| index | 2018-05 | 2018-04 | 2018-03 | 2018-02 | 2018-01 | 2017-12 | 2017-11 | 2017-10 | 2017-09 | 2017-08 | 2017-07 | 2017-06 | 2017-05 | 2017-04 | 2017-03 | 2017-02 | 2017-01 | 2016-12 | 2016-11 | 2016-10 | 2016-09 | 2016-08 | 2016-07 | 2016-06 | 2016-05 | 2016-04 | 2016-03 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm10 | 53 (Unhealthy for Sensitive Groups) | 45 (Moderate) | 18 (Good) | 9.8 (Good) | 10 (Good) | 11 (Good) | 12 (Good) | 15 (Good) | 14 (Good) | 19 (Good) | 15 (Good) | 13 (Good) | 13 (Good) | 19 (Good) | 19 (Good) | 16 (Good) | 11 (Good) | 11 (Good) | 11 (Good) | 13 (Good) | 11 (Good) | 12 (Good) | 12 (Good) | 12 (Good) | 11 (Good) | 12 (Good) | 21 (Moderate) |
Green and Parks in the City
Houston 61%
United States: 70% Venezuela: 41% Iceland: 72%particulate matter PM2.5
Houston 12 (Good)
Pleasure of spending time in the city
Houston 59%
United States: 75% The Bahamas: 53% Venezuela: 41% Iceland: 89%particulate matter PM10
Houston 25 (Moderate)
Air Pollution
Houston 55%
United States: 29% The Bahamas: 52% Venezuela: 59% Iceland: 13%Garbage Disposal
Houston 71%
United States: 71% The Bahamas: 29% Venezuela: 18% Iceland: 79%Availability and quality of drinking water
Houston 63%
United States: 71% The Bahamas: 55% Venezuela: 28% Iceland: 96%Cleanliness and tidiness
Houston 53%
United States: 60% The Bahamas: 35% Venezuela: 22% Iceland: 75%Noise and Light pollution
Houston 56%
United States: 47% The Bahamas: 39% Venezuela: 47% Iceland: 23%Water Pollution
Houston 57%
United States: 44% The Bahamas: 58% Venezuela: 76% Iceland: 8.4%Houston Firehall
| index | 2018-05 | 2018-04 | 2018-03 | 2018-02 | 2018-01 | 2017-12 | 2017-11 | 2017-10 | 2017-09 | 2017-08 | 2017-07 | 2017-06 | 2017-05 | 2017-04 | 2017-03 | 2017-02 | 2017-01 | 2016-12 | 2016-11 | 2016-10 | 2016-09 | 2016-08 | 2016-07 | 2016-06 | 2016-05 | 2016-04 | 2016-03 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm10 | 53 | 45 | 18 | 9.8 | 10 | 11 | 12 | 15 | 14 | 19 | 15 | 13 | 13 | 19 | 19 | 16 | 11 | 11 | 11 | 13 | 11 | 12 | 12 | 12 | 11 | 12 | 21 |