Kollam vs Pāli
Side-by-side air quality comparison between Kollam and Pāli.
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 | Pāli |
|---|---|---|
| PM2.5(µg/m³) | 4.70 | 32.20 |
| PM10(µg/m³) | 7.20 | 95.20 |
| NO₂(µg/m³) | 4.00 | 3.50 |
| SO₂(µg/m³) | 1.50 | 2.10 |
| O₃(µg/m³) | 31.00 | 58.00 |
| CO(µg/m³) | 91.00 | 137.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kollam averaged an AQI of 84 while Pāli averaged 134 — a 50-point (60%) gap, with Pāli the more polluted and Kollam the cleaner of the two. On 1362 days when both cities reported, Kollam was cleaner on 1003 of them; the average daily gap was 47 AQI points.
Seasonality & days
Kollam peaks in January, while Pāli peaks in May. Kollam logged 0% Severe days and 81% Good-or-Satisfactory days; Pāli was 0% Severe and 40.099999999999994% Good-or-Satisfactory. Longest clean-air streaks: Kollam 65 days, Pāli 38 days.
Year-over-year progress
Kollam has improved by 2 AQI points (2.3%) from 2020 to 2024; Pāli has improved by 47 AQI points (26%) over the same window. The worst recorded day for Kollam reached AQI 272 at Polayathode Kollam (PCB) on 2024-04-06; Pāli hit AQI 453 at Indira Colony Vistar (RSPCB) on 2019-04-16.
Station-level disparity
Kollam spans 1 CPCB stations with a 0-point spread (min 84, max 84); Pāli spans 1 stations with a 0-point spread (min 123, max 123).
Verdict
🏆 Kollam has better air quality with an AQI of 8 compared to Pāli's 95. That's a significant difference of 87 points.