Gummidipoondi vs Satna
Side-by-side air quality comparison between Gummidipoondi and Satna.
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 Satna averaged 66 — a 41-point (62%) gap, with Gummidipoondi the more polluted and Satna the cleaner of the two. On 955 days when both cities reported, Satna was cleaner on 611 of them; the average daily gap was 44 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; Satna was 0.2% Severe and 74.1% Good-or-Satisfactory. Longest clean-air streaks: Gummidipoondi 49 days, Satna 146 days.
Year-over-year progress
Gummidipoondi has worsened by 8 AQI points (8.1%) from 2021 to 2024; Satna has improved by 58 AQI points (46.8%) over the same window. The worst recorded day for Gummidipoondi reached AQI 326 at Anthoni Pillai Nagar (TNPCB) on 2023-12-22; Satna hit AQI 500 at Bandhavgar Colony Satna (Cement) on 2018-05-27.
Station-level disparity
Gummidipoondi spans 1 CPCB stations with a 0-point spread (min 99, max 99); Satna spans 1 stations with a 0-point spread (min 85, max 85).