Begusarai vs Kārwār
Side-by-side air quality comparison between Begusarai and Kārwār.
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 | Kārwār |
|---|---|---|
| PM2.5(µg/m³) | 88.90 | 7.10 |
| PM10(µg/m³) | 101.70 | 19.60 |
| NO₂(µg/m³) | 52.20 | 0.70 |
| SO₂(µg/m³) | 16.70 | 0.40 |
| O₃(µg/m³) | 23.00 | 54.00 |
| CO(µg/m³) | 695.00 | 95.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Begusarai averaged an AQI of 128 while Kārwār averaged 55 — a 73-point (133%) gap, with Begusarai the more polluted and Kārwār the cleaner of the two. On 84 days when both cities reported, Kārwār was cleaner on 84 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; Kārwār was 0% Severe and 92.7% Good-or-Satisfactory. Longest clean-air streaks: Begusarai 14 days, Kārwār 34 days.
Year-over-year progress
Begusarai has improved by 137 AQI points (51.7%) from 2023 to 2024; Kārwār has improved by 72 AQI points (56.7%) over the same window. The worst recorded day for Begusarai reached AQI 469 at Lohiyanagar (BSPCB) on 2023-01-14; Kārwār hit AQI 222 at KHB Colony (KSPCB) on 2023-12-21.
Station-level disparity
Begusarai spans 1 CPCB stations with a 0-point spread (min 213, max 213); Kārwār spans 1 stations with a 0-point spread (min 58, max 58).
Verdict
🏆 Kārwār has better air quality with an AQI of 20 compared to Begusarai's 196. That's a significant difference of 176 points.