Nagapattinam vs Ujjain
Side-by-side air quality comparison between Nagapattinam and Ujjain.
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 | Ujjain |
|---|---|---|
| PM2.5(µg/m³) | 12.00 | 32.40 |
| PM10(µg/m³) | 15.60 | 47.70 |
| NO₂(µg/m³) | 10.70 | 6.80 |
| SO₂(µg/m³) | 3.80 | 13.70 |
| O₃(µg/m³) | 35.00 | 66.00 |
| CO(µg/m³) | 206.00 | 215.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Nagapattinam averaged an AQI of 60 while Ujjain averaged 116 — a 56-point (93%) gap, with Ujjain the more polluted and Nagapattinam the cleaner of the two. On 46 days when both cities reported, Nagapattinam was cleaner on 43 of them; the average daily gap was 77 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; Ujjain was 0.1% Severe and 33.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Nagapattinam 8 days, Ujjain 67 days.
Year-over-year progress
The worst recorded day for Nagapattinam reached AQI 113 at Velippalayam (TNPCB) on 2024-12-16; Ujjain hit AQI 500 at Mahakaleshwar Temple (MPPCB) on 2023-03-10.
Station-level disparity
Nagapattinam spans 1 CPCB stations with a 0-point spread (min 60, max 60); Ujjain spans 1 stations with a 0-point spread (min 131, max 131).
Verdict
🏆 Nagapattinam has better air quality with an AQI of 20 compared to Ujjain's 55.