Begusarai vs Chandigarh
Side-by-side air quality comparison between Begusarai and Chandigarh.
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 | Chandigarh |
|---|---|---|
| PM2.5(µg/m³) | 93.40 | 46.30 |
| PM10(µg/m³) | 103.60 | 63.60 |
| NO₂(µg/m³) | 41.50 | 30.10 |
| SO₂(µg/m³) | 17.90 | 10.30 |
| O₃(µg/m³) | 64.00 | 64.00 |
| CO(µg/m³) | 637.00 | 602.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Begusarai averaged an AQI of 128 while Chandigarh averaged 153 — a 25-point (20%) gap, with Chandigarh the more polluted and Begusarai the cleaner of the two. On 346 days when both cities reported, Chandigarh was cleaner on 211 of them; the average daily gap was 92 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; Chandigarh was 0.3% Severe and 39.9% Good-or-Satisfactory. Longest clean-air streaks: Begusarai 14 days, Chandigarh 92 days.
Year-over-year progress
Begusarai has improved by 137 AQI points (51.7%) from 2023 to 2024; Chandigarh has worsened by 27 AQI points (21.4%) over the same window. The worst recorded day for Begusarai reached AQI 469 at Lohiyanagar (BSPCB) on 2023-01-14; Chandigarh hit AQI 452 at Sector-53 (CPCC) on 2022-11-09.
Station-level disparity
Begusarai spans 1 CPCB stations with a 0-point spread (min 213, max 213); Chandigarh spans 3 stations with a 43-point spread (min 107, max 150).
Verdict
🏆 Chandigarh has better air quality with an AQI of 78 compared to Begusarai's 212. That's a significant difference of 134 points.