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Lucknow vs Sasaram

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

Cleaner right now: Sasaram (141-pt gap)Historical head-to-head: Sasaram cleaner 545/674 daysYoY 20162024: Lucknow -41.2% · Sasaram -60.4%

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

Lucknow

Uttar Pradesh, India

Poor

PM2.5: 109.0 µg/m³

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VS
🏆 Cleaner

Sasaram

Bihar, India

Moderate

PM2.5: 66.8 µg/m³

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Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)
PollutantLucknowSasaram
PM2.5(µg/m³)109.0066.80
PM10(µg/m³)188.1078.90
NO₂(µg/m³)76.4022.70
SO₂(µg/m³)27.7014.20
O₃(µg/m³)3.0077.00
CO(µg/m³)451.00666.00

CPCB Multi-Year History (2016–2024)

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Summary

Overview

In 2024, Lucknow averaged an AQI of 127 while Sasaram averaged 109 — a 18-point (17%) gap, with Lucknow the more polluted and Sasaram the cleaner of the two. On 674 days when both cities reported, Sasaram was cleaner on 545 of them; the average daily gap was 74 AQI points.

Seasonality & days

Lucknow peaks in November, while Sasaram peaks in January. Lucknow logged 6.6% Severe days and 19.4% Good-or-Satisfactory days; Sasaram was 0.1% Severe and 37% Good-or-Satisfactory. Longest clean-air streaks: Lucknow 45 days, Sasaram 27 days.

Year-over-year progress

Lucknow has improved by 89 AQI points (41.2%) from 2016 to 2024; Sasaram has improved by 166 AQI points (60.4%) over the same window. The worst recorded day for Lucknow reached AQI 500 at Lalbagh (CPCB) on 2017-11-09; Sasaram hit AQI 401 at Dada Peer (BSPCB) on 2021-11-28.

Station-level disparity

Lucknow spans 7 CPCB stations with a 119-point spread (min 97, max 216); Sasaram spans 1 stations with a 0-point spread (min 148, max 148).

Verdict

🏆 Sasaram has better air quality with an AQI of 123 compared to Lucknow's 264. That's a significant difference of 141 points.

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