Ghaziabad vs Kochi
Side-by-side air quality comparison between Ghaziabad and Kochi.
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 | Kochi |
|---|---|---|
| PM2.5(µg/m³) | 71.90 | 7.80 |
| PM10(µg/m³) | 97.30 | 9.90 |
| NO₂(µg/m³) | 36.60 | 10.00 |
| SO₂(µg/m³) | 11.50 | 2.70 |
| O₃(µg/m³) | 36.00 | 24.00 |
| CO(µg/m³) | 522.00 | 125.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ghaziabad averaged an AQI of 177 while Kochi averaged 91 — a 86-point (95%) gap, with Ghaziabad the more polluted and Kochi the cleaner of the two. On 902 days when both cities reported, Kochi was cleaner on 822 of them; the average daily gap was 153 AQI points.
Seasonality & days
Ghaziabad peaks in November, while Kochi peaks in January. Ghaziabad logged 12.2% Severe days and 13.700000000000001% Good-or-Satisfactory days; Kochi was 0% Severe and 70.9% Good-or-Satisfactory. Longest clean-air streaks: Ghaziabad 19 days, Kochi 80 days.
Year-over-year progress
Ghaziabad has improved by 115 AQI points (39.4%) from 2017 to 2024; Kochi has worsened by 7 AQI points (8.3%) over the same window. The worst recorded day for Ghaziabad reached AQI 500 at Vasundhara (UPPCB) on 2017-12-21; Kochi hit AQI 293 at Vyttila Kochi (PCB) on 2022-12-08.
Station-level disparity
Ghaziabad spans 4 CPCB stations with a 30-point spread (min 198, max 228); Kochi spans 1 stations with a 0-point spread (min 88, max 88).
Verdict
🏆 Kochi has better air quality with an AQI of 13 compared to Ghaziabad's 140. That's a significant difference of 127 points.