Dindigul vs Gummidipoondi
Side-by-side air quality comparison between Dindigul 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 | Dindigul | Gummidipoondi |
|---|---|---|
| PM2.5(µg/m³) | 18.20 | 10.60 |
| PM10(µg/m³) | 19.70 | 11.90 |
| NO₂(µg/m³) | 28.00 | 12.70 |
| SO₂(µg/m³) | 2.70 | 6.00 |
| O₃(µg/m³) | 1.00 | 51.00 |
| CO(µg/m³) | 215.00 | 298.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dindigul averaged an AQI of 61 while Gummidipoondi averaged 107 — a 46-point (75%) gap, with Gummidipoondi the more polluted and Dindigul the cleaner of the two. On 204 days when both cities reported, Dindigul was cleaner on 138 of them; the average daily gap was 71 AQI points.
Seasonality & days
Dindigul peaks in February, while Gummidipoondi peaks in November. Dindigul logged 0% Severe days and 67.3% Good-or-Satisfactory days; Gummidipoondi was 0% Severe and 59.1% Good-or-Satisfactory. Longest clean-air streaks: Dindigul 22 days, Gummidipoondi 49 days.
Year-over-year progress
Dindigul has improved by 29 AQI points (32.2%) from 2022 to 2024; Gummidipoondi has worsened by 8 AQI points (8.1%) over the same window. The worst recorded day for Dindigul reached AQI 352 at Mendonsa Colony (TNPCB) on 2023-03-12; Gummidipoondi hit AQI 326 at Anthoni Pillai Nagar (TNPCB) on 2023-12-22.
Station-level disparity
Dindigul spans 1 CPCB stations with a 0-point spread (min 102, max 102); 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 Dindigul's 30.