Kollam vs Udaipur
Side-by-side air quality comparison between Kollam and Udaipur.
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, Kollam averaged an AQI of 84 while Udaipur averaged 112 — a 28-point (33%) gap, with Udaipur the more polluted and Kollam the cleaner of the two. On 1388 days when both cities reported, Kollam was cleaner on 971 of them; the average daily gap was 42 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Kollam logged 0% Severe days and 81% Good-or-Satisfactory days; Udaipur was 0% Severe and 47% Good-or-Satisfactory. Longest clean-air streaks: Kollam 65 days, Udaipur 49 days.
Year-over-year progress
Kollam has improved by 2 AQI points (2.3%) from 2020 to 2024; Udaipur has improved by 77 AQI points (40.7%) over the same window. The worst recorded day for Kollam reached AQI 272 at Polayathode Kollam (PCB) on 2024-04-06; Udaipur hit AQI 348 at Ashok Nagar (RSPCB) on 2021-11-15.
Station-level disparity
Kollam spans 1 CPCB stations with a 0-point spread (min 84, max 84); Udaipur spans 1 stations with a 0-point spread (min 112, max 112).