Dehradun vs Rohtak
Side-by-side air quality comparison between Dehradun and Rohtak.
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 | Dehradun | Rohtak |
|---|---|---|
| PM2.5(µg/m³) | 9.10 | 76.10 |
| PM10(µg/m³) | 9.40 | 239.30 |
| NO₂(µg/m³) | 12.80 | 18.20 |
| SO₂(µg/m³) | 5.20 | 14.40 |
| O₃(µg/m³) | 122.00 | 94.00 |
| CO(µg/m³) | 317.00 | 554.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dehradun averaged an AQI of 106 while Rohtak averaged 148 — a 42-point (40%) gap, with Rohtak the more polluted and Dehradun the cleaner of the two. On 744 days when both cities reported, Dehradun was cleaner on 520 of them; the average daily gap was 67 AQI points.
Seasonality & days
Dehradun peaks in January, while Rohtak peaks in November. Dehradun logged 0% Severe days and 62.8% Good-or-Satisfactory days; Rohtak was 1.1% Severe and 36.599999999999994% Good-or-Satisfactory. Longest clean-air streaks: Dehradun 41 days, Rohtak 45 days.
Year-over-year progress
Dehradun has worsened by 19 AQI points (21.8%) from 2022 to 2024; Rohtak has improved by 123 AQI points (45.4%) over the same window. The worst recorded day for Dehradun reached AQI 327 at Doon University (UKPCB) on 2024-01-19; Rohtak hit AQI 498 at MD University (HSPCB) on 2019-11-03.
Station-level disparity
Dehradun spans 1 CPCB stations with a 0-point spread (min 98, max 98); Rohtak spans 1 stations with a 0-point spread (min 159, max 159).
Verdict
🏆 Dehradun has better air quality with an AQI of 15 compared to Rohtak's 193. That's a significant difference of 178 points.