Kochi vs Sagar
Side-by-side air quality comparison between Kochi and Sagar.
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 | Sagar |
|---|---|---|
| PM2.5(µg/m³) | 7.80 | 25.90 |
| PM10(µg/m³) | 9.90 | 49.60 |
| NO₂(µg/m³) | 10.00 | 14.50 |
| SO₂(µg/m³) | 2.70 | 3.20 |
| O₃(µg/m³) | 24.00 | 48.00 |
| CO(µg/m³) | 125.00 | 223.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kochi averaged an AQI of 91 while Sagar averaged 96 — a 5-point (5%) gap, with Sagar the more polluted and Kochi the cleaner of the two. On 805 days when both cities reported, Sagar was cleaner on 525 of them; the average daily gap was 39 AQI points.
Seasonality & days
Kochi peaks in January, while Sagar peaks in November. Kochi logged 0% Severe days and 70.9% Good-or-Satisfactory days; Sagar was 0% Severe and 69.9% Good-or-Satisfactory. Longest clean-air streaks: Kochi 80 days, Sagar 57 days.
Year-over-year progress
Kochi has worsened by 7 AQI points (8.3%) from 2020 to 2024; Sagar has worsened by 24 AQI points (33.3%) over the same window. The worst recorded day for Kochi reached AQI 293 at Vyttila Kochi (PCB) on 2022-12-08; Sagar hit AQI 347 at Civil Lines (MPPCB) on 2024-12-25.
Station-level disparity
Kochi spans 1 CPCB stations with a 0-point spread (min 88, max 88); Sagar spans 2 stations with a 45-point spread (min 73, max 118).
Verdict
🏆 Kochi has better air quality with an AQI of 13 compared to Sagar's 50.