Bhilwara vs Gummidipoondi
Side-by-side air quality comparison between Bhilwara and Gummidipoondi.
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 | Bhilwara | Gummidipoondi |
|---|---|---|
| PM2.5(µg/m³) | 21.40 | 10.60 |
| PM10(µg/m³) | 35.40 | 11.90 |
| NO₂(µg/m³) | 8.30 | 12.70 |
| SO₂(µg/m³) | 5.70 | 6.00 |
| O₃(µg/m³) | 51.00 | 51.00 |
| CO(µg/m³) | 150.00 | 298.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bhilwara averaged an AQI of 98 while Gummidipoondi averaged 107 — a 9-point (9%) gap, with Gummidipoondi the more polluted and Bhilwara the cleaner of the two. On 461 days when both cities reported, Bhilwara was cleaner on 267 of them; the average daily gap was 44 AQI points.
Seasonality & days
Bhilwara peaks in December, while Gummidipoondi peaks in November. Bhilwara logged 0% Severe days and 54.900000000000006% Good-or-Satisfactory days; Gummidipoondi was 0% Severe and 59.1% Good-or-Satisfactory. Longest clean-air streaks: Bhilwara 35 days, Gummidipoondi 49 days.
Year-over-year progress
Bhilwara has improved by 37 AQI points (27.4%) from 2023 to 2024; Gummidipoondi has worsened by 8 AQI points (8.1%) over the same window. The worst recorded day for Bhilwara reached AQI 331 at Pratap Nagar (RSPCB) on 2023-12-27; Gummidipoondi hit AQI 326 at Anthoni Pillai Nagar (TNPCB) on 2023-12-22.
Station-level disparity
Bhilwara spans 1 CPCB stations with a 0-point spread (min 111, max 111); Gummidipoondi spans 1 stations with a 0-point spread (min 99, max 99).
Verdict
🏆 Gummidipoondi has better air quality with an AQI of 18 compared to Bhilwara's 36.