Alwar vs Begusarai
Side-by-side air quality comparison between Alwar and Begusarai.
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
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)▾
| Pollutant | Alwar | Begusarai |
|---|---|---|
| PM2.5(µg/m³) | 58.70 | 93.40 |
| PM10(µg/m³) | 158.30 | 103.60 |
| NO₂(µg/m³) | 14.30 | 41.50 |
| SO₂(µg/m³) | 8.50 | 17.90 |
| O₃(µg/m³) | 76.00 | 64.00 |
| CO(µg/m³) | 357.00 | 637.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Alwar averaged an AQI of 88 while Begusarai averaged 128 — a 40-point (45%) gap, with Begusarai the more polluted and Alwar the cleaner of the two. On 343 days when both cities reported, Alwar was cleaner on 301 of them; the average daily gap was 130 AQI points.
Seasonality & days
Alwar peaks in November, while Begusarai peaks in January. Alwar logged 0% Severe days and 70.2% Good-or-Satisfactory days; Begusarai was 8.7% Severe and 20.8% Good-or-Satisfactory. Longest clean-air streaks: Alwar 97 days, Begusarai 14 days.
Year-over-year progress
Alwar has improved by 125 AQI points (58.7%) from 2017 to 2024; Begusarai has improved by 137 AQI points (51.7%) over the same window. The worst recorded day for Alwar reached AQI 356 at Moti Doongri (RSPCB) on 2017-11-11; Begusarai hit AQI 469 at Lohiyanagar (BSPCB) on 2023-01-14.
Station-level disparity
Alwar spans 1 CPCB stations with a 0-point spread (min 95, max 95); Begusarai spans 1 stations with a 0-point spread (min 213, max 213).
Verdict
🏆 Alwar has better air quality with an AQI of 139 compared to Begusarai's 212. That's a significant difference of 73 points.