Fatehābād vs Gummidipoondi
Side-by-side air quality comparison between Fatehābād 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 | Fatehābād | Gummidipoondi |
|---|---|---|
| PM2.5(µg/m³) | 76.40 | 8.20 |
| PM10(µg/m³) | 421.00 | 11.00 |
| NO₂(µg/m³) | 5.00 | 5.20 |
| SO₂(µg/m³) | 8.40 | 8.30 |
| O₃(µg/m³) | 145.00 | 91.00 |
| CO(µg/m³) | 248.00 | 176.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Fatehābād averaged an AQI of 116 while Gummidipoondi averaged 107 — a 9-point (8%) gap, with Fatehābād the more polluted and Gummidipoondi the cleaner of the two. On 820 days when both cities reported, Gummidipoondi was cleaner on 571 of them; the average daily gap was 65 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Fatehābād logged 1.5% Severe days and 31.1% Good-or-Satisfactory days; Gummidipoondi was 0% Severe and 59.1% Good-or-Satisfactory. Longest clean-air streaks: Fatehābād 38 days, Gummidipoondi 49 days.
Year-over-year progress
Fatehābād has improved by 43 AQI points (27%) from 2019 to 2024; Gummidipoondi has worsened by 8 AQI points (8.1%) over the same window. The worst recorded day for Fatehābād reached AQI 493 at Huda Sector (HSPCB) on 2019-11-02; Gummidipoondi hit AQI 326 at Anthoni Pillai Nagar (TNPCB) on 2023-12-22.
Station-level disparity
Fatehābād spans 1 CPCB stations with a 0-point spread (min 151, max 151); Gummidipoondi spans 1 stations with a 0-point spread (min 99, max 99).
Verdict
🏆 Gummidipoondi has better air quality with an AQI of 14 compared to Fatehābād's 389. That's a significant difference of 375 points.