Rohtak vs Sasaram
Side-by-side air quality comparison between Rohtak and Sasaram.
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 | Sasaram |
|---|---|---|
| PM2.5(µg/m³) | 75.20 | 85.70 |
| PM10(µg/m³) | 166.70 | 96.90 |
| NO₂(µg/m³) | 37.30 | 33.60 |
| SO₂(µg/m³) | 17.50 | 12.90 |
| O₃(µg/m³) | 42.00 | 52.00 |
| CO(µg/m³) | 658.00 | 638.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Rohtak averaged an AQI of 148 while Sasaram averaged 109 — a 39-point (36%) gap, with Rohtak the more polluted and Sasaram the cleaner of the two. On 874 days when both cities reported, Sasaram was cleaner on 506 of them; the average daily gap was 75 AQI points.
Seasonality & days
Rohtak peaks in November, while Sasaram peaks in January. Rohtak logged 1.1% Severe days and 36.599999999999994% Good-or-Satisfactory days; Sasaram was 0.1% Severe and 37% Good-or-Satisfactory. Longest clean-air streaks: Rohtak 45 days, Sasaram 27 days.
Year-over-year progress
Rohtak has improved by 123 AQI points (45.4%) from 2017 to 2024; Sasaram has improved by 166 AQI points (60.4%) over the same window. The worst recorded day for Rohtak reached AQI 498 at MD University (HSPCB) on 2019-11-03; Sasaram hit AQI 401 at Dada Peer (BSPCB) on 2021-11-28.
Station-level disparity
Rohtak spans 1 CPCB stations with a 0-point spread (min 159, max 159); Sasaram spans 1 stations with a 0-point spread (min 148, max 148).
Verdict
🏆 Rohtak has better air quality with an AQI of 151 compared to Sasaram's 186.