Kanchipuram vs Rohtak
Side-by-side air quality comparison between Kanchipuram and Rohtak.
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 | Rohtak |
|---|---|---|
| PM2.5(µg/m³) | 9.70 | 75.20 |
| PM10(µg/m³) | 11.70 | 166.70 |
| NO₂(µg/m³) | 12.20 | 37.30 |
| SO₂(µg/m³) | 4.60 | 17.50 |
| O₃(µg/m³) | 41.00 | 42.00 |
| CO(µg/m³) | 265.00 | 658.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kanchipuram averaged an AQI of 51 while Rohtak averaged 148 — a 97-point (190%) gap, with Rohtak the more polluted and Kanchipuram the cleaner of the two. On 333 days when both cities reported, Kanchipuram was cleaner on 302 of them; the average daily gap was 93 AQI points.
Seasonality & days
Kanchipuram peaks in February, while Rohtak peaks in November. Kanchipuram logged 0% Severe days and 94% Good-or-Satisfactory days; Rohtak was 1.1% Severe and 36.599999999999994% Good-or-Satisfactory. Longest clean-air streaks: Kanchipuram 18 days, Rohtak 45 days.
Year-over-year progress
Kanchipuram has improved by 18 AQI points (26.1%) from 2022 to 2024; Rohtak has improved by 123 AQI points (45.4%) over the same window. The worst recorded day for Kanchipuram reached AQI 320 at Kilambi (TNPCB) on 2023-05-22; Rohtak hit AQI 498 at MD University (HSPCB) on 2019-11-03.
Station-level disparity
Kanchipuram spans 1 CPCB stations with a 0-point spread (min 57, max 57); Rohtak spans 1 stations with a 0-point spread (min 159, max 159).
Verdict
🏆 Kanchipuram has better air quality with an AQI of 16 compared to Rohtak's 151. That's a significant difference of 135 points.