Hyderabad vs Ramanathapuram
Side-by-side air quality comparison between Hyderabad and Ramanathapuram.
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 | Hyderabad | Ramanathapuram |
|---|---|---|
| PM2.5(µg/m³) | 20.50 | 5.60 |
| PM10(µg/m³) | 27.90 | 8.30 |
| NO₂(µg/m³) | 10.40 | 4.20 |
| SO₂(µg/m³) | 5.30 | 4.00 |
| O₃(µg/m³) | 63.00 | 31.00 |
| CO(µg/m³) | 281.00 | 143.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hyderabad averaged an AQI of 78 while Ramanathapuram averaged 42 — a 36-point (86%) gap, with Hyderabad the more polluted and Ramanathapuram the cleaner of the two. On 409 days when both cities reported, Ramanathapuram was cleaner on 394 of them; the average daily gap was 90 AQI points.
Seasonality & days
Hyderabad peaks in December, while Ramanathapuram peaks in January. Hyderabad logged 0.2% Severe days and 41.6% Good-or-Satisfactory days; Ramanathapuram was 0% Severe and 94.4% Good-or-Satisfactory. Longest clean-air streaks: Hyderabad 71 days, Ramanathapuram 46 days.
Year-over-year progress
Hyderabad has improved by 24 AQI points (23.5%) from 2016 to 2024; Ramanathapuram has improved by 18 AQI points (30%) over the same window. The worst recorded day for Hyderabad reached AQI 500 at Sanathnagar (TSPCB) on 2024-04-28; Ramanathapuram hit AQI 246 at Chalai Bazaar (TNPCB) on 2022-12-07.
Station-level disparity
Hyderabad spans 14 CPCB stations with a 35-point spread (min 62, max 97); Ramanathapuram spans 1 stations with a 0-point spread (min 48, max 48).
Verdict
🏆 Ramanathapuram has better air quality with an AQI of 9 compared to Hyderabad's 34.