Bhilai vs Kochi
Side-by-side air quality comparison between Bhilai 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 | Bhilai | Kochi |
|---|---|---|
| PM2.5(µg/m³) | 44.90 | 7.80 |
| PM10(µg/m³) | 52.30 | 9.90 |
| NO₂(µg/m³) | 45.10 | 10.00 |
| SO₂(µg/m³) | 64.50 | 2.70 |
| O₃(µg/m³) | 35.00 | 24.00 |
| CO(µg/m³) | 664.00 | 125.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bhilai averaged an AQI of 73 while Kochi averaged 91 — a 18-point (25%) gap, with Kochi the more polluted and Bhilai the cleaner of the two. On 420 days when both cities reported, Bhilai was cleaner on 257 of them; the average daily gap was 39 AQI points.
Seasonality & days
Bhilai peaks in November, while Kochi peaks in January. Bhilai logged 0% Severe days and 71.6% Good-or-Satisfactory days; Kochi was 0% Severe and 70.9% Good-or-Satisfactory. Longest clean-air streaks: Bhilai 119 days, Kochi 80 days.
Year-over-year progress
Bhilai has worsened by 8 AQI points (12.3%) from 2021 to 2024; Kochi has worsened by 7 AQI points (8.3%) over the same window. The worst recorded day for Bhilai reached AQI 288 at Hathkhoj (CECB) on 2023-12-26; Kochi hit AQI 293 at Vyttila Kochi (PCB) on 2022-12-08.
Station-level disparity
Bhilai spans 3 CPCB stations with a 25-point spread (min 59, max 84); 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 Bhilai's 75. That's a significant difference of 62 points.