Bhagalpur vs Tirunelveli
Side-by-side air quality comparison between Bhagalpur and Tirunelveli.
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 | Bhagalpur | Tirunelveli |
|---|---|---|
| PM2.5(µg/m³) | 56.20 | 4.40 |
| PM10(µg/m³) | 62.60 | 5.20 |
| NO₂(µg/m³) | 14.10 | 5.50 |
| SO₂(µg/m³) | 24.00 | 1.80 |
| O₃(µg/m³) | 121.00 | 30.00 |
| CO(µg/m³) | 527.00 | 151.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bhagalpur averaged an AQI of 164 while Tirunelveli averaged 30 — a 134-point (447%) gap, with Bhagalpur the more polluted and Tirunelveli the cleaner of the two. On 114 days when both cities reported, Tirunelveli was cleaner on 114 of them; the average daily gap was 119 AQI points.
Seasonality & days
Bhagalpur peaks in January, while Tirunelveli peaks in October. Bhagalpur logged 1.9% Severe days and 19.9% Good-or-Satisfactory days; Tirunelveli was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Bhagalpur 20 days, Tirunelveli 31 days.
Year-over-year progress
The worst recorded day for Bhagalpur reached AQI 451 at Mayaganj (BSPCB) on 2022-12-30; Tirunelveli hit AQI 42 at Municipal Corporation Office (TNPCB) on 2024-10-30.
Station-level disparity
Bhagalpur spans 2 CPCB stations with a 26-point spread (min 170, max 196); Tirunelveli spans 1 stations with a 0-point spread (min 30, max 30).
Verdict
🏆 Tirunelveli has better air quality with an AQI of 7 compared to Bhagalpur's 94. That's a significant difference of 87 points.