Record3 October 2026Environment
Arunachal Pradesh: average air quality index of 58 on 3 October 2026 is the highest since 30 May 2026.
What happened
- 3 October 2026
- 58
- 2026-05-30
- 63
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 a deterioration.
Historical context
100 consecutive earlier days were lower. This value is a small-sample estimate.
Full history of average air quality index in Arunachal Pradesh
The underlying data
| Period | Value | Release | Where in the document |
|---|---|---|---|
| 3 October 2026 | 58 | CPCB National Air Quality Index bulletin, 3 October 2026 (252 cities) | AQI bulletin p.9, Index Value column: mean of 1 city row placed in Arunachal Pradesh — Naharlagun (p.9) |
| 30 May 2026 | 63 | CPCB National Air Quality Index bulletin, 30 May 2026 (234 cities) | AQI bulletin p.8, Index Value column: mean of 1 city row placed in Arunachal Pradesh — Naharlagun (p.8) |
Source and method
Cite this
According to the India Health Observatory, Arunachal Pradesh: average air quality index of 58 on 3 October 2026 is the highest since 30 May 2026. Source: Central Pollution Control Board, Ministry of Environment, Forest and Climate Change, CPCB National Air Quality Index bulletin, 3 October 2026 (252 cities). https://indiahealthobservatory.com/signals/air-quality-index--arunachal-pradesh--2026-10-03--record
See also Arunachal Pradesh and 58 AQI in context.