Rohtak vs Ujjain
Side-by-side air quality comparison between Rohtak and Ujjain.
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 | Ujjain |
|---|---|---|
| PM2.5(µg/m³) | 71.00 | 29.30 |
| PM10(µg/m³) | 162.50 | 46.00 |
| NO₂(µg/m³) | 24.10 | 7.60 |
| SO₂(µg/m³) | 15.90 | 16.00 |
| O₃(µg/m³) | 69.00 | 53.00 |
| CO(µg/m³) | 618.00 | 208.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Rohtak averaged an AQI of 148 while Ujjain averaged 116 — a 32-point (28%) gap, with Rohtak the more polluted and Ujjain the cleaner of the two. On 2286 days when both cities reported, Ujjain was cleaner on 1316 of them; the average daily gap was 66 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Rohtak logged 1.1% Severe days and 36.599999999999994% Good-or-Satisfactory days; Ujjain was 0.1% Severe and 33.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Rohtak 45 days, Ujjain 67 days.
Year-over-year progress
Rohtak has improved by 123 AQI points (45.4%) from 2017 to 2024; Ujjain has improved by 71 AQI points (38%) over the same window. The worst recorded day for Rohtak reached AQI 498 at MD University (HSPCB) on 2019-11-03; Ujjain hit AQI 500 at Mahakaleshwar Temple (MPPCB) on 2023-03-10.
Station-level disparity
Rohtak spans 1 CPCB stations with a 0-point spread (min 159, max 159); Ujjain spans 1 stations with a 0-point spread (min 131, max 131).
Verdict
🏆 Ujjain has better air quality with an AQI of 49 compared to Rohtak's 142. That's a significant difference of 93 points.