Cuddalore vs Rohtak
Side-by-side air quality comparison between Cuddalore 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 | Cuddalore | Rohtak |
|---|---|---|
| PM2.5(µg/m³) | 13.10 | 75.20 |
| PM10(µg/m³) | 16.60 | 166.70 |
| NO₂(µg/m³) | 17.00 | 37.30 |
| SO₂(µg/m³) | 7.60 | 17.50 |
| O₃(µg/m³) | 36.00 | 42.00 |
| CO(µg/m³) | 507.00 | 658.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Cuddalore averaged an AQI of 52 while Rohtak averaged 148 — a 96-point (185%) gap, with Rohtak the more polluted and Cuddalore the cleaner of the two. On 306 days when both cities reported, Cuddalore was cleaner on 277 of them; the average daily gap was 91 AQI points.
Seasonality & days
Cuddalore peaks in January, while Rohtak peaks in November. Cuddalore logged 0% Severe days and 90.6% Good-or-Satisfactory days; Rohtak was 1.1% Severe and 36.599999999999994% Good-or-Satisfactory. Longest clean-air streaks: Cuddalore 34 days, Rohtak 45 days.
Year-over-year progress
The worst recorded day for Cuddalore reached AQI 329 at Kudikadu (TNPCB) on 2024-04-05; Rohtak hit AQI 498 at MD University (HSPCB) on 2019-11-03.
Station-level disparity
Cuddalore spans 2 CPCB stations with a 11-point spread (min 46, max 57); Rohtak spans 1 stations with a 0-point spread (min 159, max 159).
Verdict
🏆 Cuddalore has better air quality with an AQI of 22 compared to Rohtak's 151. That's a significant difference of 129 points.