Buxar vs Kollam
Side-by-side air quality comparison between Buxar 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 | Buxar | Kollam |
|---|---|---|
| PM2.5(µg/m³) | 87.80 | 5.50 |
| PM10(µg/m³) | 101.70 | 7.90 |
| NO₂(µg/m³) | 48.00 | 3.80 |
| SO₂(µg/m³) | 15.50 | 1.60 |
| O₃(µg/m³) | 45.00 | 33.00 |
| CO(µg/m³) | 650.00 | 96.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Buxar averaged an AQI of 141 while Kollam averaged 84 — a 57-point (68%) gap, with Buxar the more polluted and Kollam the cleaner of the two. On 165 days when both cities reported, Kollam was cleaner on 130 of them; the average daily gap was 79 AQI points.
Seasonality & days
Buxar peaks in February, while Kollam peaks in January. Buxar logged 0% Severe days and 39% Good-or-Satisfactory days; Kollam was 0% Severe and 81% Good-or-Satisfactory. Longest clean-air streaks: Buxar 13 days, Kollam 65 days.
Year-over-year progress
The worst recorded day for Buxar reached AQI 389 at Charitra Van (BSPCB) on 2024-02-11; Kollam hit AQI 272 at Polayathode Kollam (PCB) on 2024-04-06.
Station-level disparity
Buxar spans 1 CPCB stations with a 0-point spread (min 141, max 141); 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 Buxar's 193. That's a significant difference of 184 points.