Kanchipuram vs Thrissur
Side-by-side air quality comparison between Kanchipuram and Thrissur.
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 | Kanchipuram | Thrissur |
|---|---|---|
| PM2.5(µg/m³) | 9.70 | 8.60 |
| PM10(µg/m³) | 11.70 | 10.30 |
| NO₂(µg/m³) | 12.20 | 11.10 |
| SO₂(µg/m³) | 4.60 | 3.10 |
| O₃(µg/m³) | 41.00 | 23.00 |
| CO(µg/m³) | 265.00 | 153.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kanchipuram averaged an AQI of 51 while Thrissur averaged 57 — a 6-point (12%) gap, with Thrissur the more polluted and Kanchipuram the cleaner of the two. On 287 days when both cities reported, Kanchipuram was cleaner on 231 of them; the average daily gap was 26 AQI points.
Seasonality & days
Both cities see their worst air in February on average. Kanchipuram logged 0% Severe days and 94% Good-or-Satisfactory days; Thrissur was 0% Severe and 88.4% Good-or-Satisfactory. Longest clean-air streaks: Kanchipuram 18 days, Thrissur 52 days.
Year-over-year progress
Kanchipuram has improved by 18 AQI points (26.1%) from 2022 to 2024; Thrissur has improved by 21 AQI points (26.9%) over the same window. The worst recorded day for Kanchipuram reached AQI 320 at Kilambi (TNPCB) on 2023-05-22; Thrissur hit AQI 181 at Corporation Ground Thrissur (PCB) on 2023-01-09.
Station-level disparity
Kanchipuram spans 1 CPCB stations with a 0-point spread (min 57, max 57); Thrissur spans 1 stations with a 0-point spread (min 68, max 68).
Verdict
🏆 Thrissur has better air quality with an AQI of 14 compared to Kanchipuram's 16.