Lucknow vs Saharsa
Side-by-side air quality comparison between Lucknow and Saharsa.
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 | Saharsa |
|---|---|---|
| PM2.5(µg/m³) | 105.20 | 99.90 |
| PM10(µg/m³) | 155.50 | 105.70 |
| NO₂(µg/m³) | 59.70 | 26.10 |
| SO₂(µg/m³) | 25.50 | 13.00 |
| O₃(µg/m³) | 41.00 | 62.00 |
| CO(µg/m³) | 416.00 | 670.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Lucknow averaged an AQI of 127 while Saharsa averaged 139 — a 12-point (9%) gap, with Saharsa the more polluted and Lucknow the cleaner of the two. On 603 days when both cities reported, Saharsa was cleaner on 360 of them; the average daily gap was 75 AQI points.
Seasonality & days
Lucknow peaks in November, while Saharsa peaks in January. Lucknow logged 6.6% Severe days and 19.4% Good-or-Satisfactory days; Saharsa was 1.4% Severe and 28.4% Good-or-Satisfactory. Longest clean-air streaks: Lucknow 45 days, Saharsa 20 days.
Year-over-year progress
Lucknow has improved by 89 AQI points (41.2%) from 2016 to 2024; Saharsa has improved by 139 AQI points (50%) over the same window. The worst recorded day for Lucknow reached AQI 500 at Lalbagh (CPCB) on 2017-11-09; Saharsa hit AQI 454 at Police Line (BSPCB) on 2022-12-13.
Station-level disparity
Lucknow spans 7 CPCB stations with a 119-point spread (min 97, max 216); Saharsa spans 1 stations with a 0-point spread (min 188, max 188).
Verdict
🏆 Saharsa has better air quality with an AQI of 234 compared to Lucknow's 251.