Gummidipoondi vs Tonk
Side-by-side air quality comparison between Gummidipoondi and Tonk.
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 | Tonk |
|---|---|---|
| PM2.5(µg/m³) | 10.60 | 34.90 |
| PM10(µg/m³) | 11.90 | 75.90 |
| NO₂(µg/m³) | 12.70 | 14.10 |
| SO₂(µg/m³) | 6.00 | 4.50 |
| O₃(µg/m³) | 51.00 | 38.00 |
| CO(µg/m³) | 298.00 | 239.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Gummidipoondi averaged an AQI of 107 while Tonk averaged 142 — a 35-point (33%) gap, with Tonk the more polluted and Gummidipoondi the cleaner of the two. On 523 days when both cities reported, Gummidipoondi was cleaner on 354 of them; the average daily gap was 57 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; Tonk was 0% Severe and 28.200000000000003% Good-or-Satisfactory. Longest clean-air streaks: Gummidipoondi 49 days, Tonk 11 days.
Year-over-year progress
Gummidipoondi has worsened by 8 AQI points (8.1%) from 2021 to 2024; Tonk has improved by 14 AQI points (9%) over the same window. The worst recorded day for Gummidipoondi reached AQI 326 at Anthoni Pillai Nagar (TNPCB) on 2023-12-22; Tonk hit AQI 368 at Shastri Nagar (RSPCB) on 2023-11-17.
Station-level disparity
Gummidipoondi spans 1 CPCB stations with a 0-point spread (min 99, max 99); Tonk spans 1 stations with a 0-point spread (min 148, max 148).
Verdict
🏆 Gummidipoondi has better air quality with an AQI of 18 compared to Tonk's 76. That's a significant difference of 58 points.