Kochi vs Satna
Side-by-side air quality comparison between Kochi and Satna.
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 | Satna |
|---|---|---|
| PM2.5(µg/m³) | 6.60 | 27.00 |
| PM10(µg/m³) | 10.40 | 72.90 |
| NO₂(µg/m³) | 3.20 | 0.30 |
| SO₂(µg/m³) | 2.40 | 3.80 |
| O₃(µg/m³) | 63.00 | 132.00 |
| CO(µg/m³) | 109.00 | 184.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kochi averaged an AQI of 91 while Satna averaged 66 — a 25-point (38%) gap, with Kochi the more polluted and Satna the cleaner of the two. On 1109 days when both cities reported, Satna was cleaner on 620 of them; the average daily gap was 42 AQI points.
Seasonality & days
Kochi peaks in January, while Satna peaks in November. Kochi logged 0% Severe days and 70.9% Good-or-Satisfactory days; Satna was 0.2% Severe and 74.1% Good-or-Satisfactory. Longest clean-air streaks: Kochi 80 days, Satna 146 days.
Year-over-year progress
Kochi has worsened by 7 AQI points (8.3%) from 2020 to 2024; Satna has improved by 58 AQI points (46.8%) over the same window. The worst recorded day for Kochi reached AQI 293 at Vyttila Kochi (PCB) on 2022-12-08; Satna hit AQI 500 at Bandhavgar Colony Satna (Cement) on 2018-05-27.
Station-level disparity
Kochi spans 1 CPCB stations with a 0-point spread (min 88, max 88); Satna spans 1 stations with a 0-point spread (min 85, max 85).
Verdict
🏆 Kochi has better air quality with an AQI of 11 compared to Satna's 73. That's a significant difference of 62 points.