Gummidipoondi vs Malegaon
Side-by-side air quality comparison between Gummidipoondi and Malegaon.
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 | Malegaon |
|---|---|---|
| PM2.5(µg/m³) | 10.50 | 15.60 |
| PM10(µg/m³) | 12.00 | 32.90 |
| NO₂(µg/m³) | 11.90 | 7.70 |
| SO₂(µg/m³) | 6.80 | 10.40 |
| O₃(µg/m³) | 52.00 | 38.00 |
| CO(µg/m³) | 286.00 | 138.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Gummidipoondi averaged an AQI of 107 while Malegaon averaged 114 — a 7-point (7%) gap, with Malegaon the more polluted and Gummidipoondi the cleaner of the two. On 487 days when both cities reported, Malegaon was cleaner on 277 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; Malegaon was 0% Severe and 48% Good-or-Satisfactory. Longest clean-air streaks: Gummidipoondi 49 days, Malegaon 51 days.
Year-over-year progress
Gummidipoondi has worsened by 8 AQI points (8.1%) from 2021 to 2024; Malegaon has worsened by 16 AQI points (16.3%) over the same window. The worst recorded day for Gummidipoondi reached AQI 326 at Anthoni Pillai Nagar (TNPCB) on 2023-12-22; Malegaon hit AQI 298 at Mahesh Nagar (MPCB) on 2024-07-07.
Station-level disparity
Gummidipoondi spans 1 CPCB stations with a 0-point spread (min 99, max 99); Malegaon spans 1 stations with a 0-point spread (min 109, max 109).
Verdict
🏆 Gummidipoondi has better air quality with an AQI of 18 compared to Malegaon's 33.