Houston, TX Air Quality Information

Houston, TX Air Quality History by Year

Air Quality Percentage Levels

Good

86.73%

Moderate

13.27%

Unhealthy for Sensitive Groups

0.00%

Unhealthy

0.00%

Very Unhealthy

0.00%

Hazardous

0.00%

Air Quality Index Pollution Summary

Feb

Date	Daily Air Quality Index Value Per Pollutant Type
Date	Ozone	CO	SO2	PM10	PM2.5
02-22-2021	42
02-23-2021	49
02-24-2021	43
02-25-2021	35
02-26-2021	39
02-27-2021	19
02-28-2021	39

Mar

Date	Daily Air Quality Index Value Per Pollutant Type
Date	Ozone	CO	SO2	PM10	PM2.5
03-01-2021	40
03-02-2021	44
03-03-2021	44
03-04-2021	51
03-05-2021	43
03-06-2021	43
03-07-2021	45
03-08-2021	48
03-09-2021	42
03-10-2021	42
03-11-2021	27
03-12-2021	27
03-13-2021	32
03-14-2021	45
03-15-2021	42			15
03-16-2021	44			24
03-17-2021	34			15	48
03-18-2021	34			37
03-19-2021	48			63
03-20-2021	54			71
03-21-2021	47			14
03-22-2021	34			14
03-23-2021	44			19	43
03-24-2021	41			14
03-25-2021	42			21
03-26-2021	51			19
03-27-2021	43			16
03-28-2021	46			18
03-29-2021	50			62	62
03-30-2021	43			11
03-31-2021	47			25

Apr

Date	Daily Air Quality Index Value Per Pollutant Type
Date	Ozone	CO	SO2	PM10	PM2.5
04-01-2021	58			40
04-02-2021	67			44
04-03-2021	48			29
04-04-2021	37			19	24
04-05-2021	39			48
04-06-2021	37			61
04-07-2021	46			12
04-08-2021	51			27
04-09-2021				25
04-10-2021				23	20
04-11-2021				21
04-12-2021	41
04-13-2021	48
04-14-2021	35
04-15-2021	33
04-16-2021	31
04-17-2021	31
04-18-2021	48
04-19-2021	54
04-20-2021	40
04-21-2021	46
04-22-2021	42
04-23-2021	35
04-24-2021	45
04-25-2021	47
04-26-2021	45
04-27-2021	25
04-28-2021	37
04-29-2021	44
04-30-2021	67