Nagapattinam vs Visakhapatnam
Side-by-side air quality comparison between Nagapattinam and Visakhapatnam.
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 | Visakhapatnam |
|---|---|---|
| PM2.5(µg/m³) | 12.00 | 30.70 |
| PM10(µg/m³) | 15.60 | 36.10 |
| NO₂(µg/m³) | 10.70 | 24.00 |
| SO₂(µg/m³) | 3.80 | 40.50 |
| O₃(µg/m³) | 35.00 | 78.00 |
| CO(µg/m³) | 206.00 | 501.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Nagapattinam averaged an AQI of 60 while Visakhapatnam averaged 110 — a 50-point (83%) gap, with Visakhapatnam the more polluted and Nagapattinam the cleaner of the two. On 45 days when both cities reported, Nagapattinam was cleaner on 37 of them; the average daily gap was 54 AQI points.
Seasonality & days
Nagapattinam peaks in November, while Visakhapatnam peaks in January. Nagapattinam logged 0% Severe days and 91.5% Good-or-Satisfactory days; Visakhapatnam was 0% Severe and 50.1% Good-or-Satisfactory. Longest clean-air streaks: Nagapattinam 8 days, Visakhapatnam 27 days.
Year-over-year progress
The worst recorded day for Nagapattinam reached AQI 113 at Velippalayam (TNPCB) on 2024-12-16; Visakhapatnam hit AQI 341 at GVM Corporation (APPCB) on 2019-01-14.
Station-level disparity
Nagapattinam spans 1 CPCB stations with a 0-point spread (min 60, max 60); Visakhapatnam spans 1 stations with a 0-point spread (min 111, max 111).
Verdict
🏆 Nagapattinam has better air quality with an AQI of 20 compared to Visakhapatnam's 52.