Bhubaneswar vs Kollam
Side-by-side air quality comparison between Bhubaneswar and Kollam.
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
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bhubaneswar averaged an AQI of 115 while Kollam averaged 84 — a 31-point (37%) gap, with Bhubaneswar the more polluted and Kollam the cleaner of the two. On 270 days when both cities reported, Kollam was cleaner on 185 of them; the average daily gap was 63 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Bhubaneswar logged 0% Severe days and 48.8% Good-or-Satisfactory days; Kollam was 0% Severe and 81% Good-or-Satisfactory. Longest clean-air streaks: Bhubaneswar 27 days, Kollam 65 days.
Year-over-year progress
The worst recorded day for Bhubaneswar reached AQI 341 at Lingraj Mandir (OSPCB) on 2024-01-09; Kollam hit AQI 272 at Polayathode Kollam (PCB) on 2024-04-06.
Station-level disparity
Bhubaneswar spans 2 CPCB stations with a 2-point spread (min 114, max 116); Kollam spans 1 stations with a 0-point spread (min 84, max 84).