Bhagalpur vs Karnal
Side-by-side air quality comparison between Bhagalpur and Karnal.
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 | Karnal |
|---|---|---|
| PM2.5(µg/m³) | 56.20 | 130.90 |
| PM10(µg/m³) | 62.60 | 553.20 |
| NO₂(µg/m³) | 14.10 | 43.30 |
| SO₂(µg/m³) | 24.00 | 17.00 |
| O₃(µg/m³) | 121.00 | 43.00 |
| CO(µg/m³) | 527.00 | 906.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bhagalpur averaged an AQI of 164 while Karnal averaged 102 — a 62-point (61%) gap, with Bhagalpur the more polluted and Karnal the cleaner of the two. On 1028 days when both cities reported, Karnal was cleaner on 860 of them; the average daily gap was 97 AQI points.
Seasonality & days
Bhagalpur peaks in January, while Karnal peaks in November. Bhagalpur logged 1.9% Severe days and 19.9% Good-or-Satisfactory days; Karnal was 0.1% Severe and 46.2% Good-or-Satisfactory. Longest clean-air streaks: Bhagalpur 20 days, Karnal 53 days.
Year-over-year progress
Bhagalpur has improved by 123 AQI points (42.9%) from 2021 to 2024; Karnal has improved by 71 AQI points (41%) over the same window. The worst recorded day for Bhagalpur reached AQI 451 at Mayaganj (BSPCB) on 2022-12-30; Karnal hit AQI 456 at Sector-12 (HSPCB) on 2019-11-03.
Station-level disparity
Bhagalpur spans 2 CPCB stations with a 26-point spread (min 170, max 196); Karnal spans 1 stations with a 0-point spread (min 128, max 128).
Verdict
🏆 Bhagalpur has better air quality with an AQI of 94 compared to Karnal's 473. That's a significant difference of 379 points.