Gummidipoondi vs Sirsa
Side-by-side air quality comparison between Gummidipoondi and Sirsa.
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 | Sirsa |
|---|---|---|
| PM2.5(µg/m³) | 10.60 | 63.80 |
| PM10(µg/m³) | 11.90 | 174.20 |
| NO₂(µg/m³) | 12.70 | 32.00 |
| SO₂(µg/m³) | 6.00 | 7.50 |
| O₃(µg/m³) | 51.00 | 41.00 |
| CO(µg/m³) | 298.00 | 317.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Gummidipoondi averaged an AQI of 107 while Sirsa averaged 115 — a 8-point (7%) gap, with Sirsa the more polluted and Gummidipoondi the cleaner of the two. On 662 days when both cities reported, Gummidipoondi was cleaner on 435 of them; the average daily gap was 59 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; Sirsa was 0.5% Severe and 41.300000000000004% Good-or-Satisfactory. Longest clean-air streaks: Gummidipoondi 49 days, Sirsa 40 days.
Year-over-year progress
Gummidipoondi has worsened by 8 AQI points (8.1%) from 2021 to 2024; Sirsa has improved by 48 AQI points (29.4%) over the same window. The worst recorded day for Gummidipoondi reached AQI 326 at Anthoni Pillai Nagar (TNPCB) on 2023-12-22; Sirsa hit AQI 462 at F-Block (HSPCB) on 2019-11-01.
Station-level disparity
Gummidipoondi spans 1 CPCB stations with a 0-point spread (min 99, max 99); Sirsa spans 1 stations with a 0-point spread (min 132, max 132).
Verdict
🏆 Gummidipoondi has better air quality with an AQI of 18 compared to Sirsa's 150. That's a significant difference of 132 points.