Kanchipuram vs Karur
Side-by-side air quality comparison between Kanchipuram and Karur.
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 | Karur |
|---|---|---|
| PM2.5(µg/m³) | 9.40 | 3.80 |
| PM10(µg/m³) | 11.10 | 4.20 |
| NO₂(µg/m³) | 10.40 | 6.80 |
| SO₂(µg/m³) | 4.60 | 3.00 |
| O₃(µg/m³) | 44.00 | 38.00 |
| CO(µg/m³) | 243.00 | 131.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kanchipuram averaged an AQI of 51 while Karur averaged 71 — a 20-point (39%) gap, with Karur the more polluted and Kanchipuram the cleaner of the two. On 43 days when both cities reported, Kanchipuram was cleaner on 34 of them; the average daily gap was 35 AQI points.
Seasonality & days
Kanchipuram peaks in February, while Karur peaks in December. Kanchipuram logged 0% Severe days and 94% Good-or-Satisfactory days; Karur was 0% Severe and 80.3% Good-or-Satisfactory. Longest clean-air streaks: Kanchipuram 18 days, Karur 34 days.
Year-over-year progress
The worst recorded day for Kanchipuram reached AQI 320 at Kilambi (TNPCB) on 2023-05-22; Karur hit AQI 149 at Kamadenu Nagar (TNPCB) on 2024-11-26.
Station-level disparity
Kanchipuram spans 1 CPCB stations with a 0-point spread (min 57, max 57); Karur spans 1 stations with a 0-point spread (min 71, max 71).
Verdict
🏆 Karur has better air quality with an AQI of 6 compared to Kanchipuram's 16.