AirCheck in the United States region
540 observations117 strongest (AQI)
- 28Vancouver — AQI 28Vancouver, Canada · Good · 28 AQI
- 16Montreal — AQI 16Montreal, Canada · Good · 16 AQI
- 10Toronto — AQI 10Toronto, Canada · Good · 10 AQI
- 60Washington — AQI 60Washington, USA · Moderate · 60 AQI
- 39Miami — AQI 39Miami, USA · Good · 39 AQI
- 14Denver — AQI 14Denver, USA · Good · 14 AQI
- 29Seattle — AQI 29Seattle, USA · Good · 29 AQI
- 22San Francisco — AQI 22San Francisco, USA · Good · 22 AQI
- 18Phoenix — AQI 18Phoenix, USA · Good · 18 AQI
- 23Chicago — AQI 23Chicago, USA · Good · 23 AQI
- 35Los Angeles — AQI 35Los Angeles, USA · Good · 35 AQI
- 65New York — AQI 65New York, USA · Moderate · 65 AQI
- 16Vancouver — AQI 16 (daily mean)Vancouver, Canada · Good · 16 AQI
- 50Montreal — AQI 50 (daily mean)Montreal, Canada · Good · 50 AQI
- 26Toronto — AQI 26 (daily mean)Toronto, Canada · Good · 26 AQI
- 62Washington — AQI 62 (daily mean)Washington, USA · Moderate · 62 AQI
- 26Miami — AQI 26 (daily mean)Miami, USA · Good · 26 AQI
- 35Denver — AQI 35 (daily mean)Denver, USA · Good · 35 AQI
- 58Seattle — AQI 58 (daily mean)Seattle, USA · Moderate · 58 AQI
- 57San Francisco — AQI 57 (daily mean)San Francisco, USA · Moderate · 57 AQI
- 34Phoenix — AQI 34 (daily mean)Phoenix, USA · Good · 34 AQI
- 55Chicago — AQI 55 (daily mean)Chicago, USA · Moderate · 55 AQI
- 62Los Angeles — AQI 62 (daily mean)Los Angeles, USA · Moderate · 62 AQI
- 97New York — AQI 97 (daily mean)New York, USA · Moderate · 97 AQI
- 77Vancouver — AQI 77 (daily mean)Vancouver, Canada · Moderate · 77 AQI
- 82Montreal — AQI 82 (daily mean)Montreal, Canada · Moderate · 82 AQI
- 20Toronto — AQI 20 (daily mean)Toronto, Canada · Good · 20 AQI
- 50Washington — AQI 50 (daily mean)Washington, USA · Good · 50 AQI
- 34Miami — AQI 34 (daily mean)Miami, USA · Good · 34 AQI
- 36Denver — AQI 36 (daily mean)Denver, USA · Good · 36 AQI
- 63Seattle — AQI 63 (daily mean)Seattle, USA · Moderate · 63 AQI
- 38San Francisco — AQI 38 (daily mean)San Francisco, USA · Good · 38 AQI
- 61Phoenix — AQI 61 (daily mean)Phoenix, USA · Moderate · 61 AQI
- 56Chicago — AQI 56 (daily mean)Chicago, USA · Moderate · 56 AQI
- 64Los Angeles — AQI 64 (daily mean)Los Angeles, USA · Moderate · 64 AQI
- 68New York — AQI 68 (daily mean)New York, USA · Moderate · 68 AQI
- 57Vancouver — AQI 57 (daily mean)Vancouver, Canada · Moderate · 57 AQI
- 23Montreal — AQI 23 (daily mean)Montreal, Canada · Good · 23 AQI
- 13Toronto — AQI 13 (daily mean)Toronto, Canada · Good · 13 AQI
- 31Washington — AQI 31 (daily mean)Washington, USA · Good · 31 AQI
- 36Miami — AQI 36 (daily mean)Miami, USA · Good · 36 AQI
- 16Denver — AQI 16 (daily mean)Denver, USA · Good · 16 AQI
- 33Seattle — AQI 33 (daily mean)Seattle, USA · Good · 33 AQI
- 31San Francisco — AQI 31 (daily mean)San Francisco, USA · Good · 31 AQI
- 58Phoenix — AQI 58 (daily mean)Phoenix, USA · Moderate · 58 AQI
- 95Chicago — AQI 95 (daily mean)Chicago, USA · Moderate · 95 AQI
- 54Los Angeles — AQI 54 (daily mean)Los Angeles, USA · Moderate · 54 AQI
- 31New York — AQI 31 (daily mean)New York, USA · Good · 31 AQI
- 95Vancouver — AQI 95 (daily mean)Vancouver, Canada · Moderate · 95 AQI
- 74Montreal — AQI 74 (daily mean)Montreal, Canada · Moderate · 74 AQI
- 52Toronto — AQI 52 (daily mean)Toronto, Canada · Moderate · 52 AQI
- 23Washington — AQI 23 (daily mean)Washington, USA · Good · 23 AQI
- 35Miami — AQI 35 (daily mean)Miami, USA · Good · 35 AQI
- 18Denver — AQI 18 (daily mean)Denver, USA · Good · 18 AQI
- 47Seattle — AQI 47 (daily mean)Seattle, USA · Good · 47 AQI
- 50San Francisco — AQI 50 (daily mean)San Francisco, USA · Good · 50 AQI
- 25Phoenix — AQI 25 (daily mean)Phoenix, USA · Good · 25 AQI
- 117Chicago — AQI 117 (daily mean)Chicago, USA · Unhealthy (sensitive) · 117 AQI
- 30Los Angeles — AQI 30 (daily mean)Los Angeles, USA · Good · 30 AQI
- 28New York — AQI 28 (daily mean)New York, USA · Good · 28 AQI
- 62Vancouver — AQI 62 (daily mean)Vancouver, Canada · Moderate · 62 AQI
- 33Montreal — AQI 33 (daily mean)Montreal, Canada · Good · 33 AQI
- 25Toronto — AQI 25 (daily mean)Toronto, Canada · Good · 25 AQI
- 23Washington — AQI 23 (daily mean)Washington, USA · Good · 23 AQI
- 43Miami — AQI 43 (daily mean)Miami, USA · Good · 43 AQI
- 46Denver — AQI 46 (daily mean)Denver, USA · Good · 46 AQI
- 45Seattle — AQI 45 (daily mean)Seattle, USA · Good · 45 AQI
- 55San Francisco — AQI 55 (daily mean)San Francisco, USA · Moderate · 55 AQI
- 23Phoenix — AQI 23 (daily mean)Phoenix, USA · Good · 23 AQI
- 62Chicago — AQI 62 (daily mean)Chicago, USA · Moderate · 62 AQI
- 61Los Angeles — AQI 61 (daily mean)Los Angeles, USA · Moderate · 61 AQI
- 19New York — AQI 19 (daily mean)New York, USA · Good · 19 AQI
- 61Vancouver — AQI 61 (daily mean)Vancouver, Canada · Moderate · 61 AQI
- 21Montreal — AQI 21 (daily mean)Montreal, Canada · Good · 21 AQI
- 20Toronto — AQI 20 (daily mean)Toronto, Canada · Good · 20 AQI
- 23Washington — AQI 23 (daily mean)Washington, USA · Good · 23 AQI
- 42Miami — AQI 42 (daily mean)Miami, USA · Good · 42 AQI
- 38Denver — AQI 38 (daily mean)Denver, USA · Good · 38 AQI
- 48Seattle — AQI 48 (daily mean)Seattle, USA · Good · 48 AQI
- 38San Francisco — AQI 38 (daily mean)San Francisco, USA · Good · 38 AQI
- 41Phoenix — AQI 41 (daily mean)Phoenix, USA · Good · 41 AQI
- 89Chicago — AQI 89 (daily mean)Chicago, USA · Moderate · 89 AQI
- 76Los Angeles — AQI 76 (daily mean)Los Angeles, USA · Moderate · 76 AQI
- 52New York — AQI 52 (daily mean)New York, USA · Moderate · 52 AQI
- 69Vancouver — AQI 69 (daily mean)Vancouver, Canada · Moderate · 69 AQI
- 14Montreal — AQI 14 (daily mean)Montreal, Canada · Good · 14 AQI
- 18Toronto — AQI 18 (daily mean)Toronto, Canada · Good · 18 AQI
- 60Washington — AQI 60 (daily mean)Washington, USA · Moderate · 60 AQI
- 32Miami — AQI 32 (daily mean)Miami, USA · Good · 32 AQI
- 33Denver — AQI 33 (daily mean)Denver, USA · Good · 33 AQI
- 55Seattle — AQI 55 (daily mean)Seattle, USA · Moderate · 55 AQI
- 42San Francisco — AQI 42 (daily mean)San Francisco, USA · Good · 42 AQI
- 29Phoenix — AQI 29 (daily mean)Phoenix, USA · Good · 29 AQI
- 34Chicago — AQI 34 (daily mean)Chicago, USA · Good · 34 AQI
- 85Los Angeles — AQI 85 (daily mean)Los Angeles, USA · Moderate · 85 AQI
- 87New York — AQI 87 (daily mean)New York, USA · Moderate · 87 AQI
- 56Vancouver — AQI 56 (daily mean)Vancouver, Canada · Moderate · 56 AQI
- 17Montreal — AQI 17 (daily mean)Montreal, Canada · Good · 17 AQI
- 15Toronto — AQI 15 (daily mean)Toronto, Canada · Good · 15 AQI
- 21Washington — AQI 21 (daily mean)Washington, USA · Good · 21 AQI
- 31Miami — AQI 31 (daily mean)Miami, USA · Good · 31 AQI
- 31Denver — AQI 31 (daily mean)Denver, USA · Good · 31 AQI
- 50Seattle — AQI 50 (daily mean)Seattle, USA · Good · 50 AQI
- 44San Francisco — AQI 44 (daily mean)San Francisco, USA · Good · 44 AQI
- 23Phoenix — AQI 23 (daily mean)Phoenix, USA · Good · 23 AQI
- 18Chicago — AQI 18 (daily mean)Chicago, USA · Good · 18 AQI
- 70Los Angeles — AQI 70 (daily mean)Los Angeles, USA · Moderate · 70 AQI
- 34New York — AQI 34 (daily mean)New York, USA · Good · 34 AQI
- 54Vancouver — AQI 54 (daily mean)Vancouver, Canada · Moderate · 54 AQI
- 8Montreal — AQI 8 (daily mean)Montreal, Canada · Good · 8 AQI
- 9Toronto — AQI 9 (daily mean)Toronto, Canada · Good · 9 AQI
- 17Washington — AQI 17 (daily mean)Washington, USA · Good · 17 AQI
- 23Miami — AQI 23 (daily mean)Miami, USA · Good · 23 AQI
- 28Denver — AQI 28 (daily mean)Denver, USA · Good · 28 AQI
- 23Seattle — AQI 23 (daily mean)Seattle, USA · Good · 23 AQI
- 57San Francisco — AQI 57 (daily mean)San Francisco, USA · Moderate · 57 AQI
- 43Phoenix — AQI 43 (daily mean)Phoenix, USA · Good · 43 AQI
- 14Chicago — AQI 14 (daily mean)Chicago, USA · Good · 14 AQI
- 51Los Angeles — AQI 51 (daily mean)Los Angeles, USA · Moderate · 51 AQI
- 15New York — AQI 15 (daily mean)New York, USA · Good · 15 AQI
- 56Vancouver — AQI 56 (daily mean)Vancouver, Canada · Moderate · 56 AQI
- 28Montreal — AQI 28 (daily mean)Montreal, Canada · Good · 28 AQI
- 16Toronto — AQI 16 (daily mean)Toronto, Canada · Good · 16 AQI
- 49Washington — AQI 49 (daily mean)Washington, USA · Good · 49 AQI
- 20Miami — AQI 20 (daily mean)Miami, USA · Good · 20 AQI
- 48Denver — AQI 48 (daily mean)Denver, USA · Good · 48 AQI
- 54Seattle — AQI 54 (daily mean)Seattle, USA · Moderate · 54 AQI
- 60San Francisco — AQI 60 (daily mean)San Francisco, USA · Moderate · 60 AQI
- 32Phoenix — AQI 32 (daily mean)Phoenix, USA · Good · 32 AQI
- 14Chicago — AQI 14 (daily mean)Chicago, USA · Good · 14 AQI
- 37Los Angeles — AQI 37 (daily mean)Los Angeles, USA · Good · 37 AQI
- 53New York — AQI 53 (daily mean)New York, USA · Moderate · 53 AQI
- 64Vancouver — AQI 64 (daily mean)Vancouver, Canada · Moderate · 64 AQI
- 32Montreal — AQI 32 (daily mean)Montreal, Canada · Good · 32 AQI
- 13Toronto — AQI 13 (daily mean)Toronto, Canada · Good · 13 AQI
- 32Washington — AQI 32 (daily mean)Washington, USA · Good · 32 AQI
- 19Miami — AQI 19 (daily mean)Miami, USA · Good · 19 AQI
- 18Denver — AQI 18 (daily mean)Denver, USA · Good · 18 AQI
- 45Seattle — AQI 45 (daily mean)Seattle, USA · Good · 45 AQI
- 57San Francisco — AQI 57 (daily mean)San Francisco, USA · Moderate · 57 AQI
- 36Phoenix — AQI 36 (daily mean)Phoenix, USA · Good · 36 AQI
- 26Chicago — AQI 26 (daily mean)Chicago, USA · Good · 26 AQI
- 67Los Angeles — AQI 67 (daily mean)Los Angeles, USA · Moderate · 67 AQI
- 37New York — AQI 37 (daily mean)New York, USA · Good · 37 AQI
- 68Vancouver — AQI 68 (daily mean)Vancouver, Canada · Moderate · 68 AQI
- 17Montreal — AQI 17 (daily mean)Montreal, Canada · Good · 17 AQI
- 16Toronto — AQI 16 (daily mean)Toronto, Canada · Good · 16 AQI
- 31Washington — AQI 31 (daily mean)Washington, USA · Good · 31 AQI
- 19Miami — AQI 19 (daily mean)Miami, USA · Good · 19 AQI
- 45Denver — AQI 45 (daily mean)Denver, USA · Good · 45 AQI
- 54Seattle — AQI 54 (daily mean)Seattle, USA · Moderate · 54 AQI
- 52San Francisco — AQI 52 (daily mean)San Francisco, USA · Moderate · 52 AQI
- 59Phoenix — AQI 59 (daily mean)Phoenix, USA · Moderate · 59 AQI
- 50Chicago — AQI 50 (daily mean)Chicago, USA · Good · 50 AQI
- 42Los Angeles — AQI 42 (daily mean)Los Angeles, USA · Good · 42 AQI
- 38New York — AQI 38 (daily mean)New York, USA · Good · 38 AQI
- 79Vancouver — AQI 79 (daily mean)Vancouver, Canada · Moderate · 79 AQI
- 12Montreal — AQI 12 (daily mean)Montreal, Canada · Good · 12 AQI
- 40Toronto — AQI 40 (daily mean)Toronto, Canada · Good · 40 AQI
- 57Washington — AQI 57 (daily mean)Washington, USA · Moderate · 57 AQI
- 38Miami — AQI 38 (daily mean)Miami, USA · Good · 38 AQI
- 24Denver — AQI 24 (daily mean)Denver, USA · Good · 24 AQI
- 69Seattle — AQI 69 (daily mean)Seattle, USA · Moderate · 69 AQI
- 50San Francisco — AQI 50 (daily mean)San Francisco, USA · Good · 50 AQI
- 23Phoenix — AQI 23 (daily mean)Phoenix, USA · Good · 23 AQI
- 33Chicago — AQI 33 (daily mean)Chicago, USA · Good · 33 AQI
- 73Los Angeles — AQI 73 (daily mean)Los Angeles, USA · Moderate · 73 AQI
- 81New York — AQI 81 (daily mean)New York, USA · Moderate · 81 AQI
- 56Vancouver — AQI 56 (daily mean)Vancouver, Canada · Moderate · 56 AQI
- 33Montreal — AQI 33 (daily mean)Montreal, Canada · Good · 33 AQI
- 55Toronto — AQI 55 (daily mean)Toronto, Canada · Moderate · 55 AQI
- 14Washington — AQI 14 (daily mean)Washington, USA · Good · 14 AQI
- 46Miami — AQI 46 (daily mean)Miami, USA · Good · 46 AQI
- 12Denver — AQI 12 (daily mean)Denver, USA · Good · 12 AQI
- 56Seattle — AQI 56 (daily mean)Seattle, USA · Moderate · 56 AQI
- 40San Francisco — AQI 40 (daily mean)San Francisco, USA · Good · 40 AQI
- 33Phoenix — AQI 33 (daily mean)Phoenix, USA · Good · 33 AQI
- 50Chicago — AQI 50 (daily mean)Chicago, USA · Good · 50 AQI
- 59Los Angeles — AQI 59 (daily mean)Los Angeles, USA · Moderate · 59 AQI
- 25New York — AQI 25 (daily mean)New York, USA · Good · 25 AQI
- 38Vancouver — AQI 38 (daily mean)Vancouver, Canada · Good · 38 AQI
- 30Montreal — AQI 30 (daily mean)Montreal, Canada · Good · 30 AQI
- 30Toronto — AQI 30 (daily mean)Toronto, Canada · Good · 30 AQI
- 41Washington — AQI 41 (daily mean)Washington, USA · Good · 41 AQI
- 28Miami — AQI 28 (daily mean)Miami, USA · Good · 28 AQI
- 32Denver — AQI 32 (daily mean)Denver, USA · Good · 32 AQI
- 45Seattle — AQI 45 (daily mean)Seattle, USA · Good · 45 AQI
- 34San Francisco — AQI 34 (daily mean)San Francisco, USA · Good · 34 AQI
- 25Phoenix — AQI 25 (daily mean)Phoenix, USA · Good · 25 AQI
- 49Chicago — AQI 49 (daily mean)Chicago, USA · Good · 49 AQI
- 55Los Angeles — AQI 55 (daily mean)Los Angeles, USA · Moderate · 55 AQI
- 67New York — AQI 67 (daily mean)New York, USA · Moderate · 67 AQI
- 32Vancouver — AQI 32 (daily mean)Vancouver, Canada · Good · 32 AQI
- 27Montreal — AQI 27 (daily mean)Montreal, Canada · Good · 27 AQI
- 23Toronto — AQI 23 (daily mean)Toronto, Canada · Good · 23 AQI
- 85Washington — AQI 85 (daily mean)Washington, USA · Moderate · 85 AQI
- 22Miami — AQI 22 (daily mean)Miami, USA · Good · 22 AQI
- 20Denver — AQI 20 (daily mean)Denver, USA · Good · 20 AQI
- 26Seattle — AQI 26 (daily mean)Seattle, USA · Good · 26 AQI
- 37San Francisco — AQI 37 (daily mean)San Francisco, USA · Good · 37 AQI