Begusarai vs Tonk
Side-by-side air quality comparison between Begusarai and Tonk.
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 | Tonk |
|---|---|---|
| PM2.5(µg/m³) | 93.40 | 27.80 |
| PM10(µg/m³) | 103.60 | 53.10 |
| NO₂(µg/m³) | 41.50 | 9.00 |
| SO₂(µg/m³) | 17.90 | 4.10 |
| O₃(µg/m³) | 64.00 | 47.00 |
| CO(µg/m³) | 637.00 | 206.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Begusarai averaged an AQI of 128 while Tonk averaged 142 — a 14-point (11%) gap, with Tonk the more polluted and Begusarai the cleaner of the two. On 267 days when both cities reported, Tonk was cleaner on 159 of them; the average daily gap was 87 AQI points.
Seasonality & days
Begusarai peaks in January, while Tonk peaks in November. Begusarai logged 8.7% Severe days and 20.8% Good-or-Satisfactory days; Tonk was 0% Severe and 28.200000000000003% Good-or-Satisfactory. Longest clean-air streaks: Begusarai 14 days, Tonk 11 days.
Year-over-year progress
Begusarai has improved by 137 AQI points (51.7%) from 2023 to 2024; Tonk has improved by 14 AQI points (9%) over the same window. The worst recorded day for Begusarai reached AQI 469 at Lohiyanagar (BSPCB) on 2023-01-14; Tonk hit AQI 368 at Shastri Nagar (RSPCB) on 2023-11-17.
Station-level disparity
Begusarai spans 1 CPCB stations with a 0-point spread (min 213, max 213); Tonk spans 1 stations with a 0-point spread (min 148, max 148).
Verdict
🏆 Tonk has better air quality with an AQI of 54 compared to Begusarai's 212. That's a significant difference of 158 points.