ID: 7748

AQSQID: 113490354002

Site Name: Nr

Added: April 21, 2020, 6:24 p.m.

Updated: June 23, 2021, 4:52 p.m.

Location: Salt Lake City (Clover Crest Number 2), UT

Reporting: True, Located: True

Current AQI: 69.0

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