Balasore vs Kollam
Side-by-side air quality comparison between Balasore 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, Balasore averaged an AQI of 131 while Kollam averaged 84 — a 47-point (56%) gap, with Balasore the more polluted and Kollam the cleaner of the two. On 328 days when both cities reported, Kollam was cleaner on 268 of them; the average daily gap was 71 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Balasore logged 0.2% Severe days and 42.9% Good-or-Satisfactory days; Kollam was 0% Severe and 81% Good-or-Satisfactory. Longest clean-air streaks: Balasore 29 days, Kollam 65 days.
Year-over-year progress
Balasore has improved by 58 AQI points (30.7%) from 2023 to 2024; Kollam has improved by 2 AQI points (2.3%) over the same window. The worst recorded day for Balasore reached AQI 406 at Kalidaspur (OSPCB) on 2024-01-16; Kollam hit AQI 272 at Polayathode Kollam (PCB) on 2024-04-06.
Station-level disparity
Balasore spans 1 CPCB stations with a 0-point spread (min 141, max 141); Kollam spans 1 stations with a 0-point spread (min 84, max 84).