Perundurai vs Sirsa
Side-by-side air quality comparison between Perundurai and Sirsa.
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 | Perundurai | Sirsa |
|---|---|---|
| PM2.5(µg/m³) | 6.80 | 63.80 |
| PM10(µg/m³) | 8.00 | 174.20 |
| NO₂(µg/m³) | 11.30 | 32.00 |
| SO₂(µg/m³) | 3.20 | 7.50 |
| O₃(µg/m³) | 32.00 | 41.00 |
| CO(µg/m³) | 159.00 | 317.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Perundurai averaged an AQI of 75 while Sirsa averaged 115 — a 40-point (53%) gap, with Sirsa the more polluted and Perundurai the cleaner of the two. On 38 days when both cities reported, Perundurai was cleaner on 38 of them; the average daily gap was 143 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Perundurai logged 0% Severe days and 80.7% Good-or-Satisfactory days; Sirsa was 0.5% Severe and 41.300000000000004% Good-or-Satisfactory. Longest clean-air streaks: Perundurai 13 days, Sirsa 40 days.
Year-over-year progress
The worst recorded day for Perundurai reached AQI 153 at SIPCOT Industrial Park (TNPCB) on 2024-11-12; Sirsa hit AQI 462 at F-Block (HSPCB) on 2019-11-01.
Station-level disparity
Perundurai spans 1 CPCB stations with a 0-point spread (min 75, max 75); Sirsa spans 1 stations with a 0-point spread (min 132, max 132).
Verdict
🏆 Perundurai has better air quality with an AQI of 11 compared to Sirsa's 150. That's a significant difference of 139 points.