Asansol vs Rohtak
Side-by-side air quality comparison between Asansol 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 | Asansol | Rohtak |
|---|---|---|
| PM2.5(µg/m³) | 91.00 | 71.00 |
| PM10(µg/m³) | 96.20 | 162.50 |
| NO₂(µg/m³) | 48.00 | 24.10 |
| SO₂(µg/m³) | 91.90 | 15.90 |
| O₃(µg/m³) | 58.00 | 69.00 |
| CO(µg/m³) | 838.00 | 618.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Asansol averaged an AQI of 145 while Rohtak averaged 148 — a 3-point (2%) gap, with Rohtak the more polluted and Asansol the cleaner of the two. On 1846 days when both cities reported, Asansol was cleaner on 1109 of them; the average daily gap was 74 AQI points.
Seasonality & days
Asansol peaks in December, while Rohtak peaks in November. Asansol logged 0% Severe days and 43.3% Good-or-Satisfactory days; Rohtak was 1.1% Severe and 36.599999999999994% Good-or-Satisfactory. Longest clean-air streaks: Asansol 44 days, Rohtak 45 days.
Year-over-year progress
Asansol has worsened by 12 AQI points (9%) from 2018 to 2024; Rohtak has improved by 123 AQI points (45.4%) over the same window. The worst recorded day for Asansol reached AQI 394 at Court Area (WBPCB) on 2022-12-13; Rohtak hit AQI 498 at MD University (HSPCB) on 2019-11-03.
Station-level disparity
Asansol spans 4 CPCB stations with a 40-point spread (min 123, max 163); Rohtak spans 1 stations with a 0-point spread (min 159, max 159).
Verdict
🏆 Rohtak has better air quality with an AQI of 142 compared to Asansol's 204. That's a significant difference of 62 points.