Rohtak vs Siwan
Side-by-side air quality comparison between Rohtak and Siwan.
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 Siwan averaged 148 — a 0-point (0%) gap, with Siwan the more polluted and Rohtak the cleaner of the two. On 767 days when both cities reported, Rohtak was cleaner on 520 of them; the average daily gap was 90 AQI points.
Seasonality & days
Rohtak peaks in November, while Siwan peaks in January. Rohtak logged 1.1% Severe days and 36.599999999999994% Good-or-Satisfactory days; Siwan was 5.2% Severe and 17.7% Good-or-Satisfactory. Longest clean-air streaks: Rohtak 45 days, Siwan 13 days.
Year-over-year progress
Rohtak has improved by 123 AQI points (45.4%) from 2017 to 2024; Siwan has improved by 184 AQI points (55.4%) over the same window. The worst recorded day for Rohtak reached AQI 498 at MD University (HSPCB) on 2019-11-03; Siwan hit AQI 488 at Chitragupta Nagar (BSPCB) on 2022-12-30.
Station-level disparity
Rohtak spans 1 CPCB stations with a 0-point spread (min 159, max 159); Siwan spans 1 stations with a 0-point spread (min 197, max 197).