Chandigarh vs Kochi
Side-by-side air quality comparison between Chandigarh 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 | Chandigarh | Kochi |
|---|---|---|
| PM2.5(µg/m³) | 49.00 | 8.10 |
| PM10(µg/m³) | 64.70 | 10.50 |
| NO₂(µg/m³) | 40.20 | 9.10 |
| SO₂(µg/m³) | 8.40 | 2.60 |
| O₃(µg/m³) | 23.00 | 26.00 |
| CO(µg/m³) | 678.00 | 110.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chandigarh averaged an AQI of 153 while Kochi averaged 91 — a 62-point (68%) gap, with Chandigarh the more polluted and Kochi the cleaner of the two. On 1194 days when both cities reported, Kochi was cleaner on 816 of them; the average daily gap was 69 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Chandigarh logged 0.3% Severe days and 39.9% Good-or-Satisfactory days; Kochi was 0% Severe and 70.9% Good-or-Satisfactory. Longest clean-air streaks: Chandigarh 92 days, Kochi 80 days.
Year-over-year progress
Chandigarh has worsened by 27 AQI points (21.4%) from 2019 to 2024; Kochi has worsened by 7 AQI points (8.3%) over the same window. The worst recorded day for Chandigarh reached AQI 452 at Sector-53 (CPCC) on 2022-11-09; Kochi hit AQI 293 at Vyttila Kochi (PCB) on 2022-12-08.
Station-level disparity
Chandigarh spans 3 CPCB stations with a 43-point spread (min 107, max 150); Kochi spans 1 stations with a 0-point spread (min 88, max 88).
Verdict
🏆 Kochi has better air quality with an AQI of 14 compared to Chandigarh's 82. That's a significant difference of 68 points.