Cuddalore vs Satna
Side-by-side air quality comparison between Cuddalore and Satna.
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 | Satna |
|---|---|---|
| PM2.5(µg/m³) | 15.00 | 31.00 |
| PM10(µg/m³) | 18.20 | 47.80 |
| NO₂(µg/m³) | 15.90 | 18.60 |
| SO₂(µg/m³) | 10.00 | 7.00 |
| O₃(µg/m³) | 39.00 | 55.00 |
| CO(µg/m³) | 353.00 | 240.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Cuddalore averaged an AQI of 52 while Satna averaged 66 — a 14-point (27%) gap, with Satna the more polluted and Cuddalore the cleaner of the two. On 306 days when both cities reported, Cuddalore was cleaner on 202 of them; the average daily gap was 28 AQI points.
Seasonality & days
Cuddalore peaks in January, while Satna peaks in November. Cuddalore logged 0% Severe days and 90.6% Good-or-Satisfactory days; Satna was 0.2% Severe and 74.1% Good-or-Satisfactory. Longest clean-air streaks: Cuddalore 34 days, Satna 146 days.
Year-over-year progress
The worst recorded day for Cuddalore reached AQI 329 at Kudikadu (TNPCB) on 2024-04-05; Satna hit AQI 500 at Bandhavgar Colony Satna (Cement) on 2018-05-27.
Station-level disparity
Cuddalore spans 2 CPCB stations with a 11-point spread (min 46, max 57); Satna spans 1 stations with a 0-point spread (min 85, max 85).
Verdict
🏆 Cuddalore has better air quality with an AQI of 25 compared to Satna's 53.