Rohtak vs Thiruvananthapuram
Side-by-side air quality comparison between Rohtak and Thiruvananthapuram.
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 | Rohtak | Thiruvananthapuram |
|---|---|---|
| PM2.5(µg/m³) | 71.00 | 5.30 |
| PM10(µg/m³) | 162.50 | 9.50 |
| NO₂(µg/m³) | 24.10 | 1.50 |
| SO₂(µg/m³) | 15.90 | 0.40 |
| O₃(µg/m³) | 69.00 | 38.00 |
| CO(µg/m³) | 618.00 | 102.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Rohtak averaged an AQI of 148 while Thiruvananthapuram averaged 56 — a 92-point (164%) gap, with Rohtak the more polluted and Thiruvananthapuram the cleaner of the two. On 2062 days when both cities reported, Thiruvananthapuram was cleaner on 1773 of them; the average daily gap was 102 AQI points.
Seasonality & days
Rohtak peaks in November, while Thiruvananthapuram peaks in January. Rohtak logged 1.1% Severe days and 36.599999999999994% Good-or-Satisfactory days; Thiruvananthapuram was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Rohtak 45 days, Thiruvananthapuram 172 days.
Year-over-year progress
Rohtak has improved by 123 AQI points (45.4%) from 2017 to 2024; Thiruvananthapuram has improved by 11 AQI points (16.4%) over the same window. The worst recorded day for Rohtak reached AQI 498 at MD University (HSPCB) on 2019-11-03; Thiruvananthapuram hit AQI 387 at Plammoodu Thiruvananthapuram (PCB) on 2021-08-30.
Station-level disparity
Rohtak spans 1 CPCB stations with a 0-point spread (min 159, max 159); Thiruvananthapuram spans 2 stations with a 7-point spread (min 57, max 64).
Verdict
🏆 Thiruvananthapuram has better air quality with an AQI of 10 compared to Rohtak's 142. That's a significant difference of 132 points.