Motihari vs Ramanathapuram
Side-by-side air quality comparison between Motihari 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 | Motihari | Ramanathapuram |
|---|---|---|
| PM2.5(µg/m³) | 156.00 | 5.80 |
| PM10(µg/m³) | 175.10 | 8.80 |
| NO₂(µg/m³) | 76.90 | 4.80 |
| SO₂(µg/m³) | 22.40 | 4.10 |
| O₃(µg/m³) | 0.00 | 31.00 |
| CO(µg/m³) | 1456.00 | 141.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Motihari averaged an AQI of 116 while Ramanathapuram averaged 42 — a 74-point (176%) gap, with Motihari the more polluted and Ramanathapuram the cleaner of the two. On 597 days when both cities reported, Ramanathapuram was cleaner on 553 of them; the average daily gap was 107 AQI points.
Seasonality & days
Motihari peaks in November, while Ramanathapuram peaks in January. Motihari logged 1.2% Severe days and 39.1% Good-or-Satisfactory days; Ramanathapuram was 0% Severe and 94.4% Good-or-Satisfactory. Longest clean-air streaks: Motihari 26 days, Ramanathapuram 46 days.
Year-over-year progress
Motihari has improved by 106 AQI points (47.7%) from 2021 to 2024; Ramanathapuram has improved by 18 AQI points (30%) over the same window. The worst recorded day for Motihari reached AQI 448 at Gandak Colony (BSPCB) on 2022-11-17; Ramanathapuram hit AQI 246 at Chalai Bazaar (TNPCB) on 2022-12-07.
Station-level disparity
Motihari spans 1 CPCB stations with a 0-point spread (min 153, max 153); Ramanathapuram spans 1 stations with a 0-point spread (min 48, max 48).
Verdict
🏆 Ramanathapuram has better air quality with an AQI of 10 compared to Motihari's 328. That's a significant difference of 318 points.