Begusarai vs Guwahati
Side-by-side air quality comparison between Begusarai and Guwahati.
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 | Begusarai | Guwahati |
|---|---|---|
| PM2.5(µg/m³) | 72.20 | 35.00 |
| PM10(µg/m³) | 89.40 | 41.30 |
| NO₂(µg/m³) | 9.40 | 2.30 |
| SO₂(µg/m³) | 21.00 | 4.90 |
| O₃(µg/m³) | 195.00 | 140.00 |
| CO(µg/m³) | 462.00 | 395.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Begusarai averaged an AQI of 128 while Guwahati averaged 123 — a 5-point (4%) gap, with Begusarai the more polluted and Guwahati the cleaner of the two. On 344 days when both cities reported, Guwahati was cleaner on 237 of them; the average daily gap was 87 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Begusarai logged 8.7% Severe days and 20.8% Good-or-Satisfactory days; Guwahati was 0.1% Severe and 44.9% Good-or-Satisfactory. Longest clean-air streaks: Begusarai 14 days, Guwahati 105 days.
Year-over-year progress
Begusarai has improved by 137 AQI points (51.7%) from 2023 to 2024; Guwahati has worsened by 14 AQI points (12.8%) over the same window. The worst recorded day for Begusarai reached AQI 469 at Lohiyanagar (BSPCB) on 2023-01-14; Guwahati hit AQI 420 at Railway Colony (PCBA) on 2023-01-15.
Station-level disparity
Begusarai spans 1 CPCB stations with a 0-point spread (min 213, max 213); Guwahati spans 4 stations with a 26-point spread (min 118, max 144).
Verdict
🏆 Guwahati has better air quality with an AQI of 59 compared to Begusarai's 141. That's a significant difference of 82 points.