Salt Lake City (Clover Crest Number 2) UT, US: 40.662841, -111.901796
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| June 23, 2021, 3 p.m. | 70.3 ppb (69) | 38.0 ppb (36) | N/A | 33.0 ppb (32) | N/A | N/A | 13.0 ppb (13) | 0.3 ppb (4) | N/A | 18.1 μg/m3 (64) | 69.0 | |
| June 23, 2021, 2 p.m. | 60.2 ppb (58) | 31.3 ppb (30) | N/A | 29.0 ppb (28) | N/A | N/A | 15.0 ppb (14) | 0.2 ppb (3) | N/A | 15.4 μg/m3 (58) | 58.0 | |
| June 23, 2021, 1 p.m. | 58.2 ppb (56) | 28.7 ppb (28) | N/A | 30.0 ppb (29) | N/A | N/A | 14.0 ppb (13) | 0.2 ppb (3) | N/A | 16.9 μg/m3 (62) | 62.0 | |
| June 23, 2021, noon | 44.6 ppb (43) | 20.1 ppb (19) | N/A | 25.0 ppb (24) | N/A | N/A | 19.0 ppb (18) | 0.1 ppb (2) | N/A | 11.3 μg/m3 (48) | 48.0 | |
| June 23, 2021, 11 a.m. | 5.1 ppb (5) | 0.7 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 42.0 ppb (39) | N/A | N/A | 5.7 μg/m3 (24) | 39.0 | |
| June 23, 2021, 10 a.m. | 3.4 ppb (4) | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 45.0 ppb (42) | N/A | N/A | 4.3 μg/m3 (18) | 42.0 | |
| June 23, 2021, 9 a.m. | 4.0 ppb (4) | 0.1 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 47.0 ppb (44) | N/A | N/A | 3.4 μg/m3 (15) | 44.0 | |
| June 23, 2021, 8 a.m. | 6.0 ppb (6) | 0.7 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 47.0 ppb (44) | N/A | N/A | 3.8 μg/m3 (16) | 44.0 | |
| June 23, 2021, 7 a.m. | 11.5 ppb (11) | 1.8 ppb (2) | N/A | 10.0 ppb (10) | N/A | N/A | 44.0 ppb (41) | 0.0 ppb (0) | N/A | 5.3 μg/m3 (23) | 41.0 | |
| June 23, 2021, 6 a.m. | 14.2 ppb (14) | 1.7 ppb (2) | N/A | 13.0 ppb (13) | N/A | N/A | 41.0 ppb (38) | 0.0 ppb (0) | N/A | 6.8 μg/m3 (29) | 38.0 | |
| June 23, 2021, 5 a.m. | 18.2 ppb (18) | 1.3 ppb (2) | N/A | 17.0 ppb (17) | N/A | N/A | 35.0 ppb (33) | 0.0 ppb (0) | N/A | 8.2 μg/m3 (35) | 35.0 | |
| June 23, 2021, 4 a.m. | 27.3 ppb (26) | 6.9 ppb (7) | N/A | 21.0 ppb (20) | N/A | N/A | 34.0 ppb (32) | 0.0 ppb (0) | N/A | 6.5 μg/m3 (28) | 32.0 | |
| June 23, 2021, 3 a.m. | 19.0 ppb (18) | 4.3 ppb (5) | N/A | 15.0 ppb (15) | N/A | N/A | 41.0 ppb (38) | 0.0 ppb (0) | N/A | 5.9 μg/m3 (25) | 38.0 | |
| June 23, 2021, 2 a.m. | 4.6 ppb (5) | 0.6 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 57.0 ppb (58) | 0.0 ppb (0) | N/A | 5.0 μg/m3 (21) | 58.0 | |
| June 23, 2021, 1 a.m. | 2.9 ppb (3) | 0.5 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 61.0 ppb (71) | N/A | N/A | 4.5 μg/m3 (19) | 71.0 | |
| June 23, 2021, midnight | 10.8 ppb (11) | 3.3 ppb (4) | N/A | 8.0 ppb (8) | N/A | N/A | 61.0 ppb (71) | 0.0 ppb (0) | N/A | 6.0 μg/m3 (25) | 71.0 | |
| June 22, 2021, 11 p.m. | 4.3 ppb (5) | 0.8 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 66.0 ppb (87) | N/A | N/A | 6.7 μg/m3 (28) | 87.0 | |
| June 22, 2021, 10 p.m. | 16.8 ppb (16) | 6.0 ppb (6) | N/A | 11.0 ppb (11) | N/A | N/A | 59.0 ppb (65) | 0.0 ppb (0) | N/A | 12.0 μg/m3 (50) | 65.0 | |
| June 22, 2021, 9 p.m. | 23.8 ppb (23) | 11.6 ppb (11) | N/A | 12.0 ppb (12) | N/A | N/A | 53.0 ppb (50) | 0.0 ppb (0) | N/A | 13.2 μg/m3 (54) | 54.0 | |
| June 22, 2021, 8 p.m. | 27.0 ppb (26) | 12.5 ppb (12) | N/A | 15.0 ppb (15) | N/A | N/A | 52.0 ppb (49) | 0.0 ppb (0) | N/A | 11.3 μg/m3 (48) | 49.0 | |
| June 22, 2021, 7 p.m. | 25.5 ppb (25) | 10.7 ppb (11) | N/A | 15.0 ppb (15) | N/A | N/A | 53.0 ppb (50) | 0.0 ppb (0) | N/A | 17.2 μg/m3 (62) | 62.0 | |
| June 22, 2021, 6 p.m. | 25.2 ppb (24) | 9.6 ppb (10) | N/A | 16.0 ppb (16) | N/A | N/A | 53.0 ppb (50) | 0.0 ppb (0) | N/A | 13.7 μg/m3 (55) | 55.0 | |
| June 22, 2021, 5 p.m. | 21.0 ppb (20) | 7.6 ppb (8) | N/A | 14.0 ppb (14) | N/A | N/A | 53.0 ppb (50) | 0.0 ppb (0) | N/A | 13.6 μg/m3 (55) | 55.0 | |
| June 22, 2021, 4 p.m. | 14.7 ppb (14) | 5.0 ppb (5) | N/A | 10.0 ppb (10) | N/A | N/A | 52.0 ppb (49) | N/A | N/A | 24.1 μg/m3 (77) | 77.0 | |
| June 22, 2021, 3 p.m. | 15.9 ppb (15) | 4.9 ppb (5) | N/A | 11.0 ppb (11) | N/A | N/A | 43.0 ppb (40) | N/A | N/A | 16.4 μg/m3 (61) | 61.0 | |
| June 22, 2021, 2 p.m. | 54.8 ppb (52) | 27.2 ppb (26) | N/A | 28.0 ppb (27) | N/A | N/A | 23.0 ppb (22) | 0.1 ppb (2) | N/A | 16.5 μg/m3 (61) | 61.0 | |
| June 22, 2021, 1 p.m. | 57.5 ppb (55) | 27.8 ppb (27) | N/A | 30.0 ppb (29) | N/A | N/A | 19.0 ppb (18) | 0.1 ppb (2) | N/A | 16.8 μg/m3 (61) | 61.0 | |
| June 22, 2021, noon | 53.9 ppb (51) | 24.7 ppb (24) | N/A | 29.0 ppb (28) | N/A | N/A | 17.0 ppb (16) | 0.1 ppb (2) | N/A | 14.6 μg/m3 (57) | 57.0 | |
| June 22, 2021, 11 a.m. | 38.3 ppb (37) | 16.0 ppb (16) | N/A | 23.0 ppb (22) | N/A | N/A | 16.0 ppb (15) | 0.0 ppb (0) | N/A | 13.8 μg/m3 (55) | 55.0 | |
| June 22, 2021, 10 a.m. | 23.3 ppb (22) | 3.2 ppb (4) | N/A | 20.0 ppb (19) | N/A | N/A | 18.0 ppb (17) | N/A | N/A | 12.1 μg/m3 (51) | 51.0 | |
| June 22, 2021, 9 a.m. | 18.8 ppb (18) | 2.1 ppb (2) | N/A | 17.0 ppb (17) | N/A | N/A | 19.0 ppb (18) | N/A | N/A | 10.6 μg/m3 (45) | 45.0 | |
| June 22, 2021, 8 a.m. | 25.4 ppb (24) | 2.5 ppb (3) | N/A | 23.0 ppb (22) | N/A | N/A | 13.0 ppb (13) | 0.0 ppb (0) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| June 22, 2021, 7 a.m. | 25.8 ppb (25) | 1.0 ppb (1) | N/A | 25.0 ppb (24) | N/A | N/A | 10.0 ppb (10) | 0.0 ppb (0) | N/A | 10.6 μg/m3 (45) | 45.0 | |
| June 22, 2021, 6 a.m. | 20.9 ppb (20) | 1.0 ppb (1) | N/A | 20.0 ppb (19) | N/A | N/A | 16.0 ppb (15) | 0.0 ppb (0) | N/A | 10.4 μg/m3 (44) | 44.0 | |
| June 22, 2021, 5 a.m. | 13.6 ppb (13) | 3.0 ppb (3) | N/A | 11.0 ppb (11) | N/A | N/A | 37.0 ppb (35) | 0.0 ppb (0) | N/A | 6.8 μg/m3 (29) | 35.0 | |
| June 22, 2021, 4 a.m. | 21.0 ppb (20) | 5.6 ppb (6) | N/A | 15.0 ppb (15) | N/A | N/A | 34.0 ppb (32) | 0.0 ppb (0) | N/A | 8.2 μg/m3 (35) | 35.0 | |
| June 22, 2021, 3 a.m. | 19.9 ppb (19) | 4.3 ppb (5) | N/A | 16.0 ppb (16) | N/A | N/A | 37.0 ppb (35) | 0.0 ppb (0) | N/A | 8.8 μg/m3 (37) | 37.0 | |
| June 22, 2021, 2 a.m. | 6.0 ppb (6) | 0.2 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | 53.0 ppb (50) | N/A | N/A | 7.4 μg/m3 (31) | 50.0 | |
| June 22, 2021, 1 a.m. | 3.0 ppb (3) | 0.4 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 58.0 ppb (61) | N/A | N/A | 6.0 μg/m3 (25) | 61.0 | |
| June 22, 2021, midnight | 11.1 ppb (11) | 3.2 ppb (4) | N/A | 8.0 ppb (8) | N/A | N/A | 58.0 ppb (61) | 0.0 ppb (0) | N/A | 6.3 μg/m3 (27) | 61.0 | |
| June 21, 2021, 11 p.m. | 11.0 ppb (11) | 2.7 ppb (3) | N/A | 8.0 ppb (8) | N/A | N/A | 73.0 ppb (103) | 0.0 ppb (0) | N/A | 10.4 μg/m3 (44) | 103.0 | |
| June 21, 2021, 10 p.m. | 6.7 ppb (7) | 0.9 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | 92.0 ppb (113) | N/A | N/A | 13.3 μg/m3 (54) | 113.0 | |
| June 21, 2021, 9 p.m. | 5.1 ppb (5) | 0.5 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 89.0 ppb (111) | N/A | N/A | 7.9 μg/m3 (33) | 111.0 | |
| June 21, 2021, 8 p.m. | 9.9 ppb (10) | 3.1 ppb (3) | N/A | 7.0 ppb (7) | N/A | N/A | 72.0 ppb (102) | 0.0 ppb (0) | N/A | 8.1 μg/m3 (34) | 102.0 | |
| June 21, 2021, 7 p.m. | 6.3 ppb (6) | 1.8 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | 69.0 ppb (97) | N/A | N/A | 6.6 μg/m3 (28) | 97.0 | |
| June 21, 2021, 6 p.m. | 18.2 ppb (18) | 6.8 ppb (7) | N/A | 12.0 ppb (12) | N/A | N/A | 63.0 ppb (78) | 0.0 ppb (0) | N/A | 8.7 μg/m3 (37) | 78.0 | |
| June 21, 2021, 5 p.m. | 31.3 ppb (30) | 14.7 ppb (14) | N/A | 17.0 ppb (17) | N/A | N/A | 51.0 ppb (48) | 0.0 ppb (0) | N/A | 12.9 μg/m3 (53) | 53.0 | |
| June 21, 2021, 4 p.m. | 10.6 ppb (10) | 4.0 ppb (4) | N/A | 7.0 ppb (7) | N/A | N/A | 52.0 ppb (49) | N/A | N/A | 11.6 μg/m3 (49) | 49.0 | |
| June 21, 2021, 3 p.m. | 28.6 ppb (27) | 15.4 ppb (15) | N/A | 13.0 ppb (13) | N/A | N/A | 38.0 ppb (36) | 0.0 ppb (0) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| June 21, 2021, 2 p.m. | 31.6 ppb (30) | 18.1 ppb (18) | N/A | 14.0 ppb (14) | N/A | N/A | 30.0 ppb (28) | 0.0 ppb (0) | N/A | 8.2 μg/m3 (35) | 35.0 | |
| June 21, 2021, 1 p.m. | 42.6 ppb (41) | 20.7 ppb (20) | N/A | 22.0 ppb (21) | N/A | N/A | 20.0 ppb (19) | 0.0 ppb (0) | N/A | 10.2 μg/m3 (43) | 43.0 | |
| June 21, 2021, noon | 30.2 ppb (29) | 12.2 ppb (12) | N/A | 18.0 ppb (17) | N/A | N/A | 23.0 ppb (22) | 0.0 ppb (0) | N/A | 7.3 μg/m3 (31) | 31.0 | |
| June 21, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | N/A | 8.1 μg/m3 (34) | 34.0 | |
| June 21, 2021, 10 a.m. | 9.1 ppb (9) | 2.0 ppb (2) | N/A | 7.0 ppb (7) | N/A | N/A | 34.0 ppb (32) | N/A | N/A | 12.8 μg/m3 (53) | 53.0 | |
| June 21, 2021, 9 a.m. | 7.0 ppb (7) | 1.0 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | 40.0 ppb (38) | N/A | N/A | 11.8 μg/m3 (50) | 50.0 | |
| June 21, 2021, 8 a.m. | 10.1 ppb (10) | 0.8 ppb (1) | N/A | 9.0 ppb (9) | N/A | N/A | 36.0 ppb (34) | N/A | N/A | 12.5 μg/m3 (52) | 52.0 | |
| June 21, 2021, 7 a.m. | 11.3 ppb (11) | 0.5 ppb (1) | N/A | 11.0 ppb (11) | N/A | N/A | 37.0 ppb (35) | N/A | N/A | 16.1 μg/m3 (60) | 60.0 | |
| June 21, 2021, 6 a.m. | 14.0 ppb (14) | 0.2 ppb (1) | N/A | 14.0 ppb (14) | N/A | N/A | 35.0 ppb (33) | N/A | N/A | 13.1 μg/m3 (54) | 54.0 | |
| June 21, 2021, 5 a.m. | 12.3 ppb (12) | 0.1 ppb (1) | N/A | 12.0 ppb (12) | N/A | N/A | 42.0 ppb (39) | N/A | N/A | 6.1 μg/m3 (26) | 39.0 | |
| June 21, 2021, 4 a.m. | 11.1 ppb (11) | 0.1 ppb (1) | N/A | 11.0 ppb (11) | N/A | N/A | 39.0 ppb (37) | N/A | N/A | 5.6 μg/m3 (24) | 37.0 | |
| June 21, 2021, 3 a.m. | 18.4 ppb (18) | 4.2 ppb (4) | N/A | 14.0 ppb (14) | N/A | N/A | 30.0 ppb (28) | 0.0 ppb (0) | N/A | 4.6 μg/m3 (20) | 28.0 | |
| June 21, 2021, 2 a.m. | 4.0 ppb (4) | 0.3 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 40.0 ppb (38) | N/A | N/A | 3.5 μg/m3 (15) | 38.0 | |
| June 21, 2021, 1 a.m. | 1.4 ppb (2) | 0.1 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 44.0 ppb (41) | N/A | N/A | 13.7 μg/m3 (55) | 55.0 | |
| June 21, 2021, midnight | 4.8 ppb (5) | 1.8 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | 39.0 ppb (37) | N/A | N/A | 3.9 μg/m3 (17) | 37.0 | |
| June 20, 2021, 11 p.m. | 1.5 ppb (2) | 0.2 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 46.0 ppb (43) | N/A | N/A | 9.4 μg/m3 (40) | 43.0 | |
| June 20, 2021, 10 p.m. | 1.0 ppb (1) | 0.2 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 48.0 ppb (45) | N/A | N/A | 4.6 μg/m3 (20) | 45.0 | |
| June 20, 2021, 9 p.m. | 1.2 ppb (2) | 0.2 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 47.0 ppb (44) | N/A | N/A | 3.9 μg/m3 (17) | 44.0 | |
| June 20, 2021, 8 p.m. | 1.2 ppb (2) | 0.2 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 46.0 ppb (43) | N/A | N/A | 8.1 μg/m3 (34) | 43.0 | |
| June 20, 2021, 7 p.m. | 2.6 ppb (3) | 0.7 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 46.0 ppb (43) | N/A | N/A | 4.6 μg/m3 (20) | 43.0 | |
| June 20, 2021, 6 p.m. | 2.3 ppb (3) | 0.7 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 49.0 ppb (46) | N/A | N/A | 10.3 μg/m3 (43) | 46.0 | |
| June 20, 2021, 5 p.m. | 4.3 ppb (5) | 1.5 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | 50.0 ppb (47) | N/A | N/A | 10.5 μg/m3 (44) | 47.0 | |
| June 20, 2021, 4 p.m. | 9.1 ppb (9) | 3.1 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | 51.0 ppb (48) | N/A | N/A | 7.4 μg/m3 (31) | 48.0 | |
| June 20, 2021, 3 p.m. | 14.1 ppb (14) | 4.0 ppb (4) | N/A | 10.0 ppb (10) | N/A | N/A | 45.0 ppb (42) | N/A | N/A | 14.3 μg/m3 (56) | 56.0 | |
| June 20, 2021, 2 p.m. | 12.8 ppb (13) | 2.9 ppb (3) | N/A | 10.0 ppb (10) | N/A | N/A | 34.0 ppb (32) | N/A | N/A | 20.0 μg/m3 (68) | 68.0 | |
| June 20, 2021, 1 p.m. | 17.8 ppb (17) | 5.1 ppb (5) | N/A | 13.0 ppb (13) | N/A | N/A | 22.0 ppb (21) | 0.0 ppb (0) | N/A | 12.2 μg/m3 (52) | 52.0 | |
| June 20, 2021, noon | 23.0 ppb (22) | 5.8 ppb (6) | N/A | 17.0 ppb (17) | N/A | N/A | 7.0 ppb (7) | N/A | N/A | 14.4 μg/m3 (56) | 56.0 | |
| June 20, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (9) | 0.0 ppb (0) | N/A | 14.0 μg/m3 (55) | 55.0 | |
| June 20, 2021, 10 a.m. | 16.9 ppb (16) | 1.4 ppb (2) | N/A | 16.0 ppb (16) | N/A | N/A | 11.0 ppb (11) | N/A | N/A | 13.3 μg/m3 (54) | 54.0 | |
| June 20, 2021, 9 a.m. | 18.5 ppb (18) | 2.9 ppb (3) | N/A | 16.0 ppb (16) | N/A | N/A | 14.0 ppb (13) | 0.0 ppb (0) | N/A | 15.1 μg/m3 (58) | 58.0 | |
| June 20, 2021, 8 a.m. | 15.2 ppb (15) | 1.5 ppb (2) | N/A | 14.0 ppb (14) | N/A | N/A | 21.0 ppb (20) | N/A | N/A | 11.1 μg/m3 (47) | 47.0 | |
| June 20, 2021, 7 a.m. | 16.3 ppb (16) | 2.2 ppb (3) | N/A | 14.0 ppb (14) | N/A | N/A | 30.0 ppb (28) | N/A | N/A | 21.1 μg/m3 (70) | 70.0 | |
| June 20, 2021, 6 a.m. | 12.4 ppb (12) | 0.7 ppb (1) | N/A | 12.0 ppb (12) | N/A | N/A | 33.0 ppb (31) | N/A | N/A | 9.3 μg/m3 (39) | 39.0 | |
| June 20, 2021, 5 a.m. | 21.5 ppb (21) | 4.1 ppb (4) | N/A | 17.0 ppb (17) | N/A | N/A | 29.0 ppb (27) | 0.0 ppb (0) | N/A | 11.4 μg/m3 (48) | 48.0 | |
| June 20, 2021, 4 a.m. | 26.3 ppb (25) | 4.9 ppb (5) | N/A | 22.0 ppb (21) | N/A | N/A | 25.0 ppb (24) | 0.1 ppb (2) | N/A | 13.0 μg/m3 (53) | 53.0 | |
| June 20, 2021, 3 a.m. | 16.1 ppb (16) | 1.8 ppb (2) | N/A | 14.0 ppb (14) | N/A | N/A | 33.0 ppb (31) | 0.0 ppb (0) | N/A | 14.9 μg/m3 (57) | 57.0 | |
| June 20, 2021, 2 a.m. | 5.6 ppb (6) | 0.4 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 47.0 ppb (44) | N/A | N/A | 14.3 μg/m3 (56) | 56.0 | |
| June 20, 2021, 1 a.m. | 4.6 ppb (5) | 0.9 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 55.0 ppb (51) | N/A | N/A | 16.5 μg/m3 (61) | 61.0 | |
| June 20, 2021, midnight | 1.5 ppb (2) | 0.1 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 56.0 ppb (55) | N/A | N/A | 15.0 μg/m3 (58) | 58.0 | |
| June 19, 2021, 11 p.m. | 2.5 ppb (3) | 0.7 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 56.0 ppb (55) | N/A | N/A | 16.1 μg/m3 (60) | 60.0 | |
| June 19, 2021, 10 p.m. | 1.5 ppb (2) | 0.2 ppb (1) | N/A | 1.0 ppb (1) | N/A | N/A | 56.0 ppb (55) | N/A | N/A | 9.0 μg/m3 (38) | 55.0 | |
| June 19, 2021, 9 p.m. | 5.7 ppb (6) | 1.5 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | 64.0 ppb (81) | N/A | N/A | 10.7 μg/m3 (45) | 81.0 | |
| June 19, 2021, 8 p.m. | 8.4 ppb (8) | 2.3 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | 61.0 ppb (71) | N/A | N/A | 10.9 μg/m3 (46) | 71.0 | |
| June 19, 2021, 7 p.m. | 5.7 ppb (6) | 1.3 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | 64.0 ppb (81) | N/A | N/A | 11.5 μg/m3 (48) | 81.0 | |
| June 19, 2021, 6 p.m. | 5.4 ppb (6) | 1.1 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | 67.0 ppb (91) | N/A | N/A | 12.5 μg/m3 (52) | 91.0 | |
| June 19, 2021, 5 p.m. | 13.3 ppb (13) | 4.1 ppb (4) | N/A | 9.0 ppb (9) | N/A | N/A | 58.0 ppb (61) | 0.0 ppb (0) | N/A | 18.6 μg/m3 (65) | 65.0 | |
| June 19, 2021, 4 p.m. | 17.1 ppb (17) | 6.3 ppb (6) | N/A | 11.0 ppb (11) | N/A | N/A | 47.0 ppb (44) | 0.0 ppb (0) | N/A | 24.2 μg/m3 (77) | 77.0 | |
| June 19, 2021, 3 p.m. | 8.5 ppb (9) | 1.7 ppb (2) | N/A | 7.0 ppb (7) | N/A | N/A | 43.0 ppb (40) | N/A | N/A | 14.3 μg/m3 (56) | 56.0 | |
| June 19, 2021, 2 p.m. | 16.2 ppb (16) | 2.9 ppb (3) | N/A | 13.0 ppb (13) | N/A | N/A | 36.0 ppb (34) | N/A | N/A | 10.8 μg/m3 (46) | 46.0 | |
| June 19, 2021, 1 p.m. | 24.5 ppb (24) | 6.4 ppb (7) | N/A | 18.0 ppb (17) | N/A | N/A | 28.0 ppb (26) | 0.0 ppb (0) | N/A | 12.2 μg/m3 (52) | 52.0 | |
| June 19, 2021, noon | 21.7 ppb (21) | 5.4 ppb (6) | N/A | 16.0 ppb (16) | N/A | N/A | 31.0 ppb (29) | 0.0 ppb (0) | N/A | 11.4 μg/m3 (48) | 48.0 | |
| June 19, 2021, 11 a.m. | 13.2 ppb (13) | 2.3 ppb (3) | N/A | 11.0 ppb (11) | N/A | N/A | 36.0 ppb (34) | N/A | N/A | 11.8 μg/m3 (50) | 50.0 | |
| June 19, 2021, 10 a.m. | 4.0 ppb (4) | 0.3 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 49.0 ppb (46) | N/A | N/A | 10.6 μg/m3 (45) | 46.0 | |
| June 19, 2021, 9 a.m. | 6.4 ppb (7) | 0.5 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | 47.0 ppb (44) | N/A | N/A | 11.6 μg/m3 (49) | 49.0 | |
| June 19, 2021, 8 a.m. | 5.5 ppb (6) | 0.8 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 51.0 ppb (48) | N/A | N/A | 10.8 μg/m3 (46) | 48.0 | |
| June 19, 2021, 7 a.m. | 18.3 ppb (18) | 3.1 ppb (3) | N/A | 15.0 ppb (15) | N/A | N/A | 32.0 ppb (30) | 0.0 ppb (0) | N/A | 13.6 μg/m3 (55) | 55.0 | |
| June 19, 2021, 6 a.m. | 17.5 ppb (17) | 1.9 ppb (2) | N/A | 16.0 ppb (16) | N/A | N/A | 28.0 ppb (26) | 0.0 ppb (0) | N/A | 13.9 μg/m3 (55) | 55.0 | |
| June 19, 2021, 5 a.m. | 21.0 ppb (20) | 4.3 ppb (5) | N/A | 17.0 ppb (17) | N/A | N/A | 30.0 ppb (28) | 0.0 ppb (0) | N/A | 15.4 μg/m3 (58) | 58.0 | |
| June 19, 2021, 4 a.m. | 24.1 ppb (23) | 5.1 ppb (5) | N/A | 19.0 ppb (18) | N/A | N/A | 33.0 ppb (31) | 0.0 ppb (0) | N/A | 13.6 μg/m3 (55) | 55.0 | |
| June 19, 2021, 3 a.m. | 14.1 ppb (14) | 0.2 ppb (1) | N/A | 14.0 ppb (14) | N/A | N/A | 43.0 ppb (40) | 0.0 ppb (0) | N/A | 14.9 μg/m3 (57) | 57.0 | |
| June 19, 2021, 2 a.m. | 10.9 ppb (11) | 0.6 ppb (1) | N/A | 11.0 ppb (11) | N/A | N/A | 54.0 ppb (50) | 0.0 ppb (0) | N/A | 12.7 μg/m3 (53) | 53.0 | |
| June 19, 2021, 1 a.m. | 7.7 ppb (8) | 1.0 ppb (1) | N/A | 7.0 ppb (7) | N/A | N/A | 63.0 ppb (78) | N/A | N/A | 12.0 μg/m3 (50) | 78.0 | |
| June 19, 2021, midnight | 4.5 ppb (5) | 0.6 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 63.0 ppb (78) | N/A | N/A | 12.0 μg/m3 (50) | 78.0 | |
| June 18, 2021, 11 p.m. | 6.6 ppb (7) | 1.4 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 66.0 ppb (87) | 0.0 ppb (0) | N/A | 11.7 μg/m3 (49) | 87.0 | |
| June 18, 2021, 10 p.m. | 4.8 ppb (5) | 0.9 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 74.0 ppb (103) | N/A | N/A | 11.1 μg/m3 (47) | 103.0 | |
| June 18, 2021, 9 p.m. | 3.1 ppb (3) | 0.5 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 67.0 ppb (91) | N/A | N/A | N/A | 91.0 | |
| June 18, 2021, 8 p.m. | 10.8 ppb (11) | 3.1 ppb (3) | N/A | 8.0 ppb (8) | N/A | N/A | 67.0 ppb (91) | 0.0 ppb (0) | N/A | N/A | 91.0 | |
| June 18, 2021, 7 p.m. | 25.3 ppb (24) | 8.7 ppb (9) | N/A | 17.0 ppb (17) | N/A | N/A | 71.0 ppb (101) | 0.0 ppb (0) | N/A | N/A | 101.0 | |
| June 18, 2021, 6 p.m. | 12.7 ppb (12) | 3.2 ppb (4) | N/A | 10.0 ppb (10) | N/A | N/A | 64.0 ppb (81) | N/A | N/A | N/A | 81.0 | |
| June 18, 2021, 5 p.m. | 16.1 ppb (16) | 3.3 ppb (4) | N/A | 13.0 ppb (13) | N/A | N/A | 52.0 ppb (49) | N/A | N/A | N/A | 49.0 | |
| June 18, 2021, 4 p.m. | 35.3 ppb (34) | 13.3 ppb (13) | N/A | 22.0 ppb (21) | N/A | N/A | 39.0 ppb (37) | 0.0 ppb (0) | N/A | N/A | 37.0 | |
| June 18, 2021, 3 p.m. | 49.3 ppb (47) | 19.0 ppb (18) | N/A | 30.0 ppb (29) | N/A | N/A | 22.0 ppb (21) | 0.1 ppb (2) | N/A | N/A | 47.0 | |
| June 18, 2021, 2 p.m. | 52.5 ppb (50) | 22.9 ppb (22) | N/A | 30.0 ppb (29) | N/A | N/A | 15.0 ppb (14) | 0.1 ppb (2) | N/A | N/A | 50.0 | |
| June 18, 2021, 1 p.m. | 37.6 ppb (36) | 14.4 ppb (14) | N/A | 23.0 ppb (22) | N/A | N/A | 19.0 ppb (18) | 0.0 ppb (0) | N/A | N/A | 36.0 | |
| June 18, 2021, noon | 32.6 ppb (31) | 9.5 ppb (9) | N/A | 23.0 ppb (22) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 31.0 | |
| June 18, 2021, 11 a.m. | 32.8 ppb (31) | 9.8 ppb (10) | N/A | 23.0 ppb (22) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 31.0 | |
| June 18, 2021, 10 a.m. | 19.1 ppb (19) | 0.7 ppb (1) | N/A | 19.0 ppb (18) | N/A | N/A | 13.0 ppb (13) | 0.0 ppb (0) | N/A | N/A | 19.0 | |
| June 18, 2021, 9 a.m. | 25.1 ppb (24) | 3.0 ppb (3) | N/A | 22.0 ppb (21) | N/A | N/A | 14.0 ppb (13) | 0.0 ppb (0) | N/A | N/A | 24.0 | |
| June 18, 2021, 8 a.m. | 30.1 ppb (29) | 3.7 ppb (4) | N/A | 27.0 ppb (26) | N/A | N/A | 13.0 ppb (13) | 0.0 ppb (0) | N/A | N/A | 29.0 | |
| June 18, 2021, 7 a.m. | 16.9 ppb (16) | 0.2 ppb (1) | N/A | 17.0 ppb (17) | N/A | N/A | 21.0 ppb (20) | 0.0 ppb (0) | N/A | N/A | 20.0 | |
| June 18, 2021, 6 a.m. | 16.0 ppb (16) | 2.6 ppb (3) | N/A | 14.0 ppb (14) | N/A | N/A | 31.0 ppb (29) | 0.0 ppb (0) | N/A | N/A | 29.0 | |
| June 18, 2021, 5 a.m. | 15.1 ppb (15) | 4.5 ppb (5) | N/A | 11.0 ppb (11) | N/A | N/A | 41.0 ppb (38) | 0.0 ppb (0) | N/A | N/A | 38.0 | |
| June 18, 2021, 4 a.m. | 25.1 ppb (24) | 6.5 ppb (7) | N/A | 19.0 ppb (18) | N/A | N/A | 32.0 ppb (30) | 0.0 ppb (0) | N/A | N/A | 30.0 | |
| June 18, 2021, 3 a.m. | 30.5 ppb (29) | 7.1 ppb (7) | N/A | 24.0 ppb (23) | N/A | N/A | 38.0 ppb (36) | 0.1 ppb (2) | N/A | N/A | 36.0 | |
| June 18, 2021, 2 a.m. | 12.0 ppb (12) | 0.4 ppb (1) | N/A | 12.0 ppb (12) | N/A | N/A | 59.0 ppb (65) | 0.0 ppb (0) | N/A | N/A | 65.0 | |
| June 18, 2021, 1 a.m. | 5.7 ppb (6) | 0.3 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 74.0 ppb (103) | N/A | N/A | N/A | 103.0 | |
| June 18, 2021, midnight | 5.5 ppb (6) | 0.4 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 74.0 ppb (103) | N/A | N/A | N/A | 103.0 | |
| June 17, 2021, 11 p.m. | 6.1 ppb (6) | 1.0 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 76.0 ppb (104) | N/A | N/A | N/A | 104.0 | |
| June 17, 2021, 10 p.m. | 5.7 ppb (6) | 0.7 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 72.0 ppb (102) | N/A | N/A | N/A | 102.0 | |
| June 17, 2021, 9 p.m. | 5.3 ppb (5) | 0.6 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 75.0 ppb (104) | N/A | N/A | N/A | 104.0 | |
| June 17, 2021, 8 p.m. | 6.9 ppb (7) | 1.5 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 76.0 ppb (104) | N/A | N/A | N/A | 104.0 | |
| June 17, 2021, 7 p.m. | 7.5 ppb (8) | 1.3 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 74.0 ppb (103) | N/A | N/A | N/A | 103.0 | |
| June 17, 2021, 6 p.m. | 6.9 ppb (7) | 1.3 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 68.0 ppb (94) | N/A | N/A | N/A | 94.0 | |
| June 17, 2021, 5 p.m. | 15.8 ppb (15) | 4.5 ppb (5) | N/A | 11.0 ppb (11) | N/A | N/A | 55.0 ppb (51) | N/A | N/A | N/A | 51.0 | |
| June 17, 2021, 4 p.m. | 23.4 ppb (23) | 7.5 ppb (8) | N/A | 16.0 ppb (16) | N/A | N/A | 44.0 ppb (41) | N/A | N/A | N/A | 41.0 | |
| June 17, 2021, 3 p.m. | 16.8 ppb (16) | 4.0 ppb (4) | N/A | 13.0 ppb (13) | N/A | N/A | 40.0 ppb (38) | N/A | N/A | N/A | 38.0 | |
| June 17, 2021, 2 p.m. | 19.8 ppb (19) | 4.7 ppb (5) | N/A | 15.0 ppb (15) | N/A | N/A | 31.0 ppb (29) | N/A | N/A | N/A | 29.0 | |
| June 17, 2021, 1 p.m. | 44.2 ppb (42) | 20.4 ppb (20) | N/A | 24.0 ppb (23) | N/A | N/A | 16.0 ppb (15) | 0.1 ppb (2) | N/A | N/A | 42.0 | |
| June 17, 2021, noon | 55.8 ppb (53) | 26.6 ppb (26) | N/A | 29.0 ppb (28) | N/A | N/A | 6.0 ppb (6) | 0.2 ppb (3) | N/A | N/A | 53.0 | |
| June 17, 2021, 11 a.m. | 31.7 ppb (30) | 6.2 ppb (6) | N/A | 26.0 ppb (25) | N/A | N/A | 3.0 ppb (3) | 0.0 ppb (0) | N/A | N/A | 30.0 | |
| June 17, 2021, 10 a.m. | 18.0 ppb (17) | 1.3 ppb (2) | N/A | 17.0 ppb (17) | N/A | N/A | 9.0 ppb (9) | 0.0 ppb (0) | N/A | N/A | 17.0 | |
| June 17, 2021, 9 a.m. | 18.0 ppb (17) | 1.3 ppb (2) | N/A | 17.0 ppb (17) | N/A | N/A | 14.0 ppb (13) | 0.0 ppb (0) | N/A | N/A | 17.0 | |
| June 17, 2021, 8 a.m. | 24.8 ppb (24) | 3.6 ppb (4) | N/A | 21.0 ppb (20) | N/A | N/A | 13.0 ppb (13) | 0.0 ppb (0) | N/A | N/A | 24.0 | |
| June 17, 2021, 7 a.m. | 18.0 ppb (17) | 0.8 ppb (1) | N/A | 17.0 ppb (17) | N/A | N/A | 20.0 ppb (19) | 0.0 ppb (0) | N/A | N/A | 19.0 | |
| June 17, 2021, 6 a.m. | 15.9 ppb (15) | 2.7 ppb (3) | N/A | 13.0 ppb (13) | N/A | N/A | 37.0 ppb (35) | 0.0 ppb (0) | N/A | N/A | 35.0 | |
| June 17, 2021, 5 a.m. | 24.5 ppb (24) | 5.1 ppb (5) | N/A | 20.0 ppb (19) | N/A | N/A | 35.0 ppb (33) | 0.0 ppb (0) | N/A | N/A | 33.0 | |
| June 17, 2021, 4 a.m. | 24.3 ppb (23) | 4.7 ppb (5) | N/A | 20.0 ppb (19) | N/A | N/A | 36.0 ppb (34) | 0.0 ppb (0) | N/A | N/A | 34.0 | |
| June 17, 2021, 3 a.m. | 27.7 ppb (27) | 4.8 ppb (5) | N/A | 23.0 ppb (22) | N/A | N/A | 36.0 ppb (34) | 0.0 ppb (0) | N/A | N/A | 34.0 | |
| June 17, 2021, 2 a.m. | 9.8 ppb (10) | 0.1 ppb (1) | N/A | 10.0 ppb (10) | N/A | N/A | 48.0 ppb (45) | N/A | N/A | N/A | 45.0 | |
| June 17, 2021, 1 a.m. | 4.8 ppb (5) | 0.3 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 61.0 ppb (71) | N/A | N/A | N/A | 71.0 | |
| June 17, 2021, midnight | 4.4 ppb (5) | 0.3 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 72.0 ppb (102) | N/A | N/A | N/A | 102.0 | |
| June 16, 2021, 11 p.m. | 6.8 ppb (7) | 0.8 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | 79.0 ppb (106) | N/A | N/A | N/A | 106.0 | |
| June 16, 2021, 10 p.m. | 5.4 ppb (6) | 0.5 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 75.0 ppb (104) | N/A | N/A | N/A | 104.0 | |
| June 16, 2021, 9 p.m. | 6.4 ppb (7) | 1.2 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 68.0 ppb (94) | N/A | N/A | N/A | 94.0 | |
| June 16, 2021, 8 p.m. | 5.1 ppb (5) | 0.6 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 61.0 ppb (71) | N/A | N/A | N/A | 71.0 | |
| June 16, 2021, 7 p.m. | 6.7 ppb (7) | 1.2 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 62.0 ppb (74) | N/A | N/A | N/A | 74.0 | |
| June 16, 2021, 6 p.m. | 14.9 ppb (15) | 4.2 ppb (4) | N/A | 11.0 ppb (11) | N/A | N/A | 59.0 ppb (65) | 0.0 ppb (0) | N/A | N/A | 65.0 | |
| June 16, 2021, 5 p.m. | 12.3 ppb (12) | 3.1 ppb (3) | N/A | 9.0 ppb (9) | N/A | N/A | 54.0 ppb (50) | N/A | N/A | N/A | 50.0 | |
| June 16, 2021, 4 p.m. | 11.8 ppb (12) | 3.5 ppb (4) | N/A | 8.0 ppb (8) | N/A | N/A | 45.0 ppb (42) | N/A | N/A | N/A | 42.0 |