Bilaspur vs Kochi
Side-by-side air quality comparison between Bilaspur 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 | Bilaspur | Kochi |
|---|---|---|
| PM2.5(µg/m³) | 34.80 | 7.80 |
| PM10(µg/m³) | 43.70 | 9.90 |
| NO₂(µg/m³) | 28.50 | 10.00 |
| SO₂(µg/m³) | 18.50 | 2.70 |
| O₃(µg/m³) | 38.00 | 24.00 |
| CO(µg/m³) | 477.00 | 125.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bilaspur averaged an AQI of 61 while Kochi averaged 91 — a 30-point (49%) gap, with Kochi the more polluted and Bilaspur the cleaner of the two. On 599 days when both cities reported, Bilaspur was cleaner on 392 of them; the average daily gap was 43 AQI points.
Seasonality & days
Bilaspur peaks in December, while Kochi peaks in January. Bilaspur logged 0% Severe days and 88% Good-or-Satisfactory days; Kochi was 0% Severe and 70.9% Good-or-Satisfactory. Longest clean-air streaks: Bilaspur 66 days, Kochi 80 days.
Year-over-year progress
Bilaspur has improved by 22 AQI points (26.5%) from 2021 to 2024; Kochi has worsened by 7 AQI points (8.3%) over the same window. The worst recorded day for Bilaspur reached AQI 259 at Mangala (NTPC) on 2023-03-09; Kochi hit AQI 293 at Vyttila Kochi (PCB) on 2022-12-08.
Station-level disparity
Bilaspur spans 1 CPCB stations with a 0-point spread (min 69, max 69); Kochi spans 1 stations with a 0-point spread (min 88, max 88).
Verdict
🏆 Kochi has better air quality with an AQI of 13 compared to Bilaspur's 59.