Bettiah vs Gwalior
Side-by-side air quality comparison between Bettiah and Gwalior.
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 | Gwalior |
|---|---|---|
| CO(ppb) | 703.34 | 540.06 |
| NO2(ppb) | 9.45 | 29.02 |
| O3(ppb) | 10.44 | 24.88 |
| PM10(µg/m³) | 64.41 | 119.94 |
| PM2.5(µg/m³) | 39.70 | 30.68 |
| SO2(ppb) | 5.40 | 4.58 |
| NH3(ppb) | 9.76 | 9.99 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bettiah averaged an AQI of 127 while Gwalior averaged 136 — a 9-point (7%) gap, with Gwalior the more polluted and Bettiah the cleaner of the two. On 509 days when both cities reported, Bettiah was cleaner on 275 of them; the average daily gap was 73 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Bettiah logged 3.2% Severe days and 32.3% Good-or-Satisfactory days; Gwalior was 0.4% Severe and 31.5% Good-or-Satisfactory. Longest clean-air streaks: Bettiah 20 days, Gwalior 47 days.
Year-over-year progress
Bettiah has improved by 73 AQI points (36.5%) from 2021 to 2024; Gwalior has improved by 12 AQI points (8.1%) over the same window. The worst recorded day for Bettiah reached AQI 470 at Kamalnath Nagar (BSPCB) on 2023-01-01; Gwalior hit AQI 450 at City Center (MPPCB) on 2021-11-09.
Station-level disparity
Bettiah spans 1 CPCB stations with a 0-point spread (min 173, max 173); Gwalior spans 4 stations with a 53-point spread (min 112, max 165).
Verdict
🏆 Bettiah has better air quality with an AQI of 67 compared to Gwalior's 114.