Ramanathapuram vs Tirupati
Side-by-side air quality comparison between Ramanathapuram and Tirupati.
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 | Tirupati |
|---|---|---|
| PM2.5(µg/m³) | 5.80 | 10.70 |
| PM10(µg/m³) | 8.80 | 11.80 |
| NO₂(µg/m³) | 4.80 | 11.20 |
| SO₂(µg/m³) | 4.10 | 2.50 |
| O₃(µg/m³) | 31.00 | 53.00 |
| CO(µg/m³) | 141.00 | 159.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ramanathapuram averaged an AQI of 42 while Tirupati averaged 75 — a 33-point (79%) gap, with Tirupati the more polluted and Ramanathapuram the cleaner of the two. On 404 days when both cities reported, Ramanathapuram was cleaner on 304 of them; the average daily gap was 36 AQI points.
Seasonality & days
Ramanathapuram peaks in January, while Tirupati peaks in April. Ramanathapuram logged 0% Severe days and 94.4% Good-or-Satisfactory days; Tirupati was 0% Severe and 84% Good-or-Satisfactory. Longest clean-air streaks: Ramanathapuram 46 days, Tirupati 36 days.
Year-over-year progress
Ramanathapuram has improved by 18 AQI points (30%) from 2022 to 2024; Tirupati has improved by 20 AQI points (21.1%) over the same window. The worst recorded day for Ramanathapuram reached AQI 246 at Chalai Bazaar (TNPCB) on 2022-12-07; Tirupati hit AQI 263 at Vaikuntapuram (APPCB) on 2022-11-16.
Station-level disparity
Ramanathapuram spans 1 CPCB stations with a 0-point spread (min 48, max 48); Tirupati spans 1 stations with a 0-point spread (min 75, max 75).
Verdict
🏆 Ramanathapuram has better air quality with an AQI of 10 compared to Tirupati's 18.