Hajipur vs Ulhasnagar
Side-by-side air quality comparison between Hajipur and Ulhasnagar.
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 | Ulhasnagar |
|---|---|---|
| PM2.5(µg/m³) | 97.80 | 23.70 |
| PM10(µg/m³) | 109.40 | 40.90 |
| NO₂(µg/m³) | 40.50 | 20.60 |
| SO₂(µg/m³) | 18.90 | 23.00 |
| O₃(µg/m³) | 52.00 | 23.00 |
| CO(µg/m³) | 725.00 | 215.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hajipur averaged an AQI of 173 while Ulhasnagar averaged 117 — a 56-point (48%) gap, with Hajipur the more polluted and Ulhasnagar the cleaner of the two. On 486 days when both cities reported, Ulhasnagar was cleaner on 348 of them; the average daily gap was 65 AQI points.
Seasonality & days
Hajipur peaks in December, while Ulhasnagar peaks in January. Hajipur logged 0.3% Severe days and 36.6% Good-or-Satisfactory days; Ulhasnagar was 0% Severe and 46.9% Good-or-Satisfactory. Longest clean-air streaks: Hajipur 36 days, Ulhasnagar 74 days.
Year-over-year progress
Hajipur has worsened by 74 AQI points (74.7%) from 2020 to 2024; Ulhasnagar has improved by 10 AQI points (7.9%) over the same window. The worst recorded day for Hajipur reached AQI 427 at Industrial Area (BSPCB) on 2024-11-12; Ulhasnagar hit AQI 319 at Sidhi Vinayak Nagar (MPCB) on 2023-11-13.
Station-level disparity
Hajipur spans 1 CPCB stations with a 0-point spread (min 149, max 149); Ulhasnagar spans 1 stations with a 0-point spread (min 120, max 120).
Verdict
🏆 Ulhasnagar has better air quality with an AQI of 41 compared to Hajipur's 227. That's a significant difference of 186 points.