Lucknow vs Thiruvananthapuram
Side-by-side air quality comparison between Lucknow and Thiruvananthapuram.
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 | Thiruvananthapuram |
|---|---|---|
| PM2.5(µg/m³) | 105.20 | 5.30 |
| PM10(µg/m³) | 155.50 | 9.50 |
| NO₂(µg/m³) | 59.70 | 1.50 |
| SO₂(µg/m³) | 25.50 | 0.40 |
| O₃(µg/m³) | 41.00 | 38.00 |
| CO(µg/m³) | 416.00 | 102.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Lucknow averaged an AQI of 127 while Thiruvananthapuram averaged 56 — a 71-point (127%) gap, with Lucknow the more polluted and Thiruvananthapuram the cleaner of the two. On 2231 days when both cities reported, Thiruvananthapuram was cleaner on 2172 of them; the average daily gap was 162 AQI points.
Seasonality & days
Lucknow peaks in November, while Thiruvananthapuram peaks in January. Lucknow logged 6.6% Severe days and 19.4% Good-or-Satisfactory days; Thiruvananthapuram was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Lucknow 45 days, Thiruvananthapuram 172 days.
Year-over-year progress
Lucknow has improved by 89 AQI points (41.2%) from 2016 to 2024; Thiruvananthapuram has improved by 11 AQI points (16.4%) over the same window. The worst recorded day for Lucknow reached AQI 500 at Lalbagh (CPCB) on 2017-11-09; Thiruvananthapuram hit AQI 387 at Plammoodu Thiruvananthapuram (PCB) on 2021-08-30.
Station-level disparity
Lucknow spans 7 CPCB stations with a 119-point spread (min 97, max 216); Thiruvananthapuram spans 2 stations with a 7-point spread (min 57, max 64).
Verdict
🏆 Thiruvananthapuram has better air quality with an AQI of 10 compared to Lucknow's 251. That's a significant difference of 241 points.