Bikaner vs Shillong
Side-by-side air quality comparison between Bikaner 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 | Bikaner | Shillong |
|---|---|---|
| PM2.5(µg/m³) | 67.50 | 17.90 |
| PM10(µg/m³) | 210.00 | 21.40 |
| NO₂(µg/m³) | 3.50 | 3.10 |
| SO₂(µg/m³) | 2.20 | 6.20 |
| O₃(µg/m³) | 52.00 | 118.00 |
| CO(µg/m³) | 146.00 | 304.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bikaner averaged an AQI of 154 while Shillong averaged 75 — a 79-point (105%) gap, with Bikaner the more polluted and Shillong the cleaner of the two. On 191 days when both cities reported, Shillong was cleaner on 176 of them; the average daily gap was 88 AQI points.
Seasonality & days
Bikaner peaks in January, while Shillong peaks in February. Bikaner logged 0.1% Severe days and 21.6% Good-or-Satisfactory days; Shillong was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Bikaner 15 days, Shillong 113 days.
Year-over-year progress
Bikaner has improved by 16 AQI points (9.4%) from 2023 to 2024; Shillong has worsened by 41 AQI points (120.6%) over the same window. The worst recorded day for Bikaner reached AQI 403 at MM Ground (RSPCB) on 2024-11-17; Shillong hit AQI 212 at Lumpyngngad Shillong (PCB) on 2024-02-19.
Station-level disparity
Bikaner spans 1 CPCB stations with a 0-point spread (min 162, 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 30 compared to Bikaner's 174. That's a significant difference of 144 points.