Bareilly vs Coimbatore
Side-by-side air quality comparison between Bareilly and Coimbatore.
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 | Bareilly | Coimbatore |
|---|---|---|
| PM2.5(µg/m³) | 62.60 | 2.70 |
| PM10(µg/m³) | 85.70 | 2.90 |
| NO₂(µg/m³) | 26.50 | 4.50 |
| SO₂(µg/m³) | 8.90 | 2.20 |
| O₃(µg/m³) | 84.00 | 43.00 |
| CO(µg/m³) | 816.00 | 159.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bareilly averaged an AQI of 61 while Coimbatore averaged 66 — a 5-point (8%) gap, with Coimbatore the more polluted and Bareilly the cleaner of the two. On 433 days when both cities reported, Coimbatore was cleaner on 266 of them; the average daily gap was 39 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Bareilly logged 0% Severe days and 73.1% Good-or-Satisfactory days; Coimbatore was 0% Severe and 90.5% Good-or-Satisfactory. Longest clean-air streaks: Bareilly 51 days, Coimbatore 32 days.
Year-over-year progress
Bareilly has improved by 50 AQI points (45%) from 2022 to 2024; Coimbatore has improved by 5 AQI points (7%) over the same window. The worst recorded day for Bareilly reached AQI 292 at Rajendra Nagar (UPPCB) on 2022-11-03; Coimbatore hit AQI 279 at SIDCO Kurichi (TNPCB) on 2024-09-28.
Station-level disparity
Bareilly spans 2 CPCB stations with a 12-point spread (min 71, max 83); Coimbatore spans 2 stations with a 1-point spread (min 63, max 64).
Verdict
🏆 Coimbatore has better air quality with an AQI of 5 compared to Bareilly's 110. That's a significant difference of 105 points.