Ludhiana vs Meerut
Side-by-side air quality comparison between Ludhiana and Meerut.
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 | Meerut |
|---|---|---|
| PM2.5(µg/m³) | 71.50 | 69.60 |
| PM10(µg/m³) | 100.40 | 96.40 |
| NO₂(µg/m³) | 31.30 | 27.40 |
| SO₂(µg/m³) | 17.00 | 11.00 |
| O₃(µg/m³) | 62.00 | 65.00 |
| CO(µg/m³) | 748.00 | 590.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2021, Ludhiana averaged an AQI of 117 while Meerut averaged 144 — a 27-point (23%) gap, with Meerut the more polluted and Ludhiana the cleaner of the two. On 814 days when both cities reported, Ludhiana was cleaner on 713 of them; the average daily gap was 101 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Ludhiana logged 0.3% Severe days and 53.599999999999994% Good-or-Satisfactory days; Meerut was 2% Severe and 22.299999999999997% Good-or-Satisfactory. Longest clean-air streaks: Ludhiana 53 days, Meerut 25 days.
Year-over-year progress
Ludhiana has improved by 79 AQI points (40.3%) from 2017 to 2021; Meerut has improved by 116 AQI points (44.6%) over the same window. The worst recorded day for Ludhiana reached AQI 488 at Punjab Agricultural University (PPCB) on 2018-06-14; Meerut hit AQI 490 at Pallavpuram Phase 2 (UPPCB) on 2020-11-05.
Station-level disparity
Ludhiana spans 1 CPCB stations with a 0-point spread (min 118, max 118); Meerut spans 3 stations with a 13-point spread (min 172, max 185).
Verdict
🏆 Meerut has better air quality with an AQI of 133 compared to Ludhiana's 139.