Kanchipuram vs Prayagraj
Side-by-side air quality comparison between Kanchipuram and Prayagraj.
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 | Prayagraj |
|---|---|---|
| PM2.5(µg/m³) | 9.70 | 80.10 |
| PM10(µg/m³) | 11.70 | 101.50 |
| NO₂(µg/m³) | 12.20 | 63.30 |
| SO₂(µg/m³) | 4.60 | 16.20 |
| O₃(µg/m³) | 41.00 | 1.00 |
| CO(µg/m³) | 265.00 | 275.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kanchipuram averaged an AQI of 51 while Prayagraj averaged 80 — a 29-point (57%) gap, with Prayagraj the more polluted and Kanchipuram the cleaner of the two. On 141 days when both cities reported, Kanchipuram was cleaner on 129 of them; the average daily gap was 59 AQI points.
Seasonality & days
Kanchipuram peaks in February, while Prayagraj peaks in November. Kanchipuram logged 0% Severe days and 94% Good-or-Satisfactory days; Prayagraj was 0.2% Severe and 48% Good-or-Satisfactory. Longest clean-air streaks: Kanchipuram 18 days, Prayagraj 69 days.
Year-over-year progress
Kanchipuram has improved by 18 AQI points (26.1%) from 2022 to 2024; Prayagraj has improved by 42 AQI points (34.4%) over the same window. The worst recorded day for Kanchipuram reached AQI 320 at Kilambi (TNPCB) on 2023-05-22; Prayagraj hit AQI 416 at Nagar Nigam (UPPCB) on 2021-11-08.
Station-level disparity
Kanchipuram spans 1 CPCB stations with a 0-point spread (min 57, max 57); Prayagraj spans 3 stations with a 9-point spread (min 96, max 105).
Verdict
🏆 Kanchipuram has better air quality with an AQI of 16 compared to Prayagraj's 167. That's a significant difference of 151 points.