Hāveri vs Kollam
Side-by-side air quality comparison between Hāveri 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, Hāveri averaged an AQI of 66 while Kollam averaged 84 — a 18-point (27%) gap, with Kollam the more polluted and Hāveri the cleaner of the two. On 648 days when both cities reported, Hāveri was cleaner on 444 of them; the average daily gap was 29 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Hāveri logged 0% Severe days and 86.69999999999999% Good-or-Satisfactory days; Kollam was 0% Severe and 81% Good-or-Satisfactory. Longest clean-air streaks: Hāveri 76 days, Kollam 65 days.
Year-over-year progress
Hāveri has improved by 1 AQI points (1.5%) from 2022 to 2024; Kollam has improved by 2 AQI points (2.3%) over the same window. The worst recorded day for Hāveri reached AQI 262 at Ashwini Nagar (KSPCB) on 2023-11-17; Kollam hit AQI 272 at Polayathode Kollam (PCB) on 2024-04-06.
Station-level disparity
Hāveri spans 1 CPCB stations with a 0-point spread (min 68, max 68); Kollam spans 1 stations with a 0-point spread (min 84, max 84).