Rohtak vs Samastipur
Side-by-side air quality comparison between Rohtak and Samastipur.
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
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Rohtak averaged an AQI of 148 while Samastipur averaged 134 — a 14-point (10%) gap, with Rohtak the more polluted and Samastipur the cleaner of the two. On 729 days when both cities reported, Rohtak was cleaner on 462 of them; the average daily gap was 89 AQI points.
Seasonality & days
Rohtak peaks in November, while Samastipur peaks in January. Rohtak logged 1.1% Severe days and 36.599999999999994% Good-or-Satisfactory days; Samastipur was 1.4% Severe and 23.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Rohtak 45 days, Samastipur 9 days.
Year-over-year progress
Rohtak has improved by 123 AQI points (45.4%) from 2017 to 2024; Samastipur has improved by 84 AQI points (38.5%) over the same window. The worst recorded day for Rohtak reached AQI 498 at MD University (HSPCB) on 2019-11-03; Samastipur hit AQI 459 at DM Office Kasipur (BSPCB) on 2023-01-01.
Station-level disparity
Rohtak spans 1 CPCB stations with a 0-point spread (min 159, max 159); Samastipur spans 1 stations with a 0-point spread (min 177, max 177).