Chandrapur vs Ramanathapuram
Side-by-side air quality comparison between Chandrapur 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 | Chandrapur | Ramanathapuram |
|---|---|---|
| PM2.5(µg/m³) | 22.50 | 5.60 |
| PM10(µg/m³) | 32.50 | 8.30 |
| NO₂(µg/m³) | 9.80 | 4.20 |
| SO₂(µg/m³) | 13.50 | 4.00 |
| O₃(µg/m³) | 87.00 | 31.00 |
| CO(µg/m³) | 183.00 | 143.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2022, Chandrapur averaged an AQI of 123 while Ramanathapuram averaged 42 — a 81-point (193%) gap, with Chandrapur the more polluted and Ramanathapuram the cleaner of the two. On 51 days when both cities reported, Ramanathapuram was cleaner on 44 of them; the average daily gap was 53 AQI points.
Seasonality & days
Chandrapur peaks in March, while Ramanathapuram peaks in January. Chandrapur logged 0.3% Severe days and 58.800000000000004% Good-or-Satisfactory days; Ramanathapuram was 0% Severe and 94.4% Good-or-Satisfactory. Longest clean-air streaks: Chandrapur 37 days, Ramanathapuram 46 days.
Year-over-year progress
Chandrapur has improved by 1 AQI points (0.8%) from 2017 to 2022; Ramanathapuram has improved by 18 AQI points (30%) over the same window. The worst recorded day for Chandrapur reached AQI 500 at MIDC Khutala (MPCB) on 2017-11-14; Ramanathapuram hit AQI 246 at Chalai Bazaar (TNPCB) on 2022-12-07.
Station-level disparity
Chandrapur spans 1 CPCB stations with a 0-point spread (min 100, max 100); 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 Chandrapur's 38.