Kollam vs Panchkula
Side-by-side air quality comparison between Kollam and Panchkula.
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 | Kollam | Panchkula |
|---|---|---|
| PM2.5(µg/m³) | 4.60 | 50.90 |
| PM10(µg/m³) | 7.10 | 66.80 |
| NO₂(µg/m³) | 4.40 | 44.60 |
| SO₂(µg/m³) | 1.50 | 8.10 |
| O₃(µg/m³) | 30.00 | 11.00 |
| CO(µg/m³) | 89.00 | 714.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kollam averaged an AQI of 84 while Panchkula averaged 117 — a 33-point (39%) gap, with Panchkula the more polluted and Kollam the cleaner of the two. On 790 days when both cities reported, Kollam was cleaner on 412 of them; the average daily gap was 47 AQI points.
Seasonality & days
Kollam peaks in January, while Panchkula peaks in December. Kollam logged 0% Severe days and 81% Good-or-Satisfactory days; Panchkula was 0.1% Severe and 61.9% Good-or-Satisfactory. Longest clean-air streaks: Kollam 65 days, Panchkula 60 days.
Year-over-year progress
Kollam has improved by 2 AQI points (2.3%) from 2020 to 2024; Panchkula has improved by 74 AQI points (38.7%) over the same window. The worst recorded day for Kollam reached AQI 272 at Polayathode Kollam (PCB) on 2024-04-06; Panchkula hit AQI 474 at Sector-6 Panchkula () on 2018-06-15.
Station-level disparity
Kollam spans 1 CPCB stations with a 0-point spread (min 84, max 84); Panchkula spans 1 stations with a 0-point spread (min 102, max 102).
Verdict
🏆 Kollam has better air quality with an AQI of 8 compared to Panchkula's 85. That's a significant difference of 77 points.