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Begusarai vs Patna

Side-by-side air quality comparison between Begusarai and Patna.

Cleaner right now: Begusarai (35-pt gap)Historical head-to-head: Begusarai cleaner 246/346 daysYoY 20232024: Begusarai -51.7% · Patna -18.9%

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

Begusarai

Bihar, India

Moderate

PM2.5: 88.9 µg/m³

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VS

Patna

Bihar, India

Poor

PM2.5: 99.0 µg/m³

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Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)
PollutantBegusaraiPatna
PM2.5(µg/m³)88.9099.00
PM10(µg/m³)101.70111.80
NO₂(µg/m³)52.2049.30
SO₂(µg/m³)16.7018.10
O₃(µg/m³)23.0019.00
CO(µg/m³)695.00704.00

CPCB Multi-Year History (2016–2024)

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Summary

Overview

In 2024, Begusarai averaged an AQI of 128 while Patna averaged 172 — a 44-point (34%) gap, with Patna the more polluted and Begusarai the cleaner of the two. On 346 days when both cities reported, Begusarai was cleaner on 246 of them; the average daily gap was 78 AQI points.

Seasonality & days

Begusarai peaks in January, while Patna peaks in December. Begusarai logged 8.7% Severe days and 20.8% Good-or-Satisfactory days; Patna was 7.5% Severe and 19.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Begusarai 14 days, Patna 30 days.

Year-over-year progress

Begusarai has improved by 137 AQI points (51.7%) from 2023 to 2024; Patna has improved by 40 AQI points (18.9%) over the same window. The worst recorded day for Begusarai reached AQI 469 at Lohiyanagar (BSPCB) on 2023-01-14; Patna hit AQI 491 at IGSC Planetarium Complex (BSPCB) on 2016-01-01.

Station-level disparity

Begusarai spans 1 CPCB stations with a 0-point spread (min 213, max 213); Patna spans 6 stations with a 39-point spread (min 154, max 193).

Verdict

🏆 Begusarai has better air quality with an AQI of 196 compared to Patna's 231.

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