Begusarai vs Karur
Side-by-side air quality comparison between Begusarai and Karur.
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 | Karur |
|---|---|---|
| PM2.5(µg/m³) | 88.90 | 3.80 |
| PM10(µg/m³) | 101.70 | 4.40 |
| NO₂(µg/m³) | 52.20 | 7.30 |
| SO₂(µg/m³) | 16.70 | 2.70 |
| O₃(µg/m³) | 23.00 | 37.00 |
| CO(µg/m³) | 695.00 | 117.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Begusarai averaged an AQI of 128 while Karur averaged 71 — a 57-point (80%) gap, with Begusarai the more polluted and Karur the cleaner of the two. On 69 days when both cities reported, Karur was cleaner on 62 of them; the average daily gap was 93 AQI points.
Seasonality & days
Begusarai peaks in January, while Karur peaks in December. Begusarai logged 8.7% Severe days and 20.8% Good-or-Satisfactory days; Karur was 0% Severe and 80.3% Good-or-Satisfactory. Longest clean-air streaks: Begusarai 14 days, Karur 34 days.
Year-over-year progress
The worst recorded day for Begusarai reached AQI 469 at Lohiyanagar (BSPCB) on 2023-01-14; Karur hit AQI 149 at Kamadenu Nagar (TNPCB) on 2024-11-26.
Station-level disparity
Begusarai spans 1 CPCB stations with a 0-point spread (min 213, max 213); Karur spans 1 stations with a 0-point spread (min 71, max 71).
Verdict
🏆 Karur has better air quality with an AQI of 6 compared to Begusarai's 196. That's a significant difference of 190 points.