Rohtak vs Thanjavur
Side-by-side air quality comparison between Rohtak and Thanjavur.
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 | Thanjavur |
|---|---|---|
| PM2.5(µg/m³) | 75.20 | 11.30 |
| PM10(µg/m³) | 166.70 | 13.50 |
| NO₂(µg/m³) | 37.30 | 11.10 |
| SO₂(µg/m³) | 17.50 | 3.80 |
| O₃(µg/m³) | 42.00 | 34.00 |
| CO(µg/m³) | 658.00 | 157.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Rohtak averaged an AQI of 148 while Thanjavur averaged 42 — a 106-point (252%) gap, with Rohtak the more polluted and Thanjavur the cleaner of the two. On 69 days when both cities reported, Thanjavur was cleaner on 69 of them; the average daily gap was 168 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Rohtak logged 1.1% Severe days and 36.599999999999994% Good-or-Satisfactory days; Thanjavur was 0% Severe and 98.60000000000001% Good-or-Satisfactory. Longest clean-air streaks: Rohtak 45 days, Thanjavur 21 days.
Year-over-year progress
The worst recorded day for Rohtak reached AQI 498 at MD University (HSPCB) on 2019-11-03; Thanjavur hit AQI 140 at Parisutham Nagar (TNPCB) on 2024-11-01.
Station-level disparity
Rohtak spans 1 CPCB stations with a 0-point spread (min 159, max 159); Thanjavur spans 1 stations with a 0-point spread (min 42, max 42).
Verdict
🏆 Thanjavur has better air quality with an AQI of 19 compared to Rohtak's 151. That's a significant difference of 132 points.