Begusarai vs Tiruchirappalli
Side-by-side air quality comparison between Begusarai and Tiruchirappalli.
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 | Tiruchirappalli |
|---|---|---|
| PM2.5(µg/m³) | 88.90 | 5.40 |
| PM10(µg/m³) | 101.70 | 6.60 |
| NO₂(µg/m³) | 52.20 | 7.20 |
| SO₂(µg/m³) | 16.70 | 3.10 |
| O₃(µg/m³) | 23.00 | 38.00 |
| CO(µg/m³) | 695.00 | 134.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Begusarai averaged an AQI of 128 while Tiruchirappalli averaged 50 — a 78-point (156%) gap, with Begusarai the more polluted and Tiruchirappalli the cleaner of the two. On 67 days when both cities reported, Tiruchirappalli was cleaner on 67 of them; the average daily gap was 127 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; Tiruchirappalli was 0% Severe and 96.5% Good-or-Satisfactory. Longest clean-air streaks: Begusarai 14 days, Tiruchirappalli 46 days.
Year-over-year progress
Begusarai has improved by 137 AQI points (51.7%) from 2023 to 2024; Tiruchirappalli has improved by 23 AQI points (31.5%) over the same window. The worst recorded day for Begusarai reached AQI 469 at Lohiyanagar (BSPCB) on 2023-01-14; Tiruchirappalli hit AQI 114 at St Joseph College (TNPCB) on 2024-01-14.
Station-level disparity
Begusarai spans 1 CPCB stations with a 0-point spread (min 213, max 213); Tiruchirappalli spans 1 stations with a 0-point spread (min 52, max 52).
Verdict
🏆 Tiruchirappalli has better air quality with an AQI of 9 compared to Begusarai's 196. That's a significant difference of 187 points.