Union Bridge, MD 21791 Air Quality

Air quality index57Moderate

Acceptable for most people; unusually sensitive people should take it easier outdoors.

050100150200300+

Next 24 hours

US AQI

1. 54Now
2. 57
3. 52
4. 4611 AM
5. 41
6. 44
7. 462 PM
8. 49
9. 40
10. 315 PM
11. 22
12. 31
13. 408 PM
14. 49
15. 48
16. 4811 PM
17. 47
18. 46
19. 462 AM
20. 45
21. 44
22. 445 AM
23. 43
24. 43

Air quality outlook

Worst hour each day

• Today57Moderate
• Tue 2061Moderate
• Wed 2147Good
• Thu 2257Moderate
• Fri 2343Good

From our air-quality forecast models (GEOS-CF / GEFS aerosols). AQI uses the US EPA scale.

Live radar

Open full map

Radar Satellite Temperature Wind Feels like Air quality Lightning

About ZIP code 21791

ZIP code 21791 is Union Bridge, in Carroll County, Maryland. This forecast is for the centre of the ZIP area at 39.533°, -77.189°. Right now it’s 34° and mostly clear; today’s high is 64° with a 0% chance of rain.

Nearby ZIP codes

21762 · Libertytown, MD21776 · New Windsor, MD21757 · Keymar, MD21798 · Woodsboro, MD21793 · Walkersville, MD21778 · Rocky Ridge, MD21774 · New Market, MD21771 · Mount Airy, MD21701 · Frederick, MD21787 · Taneytown, MD21157 · Westminster, MD21158 · Westminster, MD

More Maryland cities

AnnapolisBaltimoreBethesdaBowieColumbiaDundalkEllicott CityFrederickGaithersburgGermantownGlen BurnieOcean CityRockvilleSilver SpringTowsonWaldorf