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Prayagraj vs Sasaram

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

Cleaner right now: Prayagraj (29-pt gap)Historical head-to-head: Prayagraj cleaner 400/673 daysYoY 20212024: Prayagraj -34.4% · 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

🏆 Cleaner

Prayagraj

Uttar Pradesh, India

Moderate

PM2.5: 61.0 µg/m³

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VS

Sasaram

Bihar, India

Moderate

PM2.5: 69.8 µg/m³

View full AQI →
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)
PollutantPrayagrajSasaram
PM2.5(µg/m³)61.0069.80
PM10(µg/m³)73.8080.30
NO₂(µg/m³)45.9015.10
SO₂(µg/m³)15.6014.40
O₃(µg/m³)36.00101.00
CO(µg/m³)240.00627.00

CPCB Multi-Year History (2016–2024)

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Summary

Overview

In 2024, Prayagraj averaged an AQI of 80 while Sasaram averaged 109 — a 29-point (36%) gap, with Sasaram the more polluted and Prayagraj the cleaner of the two. On 673 days when both cities reported, Prayagraj was cleaner on 400 of them; the average daily gap was 53 AQI points.

Seasonality & days

Prayagraj peaks in November, while Sasaram peaks in January. Prayagraj logged 0.2% Severe days and 48% Good-or-Satisfactory days; Sasaram was 0.1% Severe and 37% Good-or-Satisfactory. Longest clean-air streaks: Prayagraj 69 days, Sasaram 27 days.

Year-over-year progress

Prayagraj has improved by 42 AQI points (34.4%) from 2021 to 2024; Sasaram has improved by 166 AQI points (60.4%) over the same window. The worst recorded day for Prayagraj reached AQI 416 at Nagar Nigam (UPPCB) on 2021-11-08; Sasaram hit AQI 401 at Dada Peer (BSPCB) on 2021-11-28.

Station-level disparity

Prayagraj spans 3 CPCB stations with a 9-point spread (min 96, max 105); Sasaram spans 1 stations with a 0-point spread (min 148, max 148).

Verdict

🏆 Prayagraj has better air quality with an AQI of 104 compared to Sasaram's 133.

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