Bettiah vs Noida
Side-by-side air quality comparison between Bettiah and Noida.
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 | Noida |
|---|---|---|
| PM2.5(µg/m³) | 99.70 | 67.50 |
| PM10(µg/m³) | 113.90 | 134.10 |
| NO₂(µg/m³) | 54.20 | 34.90 |
| SO₂(µg/m³) | 11.70 | 17.50 |
| O₃(µg/m³) | 4.00 | 48.00 |
| CO(µg/m³) | 1655.00 | 554.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bettiah averaged an AQI of 127 while Noida averaged 182 — a 55-point (43%) gap, with Noida the more polluted and Bettiah the cleaner of the two. On 527 days when both cities reported, Bettiah was cleaner on 401 of them; the average daily gap was 98 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; Noida was 8.9% Severe and 16.5% Good-or-Satisfactory. Longest clean-air streaks: Bettiah 20 days, Noida 14 days.
Year-over-year progress
Bettiah has improved by 73 AQI points (36.5%) from 2021 to 2024; Noida has improved by 79 AQI points (30.3%) over the same window. The worst recorded day for Bettiah reached AQI 470 at Kamalnath Nagar (BSPCB) on 2023-01-01; Noida hit AQI 500 at Sector-1 (UPPCB) on 2019-11-01.
Station-level disparity
Bettiah spans 1 CPCB stations with a 0-point spread (min 173, max 173); Noida spans 4 stations with a 15-point spread (min 195, max 210).
Verdict
🏆 Noida has better air quality with an AQI of 126 compared to Bettiah's 233. That's a significant difference of 107 points.