Firozabad vs Kollam
Side-by-side air quality comparison between Firozabad 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, Firozabad averaged an AQI of 73 while Kollam averaged 84 — a 11-point (15%) gap, with Kollam the more polluted and Firozabad the cleaner of the two. On 729 days when both cities reported, Kollam was cleaner on 442 of them; the average daily gap was 61 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Firozabad logged 0.6% Severe days and 56.6% Good-or-Satisfactory days; Kollam was 0% Severe and 81% Good-or-Satisfactory. Longest clean-air streaks: Firozabad 68 days, Kollam 65 days.
Year-over-year progress
Firozabad has improved by 70 AQI points (49%) from 2021 to 2024; Kollam has improved by 2 AQI points (2.3%) over the same window. The worst recorded day for Firozabad reached AQI 489 at Nagla Bhau (UPPCB) on 2021-11-09; Kollam hit AQI 272 at Polayathode Kollam (PCB) on 2024-04-06.
Station-level disparity
Firozabad spans 2 CPCB stations with a 19-point spread (min 88, max 107); Kollam spans 1 stations with a 0-point spread (min 84, max 84).