Cuddalore vs Fatehābād
Side-by-side air quality comparison between Cuddalore and Fatehābād.
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 | Fatehābād |
|---|---|---|
| PM2.5(µg/m³) | 15.00 | 79.90 |
| PM10(µg/m³) | 18.20 | 217.00 |
| NO₂(µg/m³) | 15.90 | 25.60 |
| SO₂(µg/m³) | 10.00 | 7.90 |
| O₃(µg/m³) | 39.00 | 51.00 |
| CO(µg/m³) | 353.00 | 415.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Cuddalore averaged an AQI of 52 while Fatehābād averaged 116 — a 64-point (123%) gap, with Fatehābād the more polluted and Cuddalore the cleaner of the two. On 254 days when both cities reported, Cuddalore was cleaner on 227 of them; the average daily gap was 66 AQI points.
Seasonality & days
Cuddalore peaks in January, while Fatehābād peaks in November. Cuddalore logged 0% Severe days and 90.6% Good-or-Satisfactory days; Fatehābād was 1.5% Severe and 31.1% Good-or-Satisfactory. Longest clean-air streaks: Cuddalore 34 days, Fatehābād 38 days.
Year-over-year progress
The worst recorded day for Cuddalore reached AQI 329 at Kudikadu (TNPCB) on 2024-04-05; Fatehābād hit AQI 493 at Huda Sector (HSPCB) on 2019-11-02.
Station-level disparity
Cuddalore spans 2 CPCB stations with a 11-point spread (min 46, max 57); Fatehābād spans 1 stations with a 0-point spread (min 151, max 151).
Verdict
🏆 Cuddalore has better air quality with an AQI of 25 compared to Fatehābād's 178. That's a significant difference of 153 points.