Gummidipoondi vs Tirupati
Side-by-side air quality comparison between Gummidipoondi and Tirupati.
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 | Tirupati |
|---|---|---|
| PM2.5(µg/m³) | 10.50 | 8.70 |
| PM10(µg/m³) | 12.00 | 10.00 |
| NO₂(µg/m³) | 11.90 | 8.40 |
| SO₂(µg/m³) | 6.80 | 2.40 |
| O₃(µg/m³) | 52.00 | 58.00 |
| CO(µg/m³) | 286.00 | 153.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Gummidipoondi averaged an AQI of 107 while Tirupati averaged 75 — a 32-point (43%) gap, with Gummidipoondi the more polluted and Tirupati the cleaner of the two. On 420 days when both cities reported, Tirupati was cleaner on 341 of them; the average daily gap was 62 AQI points.
Seasonality & days
Gummidipoondi peaks in November, while Tirupati peaks in April. Gummidipoondi logged 0% Severe days and 59.1% Good-or-Satisfactory days; Tirupati was 0% Severe and 84% Good-or-Satisfactory. Longest clean-air streaks: Gummidipoondi 49 days, Tirupati 36 days.
Year-over-year progress
Gummidipoondi has worsened by 8 AQI points (8.1%) from 2021 to 2024; Tirupati has improved by 20 AQI points (21.1%) over the same window. The worst recorded day for Gummidipoondi reached AQI 326 at Anthoni Pillai Nagar (TNPCB) on 2023-12-22; Tirupati hit AQI 263 at Vaikuntapuram (APPCB) on 2022-11-16.
Station-level disparity
Gummidipoondi spans 1 CPCB stations with a 0-point spread (min 99, max 99); Tirupati spans 1 stations with a 0-point spread (min 75, max 75).
Verdict
🏆 Tirupati has better air quality with an AQI of 15 compared to Gummidipoondi's 18.