Chapra vs Sirohi
Side-by-side air quality comparison between Chapra and Sirohi.
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 | Chapra | Sirohi |
|---|---|---|
| PM2.5(µg/m³) | 102.90 | 20.00 |
| PM10(µg/m³) | 117.10 | 34.70 |
| NO₂(µg/m³) | 42.70 | 4.30 |
| SO₂(µg/m³) | 15.30 | 2.90 |
| O₃(µg/m³) | 46.00 | 51.00 |
| CO(µg/m³) | 805.00 | 127.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chapra averaged an AQI of 149 while Sirohi averaged 89 — a 60-point (67%) gap, with Chapra the more polluted and Sirohi the cleaner of the two. On 486 days when both cities reported, Sirohi was cleaner on 397 of them; the average daily gap was 89 AQI points.
Seasonality & days
Chapra peaks in January, while Sirohi peaks in December. Chapra logged 2.4% Severe days and 26.8% Good-or-Satisfactory days; Sirohi was 0% Severe and 69.2% Good-or-Satisfactory. Longest clean-air streaks: Chapra 14 days, Sirohi 41 days.
Year-over-year progress
Chapra has improved by 181 AQI points (54.8%) from 2021 to 2024; Sirohi has improved by 4 AQI points (4.3%) over the same window. The worst recorded day for Chapra reached AQI 452 at Darshan Nagar (BSPCB) on 2022-12-20; Sirohi hit AQI 335 at Vedhaynath Colony (RSPCB) on 2024-12-26.
Station-level disparity
Chapra spans 1 CPCB stations with a 0-point spread (min 195, max 195); Sirohi spans 1 stations with a 0-point spread (min 90, max 90).
Verdict
🏆 Sirohi has better air quality with an AQI of 35 compared to Chapra's 244. That's a significant difference of 209 points.