Kollam vs Navi Mumbai
Side-by-side air quality comparison between Kollam and Navi Mumbai.
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 Navi Mumbai averaged 107 — a 23-point (27%) gap, with Navi Mumbai the more polluted and Kollam the cleaner of the two. On 1094 days when both cities reported, Kollam was cleaner on 878 of them; the average daily gap was 81 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; Navi Mumbai was 0.2% Severe and 43.6% Good-or-Satisfactory. Longest clean-air streaks: Kollam 65 days, Navi Mumbai 57 days.
Year-over-year progress
Kollam has improved by 2 AQI points (2.3%) from 2020 to 2024; Navi Mumbai has worsened by 29 AQI points (37.2%) over the same window. The worst recorded day for Kollam reached AQI 272 at Polayathode Kollam (PCB) on 2024-04-06; Navi Mumbai hit AQI 477 at Airoli Navi (MPCB) on 2019-04-14.
Station-level disparity
Kollam spans 1 CPCB stations with a 0-point spread (min 84, max 84); Navi Mumbai spans 8 stations with a 37-point spread (min 93, max 130).