Bhubaneswar vs Coimbatore
Side-by-side air quality comparison between Bhubaneswar and Coimbatore.
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 | Bhubaneswar | Coimbatore |
|---|---|---|
| PM2.5(µg/m³) | 33.90 | 2.50 |
| PM10(µg/m³) | 36.60 | 3.00 |
| NO₂(µg/m³) | 14.60 | 4.60 |
| SO₂(µg/m³) | 8.30 | 2.00 |
| O₃(µg/m³) | 65.00 | 40.00 |
| CO(µg/m³) | 405.00 | 163.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bhubaneswar averaged an AQI of 115 while Coimbatore averaged 66 — a 49-point (74%) gap, with Bhubaneswar the more polluted and Coimbatore the cleaner of the two. On 288 days when both cities reported, Coimbatore was cleaner on 236 of them; the average daily gap was 70 AQI points.
Seasonality & days
Bhubaneswar peaks in January, while Coimbatore peaks in November. Bhubaneswar logged 0% Severe days and 48.8% Good-or-Satisfactory days; Coimbatore was 0% Severe and 90.5% Good-or-Satisfactory. Longest clean-air streaks: Bhubaneswar 27 days, Coimbatore 32 days.
Year-over-year progress
The worst recorded day for Bhubaneswar reached AQI 341 at Lingraj Mandir (OSPCB) on 2024-01-09; Coimbatore hit AQI 279 at SIDCO Kurichi (TNPCB) on 2024-09-28.
Station-level disparity
Bhubaneswar spans 2 CPCB stations with a 2-point spread (min 114, max 116); Coimbatore spans 2 stations with a 1-point spread (min 63, max 64).
Verdict
🏆 Coimbatore has better air quality with an AQI of 4 compared to Bhubaneswar's 57. That's a significant difference of 53 points.