Dindigul vs Ulhasnagar
Side-by-side air quality comparison between Dindigul and Ulhasnagar.
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 | Dindigul | Ulhasnagar |
|---|---|---|
| PM2.5(µg/m³) | 18.20 | 22.10 |
| PM10(µg/m³) | 19.70 | 40.40 |
| NO₂(µg/m³) | 28.00 | 23.10 |
| SO₂(µg/m³) | 2.70 | 21.70 |
| O₃(µg/m³) | 1.00 | 19.00 |
| CO(µg/m³) | 215.00 | 208.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dindigul averaged an AQI of 61 while Ulhasnagar averaged 117 — a 56-point (92%) gap, with Ulhasnagar the more polluted and Dindigul the cleaner of the two. On 113 days when both cities reported, Dindigul was cleaner on 102 of them; the average daily gap was 51 AQI points.
Seasonality & days
Dindigul peaks in February, while Ulhasnagar peaks in January. Dindigul logged 0% Severe days and 67.3% Good-or-Satisfactory days; Ulhasnagar was 0% Severe and 46.9% Good-or-Satisfactory. Longest clean-air streaks: Dindigul 22 days, Ulhasnagar 74 days.
Year-over-year progress
Dindigul has improved by 29 AQI points (32.2%) from 2022 to 2024; Ulhasnagar has improved by 10 AQI points (7.9%) over the same window. The worst recorded day for Dindigul reached AQI 352 at Mendonsa Colony (TNPCB) on 2023-03-12; Ulhasnagar hit AQI 319 at Sidhi Vinayak Nagar (MPCB) on 2023-11-13.
Station-level disparity
Dindigul spans 1 CPCB stations with a 0-point spread (min 102, max 102); Ulhasnagar spans 1 stations with a 0-point spread (min 120, max 120).
Verdict
🏆 Dindigul has better air quality with an AQI of 30 compared to Ulhasnagar's 40.