Cuddalore vs Sonipat
Side-by-side air quality comparison between Cuddalore and Sonipat.
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 | Sonipat |
|---|---|---|
| PM2.5(µg/m³) | 15.00 | 80.80 |
| PM10(µg/m³) | 18.20 | 143.90 |
| NO₂(µg/m³) | 15.90 | 41.80 |
| SO₂(µg/m³) | 10.00 | 33.00 |
| O₃(µg/m³) | 39.00 | 63.00 |
| CO(µg/m³) | 353.00 | 675.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Cuddalore averaged an AQI of 52 while Sonipat averaged 134 — a 82-point (158%) gap, with Sonipat the more polluted and Cuddalore the cleaner of the two. On 260 days when both cities reported, Cuddalore was cleaner on 226 of them; the average daily gap was 78 AQI points.
Seasonality & days
Cuddalore peaks in January, while Sonipat peaks in November. Cuddalore logged 0% Severe days and 90.6% Good-or-Satisfactory days; Sonipat was 0.8% Severe and 26.5% Good-or-Satisfactory. Longest clean-air streaks: Cuddalore 34 days, Sonipat 21 days.
Year-over-year progress
The worst recorded day for Cuddalore reached AQI 329 at Kudikadu (TNPCB) on 2024-04-05; Sonipat hit AQI 455 at Murthal (HSPCB) on 2023-11-03.
Station-level disparity
Cuddalore spans 2 CPCB stations with a 11-point spread (min 46, max 57); Sonipat spans 1 stations with a 0-point spread (min 162, max 162).
Verdict
🏆 Cuddalore has better air quality with an AQI of 25 compared to Sonipat's 170. That's a significant difference of 145 points.