Dūngarpur vs Gummidipoondi
Side-by-side air quality comparison between Dūngarpur 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 | Dūngarpur | Gummidipoondi |
|---|---|---|
| PM2.5(µg/m³) | 28.40 | 10.60 |
| PM10(µg/m³) | 40.30 | 11.90 |
| NO₂(µg/m³) | 11.70 | 12.70 |
| SO₂(µg/m³) | 13.70 | 6.00 |
| O₃(µg/m³) | 42.00 | 51.00 |
| CO(µg/m³) | 152.00 | 298.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dūngarpur averaged an AQI of 108 while Gummidipoondi averaged 107 — a 1-point (1%) gap, with Dūngarpur the more polluted and Gummidipoondi the cleaner of the two. On 438 days when both cities reported, Dūngarpur was cleaner on 249 of them; the average daily gap was 43 AQI points.
Seasonality & days
Dūngarpur peaks in January, while Gummidipoondi peaks in November. Dūngarpur logged 0% Severe days and 57.199999999999996% Good-or-Satisfactory days; Gummidipoondi was 0% Severe and 59.1% Good-or-Satisfactory. Longest clean-air streaks: Dūngarpur 24 days, Gummidipoondi 49 days.
Year-over-year progress
Dūngarpur has improved by 5 AQI points (4.4%) from 2023 to 2024; Gummidipoondi has worsened by 8 AQI points (8.1%) over the same window. The worst recorded day for Dūngarpur reached AQI 314 at Bhoiwada (RSPCB) on 2024-01-01; Gummidipoondi hit AQI 326 at Anthoni Pillai Nagar (TNPCB) on 2023-12-22.
Station-level disparity
Dūngarpur spans 1 CPCB stations with a 0-point spread (min 109, max 109); Gummidipoondi spans 1 stations with a 0-point spread (min 99, max 99).
Verdict
🏆 Gummidipoondi has better air quality with an AQI of 18 compared to Dūngarpur's 47.