Ahmednagar vs Gummidipoondi
Side-by-side air quality comparison between Ahmednagar 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 | Ahmednagar | Gummidipoondi |
|---|---|---|
| PM2.5(µg/m³) | 15.00 | 10.50 |
| PM10(µg/m³) | 30.30 | 12.00 |
| NO₂(µg/m³) | 7.90 | 11.90 |
| SO₂(µg/m³) | 8.20 | 6.80 |
| O₃(µg/m³) | 37.00 | 52.00 |
| CO(µg/m³) | 132.00 | 286.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ahmednagar averaged an AQI of 109 while Gummidipoondi averaged 107 — a 2-point (2%) gap, with Ahmednagar the more polluted and Gummidipoondi the cleaner of the two. On 422 days when both cities reported, Ahmednagar was cleaner on 255 of them; the average daily gap was 40 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Ahmednagar logged 0% Severe days and 50.1% Good-or-Satisfactory days; Gummidipoondi was 0% Severe and 59.1% Good-or-Satisfactory. Longest clean-air streaks: Ahmednagar 13 days, Gummidipoondi 49 days.
Year-over-year progress
Ahmednagar has worsened by 15 AQI points (16%) from 2023 to 2024; Gummidipoondi has worsened by 8 AQI points (8.1%) over the same window. The worst recorded day for Ahmednagar reached AQI 259 at Tarakpur (MPCB) on 2024-12-18; Gummidipoondi hit AQI 326 at Anthoni Pillai Nagar (TNPCB) on 2023-12-22.
Station-level disparity
Ahmednagar spans 1 CPCB stations with a 0-point spread (min 104, max 104); 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 Ahmednagar's 30.