Vellore vs Visakhapatnam
Side-by-side air quality comparison between Vellore 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 | Vellore | Visakhapatnam |
|---|---|---|
| PM2.5(µg/m³) | 6.20 | 31.80 |
| PM10(µg/m³) | 10.60 | 37.10 |
| NO₂(µg/m³) | 1.00 | 5.20 |
| SO₂(µg/m³) | 1.90 | 27.60 |
| O₃(µg/m³) | 100.00 | 182.00 |
| CO(µg/m³) | 152.00 | 367.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Vellore averaged an AQI of 61 while Visakhapatnam averaged 110 — a 49-point (80%) gap, with Visakhapatnam the more polluted and Vellore the cleaner of the two. On 283 days when both cities reported, Vellore was cleaner on 259 of them; the average daily gap was 56 AQI points.
Seasonality & days
Vellore peaks in December, while Visakhapatnam peaks in January. Vellore logged 0% Severe days and 83.5% Good-or-Satisfactory days; Visakhapatnam was 0% Severe and 50.1% Good-or-Satisfactory. Longest clean-air streaks: Vellore 23 days, Visakhapatnam 27 days.
Year-over-year progress
Vellore has improved by 10 AQI points (14.1%) from 2022 to 2024; Visakhapatnam has worsened by 15 AQI points (15.8%) over the same window. The worst recorded day for Vellore reached AQI 245 at Vasanthapuram (TNPCB) on 2024-01-14; Visakhapatnam hit AQI 341 at GVM Corporation (APPCB) on 2019-01-14.
Station-level disparity
Vellore spans 1 CPCB stations with a 0-point spread (min 70, max 70); Visakhapatnam spans 1 stations with a 0-point spread (min 111, max 111).
Verdict
🏆 Vellore has better air quality with an AQI of 11 compared to Visakhapatnam's 54.