Kanchipuram vs Kārwār
Side-by-side air quality comparison between Kanchipuram and Kārwār.
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 | Kārwār |
|---|---|---|
| PM2.5(µg/m³) | 9.70 | 7.10 |
| PM10(µg/m³) | 11.70 | 19.60 |
| NO₂(µg/m³) | 12.20 | 0.70 |
| SO₂(µg/m³) | 4.60 | 0.40 |
| O₃(µg/m³) | 41.00 | 54.00 |
| CO(µg/m³) | 265.00 | 95.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kanchipuram averaged an AQI of 51 while Kārwār averaged 55 — a 4-point (8%) gap, with Kārwār the more polluted and Kanchipuram the cleaner of the two. On 73 days when both cities reported, Kārwār was cleaner on 42 of them; the average daily gap was 25 AQI points.
Seasonality & days
Kanchipuram peaks in February, while Kārwār peaks in January. Kanchipuram logged 0% Severe days and 94% Good-or-Satisfactory days; Kārwār was 0% Severe and 92.7% Good-or-Satisfactory. Longest clean-air streaks: Kanchipuram 18 days, Kārwār 34 days.
Year-over-year progress
Kanchipuram has improved by 18 AQI points (26.1%) from 2022 to 2024; Kārwār has improved by 72 AQI points (56.7%) over the same window. The worst recorded day for Kanchipuram reached AQI 320 at Kilambi (TNPCB) on 2023-05-22; Kārwār hit AQI 222 at KHB Colony (KSPCB) on 2023-12-21.
Station-level disparity
Kanchipuram spans 1 CPCB stations with a 0-point spread (min 57, max 57); Kārwār spans 1 stations with a 0-point spread (min 58, max 58).
Verdict
🏆 Kanchipuram has better air quality with an AQI of 16 compared to Kārwār's 20.