Gummidipoondi vs Kochi
Side-by-side air quality comparison between Gummidipoondi and Kochi.
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
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)▾
| Pollutant | Gummidipoondi | Kochi |
|---|---|---|
| PM2.5(µg/m³) | 10.50 | 8.80 |
| PM10(µg/m³) | 12.00 | 11.60 |
| NO₂(µg/m³) | 11.90 | 8.90 |
| SO₂(µg/m³) | 6.80 | 2.70 |
| O₃(µg/m³) | 52.00 | 30.00 |
| CO(µg/m³) | 286.00 | 119.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Gummidipoondi averaged an AQI of 107 while Kochi averaged 91 — a 16-point (18%) gap, with Gummidipoondi the more polluted and Kochi the cleaner of the two. On 601 days when both cities reported, Kochi was cleaner on 365 of them; the average daily gap was 48 AQI points.
Seasonality & days
Gummidipoondi peaks in November, while Kochi peaks in January. Gummidipoondi logged 0% Severe days and 59.1% Good-or-Satisfactory days; Kochi was 0% Severe and 70.9% Good-or-Satisfactory. Longest clean-air streaks: Gummidipoondi 49 days, Kochi 80 days.
Year-over-year progress
Gummidipoondi has worsened by 8 AQI points (8.1%) from 2021 to 2024; Kochi has worsened by 7 AQI points (8.3%) over the same window. The worst recorded day for Gummidipoondi reached AQI 326 at Anthoni Pillai Nagar (TNPCB) on 2023-12-22; Kochi hit AQI 293 at Vyttila Kochi (PCB) on 2022-12-08.
Station-level disparity
Gummidipoondi spans 1 CPCB stations with a 0-point spread (min 99, max 99); Kochi spans 1 stations with a 0-point spread (min 88, max 88).
Verdict
🏆 Kochi has better air quality with an AQI of 15 compared to Gummidipoondi's 18.