Begusarai vs Cuddalore
Side-by-side air quality comparison between Begusarai and Cuddalore.
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 | Cuddalore |
|---|---|---|
| PM2.5(µg/m³) | 93.40 | 15.00 |
| PM10(µg/m³) | 103.60 | 18.20 |
| NO₂(µg/m³) | 41.50 | 15.90 |
| SO₂(µg/m³) | 17.90 | 10.00 |
| O₃(µg/m³) | 64.00 | 39.00 |
| CO(µg/m³) | 637.00 | 353.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Begusarai averaged an AQI of 128 while Cuddalore averaged 52 — a 76-point (146%) gap, with Begusarai the more polluted and Cuddalore the cleaner of the two. On 105 days when both cities reported, Cuddalore was cleaner on 93 of them; the average daily gap was 70 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; Cuddalore was 0% Severe and 90.6% Good-or-Satisfactory. Longest clean-air streaks: Begusarai 14 days, Cuddalore 34 days.
Year-over-year progress
The worst recorded day for Begusarai reached AQI 469 at Lohiyanagar (BSPCB) on 2023-01-14; Cuddalore hit AQI 329 at Kudikadu (TNPCB) on 2024-04-05.
Station-level disparity
Begusarai spans 1 CPCB stations with a 0-point spread (min 213, max 213); Cuddalore spans 2 stations with a 11-point spread (min 46, max 57).
Verdict
🏆 Cuddalore has better air quality with an AQI of 25 compared to Begusarai's 212. That's a significant difference of 187 points.