Baltimore, MD AQI

Baltimore, MD air quality (mostly 🤖). Data via @AirNow (not affiliated). Since 2013 – @AQeye – see for more locations

[Baltimore, MD AQI @BaltimoreAIR]

🤖Prelim AirNow AQI (21201, 14:03) O₃=44 (Good) #mdwx

There's an app for this: https://t.co/UcfglKBbCc

[Baltimore, MD AQI @BaltimoreAIR]

🤖Prelim AirNow AQI (21201, 13:03) O₃=43 (Good) #mdwx

[Baltimore, MD AQI @BaltimoreAIR]

🤖Prelim AirNow AQI (21201, 12:02) O₃=40 (Good) PM2.5=33 (Good) #mdwx

[Baltimore, MD AQI @BaltimoreAIR]

🤖Prelim AirNow AQI (21201, 11:02) O₃=36 (Good) PM2.5=33 (Good) #mdwx

[Baltimore, MD AQI @BaltimoreAIR]

🤖Prelim AirNow AQI (21201, 10:02) O₃=34 (Good) PM2.5=33 (Good) #mdwx

Winter is poor #AirQuality time in many areas. Grab the app now: https://t.co/UcfglKBbCc

[Baltimore, MD AQI @BaltimoreAIR]

🤖Prelim AirNow AQI (21201, 09:02) O₃=32 (Good↘) PM2.5=28 (Good) #mdwx

Winter is poor #AirQuality time in many areas. Grab the app now: https://t.co/UcfglKBbCc

[Baltimore, MD AQI @BaltimoreAIR]

🤖Prelim AirNow AQI (21201, 08:03) O₃=33 (Good) PM2.5=28 (Good↗) #mdwx

[Baltimore, MD AQI @BaltimoreAIR]

🤖Prelim AirNow AQI (21201, 07:03) O₃=33 (Good) PM2.5=27 (Good) #mdwx

Winter is poor #AirQuality time in many areas. Grab the app now: https://t.co/UcfglKBbCc

[Baltimore, MD AQI @BaltimoreAIR]

🤖Prelim AirNow AQI (21201, 06:03) O₃=34 (Good) PM2.5=25 (Good) #mdwx

[Baltimore, MD AQI @BaltimoreAIR]

🤖Prelim AirNow AQI (21201, 05:02) O₃=33 (Good) PM2.5=20 (Good↘) #mdwx

[Baltimore, MD AQI @BaltimoreAIR]

🤖Prelim AirNow AQI (21201, 04:03) O₃=33 (Good) PM2.5=25 (Good↗) #mdwx

Winter is poor #AirQuality time in many areas. Grab the app now: https://t.co/UcfglKBbCc

[Baltimore, MD AQI @BaltimoreAIR]

🤖Prelim AirNow AQI (21201, 03:03) O₃=33 (Good) PM2.5=20 (Good) #mdwx

[Baltimore, MD AQI @BaltimoreAIR]

🤖Prelim AirNow AQI (21201, 02:02) O₃=32 (Good) PM2.5=12 (Good) #mdwx

[Baltimore, MD AQI @BaltimoreAIR]

🤖Prelim AirNow AQI (21201, 01:02) O₃=33 (Good) PM2.5=12 (Good) #mdwx

There's an app for this: https://t.co/UcfglKBbCc

[Baltimore, MD AQI @BaltimoreAIR]

🤖Prelim AirNow AQI (21201, 23:04) O₃=37 (Good↘) PM2.5=13 (Good↘) #mdwx

[Baltimore, MD AQI @BaltimoreAIR]

🤖Prelim AirNow AQI (21201, 22:03) O₃=38 (Good) PM2.5=19 (Good↘) #mdwx

[Baltimore, MD AQI @BaltimoreAIR]

🤖Prelim AirNow AQI (21201, 21:03) O₃=38 (Good↗) PM2.5=21 (Good↘) #mdwx

Winter is poor #AirQuality time in many areas. Grab the app now: https://t.co/UcfglKBbCc

[Baltimore, MD AQI @BaltimoreAIR]

🤖Prelim AirNow AQI (21201, 20:03) O₃=36 (Good↘) PM2.5=26 (Good↘) #mdwx

There's an app for this: https://t.co/UcfglKBbCc

[Baltimore, MD AQI @BaltimoreAIR]

🤖Prelim AirNow AQI (21201, 19:03) O₃=39 (Good) PM2.5=32 (Good) #mdwx

[Baltimore, MD AQI @BaltimoreAIR]

🤖Prelim AirNow AQI (21201, 17:03) PM2.5=52 (Moderate) O₃=44 (Good) #mdwx

There's an app for this: https://t.co/UcfglKBbCc