Jīnd vs Kollam
Side-by-side air quality comparison between Jīnd 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 | Jīnd | Kollam |
|---|---|---|
| PM2.5(µg/m³) | 82.20 | 4.90 |
| PM10(µg/m³) | 516.00 | 7.80 |
| NO₂(µg/m³) | 0.30 | 1.20 |
| SO₂(µg/m³) | 8.90 | 0.60 |
| O₃(µg/m³) | 185.00 | 48.00 |
| CO(µg/m³) | 252.00 | 99.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Jīnd averaged an AQI of 126 while Kollam averaged 84 — a 42-point (50%) gap, with Jīnd the more polluted and Kollam the cleaner of the two. On 1273 days when both cities reported, Kollam was cleaner on 986 of them; the average daily gap was 88 AQI points.
Seasonality & days
Jīnd peaks in November, while Kollam peaks in January. Jīnd logged 2.1% Severe days and 36.5% Good-or-Satisfactory days; Kollam was 0% Severe and 81% Good-or-Satisfactory. Longest clean-air streaks: Jīnd 23 days, Kollam 65 days.
Year-over-year progress
Jīnd has improved by 39 AQI points (23.6%) from 2019 to 2024; Kollam has improved by 2 AQI points (2.3%) over the same window. The worst recorded day for Jīnd reached AQI 491 at Police Lines (HSPCB) on 2019-11-03; Kollam hit AQI 272 at Polayathode Kollam (PCB) on 2024-04-06.
Station-level disparity
Jīnd spans 1 CPCB stations with a 0-point spread (min 158, max 158); 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 Jīnd's 451. That's a significant difference of 443 points.