Gummidipoondi vs Palwal
Side-by-side air quality comparison between Gummidipoondi and Palwal.
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 | Palwal |
|---|---|---|
| PM2.5(µg/m³) | 10.60 | 58.70 |
| PM10(µg/m³) | 11.90 | 129.50 |
| NO₂(µg/m³) | 12.70 | 23.70 |
| SO₂(µg/m³) | 6.00 | 9.30 |
| O₃(µg/m³) | 51.00 | 51.00 |
| CO(µg/m³) | 298.00 | 502.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Gummidipoondi averaged an AQI of 107 while Palwal averaged 95 — a 12-point (13%) gap, with Gummidipoondi the more polluted and Palwal the cleaner of the two. On 937 days when both cities reported, Palwal was cleaner on 482 of them; the average daily gap was 53 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; Palwal was 0.2% Severe and 47.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Gummidipoondi 49 days, Palwal 37 days.
Year-over-year progress
Gummidipoondi has worsened by 8 AQI points (8.1%) from 2021 to 2024; Palwal has improved by 91 AQI points (48.9%) over the same window. The worst recorded day for Gummidipoondi reached AQI 326 at Anthoni Pillai Nagar (TNPCB) on 2023-12-22; Palwal hit AQI 465 at Shyam Nagar (HSPCB) on 2019-11-14.
Station-level disparity
Gummidipoondi spans 1 CPCB stations with a 0-point spread (min 99, max 99); Palwal spans 1 stations with a 0-point spread (min 120, max 120).
Verdict
🏆 Gummidipoondi has better air quality with an AQI of 18 compared to Palwal's 120. That's a significant difference of 102 points.