Cuddalore vs Hajipur
Side-by-side air quality comparison between Cuddalore and Hajipur.
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 | Cuddalore | Hajipur |
|---|---|---|
| PM2.5(µg/m³) | 13.30 | 92.90 |
| PM10(µg/m³) | 16.90 | 108.50 |
| NO₂(µg/m³) | 13.00 | 29.40 |
| SO₂(µg/m³) | 16.90 | 20.10 |
| O₃(µg/m³) | 54.00 | 99.00 |
| CO(µg/m³) | 226.00 | 651.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Cuddalore averaged an AQI of 52 while Hajipur averaged 173 — a 121-point (233%) gap, with Hajipur the more polluted and Cuddalore the cleaner of the two. On 306 days when both cities reported, Cuddalore was cleaner on 293 of them; the average daily gap was 110 AQI points.
Seasonality & days
Cuddalore peaks in January, while Hajipur peaks in December. Cuddalore logged 0% Severe days and 90.6% Good-or-Satisfactory days; Hajipur was 0.3% Severe and 36.6% Good-or-Satisfactory. Longest clean-air streaks: Cuddalore 34 days, Hajipur 36 days.
Year-over-year progress
The worst recorded day for Cuddalore reached AQI 329 at Kudikadu (TNPCB) on 2024-04-05; Hajipur hit AQI 427 at Industrial Area (BSPCB) on 2024-11-12.
Station-level disparity
Cuddalore spans 2 CPCB stations with a 11-point spread (min 46, max 57); Hajipur spans 1 stations with a 0-point spread (min 149, max 149).
Verdict
🏆 Cuddalore has better air quality with an AQI of 22 compared to Hajipur's 211. That's a significant difference of 189 points.