Kochi vs Kolār
Side-by-side air quality comparison between Kochi and Kolār.
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 | Kochi | Kolār |
|---|---|---|
| PM2.5(µg/m³) | 7.80 | 5.90 |
| PM10(µg/m³) | 9.90 | 7.20 |
| NO₂(µg/m³) | 10.00 | 10.90 |
| SO₂(µg/m³) | 2.70 | 4.70 |
| O₃(µg/m³) | 24.00 | 35.00 |
| CO(µg/m³) | 125.00 | 189.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kochi averaged an AQI of 91 while Kolār averaged 65 — a 26-point (40%) gap, with Kochi the more polluted and Kolār the cleaner of the two. On 581 days when both cities reported, Kolār was cleaner on 352 of them; the average daily gap was 35 AQI points.
Seasonality & days
Kochi peaks in January, while Kolār peaks in September. Kochi logged 0% Severe days and 70.9% Good-or-Satisfactory days; Kolār was 0.9% Severe and 85.30000000000001% Good-or-Satisfactory. Longest clean-air streaks: Kochi 80 days, Kolār 17 days.
Year-over-year progress
Kochi has worsened by 7 AQI points (8.3%) from 2020 to 2024; Kolār has improved by 56 AQI points (46.3%) over the same window. The worst recorded day for Kochi reached AQI 293 at Vyttila Kochi (PCB) on 2022-12-08; Kolār hit AQI 500 at Tamaka Ind Area (KSPCB) on 2018-09-18.
Station-level disparity
Kochi spans 1 CPCB stations with a 0-point spread (min 88, max 88); Kolār spans 1 stations with a 0-point spread (min 71, max 71).
Verdict
🏆 Kolār has better air quality with an AQI of 10 compared to Kochi's 13.