Hyderabad vs Patna
Side-by-side air quality comparison between Hyderabad and Patna.
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 | Hyderabad | Patna |
|---|---|---|
| PM2.5(µg/m³) | 19.90 | 99.00 |
| PM10(µg/m³) | 27.50 | 111.80 |
| NO₂(µg/m³) | 11.90 | 49.30 |
| SO₂(µg/m³) | 5.60 | 18.10 |
| O₃(µg/m³) | 58.00 | 19.00 |
| CO(µg/m³) | 232.00 | 704.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hyderabad averaged an AQI of 78 while Patna averaged 172 — a 94-point (121%) gap, with Patna the more polluted and Hyderabad the cleaner of the two. On 2367 days when both cities reported, Hyderabad was cleaner on 2047 of them; the average daily gap was 109 AQI points.
Seasonality & days
Both cities see their worst air in December on average. Hyderabad logged 0.2% Severe days and 41.6% Good-or-Satisfactory days; Patna was 7.5% Severe and 19.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Hyderabad 71 days, Patna 30 days.
Year-over-year progress
Hyderabad has improved by 24 AQI points (23.5%) from 2016 to 2024; Patna has improved by 40 AQI points (18.9%) over the same window. The worst recorded day for Hyderabad reached AQI 500 at Sanathnagar (TSPCB) on 2024-04-28; Patna hit AQI 491 at IGSC Planetarium Complex (BSPCB) on 2016-01-01.
Station-level disparity
Hyderabad spans 14 CPCB stations with a 35-point spread (min 62, max 97); Patna spans 6 stations with a 39-point spread (min 154, max 193).
Verdict
🏆 Hyderabad has better air quality with an AQI of 33 compared to Patna's 231. That's a significant difference of 198 points.