Kochi vs Sasaram
Side-by-side air quality comparison between Kochi and Sasaram.
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 | Sasaram |
|---|---|---|
| PM2.5(µg/m³) | 8.80 | 66.80 |
| PM10(µg/m³) | 11.60 | 78.90 |
| NO₂(µg/m³) | 8.90 | 22.70 |
| SO₂(µg/m³) | 2.70 | 14.20 |
| O₃(µg/m³) | 30.00 | 77.00 |
| CO(µg/m³) | 119.00 | 666.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kochi averaged an AQI of 91 while Sasaram averaged 109 — a 18-point (20%) gap, with Sasaram the more polluted and Kochi the cleaner of the two. On 550 days when both cities reported, Kochi was cleaner on 397 of them; the average daily gap was 88 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Kochi logged 0% Severe days and 70.9% Good-or-Satisfactory days; Sasaram was 0.1% Severe and 37% Good-or-Satisfactory. Longest clean-air streaks: Kochi 80 days, Sasaram 27 days.
Year-over-year progress
Kochi has worsened by 7 AQI points (8.3%) from 2020 to 2024; Sasaram has improved by 166 AQI points (60.4%) over the same window. The worst recorded day for Kochi reached AQI 293 at Vyttila Kochi (PCB) on 2022-12-08; Sasaram hit AQI 401 at Dada Peer (BSPCB) on 2021-11-28.
Station-level disparity
Kochi spans 1 CPCB stations with a 0-point spread (min 88, max 88); Sasaram spans 1 stations with a 0-point spread (min 148, max 148).
Verdict
🏆 Kochi has better air quality with an AQI of 15 compared to Sasaram's 123. That's a significant difference of 108 points.