Puducherry vs Thanjavur
Side-by-side air quality comparison between Puducherry 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
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Puducherry averaged an AQI of 55 while Thanjavur averaged 42 — a 13-point (31%) gap, with Puducherry the more polluted and Thanjavur the cleaner of the two. On 67 days when both cities reported, Thanjavur was cleaner on 52 of them; the average daily gap was 25 AQI points.
Seasonality & days
Puducherry peaks in December, while Thanjavur peaks in November. Puducherry logged 0% Severe days and 95.4% Good-or-Satisfactory days; Thanjavur was 0% Severe and 98.60000000000001% Good-or-Satisfactory. Longest clean-air streaks: Puducherry 117 days, Thanjavur 21 days.
Year-over-year progress
The worst recorded day for Puducherry reached AQI 274 at Jawahar Nagar (PPCC) on 2022-10-25; Thanjavur hit AQI 140 at Parisutham Nagar (TNPCB) on 2024-11-01.
Station-level disparity
Puducherry spans 1 CPCB stations with a 0-point spread (min 56, max 56); Thanjavur spans 1 stations with a 0-point spread (min 42, max 42).