Thanjavur vs Tiruchirappalli
Side-by-side air quality comparison between Thanjavur and Tiruchirappalli.
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
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Thanjavur averaged an AQI of 42 while Tiruchirappalli averaged 50 — a 8-point (19%) gap, with Tiruchirappalli the more polluted and Thanjavur the cleaner of the two. On 53 days when both cities reported, Thanjavur was cleaner on 30 of them; the average daily gap was 22 AQI points.
Seasonality & days
Thanjavur peaks in November, while Tiruchirappalli peaks in January. Thanjavur logged 0% Severe days and 98.60000000000001% Good-or-Satisfactory days; Tiruchirappalli was 0% Severe and 96.5% Good-or-Satisfactory. Longest clean-air streaks: Thanjavur 21 days, Tiruchirappalli 46 days.
Year-over-year progress
The worst recorded day for Thanjavur reached AQI 140 at Parisutham Nagar (TNPCB) on 2024-11-01; Tiruchirappalli hit AQI 114 at St Joseph College (TNPCB) on 2024-01-14.
Station-level disparity
Thanjavur spans 1 CPCB stations with a 0-point spread (min 42, max 42); Tiruchirappalli spans 1 stations with a 0-point spread (min 52, max 52).