Kishanganj vs Kochi
Side-by-side air quality comparison between Kishanganj 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 | Kishanganj | Kochi |
|---|---|---|
| PM2.5(µg/m³) | 79.40 | 6.60 |
| PM10(µg/m³) | 86.80 | 10.00 |
| NO₂(µg/m³) | 3.40 | 3.60 |
| SO₂(µg/m³) | 17.20 | 2.50 |
| O₃(µg/m³) | 179.00 | 62.00 |
| CO(µg/m³) | 601.00 | 113.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kishanganj averaged an AQI of 144 while Kochi averaged 91 — a 53-point (58%) gap, with Kishanganj the more polluted and Kochi the cleaner of the two. On 611 days when both cities reported, Kochi was cleaner on 427 of them; the average daily gap was 87 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Kishanganj logged 0.2% Severe days and 37.099999999999994% Good-or-Satisfactory days; Kochi was 0% Severe and 70.9% Good-or-Satisfactory. Longest clean-air streaks: Kishanganj 23 days, Kochi 80 days.
Year-over-year progress
Kishanganj has improved by 136 AQI points (48.6%) from 2021 to 2024; Kochi has worsened by 7 AQI points (8.3%) over the same window. The worst recorded day for Kishanganj reached AQI 417 at SDM Office Khagra (BSPCB) on 2022-02-01; Kochi hit AQI 293 at Vyttila Kochi (PCB) on 2022-12-08.
Station-level disparity
Kishanganj spans 1 CPCB stations with a 0-point spread (min 156, max 156); Kochi spans 1 stations with a 0-point spread (min 88, max 88).
Verdict
🏆 Kochi has better air quality with an AQI of 11 compared to Kishanganj's 165. That's a significant difference of 154 points.