Great Falls, MT 59401 Air Quality

Air quality index43Good

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

050100150200300+

Next 24 hours

US AQI

1. 43Now
2. 43
3. 43
4. 436 AM
5. 43
6. 43
7. 439 AM
8. 43
9. 43
10. 4212 PM
11. 41
12. 47
13. 533 PM
14. 59
15. 58
16. 586 PM
17. 57
18. 56
19. 549 PM
20. 53
21. 50
22. 4612 AM
23. 43
24. 44

Air quality outlook

Worst hour each day

• Today59Moderate
• Tue 2050Good
• Wed 2163Moderate
• Thu 2247Good
• Fri 2347Good

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

Live radar

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Radar Satellite Temperature Wind Feels like Air quality Lightning

About ZIP code 59401

ZIP code 59401 is Great Falls, in Cascade County, Montana. This forecast is for the centre of the ZIP area at 47.511°, -111.277°, 1 mi from central Great Falls. Right now it’s 37° and clear; today’s high is 71° with a 0% chance of rain.

Great Falls, MT forecast

Nearby ZIP codes

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