Ludhiana vs Sirohi
Side-by-side air quality comparison between Ludhiana and Sirohi.
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 | Ludhiana | Sirohi |
|---|---|---|
| PM2.5(µg/m³) | 71.50 | 20.00 |
| PM10(µg/m³) | 100.40 | 34.70 |
| NO₂(µg/m³) | 31.30 | 4.30 |
| SO₂(µg/m³) | 17.00 | 2.90 |
| O₃(µg/m³) | 62.00 | 51.00 |
| CO(µg/m³) | 748.00 | 127.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2021, Ludhiana averaged an AQI of 117 while Sirohi averaged 89 — a 28-point (31%) gap, with Ludhiana the more polluted and Sirohi the cleaner of the two.
Seasonality & days
Ludhiana peaks in November, while Sirohi peaks in December. Ludhiana logged 0.3% Severe days and 53.599999999999994% Good-or-Satisfactory days; Sirohi was 0% Severe and 69.2% Good-or-Satisfactory. Longest clean-air streaks: Ludhiana 53 days, Sirohi 41 days.
Year-over-year progress
Ludhiana has improved by 79 AQI points (40.3%) from 2017 to 2021; Sirohi has improved by 4 AQI points (4.3%) over the same window. The worst recorded day for Ludhiana reached AQI 488 at Punjab Agricultural University (PPCB) on 2018-06-14; Sirohi hit AQI 335 at Vedhaynath Colony (RSPCB) on 2024-12-26.
Station-level disparity
Ludhiana spans 1 CPCB stations with a 0-point spread (min 118, max 118); Sirohi spans 1 stations with a 0-point spread (min 90, max 90).
Verdict
🏆 Sirohi has better air quality with an AQI of 35 compared to Ludhiana's 139. That's a significant difference of 104 points.