Patna vs Rohtak
Side-by-side air quality comparison between Patna 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
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Patna averaged an AQI of 172 while Rohtak averaged 148 — a 24-point (16%) gap, with Patna the more polluted and Rohtak the cleaner of the two. On 2363 days when both cities reported, Rohtak was cleaner on 1839 of them; the average daily gap was 97 AQI points.
Seasonality & days
Patna peaks in December, while Rohtak peaks in November. Patna logged 7.5% Severe days and 19.400000000000002% Good-or-Satisfactory days; Rohtak was 1.1% Severe and 36.599999999999994% Good-or-Satisfactory. Longest clean-air streaks: Patna 30 days, Rohtak 45 days.
Year-over-year progress
Patna has improved by 40 AQI points (18.9%) from 2016 to 2024; Rohtak has improved by 123 AQI points (45.4%) over the same window. The worst recorded day for Patna reached AQI 491 at IGSC Planetarium Complex (BSPCB) on 2016-01-01; Rohtak hit AQI 498 at MD University (HSPCB) on 2019-11-03.
Station-level disparity
Patna spans 6 CPCB stations with a 39-point spread (min 154, max 193); Rohtak spans 1 stations with a 0-point spread (min 159, max 159).