Guwahati vs Gwalior
Side-by-side air quality comparison between Guwahati 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 | Guwahati | Gwalior |
|---|---|---|
| PM2.5(µg/m³) | 31.90 | 39.10 |
| PM10(µg/m³) | 36.00 | 89.40 |
| NO₂(µg/m³) | 5.40 | 12.30 |
| SO₂(µg/m³) | 4.20 | 6.20 |
| O₃(µg/m³) | 97.00 | 61.00 |
| CO(µg/m³) | 393.00 | 248.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Guwahati averaged an AQI of 123 while Gwalior averaged 136 — a 13-point (11%) gap, with Gwalior the more polluted and Guwahati the cleaner of the two. On 1389 days when both cities reported, Guwahati was cleaner on 851 of them; the average daily gap was 68 AQI points.
Seasonality & days
Guwahati peaks in January, while Gwalior peaks in November. Guwahati logged 0.1% Severe days and 44.9% Good-or-Satisfactory days; Gwalior was 0.4% Severe and 31.5% Good-or-Satisfactory. Longest clean-air streaks: Guwahati 105 days, Gwalior 47 days.
Year-over-year progress
Guwahati has worsened by 14 AQI points (12.8%) from 2019 to 2024; Gwalior has improved by 12 AQI points (8.1%) over the same window. The worst recorded day for Guwahati reached AQI 420 at Railway Colony (PCBA) on 2023-01-15; Gwalior hit AQI 450 at City Center (MPPCB) on 2021-11-09.
Station-level disparity
Guwahati spans 4 CPCB stations with a 26-point spread (min 118, max 144); Gwalior spans 4 stations with a 53-point spread (min 112, max 165).
Verdict
🏆 Guwahati has better air quality with an AQI of 54 compared to Gwalior's 90.