Tirunelveli vs Visakhapatnam
Side-by-side air quality comparison between Tirunelveli 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 | Tirunelveli | Visakhapatnam |
|---|---|---|
| PM2.5(µg/m³) | 4.40 | 32.20 |
| PM10(µg/m³) | 5.20 | 37.10 |
| NO₂(µg/m³) | 5.50 | 24.00 |
| SO₂(µg/m³) | 1.80 | 44.60 |
| O₃(µg/m³) | 30.00 | 84.00 |
| CO(µg/m³) | 151.00 | 514.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Tirunelveli averaged an AQI of 30 while Visakhapatnam averaged 110 — a 80-point (267%) gap, with Visakhapatnam the more polluted and Tirunelveli the cleaner of the two. On 111 days when both cities reported, Tirunelveli was cleaner on 109 of them; the average daily gap was 73 AQI points.
Seasonality & days
Tirunelveli peaks in October, while Visakhapatnam peaks in January. Tirunelveli logged 0% Severe days and 100% Good-or-Satisfactory days; Visakhapatnam was 0% Severe and 50.1% Good-or-Satisfactory. Longest clean-air streaks: Tirunelveli 31 days, Visakhapatnam 27 days.
Year-over-year progress
The worst recorded day for Tirunelveli reached AQI 42 at Municipal Corporation Office (TNPCB) on 2024-10-30; Visakhapatnam hit AQI 341 at GVM Corporation (APPCB) on 2019-01-14.
Station-level disparity
Tirunelveli spans 1 CPCB stations with a 0-point spread (min 30, max 30); Visakhapatnam spans 1 stations with a 0-point spread (min 111, max 111).
Verdict
🏆 Tirunelveli has better air quality with an AQI of 7 compared to Visakhapatnam's 55.