Bettiah vs Kārwār
Side-by-side air quality comparison between Bettiah and Kārwār.
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 | Kārwār |
|---|---|---|
| PM2.5(µg/m³) | 99.70 | 7.10 |
| PM10(µg/m³) | 113.90 | 19.60 |
| NO₂(µg/m³) | 54.20 | 0.70 |
| SO₂(µg/m³) | 11.70 | 0.40 |
| O₃(µg/m³) | 4.00 | 54.00 |
| CO(µg/m³) | 1655.00 | 95.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bettiah averaged an AQI of 127 while Kārwār averaged 55 — a 72-point (131%) gap, with Bettiah the more polluted and Kārwār the cleaner of the two. On 182 days when both cities reported, Kārwār was cleaner on 144 of them; the average daily gap was 68 AQI points.
Seasonality & days
Bettiah peaks in November, while Kārwār peaks in January. Bettiah logged 3.2% Severe days and 32.3% Good-or-Satisfactory days; Kārwār was 0% Severe and 92.7% Good-or-Satisfactory. Longest clean-air streaks: Bettiah 20 days, Kārwār 34 days.
Year-over-year progress
Bettiah has improved by 73 AQI points (36.5%) from 2021 to 2024; Kārwār has improved by 72 AQI points (56.7%) over the same window. The worst recorded day for Bettiah reached AQI 470 at Kamalnath Nagar (BSPCB) on 2023-01-01; Kārwār hit AQI 222 at KHB Colony (KSPCB) on 2023-12-21.
Station-level disparity
Bettiah spans 1 CPCB stations with a 0-point spread (min 173, max 173); Kārwār spans 1 stations with a 0-point spread (min 58, max 58).
Verdict
🏆 Kārwār has better air quality with an AQI of 20 compared to Bettiah's 233. That's a significant difference of 213 points.