Nagapattinam vs Satna
Side-by-side air quality comparison between Nagapattinam 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 | Nagapattinam | Satna |
|---|---|---|
| PM2.5(µg/m³) | 11.10 | 31.40 |
| PM10(µg/m³) | 14.70 | 56.10 |
| NO₂(µg/m³) | 6.50 | 11.30 |
| SO₂(µg/m³) | 4.60 | 8.30 |
| O₃(µg/m³) | 51.00 | 82.00 |
| CO(µg/m³) | 215.00 | 220.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Nagapattinam averaged an AQI of 60 while Satna averaged 66 — a 6-point (10%) gap, with Satna the more polluted and Nagapattinam the cleaner of the two. On 46 days when both cities reported, Nagapattinam was cleaner on 31 of them; the average daily gap was 20 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Nagapattinam logged 0% Severe days and 91.5% Good-or-Satisfactory days; Satna was 0.2% Severe and 74.1% Good-or-Satisfactory. Longest clean-air streaks: Nagapattinam 8 days, Satna 146 days.
Year-over-year progress
The worst recorded day for Nagapattinam reached AQI 113 at Velippalayam (TNPCB) on 2024-12-16; Satna hit AQI 500 at Bandhavgar Colony Satna (Cement) on 2018-05-27.
Station-level disparity
Nagapattinam spans 1 CPCB stations with a 0-point spread (min 60, max 60); Satna spans 1 stations with a 0-point spread (min 85, max 85).
Verdict
🏆 Nagapattinam has better air quality with an AQI of 19 compared to Satna's 57.