Bangalore vs Kochi
Side-by-side air quality comparison between Bangalore 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 | Bangalore | Kochi |
|---|---|---|
| PM2.5(µg/m³) | 5.10 | 7.80 |
| PM10(µg/m³) | 6.00 | 9.90 |
| NO₂(µg/m³) | 9.70 | 10.00 |
| SO₂(µg/m³) | 4.50 | 2.70 |
| O₃(µg/m³) | 34.00 | 24.00 |
| CO(µg/m³) | 230.00 | 125.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bangalore averaged an AQI of 74 while Kochi averaged 91 — a 17-point (23%) gap, with Kochi the more polluted and Bangalore the cleaner of the two. On 1199 days when both cities reported, Kochi was cleaner on 875 of them; the average daily gap was 45 AQI points.
Seasonality & days
Bangalore peaks in March, while Kochi peaks in January. Bangalore logged 0.5% Severe days and 42.6% Good-or-Satisfactory days; Kochi was 0% Severe and 70.9% Good-or-Satisfactory. Longest clean-air streaks: Bangalore 31 days, Kochi 80 days.
Year-over-year progress
Bangalore has improved by 26 AQI points (26%) from 2016 to 2024; Kochi has worsened by 7 AQI points (8.3%) over the same window. The worst recorded day for Bangalore reached AQI 500 at Silk Board (KSPCB) on 2024-01-10; Kochi hit AQI 293 at Vyttila Kochi (PCB) on 2022-12-08.
Station-level disparity
Bangalore spans 14 CPCB stations with a 50-point spread (min 49, max 99); Kochi spans 1 stations with a 0-point spread (min 88, max 88).
Verdict
🏆 Bangalore has better air quality with an AQI of 9 compared to Kochi's 13.