Bhopal vs Nagapattinam
Side-by-side air quality comparison between Bhopal 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 | Bhopal | Nagapattinam |
|---|---|---|
| PM2.5(µg/m³) | 32.40 | 11.20 |
| PM10(µg/m³) | 59.00 | 14.80 |
| NO₂(µg/m³) | 1.90 | 5.00 |
| SO₂(µg/m³) | 8.60 | 4.50 |
| O₃(µg/m³) | 111.00 | 66.00 |
| CO(µg/m³) | 242.00 | 208.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bhopal averaged an AQI of 114 while Nagapattinam averaged 60 — a 54-point (90%) gap, with Bhopal 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 139 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Bhopal logged 0% Severe days and 38.4% Good-or-Satisfactory days; Nagapattinam was 0% Severe and 91.5% Good-or-Satisfactory. Longest clean-air streaks: Bhopal 47 days, Nagapattinam 8 days.
Year-over-year progress
The worst recorded day for Bhopal reached AQI 392 at T T Nagar (MPPCB) on 2022-01-06; Nagapattinam hit AQI 113 at Velippalayam (TNPCB) on 2024-12-16.
Station-level disparity
Bhopal spans 3 CPCB stations with a 18-point spread (min 111, max 129); 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 Bhopal's 60.