Kollam vs Rishīkesh
Side-by-side air quality comparison between Kollam and Rishīkesh.
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 Rishīkesh averaged 74 — a 10-point (14%) gap, with Kollam the more polluted and Rishīkesh the cleaner of the two. On 497 days when both cities reported, Rishīkesh was cleaner on 361 of them; the average daily gap was 35 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; Rishīkesh was 0% Severe and 88.3% Good-or-Satisfactory. Longest clean-air streaks: Kollam 65 days, Rishīkesh 95 days.
Year-over-year progress
Kollam has improved by 2 AQI points (2.3%) from 2020 to 2024; Rishīkesh has worsened by 21 AQI points (39.6%) over the same window. The worst recorded day for Kollam reached AQI 272 at Polayathode Kollam (PCB) on 2024-04-06; Rishīkesh hit AQI 208 at Shivaji Nagar (UKPCB) on 2024-11-11.
Station-level disparity
Kollam spans 1 CPCB stations with a 0-point spread (min 84, max 84); Rishīkesh spans 1 stations with a 0-point spread (min 64, max 64).