Guwahati vs Sikar
Side-by-side air quality comparison between Guwahati and Sikar.
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 | Sikar |
|---|---|---|
| PM2.5(µg/m³) | 31.90 | 33.60 |
| PM10(µg/m³) | 36.00 | 88.20 |
| NO₂(µg/m³) | 5.40 | 9.00 |
| SO₂(µg/m³) | 4.20 | 5.70 |
| O₃(µg/m³) | 97.00 | 76.00 |
| CO(µg/m³) | 393.00 | 146.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Guwahati averaged an AQI of 123 while Sikar averaged 139 — a 16-point (13%) gap, with Sikar the more polluted and Guwahati the cleaner of the two. On 638 days when both cities reported, Sikar was cleaner on 360 of them; the average daily gap was 60 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Guwahati logged 0.1% Severe days and 44.9% Good-or-Satisfactory days; Sikar was 0.2% Severe and 34% Good-or-Satisfactory. Longest clean-air streaks: Guwahati 105 days, Sikar 32 days.
Year-over-year progress
Guwahati has worsened by 14 AQI points (12.8%) from 2019 to 2024; Sikar has worsened by 4 AQI points (3%) over the same window. The worst recorded day for Guwahati reached AQI 420 at Railway Colony (PCBA) on 2023-01-15; Sikar hit AQI 452 at Radhakishan Pura (RSPCB) on 2023-11-16.
Station-level disparity
Guwahati spans 4 CPCB stations with a 26-point spread (min 118, max 144); Sikar spans 1 stations with a 0-point spread (min 137, max 137).
Verdict
🏆 Guwahati has better air quality with an AQI of 54 compared to Sikar's 88.