Tiruchirappalli vs Varanasi
Side-by-side air quality comparison between Tiruchirappalli and Varanasi.
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 | Tiruchirappalli | Varanasi |
|---|---|---|
| PM2.5(µg/m³) | 5.60 | 43.90 |
| PM10(µg/m³) | 6.40 | 53.10 |
| NO₂(µg/m³) | 6.80 | 33.30 |
| SO₂(µg/m³) | 3.40 | 32.00 |
| O₃(µg/m³) | 40.00 | 30.00 |
| CO(µg/m³) | 134.00 | 422.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Tiruchirappalli averaged an AQI of 50 while Varanasi averaged 56 — a 6-point (12%) gap, with Varanasi the more polluted and Tiruchirappalli the cleaner of the two. On 82 days when both cities reported, Tiruchirappalli was cleaner on 72 of them; the average daily gap was 49 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Tiruchirappalli logged 0% Severe days and 96.5% Good-or-Satisfactory days; Varanasi was 2.8% Severe and 36% Good-or-Satisfactory. Longest clean-air streaks: Tiruchirappalli 46 days, Varanasi 87 days.
Year-over-year progress
Tiruchirappalli has improved by 23 AQI points (31.5%) from 2023 to 2024; Varanasi has improved by 169 AQI points (75.1%) over the same window. The worst recorded day for Tiruchirappalli reached AQI 114 at St Joseph College (TNPCB) on 2024-01-14; Varanasi hit AQI 500 at Ardhali Bazar (UPPCB) on 2017-07-11.
Station-level disparity
Tiruchirappalli spans 1 CPCB stations with a 0-point spread (min 52, max 52); Varanasi spans 4 stations with a 94-point spread (min 71, max 165).
Verdict
🏆 Tiruchirappalli has better air quality with an AQI of 9 compared to Varanasi's 74. That's a significant difference of 65 points.