Salem vs Sirsa
Side-by-side air quality comparison between Salem 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 | Salem | Sirsa |
|---|---|---|
| PM2.5(µg/m³) | 13.70 | 70.50 |
| PM10(µg/m³) | 16.40 | 238.00 |
| NO₂(µg/m³) | 15.30 | 27.50 |
| SO₂(µg/m³) | 9.30 | 8.40 |
| O₃(µg/m³) | 37.00 | 54.00 |
| CO(µg/m³) | 240.00 | 316.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Salem averaged an AQI of 68 while Sirsa averaged 115 — a 47-point (69%) gap, with Sirsa the more polluted and Salem the cleaner of the two. On 173 days when both cities reported, Salem was cleaner on 142 of them; the average daily gap was 67 AQI points.
Seasonality & days
Salem peaks in April, while Sirsa peaks in November. Salem logged 0% Severe days and 87.1% Good-or-Satisfactory days; Sirsa was 0.5% Severe and 41.300000000000004% Good-or-Satisfactory. Longest clean-air streaks: Salem 17 days, Sirsa 40 days.
Year-over-year progress
Salem has improved by 5 AQI points (6.8%) from 2022 to 2024; Sirsa has improved by 48 AQI points (29.4%) over the same window. The worst recorded day for Salem reached AQI 214 at Sona College of Technology (TNPCB) on 2024-01-15; Sirsa hit AQI 462 at F-Block (HSPCB) on 2019-11-01.
Station-level disparity
Salem spans 1 CPCB stations with a 0-point spread (min 73, max 73); Sirsa spans 1 stations with a 0-point spread (min 132, max 132).
Verdict
🏆 Salem has better air quality with an AQI of 23 compared to Sirsa's 192. That's a significant difference of 169 points.