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Gangtok vs Lucknow

Side-by-side air quality comparison between Gangtok and Lucknow.

Cleaner right now: Gangtok (194-pt gap)Historical head-to-head: Gangtok cleaner 456/457 daysYoY 20222024: Gangtok +41.2% · Lucknow -41.2%

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

🏆 Cleaner

Gangtok

Sikkim, India

Satisfactory

PM2.5: 33.9 µg/m³

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VS

Lucknow

Uttar Pradesh, India

Poor

PM2.5: 105.2 µg/m³

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Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)
PollutantGangtokLucknow
PM2.5(µg/m³)33.90105.20
PM10(µg/m³)43.50155.50
NO₂(µg/m³)5.1059.70
SO₂(µg/m³)2.8025.50
O₃(µg/m³)130.0041.00
CO(µg/m³)360.00416.00

CPCB Multi-Year History (2016–2024)

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Summary

Overview

In 2024, Gangtok averaged an AQI of 48 while Lucknow averaged 127 — a 79-point (165%) gap, with Lucknow the more polluted and Gangtok the cleaner of the two. On 457 days when both cities reported, Gangtok was cleaner on 456 of them; the average daily gap was 146 AQI points.

Seasonality & days

Gangtok peaks in March, while Lucknow peaks in November. Gangtok logged 0% Severe days and 96.2% Good-or-Satisfactory days; Lucknow was 6.6% Severe and 19.4% Good-or-Satisfactory. Longest clean-air streaks: Gangtok 94 days, Lucknow 45 days.

Year-over-year progress

Gangtok has worsened by 14 AQI points (41.2%) from 2022 to 2024; Lucknow has improved by 89 AQI points (41.2%) over the same window. The worst recorded day for Gangtok reached AQI 264 at Zero Point GICI (SSPCB) on 2023-01-16; Lucknow hit AQI 500 at Lalbagh (CPCB) on 2017-11-09.

Station-level disparity

Gangtok spans 1 CPCB stations with a 0-point spread (min 50, max 50); Lucknow spans 7 stations with a 119-point spread (min 97, max 216).

Verdict

🏆 Gangtok has better air quality with an AQI of 57 compared to Lucknow's 251. That's a significant difference of 194 points.

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