Kalaburagi vs Kollam
Side-by-side air quality comparison between Kalaburagi 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 | Kalaburagi | Kollam |
|---|---|---|
| PM2.5(µg/m³) | 13.80 | 4.70 |
| PM10(µg/m³) | 20.60 | 7.20 |
| NO₂(µg/m³) | 7.80 | 4.00 |
| SO₂(µg/m³) | 3.60 | 1.50 |
| O₃(µg/m³) | 48.00 | 31.00 |
| CO(µg/m³) | 181.00 | 91.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kalaburagi averaged an AQI of 49 while Kollam averaged 84 — a 35-point (71%) gap, with Kollam the more polluted and Kalaburagi the cleaner of the two. On 824 days when both cities reported, Kalaburagi was cleaner on 525 of them; the average daily gap was 38 AQI points.
Seasonality & days
Kalaburagi peaks in December, while Kollam peaks in January. Kalaburagi logged 0.6% Severe days and 69.6% Good-or-Satisfactory days; Kollam was 0% Severe and 81% Good-or-Satisfactory. Longest clean-air streaks: Kalaburagi 120 days, Kollam 65 days.
Year-over-year progress
Kalaburagi has improved by 56 AQI points (53.3%) from 2018 to 2024; Kollam has improved by 2 AQI points (2.3%) over the same window. The worst recorded day for Kalaburagi reached AQI 500 at Lal Bahadur Shastri Nagar (KSPCB) on 2020-10-26; Kollam hit AQI 272 at Polayathode Kollam (PCB) on 2024-04-06.
Station-level disparity
Kalaburagi spans 2 CPCB stations with a 40-point spread (min 43, max 83); Kollam spans 1 stations with a 0-point spread (min 84, max 84).
Verdict
🏆 Kollam has better air quality with an AQI of 8 compared to Kalaburagi's 23.