Lucknow vs Silchar
Side-by-side air quality comparison between Lucknow and Silchar.
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 | Silchar |
|---|---|---|
| PM2.5(µg/m³) | 107.30 | 53.00 |
| PM10(µg/m³) | 189.50 | 63.80 |
| NO₂(µg/m³) | 83.80 | 13.90 |
| SO₂(µg/m³) | 28.40 | 7.50 |
| O₃(µg/m³) | 0.00 | 95.00 |
| CO(µg/m³) | 474.00 | 276.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Lucknow averaged an AQI of 127 while Silchar averaged 52 — a 75-point (144%) gap, with Lucknow the more polluted and Silchar the cleaner of the two. On 352 days when both cities reported, Silchar was cleaner on 346 of them; the average daily gap was 132 AQI points.
Seasonality & days
Lucknow peaks in November, while Silchar peaks in February. Lucknow logged 6.6% Severe days and 19.4% Good-or-Satisfactory days; Silchar was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Lucknow 45 days, Silchar 87 days.
Year-over-year progress
Lucknow has improved by 89 AQI points (41.2%) from 2016 to 2024; Silchar has worsened by 11 AQI points (26.8%) over the same window. The worst recorded day for Lucknow reached AQI 500 at Lalbagh (CPCB) on 2017-11-09; Silchar hit AQI 89 at Tarapur (PCBA) on 2023-04-29.
Station-level disparity
Lucknow spans 7 CPCB stations with a 119-point spread (min 97, max 216); Silchar spans 1 stations with a 0-point spread (min 47, max 47).
Verdict
🏆 Silchar has better air quality with an AQI of 89 compared to Lucknow's 258. That's a significant difference of 169 points.