Cuddalore vs Ranipet
Side-by-side air quality comparison between Cuddalore and Ranipet.
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 | Ranipet |
|---|---|---|
| CO(ppb) | 388.59 | 310.23 |
| NO2(ppb) | 0.04 | 12.91 |
| O3(ppb) | 1.15 | 15.07 |
| PM10(µg/m³) | 47.90 | 57.71 |
| PM2.5(µg/m³) | 9.00 | 27.74 |
| SO2(ppb) | 1.99 | 3.91 |
| NH3(ppb) | 36.30 | 33.16 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Cuddalore averaged an AQI of 52 while Ranipet averaged 75 — a 23-point (44%) gap, with Ranipet the more polluted and Cuddalore the cleaner of the two. On 45 days when both cities reported, Cuddalore was cleaner on 30 of them; the average daily gap was 28 AQI points.
Seasonality & days
Cuddalore peaks in January, while Ranipet peaks in November. Cuddalore logged 0% Severe days and 90.6% Good-or-Satisfactory days; Ranipet was 0% Severe and 67.80000000000001% Good-or-Satisfactory. Longest clean-air streaks: Cuddalore 34 days, Ranipet 10 days.
Year-over-year progress
The worst recorded day for Cuddalore reached AQI 329 at Kudikadu (TNPCB) on 2024-04-05; Ranipet hit AQI 224 at VOC Nagar SIPCOT (TNPCB) on 2024-12-17.
Station-level disparity
Cuddalore spans 2 CPCB stations with a 11-point spread (min 46, max 57); Ranipet spans 1 stations with a 0-point spread (min 75, max 75).
Verdict
🏆 Cuddalore has better air quality with an AQI of 48 compared to Ranipet's 59.