Air Quality in Baltimore, United States
Clear
15.4°C · 49.4% humidity
15.4°
Feels 15.4°
32
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
AQI Forecast
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Air Quality Index Trend
44h · 21 stnBaltimore's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
49.4%
Humidity
24.5 km/h
Wind E
1022.0 hPa
Pressure
0.0
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
7.7 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Baltimore?
Temperature & Precipitation
PM2.5 Trend
44h · 21 stationsPM2.57.7 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.0
Low
Station readings (2 stations within 25 km)
7.7
Median
7.7
Average
5.3
Low
10.1
High
PM2.5 µg/m³ · Model: 6.5 · Bias: -1.2
What is the 7-day forecast for Baltimore?
10-20
15.4° 7.2°
4.69 mm
10-21
23.1° 8.9°
0.06 mm
10-22
18.2° 12.8°
0.56 mm
10-23
16.8° 8.5°
10-24
17.4° 11.9°
10-25
20.7° 8.5°
0.25 mm
10-26
14.6° 12.8°
7.0 mm
Both models agree
Avg diff: 3.8°C
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-10-20T20:05 UTC.