Bettiah vs Sikar
Side-by-side air quality comparison between Bettiah and Sikar.
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 | Sikar |
|---|---|---|
| PM2.5(µg/m³) | 105.00 | 33.60 |
| PM10(µg/m³) | 116.60 | 88.20 |
| NO₂(µg/m³) | 41.60 | 9.00 |
| SO₂(µg/m³) | 13.00 | 5.70 |
| O₃(µg/m³) | 55.00 | 76.00 |
| CO(µg/m³) | 1389.00 | 146.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bettiah averaged an AQI of 127 while Sikar averaged 139 — a 12-point (9%) gap, with Sikar the more polluted and Bettiah the cleaner of the two. On 448 days when both cities reported, Sikar was cleaner on 228 of them; the average daily gap was 61 AQI points.
Seasonality & days
Bettiah peaks in November, while Sikar peaks in January. Bettiah logged 3.2% Severe days and 32.3% Good-or-Satisfactory days; Sikar was 0.2% Severe and 34% Good-or-Satisfactory. Longest clean-air streaks: Bettiah 20 days, Sikar 32 days.
Year-over-year progress
Bettiah has improved by 73 AQI points (36.5%) from 2021 to 2024; Sikar has worsened by 4 AQI points (3%) over the same window. The worst recorded day for Bettiah reached AQI 470 at Kamalnath Nagar (BSPCB) on 2023-01-01; Sikar hit AQI 452 at Radhakishan Pura (RSPCB) on 2023-11-16.
Station-level disparity
Bettiah spans 1 CPCB stations with a 0-point spread (min 173, max 173); Sikar spans 1 stations with a 0-point spread (min 137, max 137).
Verdict
🏆 Sikar has better air quality with an AQI of 88 compared to Bettiah's 251. That's a significant difference of 163 points.