Dindigul vs Hisar
Side-by-side air quality comparison between Dindigul and Hisar.
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 | Hisar |
|---|---|---|
| PM2.5(µg/m³) | 20.10 | 75.70 |
| PM10(µg/m³) | 21.60 | 224.40 |
| NO₂(µg/m³) | 20.20 | 34.70 |
| SO₂(µg/m³) | 3.40 | 8.30 |
| O₃(µg/m³) | 23.00 | 43.00 |
| CO(µg/m³) | 209.00 | 508.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dindigul averaged an AQI of 61 while Hisar averaged 136 — a 75-point (123%) gap, with Hisar the more polluted and Dindigul the cleaner of the two. On 150 days when both cities reported, Dindigul was cleaner on 136 of them; the average daily gap was 99 AQI points.
Seasonality & days
Dindigul peaks in February, while Hisar peaks in November. Dindigul logged 0% Severe days and 67.3% Good-or-Satisfactory days; Hisar was 1.6% Severe and 29.700000000000003% Good-or-Satisfactory. Longest clean-air streaks: Dindigul 22 days, Hisar 34 days.
Year-over-year progress
Dindigul has improved by 29 AQI points (32.2%) from 2022 to 2024; Hisar has improved by 39 AQI points (22.3%) over the same window. The worst recorded day for Dindigul reached AQI 352 at Mendonsa Colony (TNPCB) on 2023-03-12; Hisar hit AQI 490 at Urban Estate-II (HSPCB) on 2019-11-02.
Station-level disparity
Dindigul spans 1 CPCB stations with a 0-point spread (min 102, max 102); Hisar spans 1 stations with a 0-point spread (min 168, max 168).
Verdict
🏆 Dindigul has better air quality with an AQI of 34 compared to Hisar's 183. That's a significant difference of 149 points.