Ramanathapuram vs Tonk
Side-by-side air quality comparison between Ramanathapuram and Tonk.
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 | Tonk |
|---|---|---|
| PM2.5(µg/m³) | 5.60 | 27.80 |
| PM10(µg/m³) | 8.30 | 53.10 |
| NO₂(µg/m³) | 4.20 | 9.00 |
| SO₂(µg/m³) | 4.00 | 4.10 |
| O₃(µg/m³) | 31.00 | 47.00 |
| CO(µg/m³) | 143.00 | 206.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ramanathapuram averaged an AQI of 42 while Tonk averaged 142 — a 100-point (238%) gap, with Tonk the more polluted and Ramanathapuram the cleaner of the two. On 459 days when both cities reported, Ramanathapuram was cleaner on 451 of them; the average daily gap was 109 AQI points.
Seasonality & days
Ramanathapuram peaks in January, while Tonk peaks in November. Ramanathapuram logged 0% Severe days and 94.4% Good-or-Satisfactory days; Tonk was 0% Severe and 28.200000000000003% Good-or-Satisfactory. Longest clean-air streaks: Ramanathapuram 46 days, Tonk 11 days.
Year-over-year progress
Ramanathapuram has improved by 18 AQI points (30%) from 2022 to 2024; Tonk has improved by 14 AQI points (9%) over the same window. The worst recorded day for Ramanathapuram reached AQI 246 at Chalai Bazaar (TNPCB) on 2022-12-07; Tonk hit AQI 368 at Shastri Nagar (RSPCB) on 2023-11-17.
Station-level disparity
Ramanathapuram spans 1 CPCB stations with a 0-point spread (min 48, max 48); Tonk spans 1 stations with a 0-point spread (min 148, max 148).
Verdict
🏆 Ramanathapuram has better air quality with an AQI of 9 compared to Tonk's 54.