Amritsar vs Chennai
Side-by-side air quality comparison between Amritsar and Chennai.
Live AQI from Open-Meteo CAMS (~45 km global model, updated hourly). Multi-year history from CPCB station data via aqinow.co pipeline (2016–2024, station-level daily records).
AQI Comparison
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Amritsar averaged an AQI of 124 while Chennai averaged 68 — a 56-point (82%) gap, with Amritsar the more polluted and Chennai the cleaner of the two. On 2089 days when both cities reported, Chennai was cleaner on 1085 of them; the average daily gap was 57 AQI points.
Seasonality & days
Amritsar peaks in November, while Chennai peaks in December. Amritsar logged 0.2% Severe days and 47.2% Good-or-Satisfactory days; Chennai was 0% Severe and 57.5% Good-or-Satisfactory. Longest clean-air streaks: Amritsar 40 days, Chennai 53 days.
Year-over-year progress
Amritsar has improved by 40 AQI points (24.4%) from 2017 to 2024; Chennai has improved by 25 AQI points (26.9%) over the same window. The worst recorded day for Amritsar reached AQI 459 at Golden Temple (PPCB) on 2018-06-14; Chennai hit AQI 391 at Kodungaiyur (TNPCB) on 2021-05-14.
Station-level disparity
Amritsar spans 1 CPCB stations with a 0-point spread (min 119, max 119); Chennai spans 9 stations with a 27-point spread (min 63, max 90).