Bhilwara vs Nagapattinam
Side-by-side air quality comparison between Bhilwara 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 | Bhilwara | Nagapattinam |
|---|---|---|
| PM2.5(µg/m³) | 22.20 | 12.50 |
| PM10(µg/m³) | 34.00 | 16.20 |
| NO₂(µg/m³) | 7.20 | 9.80 |
| SO₂(µg/m³) | 6.50 | 4.10 |
| O₃(µg/m³) | 56.00 | 38.00 |
| CO(µg/m³) | 148.00 | 211.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bhilwara averaged an AQI of 98 while Nagapattinam averaged 60 — a 38-point (63%) gap, with Bhilwara the more polluted and Nagapattinam the cleaner of the two. On 46 days when both cities reported, Nagapattinam was cleaner on 44 of them; the average daily gap was 76 AQI points.
Seasonality & days
Bhilwara peaks in December, while Nagapattinam peaks in November. Bhilwara logged 0% Severe days and 54.900000000000006% Good-or-Satisfactory days; Nagapattinam was 0% Severe and 91.5% Good-or-Satisfactory. Longest clean-air streaks: Bhilwara 35 days, Nagapattinam 8 days.
Year-over-year progress
The worst recorded day for Bhilwara reached AQI 331 at Pratap Nagar (RSPCB) on 2023-12-27; Nagapattinam hit AQI 113 at Velippalayam (TNPCB) on 2024-12-16.
Station-level disparity
Bhilwara spans 1 CPCB stations with a 0-point spread (min 111, max 111); Nagapattinam spans 1 stations with a 0-point spread (min 60, max 60).
Verdict
🏆 Nagapattinam has better air quality with an AQI of 21 compared to Bhilwara's 37.