Kārwār vs Siwan
Side-by-side air quality comparison between Kārwār and Siwan.
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 | Kārwār | Siwan |
|---|---|---|
| PM2.5(µg/m³) | 6.20 | 114.60 |
| PM10(µg/m³) | 15.80 | 125.70 |
| NO₂(µg/m³) | 0.70 | 44.50 |
| SO₂(µg/m³) | 0.40 | 15.40 |
| O₃(µg/m³) | 56.00 | 54.00 |
| CO(µg/m³) | 98.00 | 761.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kārwār averaged an AQI of 55 while Siwan averaged 148 — a 93-point (169%) gap, with Siwan the more polluted and Kārwār the cleaner of the two. On 172 days when both cities reported, Kārwār was cleaner on 170 of them; the average daily gap was 89 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Kārwār logged 0% Severe days and 92.7% Good-or-Satisfactory days; Siwan was 5.2% Severe and 17.7% Good-or-Satisfactory. Longest clean-air streaks: Kārwār 34 days, Siwan 13 days.
Year-over-year progress
Kārwār has improved by 72 AQI points (56.7%) from 2023 to 2024; Siwan has improved by 184 AQI points (55.4%) over the same window. The worst recorded day for Kārwār reached AQI 222 at KHB Colony (KSPCB) on 2023-12-21; Siwan hit AQI 488 at Chitragupta Nagar (BSPCB) on 2022-12-30.
Station-level disparity
Kārwār spans 1 CPCB stations with a 0-point spread (min 58, max 58); Siwan spans 1 stations with a 0-point spread (min 197, max 197).
Verdict
🏆 Kārwār has better air quality with an AQI of 16 compared to Siwan's 282. That's a significant difference of 266 points.