Patna vs Sikar
Side-by-side air quality comparison between Patna 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 | Patna | Sikar |
|---|---|---|
| PM2.5(µg/m³) | 99.00 | 27.60 |
| PM10(µg/m³) | 111.80 | 68.20 |
| NO₂(µg/m³) | 49.30 | 12.80 |
| SO₂(µg/m³) | 18.10 | 5.40 |
| O₃(µg/m³) | 19.00 | 65.00 |
| CO(µg/m³) | 704.00 | 223.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Patna averaged an AQI of 172 while Sikar averaged 139 — a 33-point (24%) gap, with Patna the more polluted and Sikar the cleaner of the two. On 642 days when both cities reported, Sikar was cleaner on 581 of them; the average daily gap was 110 AQI points.
Seasonality & days
Patna peaks in December, while Sikar peaks in January. Patna logged 7.5% Severe days and 19.400000000000002% Good-or-Satisfactory days; Sikar was 0.2% Severe and 34% Good-or-Satisfactory. Longest clean-air streaks: Patna 30 days, Sikar 32 days.
Year-over-year progress
Patna has improved by 40 AQI points (18.9%) from 2016 to 2024; Sikar has worsened by 4 AQI points (3%) over the same window. The worst recorded day for Patna reached AQI 491 at IGSC Planetarium Complex (BSPCB) on 2016-01-01; Sikar hit AQI 452 at Radhakishan Pura (RSPCB) on 2023-11-16.
Station-level disparity
Patna spans 6 CPCB stations with a 39-point spread (min 154, max 193); Sikar spans 1 stations with a 0-point spread (min 137, max 137).
Verdict
🏆 Sikar has better air quality with an AQI of 69 compared to Patna's 231. That's a significant difference of 162 points.