Keymar, MD 21757 Air Quality

Air quality index44Good

Air quality is great — a good day to be outside.

050100150200300+

Next 24 hours

US AQI

1. 42Now
2. 44
3. 47
4. 4610 AM
5. 44
6. 43
7. 461 PM
8. 50
9. 53
10. 554 PM
11. 57
12. 59
13. 487 PM
14. 37
15. 26
16. 3310 PM
17. 40
18. 47
19. 461 AM
20. 46
21. 45
22. 454 AM
23. 45
24. 45

Air quality outlook

Worst hour each day

• Today59Moderate
• Tue 2059Moderate
• Wed 2147Good
• Thu 2253Moderate
• Fri 2345Good

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 21757

ZIP code 21757 is Keymar, in Carroll County, Maryland. This forecast is for the centre of the ZIP area at 39.594°, -77.258°. Right now it’s 33° and mostly clear; today’s high is 64° with a 0% chance of rain.

Nearby ZIP codes

21778 · Rocky Ridge, MD21798 · Woodsboro, MD21791 · Union Bridge, MD21787 · Taneytown, MD21727 · Emmitsburg, MD21762 · Libertytown, MD21788 · Thurmont, MD21793 · Walkersville, MD21776 · New Windsor, MD21701 · Frederick, MD21158 · Westminster, MD21780 · Sabillasville, MD

More Maryland cities

AnnapolisBaltimoreBethesdaBowieColumbiaDundalkEllicott CityFrederickGaithersburgGermantownGlen BurnieOcean CityRockvilleSilver SpringTowsonWaldorf