Hyderabad vs Kollam
Side-by-side air quality comparison between Hyderabad 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, Hyderabad averaged an AQI of 78 while Kollam averaged 84 — a 6-point (8%) gap, with Kollam the more polluted and Hyderabad the cleaner of the two. On 1119 days when both cities reported, Kollam was cleaner on 863 of them; the average daily gap was 50 AQI points.
Seasonality & days
Hyderabad peaks in December, while Kollam peaks in January. Hyderabad logged 0.2% Severe days and 41.6% Good-or-Satisfactory days; Kollam was 0% Severe and 81% Good-or-Satisfactory. Longest clean-air streaks: Hyderabad 71 days, Kollam 65 days.
Year-over-year progress
Hyderabad has improved by 24 AQI points (23.5%) from 2016 to 2024; Kollam has improved by 2 AQI points (2.3%) over the same window. The worst recorded day for Hyderabad reached AQI 500 at Sanathnagar (TSPCB) on 2024-04-28; Kollam hit AQI 272 at Polayathode Kollam (PCB) on 2024-04-06.
Station-level disparity
Hyderabad spans 14 CPCB stations with a 35-point spread (min 62, max 97); Kollam spans 1 stations with a 0-point spread (min 84, max 84).