Begusarai vs Mumbai
Side-by-side air quality comparison between Begusarai and Mumbai.
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
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Begusarai averaged an AQI of 128 while Mumbai averaged 93 — a 35-point (38%) gap, with Begusarai the more polluted and Mumbai the cleaner of the two. On 130 days when both cities reported, Begusarai was cleaner on 100 of them; the average daily gap was 73 AQI points.
Seasonality & days
Begusarai peaks in January, while Mumbai peaks in December. Begusarai logged 8.7% Severe days and 20.8% Good-or-Satisfactory days; Mumbai was 0.5% Severe and 34% Good-or-Satisfactory. Longest clean-air streaks: Begusarai 14 days, Mumbai 58 days.
Year-over-year progress
Begusarai has improved by 137 AQI points (51.7%) from 2023 to 2024; Mumbai has improved by 4 AQI points (4.1%) over the same window. The worst recorded day for Begusarai reached AQI 469 at Lohiyanagar (BSPCB) on 2023-01-14; Mumbai hit AQI 500 at Vile Parle West (MPCB) on 2022-08-15.
Station-level disparity
Begusarai spans 1 CPCB stations with a 0-point spread (min 213, max 213); Mumbai spans 29 stations with a 74-point spread (min 77, max 151).