Gummidipoondi vs Khanna
Side-by-side air quality comparison between Gummidipoondi and Khanna.
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, Gummidipoondi averaged an AQI of 107 while Khanna averaged 102 — a 5-point (5%) gap, with Gummidipoondi the more polluted and Khanna the cleaner of the two. On 634 days when both cities reported, Khanna was cleaner on 379 of them; the average daily gap was 43 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Gummidipoondi logged 0% Severe days and 59.1% Good-or-Satisfactory days; Khanna was 0% Severe and 61.599999999999994% Good-or-Satisfactory. Longest clean-air streaks: Gummidipoondi 49 days, Khanna 60 days.
Year-over-year progress
Gummidipoondi has worsened by 8 AQI points (8.1%) from 2021 to 2024; Khanna has worsened by 4 AQI points (4.1%) over the same window. The worst recorded day for Gummidipoondi reached AQI 326 at Anthoni Pillai Nagar (TNPCB) on 2023-12-22; Khanna hit AQI 297 at Kalal Majra (PPCB) on 2023-11-09.
Station-level disparity
Gummidipoondi spans 1 CPCB stations with a 0-point spread (min 99, max 99); Khanna spans 1 stations with a 0-point spread (min 100, max 100).