Nagapattinam vs Sirsa
Side-by-side air quality comparison between Nagapattinam 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 | Nagapattinam | Sirsa |
|---|---|---|
| PM2.5(µg/m³) | 12.00 | 63.80 |
| PM10(µg/m³) | 15.60 | 174.20 |
| NO₂(µg/m³) | 10.70 | 32.00 |
| SO₂(µg/m³) | 3.80 | 7.50 |
| O₃(µg/m³) | 35.00 | 41.00 |
| CO(µg/m³) | 206.00 | 317.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Nagapattinam averaged an AQI of 60 while Sirsa averaged 115 — a 55-point (92%) gap, with Sirsa the more polluted and Nagapattinam the cleaner of the two. On 32 days when both cities reported, Nagapattinam was cleaner on 32 of them; the average daily gap was 137 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Nagapattinam logged 0% Severe days and 91.5% Good-or-Satisfactory days; Sirsa was 0.5% Severe and 41.300000000000004% Good-or-Satisfactory. Longest clean-air streaks: Nagapattinam 8 days, Sirsa 40 days.
Year-over-year progress
The worst recorded day for Nagapattinam reached AQI 113 at Velippalayam (TNPCB) on 2024-12-16; Sirsa hit AQI 462 at F-Block (HSPCB) on 2019-11-01.
Station-level disparity
Nagapattinam spans 1 CPCB stations with a 0-point spread (min 60, max 60); Sirsa spans 1 stations with a 0-point spread (min 132, max 132).
Verdict
🏆 Nagapattinam has better air quality with an AQI of 20 compared to Sirsa's 150. That's a significant difference of 130 points.