Baltimore air quality · Maryland, United States
Clear air is not just pleasant, it is preventive health
US AQI 34 (Good) in Baltimore, from 1 AirNow monitoring station. Main pollutant: PM2.5.
Updated
Pollutants in Baltimore
- PM2.534AQI
- NO₂20AQI
- Ozone15AQI
US values are per-pollutant AQI from the highest-reading monitor near Baltimore (Padonia).
Is it safe outside in Baltimore right now?
Air quality is satisfactory and poses little or no risk.
Walking and commuting
Go aheadEnjoy it.
Running and jogging
Go aheadA great time to run outdoors.
Cycling
Go aheadRide freely.
Children playing outside
Go aheadNo limits.
Older adults and heart or lung conditions
Go aheadNo limits.
Open windows
Go aheadAir out your home.
Mask outdoors
Not neededNot needed.
Air purifier indoors
Not neededNot needed.
Based on the US EPA Air Quality Guide, applied to the current US AQI category. If you have symptoms, follow your doctor's advice.
What US AQI 0–50 means for your health →
Baltimore air quality history
Daily average, 36 days- 33average daily US AQI over 36 days
- 57worst day, 2 October
- 20cleanest day, 29 September
- 0days at Unhealthy or worse
The last 7 days averaged 36, about the same as the week before (35). 34 of the last 36 days were Good.
Weather in Baltimore
No active National Weather Service alerts for Baltimore.
| Day | Forecast | High | Low | Rain |
|---|---|---|---|---|
| Mon 19 | Sunny | 66°F | 50°F | 0% |
| Tue 20 | Sunny | 70°F | 46°F | 0% |
| Wed 21 | Sunny | 64°F | 45°F | 1% |
| Thu 22 | Sunny | 66°F | 48°F | 0% |
| Fri 23 | Sunny | 63°F | 43°F | 0% |
| Sat 24 | Sunny | 63°F | 45°F | 0% |
| Sun 25 | Sunny | 64°F | 48°F | 0% |
National Weather Service forecast. All US weather alerts →
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Baltimore air quality: common questions
What is the AQI in Baltimore right now?
The US AQI in Baltimore is 34 (Good). The main pollutant is PM2.5.
Is it safe to go outside in Baltimore today?
A great time to be outside. Air quality is satisfactory and poses little or no risk. For runners: A great time to run outdoors.
How has air quality in Baltimore been recently?
Over the last 36 days with data, Baltimore averaged US AQI 33. The worst day was 2 October at 57; the cleanest was 29 September at 20. 0 days were at Unhealthy or worse.
Where does Baltimore's air quality data come from?
From US EPA AirNow, using 1 monitoring station in and around the city. Good Air does not estimate or adjust these readings.
Source: US EPA AirNow. Readings are published by the monitoring agency and may be revised.