Air Quality History for Back Bay, United States
Historical PM2.5 and AQI trend from monitoring stations near Back Bay, United States.
55
Current AQI
Moderate Station
Moderate Station
Air Quality Index Station
217hPM2.5 Station
217h · 1 stationTemperature GFS model
56ptPrecipitation GFS model
mm/dayDaily Summary Station
| Date | AQI | Range | PM2.5 avg | PM10 avg | Hours | Stations |
|---|---|---|---|---|---|---|
| 2026-07-21 | 46 | 20–85 | 12.5 µg/m³ | 13.0 | 23h | 1 |
| 2026-07-20 | 24 | 10–60 | 5.9 µg/m³ | 5.8 | 24h | 1 |
| 2026-07-19 | 59 | 8–161 | 19.6 µg/m³ | 21.6 | 24h | 1 |
| 2026-07-18 | 98 | 13–173 | 42.6 µg/m³ | 46.7 | 24h | 1 |
| 2026-07-17 | 16 | 10–23 | 3.9 µg/m³ | 4.1 | 8h | 1 |
| 2026-07-15 | 78 | 67–98 | 25.0 µg/m³ | 26.4 | 9h | 1 |
| 2026-07-14 | 60 | 41–75 | 16.5 µg/m³ | 16.8 | 24h | 1 |
| 2026-07-13 | 52 | 31–68 | 13.8 µg/m³ | 14.2 | 24h | 1 |
| 2026-07-12 | 42 | 15–74 | 11.1 µg/m³ | 11.4 | 24h | 1 |
| 2026-07-11 | 56 | 26–79 | 15.4 µg/m³ | 15.9 | 24h | 1 |
| 2026-07-10 | 20 | 7–29 | 4.9 µg/m³ | 5.0 | 7h | 1 |
| 2026-07-08 | 45 | 45–45 | 10.9 µg/m³ | 11.7 | 1h | 1 |
| 2026-07-07 | 33 | 33–33 | 7.8 µg/m³ | 7.8 | 1h | 1 |