Ajmer vs Kollam
Side-by-side air quality comparison between Ajmer 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 2022, Ajmer averaged an AQI of 112 while Kollam averaged 84 — a 28-point (33%) gap, with Ajmer the more polluted and Kollam the cleaner of the two. On 806 days when both cities reported, Kollam was cleaner on 537 of them; the average daily gap was 37 AQI points.
Seasonality & days
Ajmer peaks in November, while Kollam peaks in January. Ajmer logged 0% Severe days and 54.300000000000004% Good-or-Satisfactory days; Kollam was 0% Severe and 81% Good-or-Satisfactory. Longest clean-air streaks: Ajmer 94 days, Kollam 65 days.
Year-over-year progress
Ajmer has improved by 22 AQI points (16.4%) from 2017 to 2022; Kollam has improved by 2 AQI points (2.3%) over the same window. The worst recorded day for Ajmer reached AQI 357 at Civil Lines (RSPCB) on 2021-03-31; Kollam hit AQI 272 at Polayathode Kollam (PCB) on 2024-04-06.
Station-level disparity
Ajmer spans 1 CPCB stations with a 0-point spread (min 102, max 102); Kollam spans 1 stations with a 0-point spread (min 84, max 84).