結果 : what does very unhealthy air quality mean
1:44

Air quality 'very unhealthy' after massive Charlotte fire

WCNC
334 回視聴 - 1 年前
3:24

Unhealthy air quality across Indiana

WTHR
3,578 回視聴 - 1 年前
3:13

As smoky skies, ‘very unhealthy' air quality in Chicago continue, stormy weather on the way

NBC Chicago
1,287 回視聴 - 1 年前
4:59

How bad air quality impacts health: Doctor explains

KCRA 3
7,012 回視聴 - 4 年前
4:22

Air Quality Alert issued in Northeast Ohio for 'very unhealthy' conditions

WKYC Channel 3
2,740 回視聴 - 1 年前
8:48

Unhealthy air: What is Code Red Air Quality Alert? #WakeUpCLT To Go

WCNC
12,836 回視聴 - 1 年前
0:20

Air Quality Index remains Unhealthy for Sensitive Groups

First Alert 6
23 回視聴 - 1 年前
2:01

Air Quality Ranges From Unhealthy To Very Unhealthy In Sacramento Region

CBS News Sacramento
863 回視聴 - 3 年前
2:47

"Very Unhealthy" US air quality from Canadian wildfires | LiveNOW from FOX

LiveNOW from FOX
7,964 回視聴 - 1 年前

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1:56

Air quality degrades in Tri-State, now unhealthy for sensitive groups

Eyewitness News ABC7NY
1,085 回視聴 - 1 年前
8:31

How bad is the poor air quality caused by California wildfires?

KTVU FOX 2 San Francisco
731 回視聴 - 4 年前
3:11

Chicago area still experiencing unhealthy air quality

WGN News
4,213 回視聴 - 1 年前
2:01

Doctor's advice for dealing with unhealthy air quality

KING 5 Seattle
1,445 回視聴 - 6 年前
0:47

Code Red air quality advisory in effect: 'Unhealthy for everyone'

WTVR CBS 6
577 回視聴 - 1 年前
27:40

N.J. air quality remains at "very unhealthy" levels, Murphy says

CBS New York
2,176 回視聴 - 1 年前
1:59

First Alert Forecast: Yellow Alert issued for unhealthy air quality

CBS New York
5,093 回視聴 - 1 年前
1:10

Unhealthy air quality

KOIN 6
277 回視聴 - 6 年前
1:40

Poor air quality is at unhealthy levels

KING 5 Seattle
789 回視聴 - 6 年前
2:08

'Code Orange' air quality for Charlotte; unhealthy for sensitive groups

WCNC
257 回視聴 - 5 年前
2:55

Staying ahead of bad air quality in Central Valley

MedWatch Today
52 回視聴 - 6 年前