Chittoor vs Gummidipoondi
Side-by-side air quality comparison between Chittoor 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 | Chittoor | Gummidipoondi |
|---|---|---|
| PM2.5(µg/m³) | 6.10 | 10.50 |
| PM10(µg/m³) | 7.70 | 12.00 |
| NO₂(µg/m³) | 7.30 | 11.90 |
| SO₂(µg/m³) | 3.10 | 6.80 |
| O₃(µg/m³) | 47.00 | 52.00 |
| CO(µg/m³) | 212.00 | 286.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chittoor averaged an AQI of 76 while Gummidipoondi averaged 107 — a 31-point (41%) gap, with Gummidipoondi the more polluted and Chittoor the cleaner of the two. On 499 days when both cities reported, Chittoor was cleaner on 433 of them; the average daily gap was 53 AQI points.
Seasonality & days
Chittoor peaks in October, while Gummidipoondi peaks in November. Chittoor logged 0% Severe days and 84.9% Good-or-Satisfactory days; Gummidipoondi was 0% Severe and 59.1% Good-or-Satisfactory. Longest clean-air streaks: Chittoor 37 days, Gummidipoondi 49 days.
Year-over-year progress
Chittoor has worsened by 5 AQI points (7%) from 2022 to 2024; Gummidipoondi has worsened by 8 AQI points (8.1%) over the same window. The worst recorded day for Chittoor reached AQI 348 at Gangineni Cheruvu (APPCB) on 2023-11-13; Gummidipoondi hit AQI 326 at Anthoni Pillai Nagar (TNPCB) on 2023-12-22.
Station-level disparity
Chittoor spans 1 CPCB stations with a 0-point spread (min 72, max 72); Gummidipoondi spans 1 stations with a 0-point spread (min 99, max 99).
Verdict
🏆 Chittoor has better air quality with an AQI of 10 compared to Gummidipoondi's 18.