Hapur vs Ludhiana
Side-by-side air quality comparison between Hapur and Ludhiana.
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 | Hapur | Ludhiana |
|---|---|---|
| PM2.5(µg/m³) | 71.90 | 81.70 |
| PM10(µg/m³) | 97.30 | 109.20 |
| NO₂(µg/m³) | 36.60 | 40.40 |
| SO₂(µg/m³) | 11.50 | 15.20 |
| O₃(µg/m³) | 36.00 | 35.00 |
| CO(µg/m³) | 589.00 | 797.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hapur averaged an AQI of 142 while Ludhiana averaged 117 — a 25-point (21%) gap, with Hapur the more polluted and Ludhiana the cleaner of the two. On 966 days when both cities reported, Ludhiana was cleaner on 727 of them; the average daily gap was 78 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Hapur logged 1.9% Severe days and 36.2% Good-or-Satisfactory days; Ludhiana was 0.3% Severe and 53.599999999999994% Good-or-Satisfactory. Longest clean-air streaks: Hapur 55 days, Ludhiana 53 days.
Year-over-year progress
Hapur has improved by 197 AQI points (58.1%) from 2018 to 2024; Ludhiana has improved by 79 AQI points (40.3%) over the same window. The worst recorded day for Hapur reached AQI 477 at Anand Vihar (UPPCB) on 2019-10-31; Ludhiana hit AQI 488 at Punjab Agricultural University (PPCB) on 2018-06-14.
Station-level disparity
Hapur spans 1 CPCB stations with a 0-point spread (min 159, max 159); Ludhiana spans 1 stations with a 0-point spread (min 118, max 118).
Verdict
🏆 Hapur has better air quality with an AQI of 140 compared to Ludhiana's 173.