Gummidipoondi vs Sikar
Side-by-side air quality comparison between Gummidipoondi and Sikar.
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 | Sikar |
|---|---|---|
| PM2.5(µg/m³) | 10.60 | 31.40 |
| PM10(µg/m³) | 11.90 | 82.70 |
| NO₂(µg/m³) | 12.70 | 10.10 |
| SO₂(µg/m³) | 6.00 | 5.50 |
| O₃(µg/m³) | 51.00 | 72.00 |
| CO(µg/m³) | 298.00 | 157.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Gummidipoondi averaged an AQI of 107 while Sikar averaged 139 — a 32-point (30%) gap, with Sikar the more polluted and Gummidipoondi the cleaner of the two. On 570 days when both cities reported, Gummidipoondi was cleaner on 358 of them; the average daily gap was 53 AQI points.
Seasonality & days
Gummidipoondi peaks in November, while Sikar peaks in January. Gummidipoondi logged 0% Severe days and 59.1% Good-or-Satisfactory days; Sikar was 0.2% Severe and 34% Good-or-Satisfactory. Longest clean-air streaks: Gummidipoondi 49 days, Sikar 32 days.
Year-over-year progress
Gummidipoondi has worsened by 8 AQI points (8.1%) from 2021 to 2024; Sikar has worsened by 4 AQI points (3%) over the same window. The worst recorded day for Gummidipoondi reached AQI 326 at Anthoni Pillai Nagar (TNPCB) on 2023-12-22; Sikar hit AQI 452 at Radhakishan Pura (RSPCB) on 2023-11-16.
Station-level disparity
Gummidipoondi spans 1 CPCB stations with a 0-point spread (min 99, max 99); Sikar spans 1 stations with a 0-point spread (min 137, max 137).
Verdict
🏆 Gummidipoondi has better air quality with an AQI of 18 compared to Sikar's 83. That's a significant difference of 65 points.