Bulandshahr vs Thanjavur
Side-by-side air quality comparison between Bulandshahr and Thanjavur.
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 | Bulandshahr | Thanjavur |
|---|---|---|
| PM2.5(µg/m³) | 71.70 | 12.00 |
| PM10(µg/m³) | 108.50 | 13.70 |
| NO₂(µg/m³) | 30.30 | 9.70 |
| SO₂(µg/m³) | 10.30 | 3.90 |
| O₃(µg/m³) | 60.00 | 38.00 |
| CO(µg/m³) | 488.00 | 163.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bulandshahr averaged an AQI of 142 while Thanjavur averaged 42 — a 100-point (238%) gap, with Bulandshahr the more polluted and Thanjavur the cleaner of the two. On 70 days when both cities reported, Thanjavur was cleaner on 70 of them; the average daily gap was 165 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Bulandshahr logged 3.2% Severe days and 27.099999999999998% Good-or-Satisfactory days; Thanjavur was 0% Severe and 98.60000000000001% Good-or-Satisfactory. Longest clean-air streaks: Bulandshahr 41 days, Thanjavur 21 days.
Year-over-year progress
The worst recorded day for Bulandshahr reached AQI 500 at Yamunapuram (UPPCB) on 2018-06-13; Thanjavur hit AQI 140 at Parisutham Nagar (TNPCB) on 2024-11-01.
Station-level disparity
Bulandshahr spans 1 CPCB stations with a 0-point spread (min 180, max 180); Thanjavur spans 1 stations with a 0-point spread (min 42, max 42).
Verdict
🏆 Thanjavur has better air quality with an AQI of 20 compared to Bulandshahr's 140. That's a significant difference of 120 points.