48-hour forecast
How the air is expected to change over the next two days.
Modelled hourly outlook
Same basis as the dashboard (CAMS air-quality model). Most reliable over the next 24 hours (solid line); the 24–48 h tail is a lower-confidence trend (dashed).
CAMS · our-calc
48 hours ahead
Predicted air quality
US AQI · PM2.5 µg/m³
Hourly breakdown
| Time | PM2.5 (μg/m³) | PM10 (μg/m³) | AQI | Level |
|---|---|---|---|---|
| Today | ||||
| 3:00 PM | 0.0 | 0.1 | 13 | Good |
| 4:00 PM | 0.0 | 0.0 | 15 | Good |
| 5:00 PM | 0.1 | 0.1 | 16 | Good |
| 6:00 PM | 0.2 | 0.2 | 18 | Good |
| 7:00 PM | 0.2 | 0.2 | 19 | Good |
| 8:00 PM | 0.3 | 0.3 | 20 | Good |
| 9:00 PM | 0.4 | 0.4 | 22 | Good |
| 10:00 PM | 0.4 | 0.4 | 24 | Good |
| 11:00 PM | 0.4 | 0.4 | 24 | Good |
| Tomorrow | ||||
| 12:00 AM | 0.3 | 0.3 | 25 | Good |
| 1:00 AM | 0.4 | 0.4 | 26 | Good |
| 2:00 AM | 0.5 | 0.5 | 26 | Good |
| 3:00 AM | 0.6 | 0.6 | 26 | Good |
| 4:00 AM | 0.7 | 0.7 | 24 | Good |
| 5:00 AM | 0.8 | 0.8 | 23 | Good |
| 6:00 AM | 0.9 | 1.0 | 23 | Good |
| 7:00 AM | 1.4 | 1.4 | 23 | Good |
| 8:00 AM | 1.5 | 1.6 | 24 | Good |
| 9:00 AM | 1.6 | 1.7 | 27 | Good |
| 10:00 AM | 1.2 | 1.3 | 29 | Good |
| 11:00 AM | 1.1 | 1.2 | 31 | Good |
| 12:00 PM | 0.8 | 0.9 | 32 | Good |
| 1:00 PM | 1.0 | 1.0 | 34 | Good |
| 2:00 PM | 1.0 | 1.0 | 35 | Good |
| 3:00 PM | 1.0 | 1.0 | 35 | Good |
| 4:00 PM | 0.9 | 0.9 | 35 | Good |
| 5:00 PM | 0.8 | 0.9 | 33 | Good |
| 6:00 PM | 1.3 | 1.4 | 31 | Good |
| 7:00 PM | 2.2 | 2.2 | 29 | Good |
| 8:00 PM | 2.7 | 2.7 | 29 | Good |
| 9:00 PM | 3.2 | 3.2 | 30 | Good |
| 10:00 PM | 3.6 | 3.6 | 30 | Good |
| 11:00 PM | 4.1 | 4.1 | 28 | Good |
| Mon, Nov 16 | ||||
| 12:00 AM | 5.2 | 5.3 | 25 | Good |
| 1:00 AM | 6.2 | 6.3 | 26 | Good |
| 2:00 AM | 6.5 | 6.6 | 27 | Good |
| 3:00 AM | 6.9 | 7.0 | 29 | Good |
| 4:00 AM | 7.6 | 7.8 | 32 | Good |
| 5:00 AM | 9.2 | 9.4 | 38 | Good |
| 6:00 AM | 10.8 | 11.0 | 45 | Good |
| 7:00 AM | 12.5 | 12.7 | 52 | Moderate |
| 8:00 AM | 13.3 | 13.4 | 54 | Moderate |
| 9:00 AM | 12.7 | 12.7 | 52 | Moderate |
| 10:00 AM | 11.8 | 11.9 | 49 | Good |
| 11:00 AM | 10.6 | 10.6 | 44 | Good |
| 12:00 PM | 8.7 | 8.8 | 36 | Good |
| 1:00 PM | 7.6 | 7.7 | 32 | Good |
| 2:00 PM | 7.4 | 7.5 | 31 | Good |