Ahmedabad vs Gummidipoondi
Side-by-side air quality comparison between Ahmedabad and Gummidipoondi.
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 | Ahmedabad | Gummidipoondi |
|---|---|---|
| PM2.5(µg/m³) | 23.50 | 10.50 |
| PM10(µg/m³) | 38.60 | 12.00 |
| NO₂(µg/m³) | 6.50 | 11.90 |
| SO₂(µg/m³) | 5.20 | 6.80 |
| O₃(µg/m³) | 41.00 | 52.00 |
| CO(µg/m³) | 163.00 | 286.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ahmedabad averaged an AQI of 117 while Gummidipoondi averaged 107 — a 10-point (9%) gap, with Ahmedabad the more polluted and Gummidipoondi the cleaner of the two. On 1032 days when both cities reported, Gummidipoondi was cleaner on 844 of them; the average daily gap was 77 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Ahmedabad logged 0.1% Severe days and 23.7% Good-or-Satisfactory days; Gummidipoondi was 0% Severe and 59.1% Good-or-Satisfactory. Longest clean-air streaks: Ahmedabad 25 days, Gummidipoondi 49 days.
Year-over-year progress
Ahmedabad has worsened by 52 AQI points (80%) from 2016 to 2024; Gummidipoondi has worsened by 8 AQI points (8.1%) over the same window. The worst recorded day for Ahmedabad reached AQI 430 at Raikhad (IITM) on 2023-03-17; Gummidipoondi hit AQI 326 at Anthoni Pillai Nagar (TNPCB) on 2023-12-22.
Station-level disparity
Ahmedabad spans 9 CPCB stations with a 44-point spread (min 95, max 139); Gummidipoondi spans 1 stations with a 0-point spread (min 99, max 99).
Verdict
🏆 Gummidipoondi has better air quality with an AQI of 18 compared to Ahmedabad's 39.