AirCheck in the United States region
384 observations117 strongest (AQI)
- 39Vancouver — AQI 39Vancouver, Canada · Good · 39 AQI
- 38Montreal — AQI 38Montreal, Canada · Good · 38 AQI
- 34Toronto — AQI 34Toronto, Canada · Good · 34 AQI
- 23Washington — AQI 23Washington, USA · Good · 23 AQI
- 40Miami — AQI 40Miami, USA · Good · 40 AQI
- 30Denver — AQI 30Denver, USA · Good · 30 AQI
- 53Seattle — AQI 53Seattle, USA · Moderate · 53 AQI
- 21San Francisco — AQI 21San Francisco, USA · Good · 21 AQI
- 24Phoenix — AQI 24Phoenix, USA · Good · 24 AQI
- 20Chicago — AQI 20Chicago, USA · Good · 20 AQI
- 38Los Angeles — AQI 38Los Angeles, USA · Good · 38 AQI
- 46New York — AQI 46New York, USA · Good · 46 AQI
- 38Vancouver — AQI 38 (daily mean)Vancouver, Canada · Good · 38 AQI
- 40Montreal — AQI 40 (daily mean)Montreal, Canada · Good · 40 AQI
- 23Toronto — AQI 23 (daily mean)Toronto, Canada · Good · 23 AQI
- 23Washington — AQI 23 (daily mean)Washington, USA · Good · 23 AQI
- 30Miami — AQI 30 (daily mean)Miami, USA · Good · 30 AQI
- 50Denver — AQI 50 (daily mean)Denver, USA · Good · 50 AQI
- 46Seattle — AQI 46 (daily mean)Seattle, USA · Good · 46 AQI
- 61San Francisco — AQI 61 (daily mean)San Francisco, USA · Moderate · 61 AQI
- 36Phoenix — AQI 36 (daily mean)Phoenix, USA · Good · 36 AQI
- 18Chicago — AQI 18 (daily mean)Chicago, USA · Good · 18 AQI
- 37Los Angeles — AQI 37 (daily mean)Los Angeles, USA · Good · 37 AQI
- 61New York — AQI 61 (daily mean)New York, USA · Moderate · 61 AQI
- 37Vancouver — AQI 37 (daily mean)Vancouver, Canada · Good · 37 AQI
- 32Montreal — AQI 32 (daily mean)Montreal, Canada · Good · 32 AQI
- 20Toronto — AQI 20 (daily mean)Toronto, Canada · Good · 20 AQI
- 21Washington — AQI 21 (daily mean)Washington, USA · Good · 21 AQI
- 28Miami — AQI 28 (daily mean)Miami, USA · Good · 28 AQI
- 43Denver — AQI 43 (daily mean)Denver, USA · Good · 43 AQI
- 47Seattle — AQI 47 (daily mean)Seattle, USA · Good · 47 AQI
- 44San Francisco — AQI 44 (daily mean)San Francisco, USA · Good · 44 AQI
- 56Phoenix — AQI 56 (daily mean)Phoenix, USA · Moderate · 56 AQI
- 10Chicago — AQI 10 (daily mean)Chicago, USA · Good · 10 AQI
- 45Los Angeles — AQI 45 (daily mean)Los Angeles, USA · Good · 45 AQI
- 43New York — AQI 43 (daily mean)New York, USA · Good · 43 AQI
- 54Vancouver — AQI 54 (daily mean)Vancouver, Canada · Moderate · 54 AQI
- 25Montreal — AQI 25 (daily mean)Montreal, Canada · Good · 25 AQI
- 23Toronto — AQI 23 (daily mean)Toronto, Canada · Good · 23 AQI
- 30Washington — AQI 30 (daily mean)Washington, USA · Good · 30 AQI
- 32Miami — AQI 32 (daily mean)Miami, USA · Good · 32 AQI
- 55Denver — AQI 55 (daily mean)Denver, USA · Moderate · 55 AQI
- 27Seattle — AQI 27 (daily mean)Seattle, USA · Good · 27 AQI
- 25San Francisco — AQI 25 (daily mean)San Francisco, USA · Good · 25 AQI
- 62Phoenix — AQI 62 (daily mean)Phoenix, USA · Moderate · 62 AQI
- 30Chicago — AQI 30 (daily mean)Chicago, USA · Good · 30 AQI
- 54Los Angeles — AQI 54 (daily mean)Los Angeles, USA · Moderate · 54 AQI
- 48New York — AQI 48 (daily mean)New York, USA · Good · 48 AQI
- 112Vancouver — AQI 112 (daily mean)Vancouver, Canada · Unhealthy (sensitive) · 112 AQI
- 26Montreal — AQI 26 (daily mean)Montreal, Canada · Good · 26 AQI
- 31Toronto — AQI 31 (daily mean)Toronto, Canada · Good · 31 AQI
- 41Washington — AQI 41 (daily mean)Washington, USA · Good · 41 AQI
- 19Miami — AQI 19 (daily mean)Miami, USA · Good · 19 AQI
- 47Denver — AQI 47 (daily mean)Denver, USA · Good · 47 AQI
- 60Seattle — AQI 60 (daily mean)Seattle, USA · Moderate · 60 AQI
- 44San Francisco — AQI 44 (daily mean)San Francisco, USA · Good · 44 AQI
- 65Phoenix — AQI 65 (daily mean)Phoenix, USA · Moderate · 65 AQI
- 17Chicago — AQI 17 (daily mean)Chicago, USA · Good · 17 AQI
- 62Los Angeles — AQI 62 (daily mean)Los Angeles, USA · Moderate · 62 AQI
- 53New York — AQI 53 (daily mean)New York, USA · Moderate · 53 AQI
- 113Vancouver — AQI 113 (daily mean)Vancouver, Canada · Unhealthy (sensitive) · 113 AQI
- 50Montreal — AQI 50 (daily mean)Montreal, Canada · Good · 50 AQI
- 48Toronto — AQI 48 (daily mean)Toronto, Canada · Good · 48 AQI
- 46Washington — AQI 46 (daily mean)Washington, USA · Good · 46 AQI
- 34Miami — AQI 34 (daily mean)Miami, USA · Good · 34 AQI
- 13Denver — AQI 13 (daily mean)Denver, USA · Good · 13 AQI
- 93Seattle — AQI 93 (daily mean)Seattle, USA · Moderate · 93 AQI
- 44San Francisco — AQI 44 (daily mean)San Francisco, USA · Good · 44 AQI
- 63Phoenix — AQI 63 (daily mean)Phoenix, USA · Moderate · 63 AQI
- 26Chicago — AQI 26 (daily mean)Chicago, USA · Good · 26 AQI
- 62Los Angeles — AQI 62 (daily mean)Los Angeles, USA · Moderate · 62 AQI
- 58New York — AQI 58 (daily mean)New York, USA · Moderate · 58 AQI
- 79Vancouver — AQI 79 (daily mean)Vancouver, Canada · Moderate · 79 AQI
- 18Montreal — AQI 18 (daily mean)Montreal, Canada · Good · 18 AQI
- 48Toronto — AQI 48 (daily mean)Toronto, Canada · Good · 48 AQI
- 32Washington — AQI 32 (daily mean)Washington, USA · Good · 32 AQI
- 21Miami — AQI 21 (daily mean)Miami, USA · Good · 21 AQI
- 53Denver — AQI 53 (daily mean)Denver, USA · Moderate · 53 AQI
- 81Seattle — AQI 81 (daily mean)Seattle, USA · Moderate · 81 AQI
- 32San Francisco — AQI 32 (daily mean)San Francisco, USA · Good · 32 AQI
- 38Phoenix — AQI 38 (daily mean)Phoenix, USA · Good · 38 AQI
- 51Chicago — AQI 51 (daily mean)Chicago, USA · Moderate · 51 AQI
- 55Los Angeles — AQI 55 (daily mean)Los Angeles, USA · Moderate · 55 AQI
- 57New York — AQI 57 (daily mean)New York, USA · Moderate · 57 AQI
- 54Vancouver — AQI 54 (daily mean)Vancouver, Canada · Moderate · 54 AQI
- 35Montreal — AQI 35 (daily mean)Montreal, Canada · Good · 35 AQI
- 61Toronto — AQI 61 (daily mean)Toronto, Canada · Moderate · 61 AQI
- 79Washington — AQI 79 (daily mean)Washington, USA · Moderate · 79 AQI
- 17Miami — AQI 17 (daily mean)Miami, USA · Good · 17 AQI
- 60Denver — AQI 60 (daily mean)Denver, USA · Moderate · 60 AQI
- 52Seattle — AQI 52 (daily mean)Seattle, USA · Moderate · 52 AQI
- 24San Francisco — AQI 24 (daily mean)San Francisco, USA · Good · 24 AQI
- 15Phoenix — AQI 15 (daily mean)Phoenix, USA · Good · 15 AQI
- 52Chicago — AQI 52 (daily mean)Chicago, USA · Moderate · 52 AQI
- 30Los Angeles — AQI 30 (daily mean)Los Angeles, USA · Good · 30 AQI
- 50New York — AQI 50 (daily mean)New York, USA · Good · 50 AQI
- 43Vancouver — AQI 43 (daily mean)Vancouver, Canada · Good · 43 AQI
- 16Montreal — AQI 16 (daily mean)Montreal, Canada · Good · 16 AQI
- 29Toronto — AQI 29 (daily mean)Toronto, Canada · Good · 29 AQI
- 25Washington — AQI 25 (daily mean)Washington, USA · Good · 25 AQI
- 25Miami — AQI 25 (daily mean)Miami, USA · Good · 25 AQI
- 63Denver — AQI 63 (daily mean)Denver, USA · Moderate · 63 AQI
- 60Seattle — AQI 60 (daily mean)Seattle, USA · Moderate · 60 AQI
- 31San Francisco — AQI 31 (daily mean)San Francisco, USA · Good · 31 AQI
- 17Phoenix — AQI 17 (daily mean)Phoenix, USA · Good · 17 AQI
- 35Chicago — AQI 35 (daily mean)Chicago, USA · Good · 35 AQI
- 55Los Angeles — AQI 55 (daily mean)Los Angeles, USA · Moderate · 55 AQI
- 24New York — AQI 24 (daily mean)New York, USA · Good · 24 AQI
- 23Vancouver — AQI 23 (daily mean)Vancouver, Canada · Good · 23 AQI
- 24Montreal — AQI 24 (daily mean)Montreal, Canada · Good · 24 AQI
- 16Toronto — AQI 16 (daily mean)Toronto, Canada · Good · 16 AQI
- 30Washington — AQI 30 (daily mean)Washington, USA · Good · 30 AQI
- 27Miami — AQI 27 (daily mean)Miami, USA · Good · 27 AQI
- 62Denver — AQI 62 (daily mean)Denver, USA · Moderate · 62 AQI
- 45Seattle — AQI 45 (daily mean)Seattle, USA · Good · 45 AQI
- 51San Francisco — AQI 51 (daily mean)San Francisco, USA · Moderate · 51 AQI
- 40Phoenix — AQI 40 (daily mean)Phoenix, USA · Good · 40 AQI
- 31Chicago — AQI 31 (daily mean)Chicago, USA · Good · 31 AQI
- 55Los Angeles — AQI 55 (daily mean)Los Angeles, USA · Moderate · 55 AQI
- 55New York — AQI 55 (daily mean)New York, USA · Moderate · 55 AQI
- 26Vancouver — AQI 26 (daily mean)Vancouver, Canada · Good · 26 AQI
- 57Montreal — AQI 57 (daily mean)Montreal, Canada · Moderate · 57 AQI
- 41Toronto — AQI 41 (daily mean)Toronto, Canada · Good · 41 AQI
- 56Washington — AQI 56 (daily mean)Washington, USA · Moderate · 56 AQI
- 20Miami — AQI 20 (daily mean)Miami, USA · Good · 20 AQI
- 47Denver — AQI 47 (daily mean)Denver, USA · Good · 47 AQI
- 24Seattle — AQI 24 (daily mean)Seattle, USA · Good · 24 AQI
- 52San Francisco — AQI 52 (daily mean)San Francisco, USA · Moderate · 52 AQI
- 47Phoenix — AQI 47 (daily mean)Phoenix, USA · Good · 47 AQI
- 34Chicago — AQI 34 (daily mean)Chicago, USA · Good · 34 AQI
- 64Los Angeles — AQI 64 (daily mean)Los Angeles, USA · Moderate · 64 AQI
- 67New York — AQI 67 (daily mean)New York, USA · Moderate · 67 AQI
- 19Vancouver — AQI 19 (daily mean)Vancouver, Canada · Good · 19 AQI
- 65Montreal — AQI 65 (daily mean)Montreal, Canada · Moderate · 65 AQI
- 17Toronto — AQI 17 (daily mean)Toronto, Canada · Good · 17 AQI
- 60Washington — AQI 60 (daily mean)Washington, USA · Moderate · 60 AQI
- 17Miami — AQI 17 (daily mean)Miami, USA · Good · 17 AQI
- 37Denver — AQI 37 (daily mean)Denver, USA · Good · 37 AQI
- 13Seattle — AQI 13 (daily mean)Seattle, USA · Good · 13 AQI
- 44San Francisco — AQI 44 (daily mean)San Francisco, USA · Good · 44 AQI
- 41Phoenix — AQI 41 (daily mean)Phoenix, USA · Good · 41 AQI
- 49Chicago — AQI 49 (daily mean)Chicago, USA · Good · 49 AQI
- 70Los Angeles — AQI 70 (daily mean)Los Angeles, USA · Moderate · 70 AQI
- 79New York — AQI 79 (daily mean)New York, USA · Moderate · 79 AQI
- 56Vancouver — AQI 56 (daily mean)Vancouver, Canada · Moderate · 56 AQI
- 18Montreal — AQI 18 (daily mean)Montreal, Canada · Good · 18 AQI
- 5Toronto — AQI 5 (daily mean)Toronto, Canada · Good · 5 AQI
- 52Washington — AQI 52 (daily mean)Washington, USA · Moderate · 52 AQI
- 48Miami — AQI 48 (daily mean)Miami, USA · Good · 48 AQI
- 27Denver — AQI 27 (daily mean)Denver, USA · Good · 27 AQI
- 53Seattle — AQI 53 (daily mean)Seattle, USA · Moderate · 53 AQI
- 26San Francisco — AQI 26 (daily mean)San Francisco, USA · Good · 26 AQI
- 40Phoenix — AQI 40 (daily mean)Phoenix, USA · Good · 40 AQI
- 59Chicago — AQI 59 (daily mean)Chicago, USA · Moderate · 59 AQI
- 68Los Angeles — AQI 68 (daily mean)Los Angeles, USA · Moderate · 68 AQI
- 41New York — AQI 41 (daily mean)New York, USA · Good · 41 AQI
- 24Vancouver — AQI 24 (daily mean)Vancouver, Canada · Good · 24 AQI
- 25Montreal — AQI 25 (daily mean)Montreal, Canada · Good · 25 AQI
- 52Toronto — AQI 52 (daily mean)Toronto, Canada · Moderate · 52 AQI
- 61Washington — AQI 61 (daily mean)Washington, USA · Moderate · 61 AQI
- 39Miami — AQI 39 (daily mean)Miami, USA · Good · 39 AQI
- 23Denver — AQI 23 (daily mean)Denver, USA · Good · 23 AQI
- 47Seattle — AQI 47 (daily mean)Seattle, USA · Good · 47 AQI
- 52San Francisco — AQI 52 (daily mean)San Francisco, USA · Moderate · 52 AQI
- 34Phoenix — AQI 34 (daily mean)Phoenix, USA · Good · 34 AQI
- 41Chicago — AQI 41 (daily mean)Chicago, USA · Good · 41 AQI
- 72Los Angeles — AQI 72 (daily mean)Los Angeles, USA · Moderate · 72 AQI
- 62New York — AQI 62 (daily mean)New York, USA · Moderate · 62 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