Cuddalore vs Khanna
Side-by-side air quality comparison between Cuddalore and Khanna.
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 | Cuddalore | Khanna |
|---|---|---|
| PM2.5(µg/m³) | 13.40 | 43.40 |
| PM10(µg/m³) | 15.40 | 93.60 |
| NO₂(µg/m³) | 6.10 | 2.30 |
| SO₂(µg/m³) | 21.40 | 14.50 |
| O₃(µg/m³) | 122.00 | 198.00 |
| CO(µg/m³) | 139.00 | 321.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Cuddalore averaged an AQI of 52 while Khanna averaged 102 — a 50-point (96%) gap, with Khanna the more polluted and Cuddalore the cleaner of the two. On 311 days when both cities reported, Cuddalore was cleaner on 268 of them; the average daily gap was 55 AQI points.
Seasonality & days
Cuddalore peaks in January, while Khanna peaks in November. Cuddalore logged 0% Severe days and 90.6% Good-or-Satisfactory days; Khanna was 0% Severe and 61.599999999999994% Good-or-Satisfactory. Longest clean-air streaks: Cuddalore 34 days, Khanna 60 days.
Year-over-year progress
The worst recorded day for Cuddalore reached AQI 329 at Kudikadu (TNPCB) on 2024-04-05; Khanna hit AQI 297 at Kalal Majra (PPCB) on 2023-11-09.
Station-level disparity
Cuddalore spans 2 CPCB stations with a 11-point spread (min 46, max 57); Khanna spans 1 stations with a 0-point spread (min 100, max 100).
Verdict
🏆 Cuddalore has better air quality with an AQI of 22 compared to Khanna's 94. That's a significant difference of 72 points.