Lucknow vs Samastipur
Side-by-side air quality comparison between Lucknow and Samastipur.
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 | Lucknow | Samastipur |
|---|---|---|
| PM2.5(µg/m³) | 107.30 | 118.00 |
| PM10(µg/m³) | 189.50 | 134.60 |
| NO₂(µg/m³) | 83.80 | 61.60 |
| SO₂(µg/m³) | 28.40 | 18.30 |
| O₃(µg/m³) | 0.00 | 5.00 |
| CO(µg/m³) | 474.00 | 837.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Lucknow averaged an AQI of 127 while Samastipur averaged 134 — a 7-point (6%) gap, with Samastipur the more polluted and Lucknow the cleaner of the two. On 485 days when both cities reported, Samastipur was cleaner on 267 of them; the average daily gap was 68 AQI points.
Seasonality & days
Lucknow peaks in November, while Samastipur peaks in January. Lucknow logged 6.6% Severe days and 19.4% Good-or-Satisfactory days; Samastipur was 1.4% Severe and 23.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Lucknow 45 days, Samastipur 9 days.
Year-over-year progress
Lucknow has improved by 89 AQI points (41.2%) from 2016 to 2024; Samastipur has improved by 84 AQI points (38.5%) over the same window. The worst recorded day for Lucknow reached AQI 500 at Lalbagh (CPCB) on 2017-11-09; Samastipur hit AQI 459 at DM Office Kasipur (BSPCB) on 2023-01-01.
Station-level disparity
Lucknow spans 7 CPCB stations with a 119-point spread (min 97, max 216); Samastipur spans 1 stations with a 0-point spread (min 177, max 177).
Verdict
🏆 Lucknow has better air quality with an AQI of 258 compared to Samastipur's 293.