Nagapattinam vs Sikar
Side-by-side air quality comparison between Nagapattinam and Sikar.
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 | Sikar |
|---|---|---|
| PM2.5(µg/m³) | 12.50 | 33.60 |
| PM10(µg/m³) | 16.20 | 88.20 |
| NO₂(µg/m³) | 9.80 | 9.00 |
| SO₂(µg/m³) | 4.10 | 5.70 |
| O₃(µg/m³) | 38.00 | 76.00 |
| CO(µg/m³) | 211.00 | 146.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Nagapattinam averaged an AQI of 60 while Sikar averaged 139 — a 79-point (132%) gap, with Sikar the more polluted and Nagapattinam the cleaner of the two. On 46 days when both cities reported, Nagapattinam was cleaner on 46 of them; the average daily gap was 138 AQI points.
Seasonality & days
Nagapattinam peaks in November, while Sikar peaks in January. Nagapattinam logged 0% Severe days and 91.5% Good-or-Satisfactory days; Sikar was 0.2% Severe and 34% Good-or-Satisfactory. Longest clean-air streaks: Nagapattinam 8 days, Sikar 32 days.
Year-over-year progress
The worst recorded day for Nagapattinam reached AQI 113 at Velippalayam (TNPCB) on 2024-12-16; Sikar hit AQI 452 at Radhakishan Pura (RSPCB) on 2023-11-16.
Station-level disparity
Nagapattinam spans 1 CPCB stations with a 0-point spread (min 60, max 60); Sikar spans 1 stations with a 0-point spread (min 137, max 137).
Verdict
🏆 Nagapattinam has better air quality with an AQI of 21 compared to Sikar's 88. That's a significant difference of 67 points.