Būndi vs Gummidipoondi
Side-by-side air quality comparison between Būndi 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 | Būndi | Gummidipoondi |
|---|---|---|
| PM2.5(µg/m³) | 19.60 | 10.50 |
| PM10(µg/m³) | 30.30 | 12.00 |
| NO₂(µg/m³) | 5.70 | 11.90 |
| SO₂(µg/m³) | 4.00 | 6.80 |
| O₃(µg/m³) | 53.00 | 52.00 |
| CO(µg/m³) | 180.00 | 286.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Būndi averaged an AQI of 126 while Gummidipoondi averaged 107 — a 19-point (18%) gap, with Būndi the more polluted and Gummidipoondi the cleaner of the two. On 493 days when both cities reported, Gummidipoondi was cleaner on 307 of them; the average daily gap was 51 AQI points.
Seasonality & days
Būndi peaks in January, while Gummidipoondi peaks in November. Būndi logged 0% Severe days and 31% Good-or-Satisfactory days; Gummidipoondi was 0% Severe and 59.1% Good-or-Satisfactory. Longest clean-air streaks: Būndi 23 days, Gummidipoondi 49 days.
Year-over-year progress
Būndi has improved by 18 AQI points (12.5%) from 2023 to 2024; Gummidipoondi has worsened by 8 AQI points (8.1%) over the same window. The worst recorded day for Būndi reached AQI 353 at New Colony (RSPCB) on 2023-12-25; Gummidipoondi hit AQI 326 at Anthoni Pillai Nagar (TNPCB) on 2023-12-22.
Station-level disparity
Būndi spans 1 CPCB stations with a 0-point spread (min 133, max 133); 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 Būndi's 33.