Agra vs Shillong
Side-by-side air quality comparison between Agra and Shillong.
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 | Agra | Shillong |
|---|---|---|
| PM2.5(µg/m³) | 59.60 | 18.30 |
| PM10(µg/m³) | 155.50 | 21.80 |
| NO₂(µg/m³) | 23.30 | 3.60 |
| SO₂(µg/m³) | 9.70 | 6.20 |
| O₃(µg/m³) | 51.00 | 109.00 |
| CO(µg/m³) | 585.00 | 309.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Agra averaged an AQI of 79 while Shillong averaged 75 — a 4-point (5%) gap, with Agra the more polluted and Shillong the cleaner of the two. On 976 days when both cities reported, Shillong was cleaner on 893 of them; the average daily gap was 108 AQI points.
Seasonality & days
Agra peaks in January, while Shillong peaks in February. Agra logged 3.3% Severe days and 34.9% Good-or-Satisfactory days; Shillong was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Agra 46 days, Shillong 113 days.
Year-over-year progress
Agra has improved by 134 AQI points (62.9%) from 2016 to 2024; Shillong has worsened by 41 AQI points (120.6%) over the same window. The worst recorded day for Agra reached AQI 500 at Sanjay Palace (UPPCB) on 2017-06-03; Shillong hit AQI 212 at Lumpyngngad Shillong (PCB) on 2024-02-19.
Station-level disparity
Agra spans 6 CPCB stations with a 83-point spread (min 79, max 162); Shillong spans 2 stations with a 2-point spread (min 42, max 44).
Verdict
🏆 Shillong has better air quality with an AQI of 31 compared to Agra's 138. That's a significant difference of 107 points.