Kollam vs Rāichūr
Side-by-side air quality comparison between Kollam and Rāichūr.
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 Rāichūr averaged 106 — a 22-point (26%) gap, with Rāichūr the more polluted and Kollam the cleaner of the two. On 896 days when both cities reported, Kollam was cleaner on 534 of them; the average daily gap was 32 AQI points.
Seasonality & days
Kollam peaks in January, while Rāichūr peaks in February. Kollam logged 0% Severe days and 81% Good-or-Satisfactory days; Rāichūr was 0% Severe and 54.1% Good-or-Satisfactory. Longest clean-air streaks: Kollam 65 days, Rāichūr 23 days.
Year-over-year progress
Kollam has improved by 2 AQI points (2.3%) from 2020 to 2024; Rāichūr has improved by 24 AQI points (18.5%) over the same window. The worst recorded day for Kollam reached AQI 272 at Polayathode Kollam (PCB) on 2024-04-06; Rāichūr hit AQI 390 at Haji Colony (KSPCB) on 2022-01-25.
Station-level disparity
Kollam spans 1 CPCB stations with a 0-point spread (min 84, max 84); Rāichūr spans 1 stations with a 0-point spread (min 93, max 93).