Puducherry vs Rohtak
Side-by-side air quality comparison between Puducherry 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 | Puducherry | Rohtak |
|---|---|---|
| PM2.5(µg/m³) | 12.20 | 75.20 |
| PM10(µg/m³) | 14.50 | 166.70 |
| NO₂(µg/m³) | 18.70 | 37.30 |
| SO₂(µg/m³) | 9.00 | 17.50 |
| O₃(µg/m³) | 33.00 | 42.00 |
| CO(µg/m³) | 402.00 | 658.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Puducherry averaged an AQI of 55 while Rohtak averaged 148 — a 93-point (169%) gap, with Rohtak the more polluted and Puducherry the cleaner of the two. On 1284 days when both cities reported, Puducherry was cleaner on 1160 of them; the average daily gap was 105 AQI points.
Seasonality & days
Puducherry peaks in December, while Rohtak peaks in November. Puducherry logged 0% Severe days and 95.4% Good-or-Satisfactory days; Rohtak was 1.1% Severe and 36.599999999999994% Good-or-Satisfactory. Longest clean-air streaks: Puducherry 117 days, Rohtak 45 days.
Year-over-year progress
Puducherry has worsened by 1 AQI points (1.9%) from 2021 to 2024; Rohtak has improved by 123 AQI points (45.4%) over the same window. The worst recorded day for Puducherry reached AQI 274 at Jawahar Nagar (PPCC) on 2022-10-25; Rohtak hit AQI 498 at MD University (HSPCB) on 2019-11-03.
Station-level disparity
Puducherry spans 1 CPCB stations with a 0-point spread (min 56, max 56); Rohtak spans 1 stations with a 0-point spread (min 159, max 159).
Verdict
🏆 Puducherry has better air quality with an AQI of 20 compared to Rohtak's 151. That's a significant difference of 131 points.