Thanjavur vs Thrissur
Side-by-side air quality comparison between Thanjavur and Thrissur.
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 | Thanjavur | Thrissur |
|---|---|---|
| PM2.5(µg/m³) | 12.00 | 8.60 |
| PM10(µg/m³) | 13.70 | 10.10 |
| NO₂(µg/m³) | 9.70 | 9.80 |
| SO₂(µg/m³) | 3.90 | 3.30 |
| O₃(µg/m³) | 38.00 | 29.00 |
| CO(µg/m³) | 163.00 | 163.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Thanjavur averaged an AQI of 42 while Thrissur averaged 57 — a 15-point (36%) gap, with Thrissur the more polluted and Thanjavur the cleaner of the two. On 64 days when both cities reported, Thanjavur was cleaner on 45 of them; the average daily gap was 10 AQI points.
Seasonality & days
Thanjavur peaks in November, while Thrissur peaks in February. Thanjavur logged 0% Severe days and 98.60000000000001% Good-or-Satisfactory days; Thrissur was 0% Severe and 88.4% Good-or-Satisfactory. Longest clean-air streaks: Thanjavur 21 days, Thrissur 52 days.
Year-over-year progress
The worst recorded day for Thanjavur reached AQI 140 at Parisutham Nagar (TNPCB) on 2024-11-01; Thrissur hit AQI 181 at Corporation Ground Thrissur (PCB) on 2023-01-09.
Station-level disparity
Thanjavur spans 1 CPCB stations with a 0-point spread (min 42, max 42); Thrissur spans 1 stations with a 0-point spread (min 68, max 68).
Verdict
🏆 Thrissur has better air quality with an AQI of 14 compared to Thanjavur's 20.