Ghaziabad vs Gummidipoondi
Side-by-side air quality comparison between Ghaziabad 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 | Ghaziabad | Gummidipoondi |
|---|---|---|
| PM2.5(µg/m³) | 69.60 | 10.50 |
| PM10(µg/m³) | 96.40 | 12.00 |
| NO₂(µg/m³) | 27.40 | 11.90 |
| SO₂(µg/m³) | 11.00 | 6.80 |
| O₃(µg/m³) | 65.00 | 52.00 |
| CO(µg/m³) | 542.00 | 286.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ghaziabad averaged an AQI of 177 while Gummidipoondi averaged 107 — a 70-point (65%) gap, with Ghaziabad the more polluted and Gummidipoondi the cleaner of the two. On 744 days when both cities reported, Gummidipoondi was cleaner on 668 of them; the average daily gap was 144 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Ghaziabad logged 12.2% Severe days and 13.700000000000001% Good-or-Satisfactory days; Gummidipoondi was 0% Severe and 59.1% Good-or-Satisfactory. Longest clean-air streaks: Ghaziabad 19 days, Gummidipoondi 49 days.
Year-over-year progress
Ghaziabad has improved by 115 AQI points (39.4%) from 2017 to 2024; Gummidipoondi has worsened by 8 AQI points (8.1%) over the same window. The worst recorded day for Ghaziabad reached AQI 500 at Vasundhara (UPPCB) on 2017-12-21; Gummidipoondi hit AQI 326 at Anthoni Pillai Nagar (TNPCB) on 2023-12-22.
Station-level disparity
Ghaziabad spans 4 CPCB stations with a 30-point spread (min 198, max 228); 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 Ghaziabad's 133. That's a significant difference of 115 points.