Rohtak vs Ulhasnagar
Side-by-side air quality comparison between Rohtak 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 | Rohtak | Ulhasnagar |
|---|---|---|
| PM2.5(µg/m³) | 71.00 | 23.70 |
| PM10(µg/m³) | 162.50 | 40.90 |
| NO₂(µg/m³) | 24.10 | 20.60 |
| SO₂(µg/m³) | 15.90 | 23.00 |
| O₃(µg/m³) | 69.00 | 23.00 |
| CO(µg/m³) | 618.00 | 215.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Rohtak averaged an AQI of 148 while Ulhasnagar averaged 117 — a 31-point (26%) gap, with Rohtak the more polluted and Ulhasnagar the cleaner of the two. On 490 days when both cities reported, Ulhasnagar was cleaner on 301 of them; the average daily gap was 64 AQI points.
Seasonality & days
Rohtak peaks in November, while Ulhasnagar peaks in January. Rohtak logged 1.1% Severe days and 36.599999999999994% Good-or-Satisfactory days; Ulhasnagar was 0% Severe and 46.9% Good-or-Satisfactory. Longest clean-air streaks: Rohtak 45 days, Ulhasnagar 74 days.
Year-over-year progress
Rohtak has improved by 123 AQI points (45.4%) from 2017 to 2024; Ulhasnagar has improved by 10 AQI points (7.9%) over the same window. The worst recorded day for Rohtak reached AQI 498 at MD University (HSPCB) on 2019-11-03; Ulhasnagar hit AQI 319 at Sidhi Vinayak Nagar (MPCB) on 2023-11-13.
Station-level disparity
Rohtak 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 41 compared to Rohtak's 142. That's a significant difference of 101 points.