Guwahati vs Rohtak
Side-by-side air quality comparison between Guwahati 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 | Guwahati | Rohtak |
|---|---|---|
| PM2.5(µg/m³) | 31.90 | 71.00 |
| PM10(µg/m³) | 36.00 | 162.50 |
| NO₂(µg/m³) | 5.40 | 24.10 |
| SO₂(µg/m³) | 4.20 | 15.90 |
| O₃(µg/m³) | 97.00 | 69.00 |
| CO(µg/m³) | 393.00 | 618.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Guwahati averaged an AQI of 123 while Rohtak averaged 148 — a 25-point (20%) gap, with Rohtak the more polluted and Guwahati the cleaner of the two. On 1989 days when both cities reported, Guwahati was cleaner on 1158 of them; the average daily gap was 86 AQI points.
Seasonality & days
Guwahati peaks in January, while Rohtak peaks in November. Guwahati logged 0.1% Severe days and 44.9% Good-or-Satisfactory days; Rohtak was 1.1% Severe and 36.599999999999994% Good-or-Satisfactory. Longest clean-air streaks: Guwahati 105 days, Rohtak 45 days.
Year-over-year progress
Guwahati has worsened by 14 AQI points (12.8%) from 2019 to 2024; Rohtak has improved by 123 AQI points (45.4%) over the same window. The worst recorded day for Guwahati reached AQI 420 at Railway Colony (PCBA) on 2023-01-15; Rohtak hit AQI 498 at MD University (HSPCB) on 2019-11-03.
Station-level disparity
Guwahati spans 4 CPCB stations with a 26-point spread (min 118, max 144); Rohtak spans 1 stations with a 0-point spread (min 159, max 159).
Verdict
🏆 Guwahati has better air quality with an AQI of 54 compared to Rohtak's 142. That's a significant difference of 88 points.