Hapur vs Ulhasnagar
Side-by-side air quality comparison between Hapur 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 | Hapur | Ulhasnagar |
|---|---|---|
| PM2.5(µg/m³) | 71.90 | 22.10 |
| PM10(µg/m³) | 97.30 | 40.40 |
| NO₂(µg/m³) | 36.60 | 23.10 |
| SO₂(µg/m³) | 11.50 | 21.70 |
| O₃(µg/m³) | 36.00 | 19.00 |
| CO(µg/m³) | 589.00 | 208.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hapur averaged an AQI of 142 while Ulhasnagar averaged 117 — a 25-point (21%) gap, with Hapur the more polluted and Ulhasnagar the cleaner of the two. On 481 days when both cities reported, Ulhasnagar was cleaner on 280 of them; the average daily gap was 56 AQI points.
Seasonality & days
Hapur peaks in November, while Ulhasnagar peaks in January. Hapur logged 1.9% Severe days and 36.2% Good-or-Satisfactory days; Ulhasnagar was 0% Severe and 46.9% Good-or-Satisfactory. Longest clean-air streaks: Hapur 55 days, Ulhasnagar 74 days.
Year-over-year progress
Hapur has improved by 197 AQI points (58.1%) from 2018 to 2024; Ulhasnagar has improved by 10 AQI points (7.9%) over the same window. The worst recorded day for Hapur reached AQI 477 at Anand Vihar (UPPCB) on 2019-10-31; Ulhasnagar hit AQI 319 at Sidhi Vinayak Nagar (MPCB) on 2023-11-13.
Station-level disparity
Hapur spans 1 CPCB stations with a 0-point spread (min 159, max 159); Ulhasnagar spans 1 stations with a 0-point spread (min 120, max 120).
Verdict
🏆 Ulhasnagar has better air quality with an AQI of 40 compared to Hapur's 140. That's a significant difference of 100 points.