Shillong vs Thanjavur
Side-by-side air quality comparison between Shillong 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, Shillong averaged an AQI of 75 while Thanjavur averaged 42 — a 33-point (79%) gap, with Shillong the more polluted and Thanjavur the cleaner of the two. On 18 days when both cities reported, Shillong was cleaner on 10 of them; the average daily gap was 14 AQI points.
Seasonality & days
Shillong peaks in February, while Thanjavur peaks in November. Shillong logged 0% Severe days and 92% Good-or-Satisfactory days; Thanjavur was 0% Severe and 98.60000000000001% Good-or-Satisfactory. Longest clean-air streaks: Shillong 113 days, Thanjavur 21 days.
Year-over-year progress
The worst recorded day for Shillong reached AQI 212 at Lumpyngngad Shillong (PCB) on 2024-02-19; Thanjavur hit AQI 140 at Parisutham Nagar (TNPCB) on 2024-11-01.
Station-level disparity
Shillong spans 2 CPCB stations with a 2-point spread (min 42, max 44); Thanjavur spans 1 stations with a 0-point spread (min 42, max 42).