Kadapa vs Kollam
Side-by-side air quality comparison between Kadapa 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 | Kadapa | Kollam |
|---|---|---|
| PM2.5(µg/m³) | 6.30 | 4.90 |
| PM10(µg/m³) | 9.10 | 7.80 |
| NO₂(µg/m³) | 1.40 | 1.20 |
| SO₂(µg/m³) | 5.50 | 0.60 |
| O₃(µg/m³) | 104.00 | 48.00 |
| CO(µg/m³) | 144.00 | 99.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kadapa averaged an AQI of 62 while Kollam averaged 84 — a 22-point (35%) gap, with Kollam the more polluted and Kadapa the cleaner of the two. On 413 days when both cities reported, Kadapa was cleaner on 288 of them; the average daily gap was 37 AQI points.
Seasonality & days
Kadapa peaks in February, while Kollam peaks in January. Kadapa logged 0% Severe days and 87.80000000000001% Good-or-Satisfactory days; Kollam was 0% Severe and 81% Good-or-Satisfactory. Longest clean-air streaks: Kadapa 72 days, Kollam 65 days.
Year-over-year progress
Kadapa has improved by 6 AQI points (8.8%) from 2023 to 2024; Kollam has improved by 2 AQI points (2.3%) over the same window. The worst recorded day for Kadapa reached AQI 260 at Yerramukkapalli (APPCB) on 2024-12-11; Kollam hit AQI 272 at Polayathode Kollam (PCB) on 2024-04-06.
Station-level disparity
Kadapa spans 1 CPCB stations with a 0-point spread (min 65, max 65); 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 Kadapa's 11.