Guwahati vs Lucknow
Side-by-side air quality comparison between Guwahati and Lucknow.
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 | Guwahati | Lucknow |
|---|---|---|
| PM2.5(µg/m³) | 34.60 | 82.40 |
| PM10(µg/m³) | 39.60 | 132.70 |
| NO₂(µg/m³) | 4.10 | 37.90 |
| SO₂(µg/m³) | 4.60 | 22.30 |
| O₃(µg/m³) | 116.00 | 94.00 |
| CO(µg/m³) | 399.00 | 377.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Guwahati averaged an AQI of 123 while Lucknow averaged 127 — a 4-point (3%) gap, with Lucknow the more polluted and Guwahati the cleaner of the two. On 1750 days when both cities reported, Guwahati was cleaner on 1424 of them; the average daily gap was 101 AQI points.
Seasonality & days
Guwahati peaks in January, while Lucknow peaks in November. Guwahati logged 0.1% Severe days and 44.9% Good-or-Satisfactory days; Lucknow was 6.6% Severe and 19.4% Good-or-Satisfactory. Longest clean-air streaks: Guwahati 105 days, Lucknow 45 days.
Year-over-year progress
Guwahati has worsened by 14 AQI points (12.8%) from 2019 to 2024; Lucknow has improved by 89 AQI points (41.2%) over the same window. The worst recorded day for Guwahati reached AQI 420 at Railway Colony (PCBA) on 2023-01-15; Lucknow hit AQI 500 at Lalbagh (CPCB) on 2017-11-09.
Station-level disparity
Guwahati spans 4 CPCB stations with a 26-point spread (min 118, max 144); Lucknow spans 7 stations with a 119-point spread (min 97, max 216).
Verdict
🏆 Guwahati has better air quality with an AQI of 59 compared to Lucknow's 175. That's a significant difference of 116 points.