Bettiah vs Korba
Side-by-side air quality comparison between Bettiah and Korba.
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 | Bettiah | Korba |
|---|---|---|
| PM2.5(µg/m³) | 99.70 | 49.20 |
| PM10(µg/m³) | 113.90 | 58.40 |
| NO₂(µg/m³) | 54.20 | 18.50 |
| SO₂(µg/m³) | 11.70 | 13.70 |
| O₃(µg/m³) | 4.00 | 64.00 |
| CO(µg/m³) | 1655.00 | 435.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bettiah averaged an AQI of 127 while Korba averaged 67 — a 60-point (90%) gap, with Bettiah the more polluted and Korba the cleaner of the two. On 509 days when both cities reported, Korba was cleaner on 444 of them; the average daily gap was 86 AQI points.
Seasonality & days
Bettiah peaks in November, while Korba peaks in January. Bettiah logged 3.2% Severe days and 32.3% Good-or-Satisfactory days; Korba was 0% Severe and 78.8% Good-or-Satisfactory. Longest clean-air streaks: Bettiah 20 days, Korba 83 days.
Year-over-year progress
Bettiah has improved by 73 AQI points (36.5%) from 2021 to 2024; Korba has improved by 19 AQI points (22.1%) over the same window. The worst recorded day for Bettiah reached AQI 470 at Kamalnath Nagar (BSPCB) on 2023-01-01; Korba hit AQI 313 at Urja Nagar (CECB) on 2023-01-04.
Station-level disparity
Bettiah spans 1 CPCB stations with a 0-point spread (min 173, max 173); Korba spans 2 stations with a 13-point spread (min 62, max 75).
Verdict
🏆 Korba has better air quality with an AQI of 82 compared to Bettiah's 233. That's a significant difference of 151 points.