Dindigul vs Sikar
Side-by-side air quality comparison between Dindigul and Sikar.
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 | Sikar |
|---|---|---|
| PM2.5(µg/m³) | 18.20 | 27.60 |
| PM10(µg/m³) | 19.70 | 68.20 |
| NO₂(µg/m³) | 28.00 | 12.80 |
| SO₂(µg/m³) | 2.70 | 5.40 |
| O₃(µg/m³) | 1.00 | 65.00 |
| CO(µg/m³) | 215.00 | 223.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dindigul averaged an AQI of 61 while Sikar averaged 139 — a 78-point (128%) gap, with Sikar the more polluted and Dindigul the cleaner of the two. On 179 days when both cities reported, Dindigul was cleaner on 150 of them; the average daily gap was 77 AQI points.
Seasonality & days
Dindigul peaks in February, while Sikar peaks in January. Dindigul logged 0% Severe days and 67.3% Good-or-Satisfactory days; Sikar was 0.2% Severe and 34% Good-or-Satisfactory. Longest clean-air streaks: Dindigul 22 days, Sikar 32 days.
Year-over-year progress
Dindigul has improved by 29 AQI points (32.2%) from 2022 to 2024; Sikar has worsened by 4 AQI points (3%) over the same window. The worst recorded day for Dindigul reached AQI 352 at Mendonsa Colony (TNPCB) on 2023-03-12; Sikar hit AQI 452 at Radhakishan Pura (RSPCB) on 2023-11-16.
Station-level disparity
Dindigul spans 1 CPCB stations with a 0-point spread (min 102, max 102); Sikar spans 1 stations with a 0-point spread (min 137, max 137).
Verdict
🏆 Dindigul has better air quality with an AQI of 30 compared to Sikar's 69.