Cuddalore vs Kārwār
Side-by-side air quality comparison between Cuddalore and Kārwār.
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 | Kārwār |
|---|---|---|
| PM2.5(µg/m³) | 15.00 | 6.20 |
| PM10(µg/m³) | 18.20 | 15.80 |
| NO₂(µg/m³) | 15.90 | 0.70 |
| SO₂(µg/m³) | 10.00 | 0.40 |
| O₃(µg/m³) | 39.00 | 56.00 |
| CO(µg/m³) | 353.00 | 98.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Cuddalore averaged an AQI of 52 while Kārwār averaged 55 — a 3-point (6%) gap, with Kārwār the more polluted and Cuddalore the cleaner of the two. On 229 days when both cities reported, Kārwār was cleaner on 135 of them; the average daily gap was 26 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Cuddalore logged 0% Severe days and 90.6% Good-or-Satisfactory days; Kārwār was 0% Severe and 92.7% Good-or-Satisfactory. Longest clean-air streaks: Cuddalore 34 days, Kārwār 34 days.
Year-over-year progress
The worst recorded day for Cuddalore reached AQI 329 at Kudikadu (TNPCB) on 2024-04-05; Kārwār hit AQI 222 at KHB Colony (KSPCB) on 2023-12-21.
Station-level disparity
Cuddalore spans 2 CPCB stations with a 11-point spread (min 46, max 57); Kārwār spans 1 stations with a 0-point spread (min 58, max 58).
Verdict
🏆 Kārwār has better air quality with an AQI of 16 compared to Cuddalore's 25.