Darbhanga vs Thiruvananthapuram
Side-by-side air quality comparison between Darbhanga and Thiruvananthapuram.
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 | Darbhanga | Thiruvananthapuram |
|---|---|---|
| PM2.5(µg/m³) | 114.10 | 5.50 |
| PM10(µg/m³) | 129.90 | 10.00 |
| NO₂(µg/m³) | 56.30 | 1.70 |
| SO₂(µg/m³) | 18.30 | 0.50 |
| O₃(µg/m³) | 16.00 | 37.00 |
| CO(µg/m³) | 816.00 | 85.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2023, Darbhanga averaged an AQI of 365 while Thiruvananthapuram averaged 56 — a 309-point (552%) gap, with Darbhanga the more polluted and Thiruvananthapuram the cleaner of the two. On 393 days when both cities reported, Thiruvananthapuram was cleaner on 362 of them; the average daily gap was 142 AQI points.
Seasonality & days
Darbhanga peaks in December, while Thiruvananthapuram peaks in January. Darbhanga logged 7.1% Severe days and 26.9% Good-or-Satisfactory days; Thiruvananthapuram was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Darbhanga 20 days, Thiruvananthapuram 172 days.
Year-over-year progress
Darbhanga has worsened by 116 AQI points (46.6%) from 2021 to 2023; Thiruvananthapuram has improved by 11 AQI points (16.4%) over the same window. The worst recorded day for Darbhanga reached AQI 473 at Town Hall Lal Bagh (BSPCB) on 2023-01-01; Thiruvananthapuram hit AQI 387 at Plammoodu Thiruvananthapuram (PCB) on 2021-08-30.
Station-level disparity
Darbhanga spans 1 CPCB stations with a 0-point spread (min 208, max 208); Thiruvananthapuram spans 2 stations with a 7-point spread (min 57, max 64).
Verdict
🏆 Thiruvananthapuram has better air quality with an AQI of 10 compared to Darbhanga's 281. That's a significant difference of 271 points.