Begusarai vs Kolār
Side-by-side air quality comparison between Begusarai and Kolār.
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 | Kolār |
|---|---|---|
| PM2.5(µg/m³) | 95.90 | 5.90 |
| PM10(µg/m³) | 109.00 | 7.20 |
| NO₂(µg/m³) | 51.40 | 10.90 |
| SO₂(µg/m³) | 17.30 | 4.70 |
| O₃(µg/m³) | 29.00 | 35.00 |
| CO(µg/m³) | 672.00 | 189.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Begusarai averaged an AQI of 128 while Kolār averaged 65 — a 63-point (97%) gap, with Begusarai the more polluted and Kolār the cleaner of the two. On 204 days when both cities reported, Kolār was cleaner on 177 of them; the average daily gap was 130 AQI points.
Seasonality & days
Begusarai peaks in January, while Kolār peaks in September. Begusarai logged 8.7% Severe days and 20.8% Good-or-Satisfactory days; Kolār was 0.9% Severe and 85.30000000000001% Good-or-Satisfactory. Longest clean-air streaks: Begusarai 14 days, Kolār 17 days.
Year-over-year progress
Begusarai has improved by 137 AQI points (51.7%) from 2023 to 2024; Kolār has improved by 56 AQI points (46.3%) over the same window. The worst recorded day for Begusarai reached AQI 469 at Lohiyanagar (BSPCB) on 2023-01-14; Kolār hit AQI 500 at Tamaka Ind Area (KSPCB) on 2018-09-18.
Station-level disparity
Begusarai spans 1 CPCB stations with a 0-point spread (min 213, max 213); Kolār spans 1 stations with a 0-point spread (min 71, max 71).
Verdict
🏆 Kolār has better air quality with an AQI of 10 compared to Begusarai's 220. That's a significant difference of 210 points.