Kanchipuram vs Ratlam
Side-by-side air quality comparison between Kanchipuram and Ratlam.
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 | Ratlam |
|---|---|---|
| PM2.5(µg/m³) | 9.40 | 25.00 |
| PM10(µg/m³) | 11.10 | 40.30 |
| NO₂(µg/m³) | 10.40 | 8.90 |
| SO₂(µg/m³) | 4.60 | 16.30 |
| O₃(µg/m³) | 44.00 | 44.00 |
| CO(µg/m³) | 243.00 | 194.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kanchipuram averaged an AQI of 51 while Ratlam averaged 113 — a 62-point (122%) gap, with Ratlam the more polluted and Kanchipuram the cleaner of the two. On 329 days when both cities reported, Kanchipuram was cleaner on 299 of them; the average daily gap was 54 AQI points.
Seasonality & days
Kanchipuram peaks in February, while Ratlam peaks in November. Kanchipuram logged 0% Severe days and 94% Good-or-Satisfactory days; Ratlam was 0% Severe and 46.4% Good-or-Satisfactory. Longest clean-air streaks: Kanchipuram 18 days, Ratlam 59 days.
Year-over-year progress
Kanchipuram has improved by 18 AQI points (26.1%) from 2022 to 2024; Ratlam has improved by 19 AQI points (14.4%) over the same window. The worst recorded day for Kanchipuram reached AQI 320 at Kilambi (TNPCB) on 2023-05-22; Ratlam hit AQI 302 at Shasthri Nagar Ratlam (Lab) on 2020-11-11.
Station-level disparity
Kanchipuram spans 1 CPCB stations with a 0-point spread (min 57, max 57); Ratlam spans 1 stations with a 0-point spread (min 103, max 103).
Verdict
🏆 Kanchipuram has better air quality with an AQI of 16 compared to Ratlam's 42.