Karur vs Sirohi
Side-by-side air quality comparison between Karur and Sirohi.
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 | Karur | Sirohi |
|---|---|---|
| PM2.5(µg/m³) | 3.80 | 20.00 |
| PM10(µg/m³) | 4.20 | 34.70 |
| NO₂(µg/m³) | 6.80 | 4.30 |
| SO₂(µg/m³) | 3.00 | 2.90 |
| O₃(µg/m³) | 38.00 | 51.00 |
| CO(µg/m³) | 131.00 | 127.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Karur averaged an AQI of 71 while Sirohi averaged 89 — a 18-point (25%) gap, with Sirohi the more polluted and Karur the cleaner of the two. On 69 days when both cities reported, Karur was cleaner on 52 of them; the average daily gap was 30 AQI points.
Seasonality & days
Both cities see their worst air in December on average. Karur logged 0% Severe days and 80.3% Good-or-Satisfactory days; Sirohi was 0% Severe and 69.2% Good-or-Satisfactory. Longest clean-air streaks: Karur 34 days, Sirohi 41 days.
Year-over-year progress
The worst recorded day for Karur reached AQI 149 at Kamadenu Nagar (TNPCB) on 2024-11-26; Sirohi hit AQI 335 at Vedhaynath Colony (RSPCB) on 2024-12-26.
Station-level disparity
Karur spans 1 CPCB stations with a 0-point spread (min 71, max 71); Sirohi spans 1 stations with a 0-point spread (min 90, max 90).
Verdict
🏆 Karur has better air quality with an AQI of 6 compared to Sirohi's 35.