Record28 August 2026Environment
Meghalaya: average air quality index of 23 on 28 August 2026 is the lowest since 3 February 2026.
What happened
- 28 August 2026
- 23
- 2026-02-03
- 22
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 average air quality index, lower is better. This movement is therefore assessed as an improvement.
Historical context
165 consecutive earlier days were higher. This value is a small-sample estimate.
The underlying data
| Period | Value | Release | Where in the document |
|---|---|---|---|
| 28 August 2026 | 23 | CPCB National Air Quality Index bulletin, 28 August 2026 (253 cities) | AQI bulletin p.11, Index Value column: mean of 1 city row placed in Meghalaya — Shillong (p.11) |
| 3 February 2026 | 22 | CPCB National Air Quality Index bulletin, 3 February 2026 (245 cities) | AQI bulletin p.11, Index Value column: mean of 1 city row placed in Meghalaya — Shillong (p.11) |
Source and method
More signals for average air quality index in Meghalaya
- Meghalaya: average air quality index over the 7 days to 3 October 2026 was 128, above the 3-year median of 25 for the same week (+407%).
- Meghalaya: average air quality index over the 7 days to 15 September 2026 was 154, above the 4-year median of 20 for the same week (+655%).
- Meghalaya: average air quality index over the 7 days to 18 August 2026 was 66, above the 3-year median of 25 for the same week (+164%).
- Meghalaya: average air quality index over the 7 days to 7 August 2026 was 77, above the 4-year median of 20 for the same week (+288%).
Cite this
According to the India Health Observatory, Meghalaya: average air quality index of 23 on 28 August 2026 is the lowest since 3 February 2026. Source: Central Pollution Control Board, Ministry of Environment, Forest and Climate Change, CPCB National Air Quality Index bulletin, 28 August 2026 (253 cities). https://indiahealthobservatory.com/signals/air-quality-index--meghalaya--2026-08-28--record
See also Meghalaya and 23 AQI in context.