Houston, TX Air Quality Information
Houston, TX Air Quality History by Year
Air Quality Percentage Levels
Air Quality Index Pollution Summary
Good
90.13%
Moderate
7.98%
Unhealthy for Sensitive Groups
1.89%
Unhealthy
0.00%
Very Unhealthy
0.00%
Hazardous
0.00%
| Pollutant | Stat. Lat & Long | Good % | 0-50 | 51-100 | 101-150 | 151-200 | 201-300 | 301-500 |
| Ozone | 35.3384, -106.524 | 95.04% | 115 | 6 | 0 | 0 | 0 | 0 |
| CO | 41.5786, -87.5574 | 100.00% | 28 | 0 | 0 | 0 | 0 | 0 |
| SO2 | 36.5264, -82.5287 | 73.86% | 65 | 14 | 9 | 0 | 0 | 0 |
| PM10 | 35.3384, -106.524 | 100.00% | 90 | 0 | 0 | 0 | 0 | 0 |
| PM2.5 | 36.4352, -94.2292 | 87.92% | 131 | 18 | 0 | 0 | 0 | 0 |
Jan
| Date | Daily Air Quality Index Value Per Pollutant Type | |||||
| Ozone | CO | SO2 | PM10 | PM2.5 | ||
| 01-01-2019 | 27 | 90 | 8 | |||
| 01-02-2019 | 33 | 14 | 4 | |||
| 01-03-2019 | 39 | 7 | 6 | |||
| 01-04-2019 | 35 | 40 | 9 | |||
| 01-05-2019 | 31 | 114 | 17 | |||
| 01-06-2019 | 24 | 19 | 7 | |||
| 01-07-2019 | 36 | 0 | 7 | |||
| 01-08-2019 | 33 | 104 | 8 | |||
| 01-09-2019 | 29 | 0 | 17 | |||
| 01-10-2019 | 27 | 0 | 16 | |||
| 01-11-2019 | 32 | 0 | 4 | |||
| 01-12-2019 | 27 | 0 | 6 | |||
| 01-13-2019 | 23 | 41 | 3 | |||
| 01-14-2019 | 28 | 6 | 4 | |||
| 01-15-2019 | 20 | 11 | 7 | 44 | ||
| 01-16-2019 | 34 | 50 | 10 | 52 | ||
| 01-17-2019 | 31 | 0 | 11 | 28 | ||
| 01-18-2019 | 41 | 16 | 4 | 28 | ||
| 01-19-2019 | 36 | 0 | 3 | 35 | ||
| 01-20-2019 | 31 | 110 | 5 | 11 | ||
| 01-21-2019 | 39 | 0 | 12 | 27 | ||
| 01-22-2019 | 31 | 0 | 7 | 17 | ||
| 01-23-2019 | 35 | 0 | 3 | 55 | ||
| 01-24-2019 | 36 | 11 | 6 | 20 | ||
| 01-25-2019 | 39 | 107 | 8 | 25 | ||
| 01-26-2019 | 39 | 51 | 8 | 39 | ||
| 01-27-2019 | 39 | 34 | 5 | 27 | ||
| 01-28-2019 | 39 | 56 | 8 | 20 | ||
| 01-29-2019 | 25 | 57 | 13 | 16 | ||
| 01-30-2019 | 36 | 85 | 16 | 17 | ||
| 01-31-2019 | 38 | 34 | 14 | 22 | ||
Feb
| Date | Daily Air Quality Index Value Per Pollutant Type | |||||
| Ozone | CO | SO2 | PM10 | PM2.5 | ||
| 02-01-2019 | 36 | 4 | 9 | 55 | ||
| 02-02-2019 | 36 | 46 | 12 | 43 | ||
| 02-03-2019 | 31 | 0 | 10 | 40 | ||
| 02-04-2019 | 27 | 33 | 6 | 31 | ||
| 02-05-2019 | 34 | 26 | 8 | 53 | ||
| 02-06-2019 | 44 | 6 | 16 | 54 | ||
| 02-07-2019 | 39 | 110 | 6 | 17 | ||
| 02-08-2019 | 37 | 44 | 8 | 26 | ||
| 02-09-2019 | 35 | 0 | 19 | 22 | ||
| 02-10-2019 | 40 | 0 | 11 | 34 | ||
| 02-11-2019 | 47 | 0 | 27 | 40 | ||
| 02-12-2019 | 38 | 14 | 13 | |||
| 02-13-2019 | 32 | 15 | 17 | |||
| 02-14-2019 | 29 | 17 | 17 | 14 | ||
| 02-15-2019 | 58 | 110 | 4 | 55 | ||
| 02-16-2019 | 49 | 0 | 7 | 35 | ||
| 02-17-2019 | 47 | 3 | 4 | 29 | ||
| 02-18-2019 | 37 | 62 | 12 | 21 | ||
| 02-19-2019 | 44 | 0 | 7 | 40 | ||
| 02-20-2019 | 46 | 0 | 3 | 27 | ||
| 02-21-2019 | 43 | 20 | 9 | 16 | ||
| 02-22-2019 | 46 | 0 | 27 | 30 | ||
| 02-23-2019 | 54 | 0 | 6 | 11 | ||
| 02-24-2019 | 47 | 66 | 6 | 36 | ||
| 02-25-2019 | 51 | 52 | 6 | 5 | ||
| 02-26-2019 | 47 | 30 | 8 | 22 | ||
| 02-27-2019 | 44 | 91 | 10 | 49 | ||
| 02-28-2019 | 25 | 20 | 10 | 52 | ||
Mar
| Date | Daily Air Quality Index Value Per Pollutant Type | |||||
| Ozone | CO | SO2 | PM10 | PM2.5 | ||
| 03-01-2019 | 19 | 7 | 67 | 12 | 28 | |
| 03-02-2019 | 41 | 6 | 11 | 13 | 62 | |
| 03-03-2019 | 36 | 3 | 3 | 5 | 56 | |
| 03-04-2019 | 33 | 2 | 10 | 6 | 19 | |
| 03-05-2019 | 47 | 2 | 10 | 7 | 31 | |
| 03-06-2019 | 47 | 2 | 113 | 17 | 35 | |
| 03-07-2019 | 39 | 2 | 21 | 50 | 35 | |
| 03-08-2019 | 21 | 5 | 0 | 39 | 43 | |
| 03-09-2019 | 45 | 5 | 1 | 6 | 23 | |
| 03-10-2019 | 37 | 2 | 106 | 8 | 47 | |
| 03-11-2019 | 43 | 2 | 89 | 5 | 16 | |
| 03-12-2019 | 39 | 6 | 27 | 5 | 22 | |
| 03-13-2019 | 47 | 3 | 0 | 6 | 27 | |
| 03-14-2019 | 38 | 3 | 4 | 33 | ||
| 03-15-2019 | 39 | 76 | 7 | 12 | ||
| 03-16-2019 | 44 | 9 | 9 | 63 | ||
| 03-17-2019 | 42 | 16 | 7 | 45 | ||
| 03-18-2019 | 42 | 1 | 6 | 12 | 17 | |
| 03-19-2019 | 44 | 5 | 0 | 9 | 62 | |
| 03-20-2019 | 41 | 6 | 9 | 6 | 56 | |
| 03-21-2019 | 35 | 5 | 30 | 13 | 25 | |
| 03-22-2019 | 39 | 5 | 65 | 6 | 22 | |
| 03-23-2019 | 43 | 8 | 37 | 4 | 49 | |
| 03-24-2019 | 49 | 7 | 104 | 9 | 40 | |
| 03-25-2019 | 32 | 5 | 14 | 12 | 33 | |
| 03-26-2019 | 39 | 7 | 0 | 18 | 30 | |
| 03-27-2019 | 48 | 6 | 9 | 19 | 43 | |
| 03-28-2019 | 50 | 11 | 23 | 12 | 47 | |
| 03-29-2019 | 50 | 11 | 31 | 28 | 43 | |
| 03-30-2019 | 50 | 6 | 85 | 14 | 33 | |
| 03-31-2019 | 35 | 7 | 27 | 6 | 15 | |
Apr
| Date | Daily Air Quality Index Value Per Pollutant Type | |||||
| Ozone | CO | SO2 | PM10 | PM2.5 | ||
| 04-01-2019 | 7 | |||||