Chapra vs Gwalior
Side-by-side air quality comparison between Chapra and Gwalior.
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 | Gwalior |
|---|---|---|
| PM2.5(µg/m³) | 99.00 | 40.70 |
| PM10(µg/m³) | 115.50 | 97.60 |
| NO₂(µg/m³) | 53.70 | 14.70 |
| SO₂(µg/m³) | 13.70 | 5.70 |
| O₃(µg/m³) | 10.00 | 49.00 |
| CO(µg/m³) | 858.00 | 247.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chapra averaged an AQI of 149 while Gwalior averaged 136 — a 13-point (10%) gap, with Chapra the more polluted and Gwalior the cleaner of the two. On 612 days when both cities reported, Gwalior was cleaner on 350 of them; the average daily gap was 71 AQI points.
Seasonality & days
Chapra peaks in January, while Gwalior peaks in November. Chapra logged 2.4% Severe days and 26.8% Good-or-Satisfactory days; Gwalior was 0.4% Severe and 31.5% Good-or-Satisfactory. Longest clean-air streaks: Chapra 14 days, Gwalior 47 days.
Year-over-year progress
Chapra has improved by 181 AQI points (54.8%) from 2021 to 2024; Gwalior has improved by 12 AQI points (8.1%) over the same window. The worst recorded day for Chapra reached AQI 452 at Darshan Nagar (BSPCB) on 2022-12-20; Gwalior hit AQI 450 at City Center (MPPCB) on 2021-11-09.
Station-level disparity
Chapra spans 1 CPCB stations with a 0-point spread (min 195, max 195); Gwalior spans 4 stations with a 53-point spread (min 112, max 165).
Verdict
🏆 Gwalior has better air quality with an AQI of 98 compared to Chapra's 231. That's a significant difference of 133 points.