Gummidipoondi vs Thanjavur
Side-by-side air quality comparison between Gummidipoondi 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 | Gummidipoondi | Thanjavur |
|---|---|---|
| PM2.5(µg/m³) | 7.70 | 6.60 |
| PM10(µg/m³) | 10.90 | 8.20 |
| NO₂(µg/m³) | 2.40 | 1.40 |
| SO₂(µg/m³) | 7.40 | 2.20 |
| O₃(µg/m³) | 108.00 | 102.00 |
| CO(µg/m³) | 145.00 | 124.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Gummidipoondi averaged an AQI of 107 while Thanjavur averaged 42 — a 65-point (155%) gap, with Gummidipoondi the more polluted and Thanjavur the cleaner of the two. On 65 days when both cities reported, Thanjavur was cleaner on 64 of them; the average daily gap was 96 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Gummidipoondi logged 0% Severe days and 59.1% Good-or-Satisfactory days; Thanjavur was 0% Severe and 98.60000000000001% Good-or-Satisfactory. Longest clean-air streaks: Gummidipoondi 49 days, Thanjavur 21 days.
Year-over-year progress
The worst recorded day for Gummidipoondi reached AQI 326 at Anthoni Pillai Nagar (TNPCB) on 2023-12-22; Thanjavur hit AQI 140 at Parisutham Nagar (TNPCB) on 2024-11-01.
Station-level disparity
Gummidipoondi spans 1 CPCB stations with a 0-point spread (min 99, max 99); Thanjavur spans 1 stations with a 0-point spread (min 42, max 42).
Verdict
🏆 Thanjavur has better air quality with an AQI of 11 compared to Gummidipoondi's 13.