Faridabad vs Kollam
Side-by-side air quality comparison between Faridabad 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 | Faridabad | Kollam |
|---|---|---|
| PM2.5(µg/m³) | 69.60 | 5.50 |
| PM10(µg/m³) | 137.40 | 7.90 |
| NO₂(µg/m³) | 30.10 | 3.80 |
| SO₂(µg/m³) | 17.90 | 1.60 |
| O₃(µg/m³) | 65.00 | 33.00 |
| CO(µg/m³) | 589.00 | 96.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Faridabad averaged an AQI of 181 while Kollam averaged 84 — a 97-point (115%) gap, with Faridabad the more polluted and Kollam the cleaner of the two. On 1405 days when both cities reported, Kollam was cleaner on 1317 of them; the average daily gap was 154 AQI points.
Seasonality & days
Faridabad peaks in November, while Kollam peaks in January. Faridabad logged 6.9% Severe days and 15.7% Good-or-Satisfactory days; Kollam was 0% Severe and 81% Good-or-Satisfactory. Longest clean-air streaks: Faridabad 19 days, Kollam 65 days.
Year-over-year progress
Faridabad has improved by 42 AQI points (18.8%) from 2016 to 2024; Kollam has improved by 2 AQI points (2.3%) over the same window. The worst recorded day for Faridabad reached AQI 500 at New Industrial Town (HSPCB) on 2024-05-10; Kollam hit AQI 272 at Polayathode Kollam (PCB) on 2024-04-06.
Station-level disparity
Faridabad spans 4 CPCB stations with a 25-point spread (min 184, max 209); 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 Faridabad's 133. That's a significant difference of 124 points.