Good |
Source and method
- Release
- CPCB National Air Quality Index bulletin, 25 September 2026 (244 cities)Archived fileOriginal URLFirst seen 3 Oct 2026
More signals for highest city air quality index in Chhattisgarh
- Chhattisgarh: highest city air quality index over the 7 days to 3 October 2026 was 100, above the 4-year median of 67 for the same week (+48%).
- Chhattisgarh: highest city air quality index over the 7 days to 1 October 2026 was 96, above the 5-year median of 65 for the same week (+48%).
- Chhattisgarh: highest city air quality index over the 7 days to 28 September 2026 was 78, above the 5-year median of 59 for the same week (+31%).
- Chhattisgarh: highest city air quality index of 159 on 26 September 2026 is the highest since 8 June 2026.
- Chhattisgarh: highest city air quality index over the 7 days to 1 September 2026 was 54, below the 4-year median of 64 for the same week (−15%).
- Chhattisgarh: highest city air quality index over the 7 days to 26 August 2026 was 64, above the 4-year median of 51 for the same week (+25%).
Cite this
According to the India Health Observatory, Chhattisgarh: highest city air quality index of 27 on 25 September 2026 is the lowest since 21 August 2022. Source: Central Pollution Control Board, Ministry of Environment, Forest and Climate Change, CPCB National Air Quality Index bulletin, 25 September 2026 (244 cities). https://indiahealthobservatory.com/signals/worst-city-aqi--chhattisgarh--2026-09-25--record
See also Chhattisgarh and 27 AQI in context.