Gummidipoondi vs Rājsamand
Side-by-side air quality comparison between Gummidipoondi and Rājsamand.
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 | Rājsamand |
|---|---|---|
| PM2.5(µg/m³) | 10.60 | 17.50 |
| PM10(µg/m³) | 11.90 | 31.10 |
| NO₂(µg/m³) | 12.70 | 5.40 |
| SO₂(µg/m³) | 6.00 | 4.00 |
| O₃(µg/m³) | 51.00 | 63.00 |
| CO(µg/m³) | 298.00 | 133.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Gummidipoondi averaged an AQI of 107 while Rājsamand averaged 88 — a 19-point (22%) gap, with Gummidipoondi the more polluted and Rājsamand the cleaner of the two. On 530 days when both cities reported, Rājsamand was cleaner on 359 of them; the average daily gap was 42 AQI points.
Seasonality & days
Gummidipoondi peaks in November, while Rājsamand peaks in January. Gummidipoondi logged 0% Severe days and 59.1% Good-or-Satisfactory days; Rājsamand was 0% Severe and 69.7% Good-or-Satisfactory. Longest clean-air streaks: Gummidipoondi 49 days, Rājsamand 42 days.
Year-over-year progress
Gummidipoondi has worsened by 8 AQI points (8.1%) from 2021 to 2024; Rājsamand has improved by 13 AQI points (12.9%) over the same window. The worst recorded day for Gummidipoondi reached AQI 326 at Anthoni Pillai Nagar (TNPCB) on 2023-12-22; Rājsamand hit AQI 320 at Dhoinda (RSPCB) on 2024-08-28.
Station-level disparity
Gummidipoondi spans 1 CPCB stations with a 0-point spread (min 99, max 99); Rājsamand spans 1 stations with a 0-point spread (min 94, max 94).
Verdict
🏆 Gummidipoondi has better air quality with an AQI of 18 compared to Rājsamand's 31.