PM2.5 Daily Calendar
Showing a six-month window starting Jul 1, 2024.
Real-Time
Beta
Historical Data
Area Map
City Map
Analytics
Calendar Daily
Info
About
FAQ
Baltimore
Air Quality Dashboard
Real-Time
Beta
Historical Data
Area Map
City Map
Analytics
Calendar Daily
Info
About
FAQ
Good
Moderate
Unhealthy for Sensitive Groups
Unhealthy
Very Unhealthy
Hazardous
Good
0-9.0
Moderate
9.1-35.4
Unhealthy for Sensitive Groups
35.5-55.4
Unhealthy
55.5-125.4
Very Unhealthy
125.5-225.4
Hazardous
225.5-260
July 2024 — December 2024
July 2024
Su
Mo
Tu
We
Th
Fr
Sa
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31
August 2024
Su
Mo
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Sa
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31
September 2024
Su
Mo
Tu
We
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Sa
1
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October 2024
Su
Mo
Tu
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Sa
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November 2024
Su
Mo
Tu
We
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Sa
1
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30
December 2024
Su
Mo
Tu
We
Th
Fr
Sa
1
2
3
4
5
6
7
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9
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31
Jul 1, 2024
—
Jun 30, 2025
Jul 1, 2024–Jun 30, 2025