Hajipur vs Ramanathapuram
Side-by-side air quality comparison between Hajipur 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 | Hajipur | Ramanathapuram |
|---|---|---|
| PM2.5(µg/m³) | 99.00 | 5.80 |
| PM10(µg/m³) | 111.80 | 8.80 |
| NO₂(µg/m³) | 49.30 | 4.80 |
| SO₂(µg/m³) | 18.10 | 4.10 |
| O₃(µg/m³) | 19.00 | 31.00 |
| CO(µg/m³) | 784.00 | 141.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hajipur averaged an AQI of 173 while Ramanathapuram averaged 42 — a 131-point (312%) gap, with Hajipur the more polluted and Ramanathapuram the cleaner of the two. On 698 days when both cities reported, Ramanathapuram was cleaner on 649 of them; the average daily gap was 127 AQI points.
Seasonality & days
Hajipur peaks in December, while Ramanathapuram peaks in January. Hajipur logged 0.3% Severe days and 36.6% Good-or-Satisfactory days; Ramanathapuram was 0% Severe and 94.4% Good-or-Satisfactory. Longest clean-air streaks: Hajipur 36 days, Ramanathapuram 46 days.
Year-over-year progress
Hajipur has worsened by 74 AQI points (74.7%) from 2020 to 2024; Ramanathapuram has improved by 18 AQI points (30%) over the same window. The worst recorded day for Hajipur reached AQI 427 at Industrial Area (BSPCB) on 2024-11-12; Ramanathapuram hit AQI 246 at Chalai Bazaar (TNPCB) on 2022-12-07.
Station-level disparity
Hajipur spans 1 CPCB stations with a 0-point spread (min 149, max 149); 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 Hajipur's 231. That's a significant difference of 221 points.