Bikaner vs Nagapattinam
Side-by-side air quality comparison between Bikaner and Nagapattinam.
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 | Bikaner | Nagapattinam |
|---|---|---|
| PM2.5(µg/m³) | 35.90 | 11.50 |
| PM10(µg/m³) | 92.40 | 16.20 |
| NO₂(µg/m³) | 0.40 | 1.50 |
| SO₂(µg/m³) | 2.60 | 3.10 |
| O₃(µg/m³) | 99.00 | 100.00 |
| CO(µg/m³) | 131.00 | 174.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bikaner averaged an AQI of 154 while Nagapattinam averaged 60 — a 94-point (157%) gap, with Bikaner the more polluted and Nagapattinam the cleaner of the two. On 47 days when both cities reported, Nagapattinam was cleaner on 47 of them; the average daily gap was 114 AQI points.
Seasonality & days
Bikaner peaks in January, while Nagapattinam peaks in November. Bikaner logged 0.1% Severe days and 21.6% Good-or-Satisfactory days; Nagapattinam was 0% Severe and 91.5% Good-or-Satisfactory. Longest clean-air streaks: Bikaner 15 days, Nagapattinam 8 days.
Year-over-year progress
The worst recorded day for Bikaner reached AQI 403 at MM Ground (RSPCB) on 2024-11-17; Nagapattinam hit AQI 113 at Velippalayam (TNPCB) on 2024-12-16.
Station-level disparity
Bikaner spans 1 CPCB stations with a 0-point spread (min 162, max 162); Nagapattinam spans 1 stations with a 0-point spread (min 60, max 60).
Verdict
🏆 Nagapattinam has better air quality with an AQI of 19 compared to Bikaner's 93. That's a significant difference of 74 points.