Bāgalkot vs Kollam
Side-by-side air quality comparison between Bāgalkot 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
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)▾
| Pollutant | Bāgalkot | Kollam |
|---|---|---|
| PM2.5(µg/m³) | 7.90 | 5.50 |
| PM10(µg/m³) | 14.70 | 7.90 |
| NO₂(µg/m³) | 5.70 | 3.80 |
| SO₂(µg/m³) | 1.60 | 1.60 |
| O₃(µg/m³) | 44.00 | 33.00 |
| CO(µg/m³) | 164.00 | 96.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bāgalkot averaged an AQI of 47 while Kollam averaged 84 — a 37-point (79%) gap, with Kollam the more polluted and Bāgalkot the cleaner of the two. On 1304 days when both cities reported, Bāgalkot was cleaner on 1186 of them; the average daily gap was 38 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Bāgalkot logged 0% Severe days and 96.3% Good-or-Satisfactory days; Kollam was 0% Severe and 81% Good-or-Satisfactory. Longest clean-air streaks: Bāgalkot 109 days, Kollam 65 days.
Year-over-year progress
Bāgalkot has improved by 26 AQI points (35.6%) from 2020 to 2024; Kollam has improved by 2 AQI points (2.3%) over the same window. The worst recorded day for Bāgalkot reached AQI 242 at Vidayagiri (KSPCB) on 2020-11-01; Kollam hit AQI 272 at Polayathode Kollam (PCB) on 2024-04-06.
Station-level disparity
Bāgalkot spans 1 CPCB stations with a 0-point spread (min 50, max 50); Kollam spans 1 stations with a 0-point spread (min 84, max 84).
Verdict
🏆 Kollam has better air quality with an AQI of 9 compared to Bāgalkot's 15.