Sirohi vs Thiruvananthapuram
Side-by-side air quality comparison between Sirohi and Thiruvananthapuram.
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 | Sirohi | Thiruvananthapuram |
|---|---|---|
| PM2.5(µg/m³) | 20.00 | 5.30 |
| PM10(µg/m³) | 34.70 | 9.50 |
| NO₂(µg/m³) | 4.30 | 1.50 |
| SO₂(µg/m³) | 2.90 | 0.40 |
| O₃(µg/m³) | 51.00 | 38.00 |
| CO(µg/m³) | 127.00 | 102.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Sirohi averaged an AQI of 89 while Thiruvananthapuram averaged 56 — a 33-point (59%) gap, with Sirohi the more polluted and Thiruvananthapuram the cleaner of the two. On 330 days when both cities reported, Thiruvananthapuram was cleaner on 206 of them; the average daily gap was 30 AQI points.
Seasonality & days
Sirohi peaks in December, while Thiruvananthapuram peaks in January. Sirohi logged 0% Severe days and 69.2% Good-or-Satisfactory days; Thiruvananthapuram was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Sirohi 41 days, Thiruvananthapuram 172 days.
Year-over-year progress
Sirohi has improved by 4 AQI points (4.3%) from 2023 to 2024; Thiruvananthapuram has improved by 11 AQI points (16.4%) over the same window. The worst recorded day for Sirohi reached AQI 335 at Vedhaynath Colony (RSPCB) on 2024-12-26; Thiruvananthapuram hit AQI 387 at Plammoodu Thiruvananthapuram (PCB) on 2021-08-30.
Station-level disparity
Sirohi spans 1 CPCB stations with a 0-point spread (min 90, max 90); Thiruvananthapuram spans 2 stations with a 7-point spread (min 57, max 64).
Verdict
🏆 Thiruvananthapuram has better air quality with an AQI of 10 compared to Sirohi's 35.