Ramanathapuram vs Visakhapatnam
Side-by-side air quality comparison between Ramanathapuram 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 | Ramanathapuram | Visakhapatnam |
|---|---|---|
| PM2.5(µg/m³) | 5.80 | 30.70 |
| PM10(µg/m³) | 8.80 | 36.10 |
| NO₂(µg/m³) | 4.80 | 24.00 |
| SO₂(µg/m³) | 4.10 | 40.50 |
| O₃(µg/m³) | 31.00 | 78.00 |
| CO(µg/m³) | 141.00 | 501.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ramanathapuram averaged an AQI of 42 while Visakhapatnam averaged 110 — a 68-point (162%) gap, with Visakhapatnam the more polluted and Ramanathapuram the cleaner of the two. On 672 days when both cities reported, Ramanathapuram was cleaner on 635 of them; the average daily gap was 76 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Ramanathapuram logged 0% Severe days and 94.4% Good-or-Satisfactory days; Visakhapatnam was 0% Severe and 50.1% Good-or-Satisfactory. Longest clean-air streaks: Ramanathapuram 46 days, Visakhapatnam 27 days.
Year-over-year progress
Ramanathapuram has improved by 18 AQI points (30%) from 2022 to 2024; Visakhapatnam has worsened by 15 AQI points (15.8%) over the same window. The worst recorded day for Ramanathapuram reached AQI 246 at Chalai Bazaar (TNPCB) on 2022-12-07; Visakhapatnam hit AQI 341 at GVM Corporation (APPCB) on 2019-01-14.
Station-level disparity
Ramanathapuram spans 1 CPCB stations with a 0-point spread (min 48, max 48); Visakhapatnam spans 1 stations with a 0-point spread (min 111, max 111).
Verdict
🏆 Ramanathapuram has better air quality with an AQI of 10 compared to Visakhapatnam's 52.