Dindigul vs Ujjain
Side-by-side air quality comparison between Dindigul and Ujjain.
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 | Ujjain |
|---|---|---|
| PM2.5(µg/m³) | 18.20 | 32.40 |
| PM10(µg/m³) | 19.70 | 47.70 |
| NO₂(µg/m³) | 28.00 | 6.80 |
| SO₂(µg/m³) | 2.70 | 13.70 |
| O₃(µg/m³) | 1.00 | 66.00 |
| CO(µg/m³) | 215.00 | 215.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dindigul averaged an AQI of 61 while Ujjain averaged 116 — a 55-point (90%) gap, with Ujjain the more polluted and Dindigul the cleaner of the two. On 246 days when both cities reported, Dindigul was cleaner on 179 of them; the average daily gap was 71 AQI points.
Seasonality & days
Dindigul peaks in February, while Ujjain peaks in November. Dindigul logged 0% Severe days and 67.3% Good-or-Satisfactory days; Ujjain was 0.1% Severe and 33.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Dindigul 22 days, Ujjain 67 days.
Year-over-year progress
Dindigul has improved by 29 AQI points (32.2%) from 2022 to 2024; Ujjain has improved by 71 AQI points (38%) over the same window. The worst recorded day for Dindigul reached AQI 352 at Mendonsa Colony (TNPCB) on 2023-03-12; Ujjain hit AQI 500 at Mahakaleshwar Temple (MPPCB) on 2023-03-10.
Station-level disparity
Dindigul spans 1 CPCB stations with a 0-point spread (min 102, max 102); Ujjain spans 1 stations with a 0-point spread (min 131, max 131).
Verdict
🏆 Dindigul has better air quality with an AQI of 30 compared to Ujjain's 55.