Knoxville, MD 21758 Air Quality

Air quality index52Moderate

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

050100150200300+

Next 24 hours

US AQI

1. 33Now
2. 47
3. 61
4. 577 PM
5. 53
6. 49
7. 4810 PM
8. 46
9. 45
10. 441 AM
11. 44
12. 43
13. 434 AM
14. 43
15. 43
16. 447 AM
17. 44
18. 45
19. 4510 AM
20. 45
21. 45
22. 501 PM
23. 54
24. 59

Air quality outlook

Worst hour each day

• Today61Moderate
• Tue 2061Moderate
• Wed 2147Good
• Thu 2249Good
• Fri 2341Good

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

Air quality map

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Layer Radar Temperature Feels like Wind Humidity Dew point UV Air quality Pressure Visibility Satellite Lightning

About ZIP code 21758

ZIP code 21758 is Knoxville, in Frederick County, Maryland. This forecast is for the centre of the ZIP area at 39.353°, -77.657°. Right now it’s 69° and clear; today’s high is 69° with a 0% chance of rain.

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