Agra vs Howrah
Side-by-side air quality comparison between Agra and Howrah.
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 | Agra | Howrah |
|---|---|---|
| PM2.5(µg/m³) | 59.40 | 64.70 |
| PM10(µg/m³) | 153.20 | 69.40 |
| NO₂(µg/m³) | 20.30 | 18.10 |
| SO₂(µg/m³) | 10.40 | 13.10 |
| O₃(µg/m³) | 73.00 | 86.00 |
| CO(µg/m³) | 546.00 | 421.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Agra averaged an AQI of 79 while Howrah averaged 126 — a 47-point (59%) gap, with Howrah the more polluted and Agra the cleaner of the two. On 2267 days when both cities reported, Howrah was cleaner on 1196 of them; the average daily gap was 77 AQI points.
Seasonality & days
Agra peaks in January, while Howrah peaks in December. Agra logged 3.3% Severe days and 34.9% Good-or-Satisfactory days; Howrah was 0.7% Severe and 48.7% Good-or-Satisfactory. Longest clean-air streaks: Agra 46 days, Howrah 120 days.
Year-over-year progress
Agra has improved by 134 AQI points (62.9%) from 2016 to 2024; Howrah has improved by 32 AQI points (20.3%) over the same window. The worst recorded day for Agra reached AQI 500 at Sanjay Palace (UPPCB) on 2017-06-03; Howrah hit AQI 500 at Ghusuri (WBPCB) on 2017-04-15.
Station-level disparity
Agra spans 6 CPCB stations with a 83-point spread (min 79, max 162); Howrah spans 5 stations with a 116-point spread (min 111, max 227).
Verdict
🏆 Howrah has better air quality with an AQI of 117 compared to Agra's 136.