Meerut vs Tirunelveli
Side-by-side air quality comparison between Meerut and Tirunelveli.
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 | Meerut | Tirunelveli |
|---|---|---|
| PM2.5(µg/m³) | 69.60 | 4.40 |
| PM10(µg/m³) | 96.40 | 5.20 |
| NO₂(µg/m³) | 27.40 | 5.50 |
| SO₂(µg/m³) | 11.00 | 1.80 |
| O₃(µg/m³) | 65.00 | 30.00 |
| CO(µg/m³) | 590.00 | 151.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Meerut averaged an AQI of 144 while Tirunelveli averaged 30 — a 114-point (380%) gap, with Meerut the more polluted and Tirunelveli the cleaner of the two. On 119 days when both cities reported, Tirunelveli was cleaner on 119 of them; the average daily gap was 145 AQI points.
Seasonality & days
Meerut peaks in November, while Tirunelveli peaks in October. Meerut logged 2% Severe days and 22.299999999999997% Good-or-Satisfactory days; Tirunelveli was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Meerut 25 days, Tirunelveli 31 days.
Year-over-year progress
The worst recorded day for Meerut reached AQI 490 at Pallavpuram Phase 2 (UPPCB) on 2020-11-05; Tirunelveli hit AQI 42 at Municipal Corporation Office (TNPCB) on 2024-10-30.
Station-level disparity
Meerut spans 3 CPCB stations with a 13-point spread (min 172, max 185); Tirunelveli spans 1 stations with a 0-point spread (min 30, max 30).
Verdict
🏆 Tirunelveli has better air quality with an AQI of 7 compared to Meerut's 133. That's a significant difference of 126 points.