Dindigul vs Sagar
Side-by-side air quality comparison between Dindigul and Sagar.
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 | Sagar |
|---|---|---|
| PM2.5(µg/m³) | 18.20 | 25.90 |
| PM10(µg/m³) | 19.70 | 49.60 |
| NO₂(µg/m³) | 28.00 | 14.50 |
| SO₂(µg/m³) | 2.70 | 3.20 |
| O₃(µg/m³) | 1.00 | 48.00 |
| CO(µg/m³) | 215.00 | 223.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dindigul averaged an AQI of 61 while Sagar averaged 96 — a 35-point (57%) gap, with Sagar the more polluted and Dindigul the cleaner of the two. On 168 days when both cities reported, Dindigul was cleaner on 137 of them; the average daily gap was 61 AQI points.
Seasonality & days
Dindigul peaks in February, while Sagar peaks in November. Dindigul logged 0% Severe days and 67.3% Good-or-Satisfactory days; Sagar was 0% Severe and 69.9% Good-or-Satisfactory. Longest clean-air streaks: Dindigul 22 days, Sagar 57 days.
Year-over-year progress
Dindigul has improved by 29 AQI points (32.2%) from 2022 to 2024; Sagar has worsened by 24 AQI points (33.3%) over the same window. The worst recorded day for Dindigul reached AQI 352 at Mendonsa Colony (TNPCB) on 2023-03-12; Sagar hit AQI 347 at Civil Lines (MPPCB) on 2024-12-25.
Station-level disparity
Dindigul spans 1 CPCB stations with a 0-point spread (min 102, max 102); Sagar spans 2 stations with a 45-point spread (min 73, max 118).
Verdict
🏆 Dindigul has better air quality with an AQI of 30 compared to Sagar's 50.