Cuddalore vs Palwal
Side-by-side air quality comparison between Cuddalore and Palwal.
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 | Palwal |
|---|---|---|
| PM2.5(µg/m³) | 13.70 | 62.40 |
| PM10(µg/m³) | 17.10 | 136.40 |
| NO₂(µg/m³) | 16.80 | 19.70 |
| SO₂(µg/m³) | 7.60 | 10.50 |
| O₃(µg/m³) | 36.00 | 66.00 |
| CO(µg/m³) | 425.00 | 503.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Cuddalore averaged an AQI of 52 while Palwal averaged 95 — a 43-point (83%) gap, with Palwal the more polluted and Cuddalore the cleaner of the two. On 287 days when both cities reported, Cuddalore was cleaner on 257 of them; the average daily gap was 47 AQI points.
Seasonality & days
Cuddalore peaks in January, while Palwal peaks in November. Cuddalore logged 0% Severe days and 90.6% Good-or-Satisfactory days; Palwal was 0.2% Severe and 47.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Cuddalore 34 days, Palwal 37 days.
Year-over-year progress
The worst recorded day for Cuddalore reached AQI 329 at Kudikadu (TNPCB) on 2024-04-05; Palwal hit AQI 465 at Shyam Nagar (HSPCB) on 2019-11-14.
Station-level disparity
Cuddalore spans 2 CPCB stations with a 11-point spread (min 46, max 57); Palwal spans 1 stations with a 0-point spread (min 120, max 120).
Verdict
🏆 Cuddalore has better air quality with an AQI of 23 compared to Palwal's 125. That's a significant difference of 102 points.