ID: 2795

AQSQID: 490353010

Site Name: Rose Park

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

Updated: July 25, 2021, 7:52 a.m.

Location: Salt Lake City (Rose Park), UT

Reporting: True, Located: True

Current AQI: 116.0

Salt Lake City (Rose Park) UT, US: 40.7955, -111.9309

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 25, 2021, 6 a.m. 39.0 ppb (37) 1.4 ppb (2) N/A 38.0 ppb (36) N/A 1.0 ppb (2) 7.0 ppb (7) 0.3 ppb (4) N/A 41.2 μg/m3 (116) 116.0
 
July 25, 2021, 5 a.m. 27.5 ppb (26) 0.5 ppb (1) N/A 27.0 ppb (26) N/A 1.0 ppb (2) 21.0 ppb (20) 0.1 ppb (2) N/A 33.8 μg/m3 (97) 97.0
 
July 25, 2021, 4 a.m. 24.7 ppb (24) 0.3 ppb (1) N/A 25.0 ppb (24) N/A 1.0 ppb (2) 34.0 ppb (32) 0.1 ppb (2) N/A 28.3 μg/m3 (86) 86.0
 
July 25, 2021, 3 a.m. 14.9 ppb (15) 0.3 ppb (1) N/A 15.0 ppb (15) N/A 1.0 ppb (2) 45.0 ppb (42) 0.0 ppb (0) N/A 24.5 μg/m3 (78) 78.0
 
July 25, 2021, 2 a.m. 6.1 ppb (6) 0.2 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 63.0 ppb (78) 0.0 ppb (0) N/A 21.0 μg/m3 (70) 78.0
 
July 25, 2021, 1 a.m. 3.5 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 72.0 ppb (102) 0.0 ppb (0) N/A 23.0 μg/m3 (74) 102.0
 
July 25, 2021, midnight 2.3 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 77.0 ppb (105) 0.0 ppb (0) N/A 24.4 μg/m3 (77) 105.0
 
July 24, 2021, 11 p.m. 2.1 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 76.0 ppb (104) 0.0 ppb (0) N/A 22.5 μg/m3 (73) 104.0
 
July 24, 2021, 10 p.m. 2.1 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 78.0 ppb (105) 0.0 ppb (0) N/A 24.5 μg/m3 (78) 105.0
 
July 24, 2021, 9 p.m. 3.0 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 89.0 ppb (111) 0.0 ppb (0) N/A 37.7 μg/m3 (107) 111.0
 
July 24, 2021, 8 p.m. 3.2 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 84.0 ppb (108) 0.0 ppb (0) N/A 29.1 μg/m3 (87) 108.0
 
July 24, 2021, 7 p.m. 2.9 ppb (3) 0.4 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 78.0 ppb (105) 0.0 ppb (0) N/A 31.1 μg/m3 (91) 105.0
 
July 24, 2021, 6 p.m. 4.0 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 70.0 ppb (100) N/A N/A 22.1 μg/m3 (73) 100.0
 
July 24, 2021, 5 p.m. 5.0 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 57.0 ppb (58) N/A N/A 17.8 μg/m3 (63) 63.0
 
July 24, 2021, 4 p.m. 11.4 ppb (11) 2.5 ppb (3) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 44.0 ppb (41) N/A N/A 14.5 μg/m3 (57) 57.0
 
July 24, 2021, 3 p.m. 24.3 ppb (23) 6.0 ppb (6) N/A 18.0 ppb (17) N/A 2.0 ppb (3) 28.0 ppb (26) 0.0 ppb (0) N/A 16.5 μg/m3 (61) 61.0
 
July 24, 2021, 2 p.m. 26.2 ppb (25) 7.8 ppb (8) N/A 19.0 ppb (18) N/A 1.0 ppb (2) 16.0 ppb (15) 0.0 ppb (0) N/A 17.3 μg/m3 (62) 62.0
 
July 24, 2021, 1 p.m. 23.1 ppb (22) 6.2 ppb (6) N/A 17.0 ppb (17) N/A 1.0 ppb (2) 9.0 ppb (9) N/A N/A 15.3 μg/m3 (58) 58.0
 
July 24, 2021, noon 22.0 ppb (21) 2.7 ppb (3) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 5.0 ppb (5) N/A N/A 13.9 μg/m3 (55) 55.0
 
July 24, 2021, 11 a.m. 27.7 ppb (27) 3.5 ppb (4) N/A 24.0 ppb (23) N/A N/A 2.0 ppb (2) N/A N/A 13.2 μg/m3 (54) 54.0
 
July 24, 2021, 10 a.m. 27.7 ppb (27) 3.9 ppb (4) N/A 24.0 ppb (23) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 13.1 μg/m3 (54) 54.0
 
July 24, 2021, 9 a.m. 23.0 ppb (22) 1.5 ppb (2) N/A 22.0 ppb (21) N/A 0.0 ppb (0) 5.0 ppb (5) N/A N/A 9.5 μg/m3 (40) 40.0
 
July 24, 2021, 8 a.m. 18.7 ppb (18) 0.9 ppb (1) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 7.4 μg/m3 (31) 31.0
 
July 24, 2021, 7 a.m. 22.1 ppb (21) 0.9 ppb (1) N/A 21.0 ppb (20) N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 7.4 μg/m3 (31) 31.0
 
July 24, 2021, 6 a.m. 27.8 ppb (27) 0.8 ppb (1) N/A 27.0 ppb (26) N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 5.0 μg/m3 (21) 27.0
 
July 24, 2021, 5 a.m. 16.9 ppb (16) 0.4 ppb (1) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 27.0 ppb (25) 0.0 ppb (0) N/A 19.6 μg/m3 (67) 67.0
 
July 24, 2021, 4 a.m. 12.0 ppb (12) 0.3 ppb (1) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 17.7 μg/m3 (63) 63.0
 
July 24, 2021, 3 a.m. 14.2 ppb (14) 0.3 ppb (1) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 12.1 μg/m3 (51) 51.0
 
July 24, 2021, 2 a.m. 7.1 ppb (7) 0.3 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 51.0 ppb (48) N/A N/A 8.3 μg/m3 (35) 48.0
 
July 24, 2021, 1 a.m. 4.0 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 55.0 ppb (51) N/A N/A 5.3 μg/m3 (23) 51.0
 
July 24, 2021, midnight 2.6 ppb (3) 0.4 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 58.0 ppb (61) N/A N/A 5.5 μg/m3 (23) 61.0
 
July 23, 2021, 11 p.m. 2.1 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 65.0 ppb (84) N/A N/A 5.2 μg/m3 (22) 84.0
 
July 23, 2021, 10 p.m. 2.5 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 66.0 ppb (87) N/A N/A 4.8 μg/m3 (20) 87.0
 
July 23, 2021, 9 p.m. 2.8 ppb (3) 0.5 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 66.0 ppb (87) N/A N/A 5.6 μg/m3 (24) 87.0
 
July 23, 2021, 8 p.m. 2.5 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 69.0 ppb (97) N/A N/A 6.5 μg/m3 (28) 97.0
 
July 23, 2021, 7 p.m. 3.0 ppb (3) 0.4 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 68.0 ppb (94) N/A N/A 7.6 μg/m3 (32) 94.0
 
July 23, 2021, 6 p.m. 5.7 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 68.0 ppb (94) N/A N/A 9.9 μg/m3 (42) 94.0
 
July 23, 2021, 5 p.m. 11.6 ppb (11) 2.2 ppb (3) N/A 10.0 ppb (10) N/A 1.0 ppb (2) 60.0 ppb (68) N/A N/A 9.3 μg/m3 (39) 68.0
 
July 23, 2021, 4 p.m. 20.7 ppb (20) 5.2 ppb (5) N/A 16.0 ppb (16) N/A 1.0 ppb (2) 45.0 ppb (42) N/A N/A 9.4 μg/m3 (40) 42.0
 
July 23, 2021, 3 p.m. 21.4 ppb (21) 5.6 ppb (6) N/A 16.0 ppb (16) N/A 1.0 ppb (2) 34.0 ppb (32) N/A N/A 8.7 μg/m3 (37) 37.0
 
July 23, 2021, 2 p.m. 23.4 ppb (23) 5.8 ppb (6) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 8.7 μg/m3 (37) 37.0
 
July 23, 2021, 1 p.m. 31.2 ppb (30) 6.3 ppb (6) N/A 25.0 ppb (24) N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 7.7 μg/m3 (33) 33.0
 
July 23, 2021, noon 29.9 ppb (29) 4.3 ppb (5) N/A 26.0 ppb (25) N/A 0.0 ppb (0) 6.0 ppb (6) N/A N/A 8.3 μg/m3 (35) 35.0
 
July 23, 2021, 11 a.m. 16.8 ppb (16) 0.6 ppb (1) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A 7.5 μg/m3 (32) 32.0
 
July 23, 2021, 10 a.m. 13.2 ppb (13) 0.4 ppb (1) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 6.6 μg/m3 (28) 28.0
 
July 23, 2021, 9 a.m. 9.1 ppb (9) 0.4 ppb (1) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 5.2 μg/m3 (22) 33.0
 
July 23, 2021, 8 a.m. 8.1 ppb (8) 0.4 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 4.4 μg/m3 (19) 38.0
 
July 23, 2021, 7 a.m. 3.5 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 50.0 ppb (47) N/A N/A 3.4 μg/m3 (15) 47.0
 
July 23, 2021, 6 a.m. 2.9 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 57.0 ppb (58) N/A N/A 1.4 μg/m3 (6) 58.0
 
July 23, 2021, 5 a.m. 5.4 ppb (6) 0.2 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 53.0 ppb (50) N/A N/A 1.6 μg/m3 (7) 50.0
 
July 23, 2021, 4 a.m. 8.8 ppb (9) 0.4 ppb (1) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 4.3 μg/m3 (18) 37.0
 
July 23, 2021, 3 a.m. 8.0 ppb (8) 0.3 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 8.2 μg/m3 (35) 37.0
 
July 23, 2021, 2 a.m. 4.2 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 53.0 ppb (50) N/A N/A 10.9 μg/m3 (46) 50.0
 
July 23, 2021, 1 a.m. 4.5 ppb (5) 0.2 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 64.0 ppb (81) N/A N/A 10.4 μg/m3 (44) 81.0
 
July 23, 2021, midnight 3.6 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 79.0 ppb (106) N/A N/A 5.4 μg/m3 (23) 106.0
 
July 22, 2021, 11 p.m. 3.4 ppb (4) -0.3 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 76.0 ppb (104) N/A N/A 8.2 μg/m3 (35) 104.0
 
July 22, 2021, 10 p.m. 9.4 ppb (9) 6.8 ppb (7) N/A 3.0 ppb (3) N/A 3.0 ppb (5) 75.0 ppb (104) N/A N/A 10.6 μg/m3 (45) 104.0
 
July 22, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
July 22, 2021, 1 p.m. 11.6 ppb (11) 0.7 ppb (1) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 12.6 μg/m3 (53) 53.0
 
July 22, 2021, noon 8.4 ppb (8) 0.3 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 4.3 μg/m3 (18) 38.0
 
July 22, 2021, 11 a.m. 6.3 ppb (6) 0.2 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 4.1 μg/m3 (18) 41.0
 
July 22, 2021, 10 a.m. 5.6 ppb (6) 0.2 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 4.1 μg/m3 (18) 40.0
 
July 22, 2021, 9 a.m. 6.5 ppb (7) 0.2 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 4.2 μg/m3 (18) 39.0
 
July 22, 2021, 8 a.m. 7.1 ppb (7) 0.3 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 4.2 μg/m3 (18) 40.0
 
July 22, 2021, 7 a.m. 5.5 ppb (6) 0.2 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 10.7 μg/m3 (45) 45.0
 
July 22, 2021, 6 a.m. 6.1 ppb (6) 0.2 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 47.0 ppb (44) N/A N/A 3.7 μg/m3 (16) 44.0
 
July 22, 2021, 5 a.m. 6.8 ppb (7) 0.2 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 49.0 ppb (46) N/A N/A 3.9 μg/m3 (17) 46.0
 
July 22, 2021, 4 a.m. 7.6 ppb (8) 0.2 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 50.0 ppb (47) N/A N/A 3.6 μg/m3 (16) 47.0
 
July 22, 2021, 3 a.m. 8.0 ppb (8) 0.2 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 50.0 ppb (47) N/A N/A 10.4 μg/m3 (44) 47.0
 
July 22, 2021, 2 a.m. 7.0 ppb (7) 0.2 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 57.0 ppb (58) N/A N/A 17.8 μg/m3 (63) 63.0
 
July 22, 2021, 1 a.m. 6.7 ppb (7) 0.4 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 54.0 ppb (50) N/A N/A 14.3 μg/m3 (56) 56.0
 
July 22, 2021, midnight 5.7 ppb (6) 0.4 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 61.0 ppb (71) N/A N/A 20.3 μg/m3 (69) 71.0
 
July 21, 2021, 11 p.m. 2.8 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 70.0 ppb (100) N/A N/A 7.0 μg/m3 (30) 100.0
 
July 21, 2021, 10 p.m. 1.5 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 70.0 ppb (100) N/A N/A 6.4 μg/m3 (27) 100.0
 
July 21, 2021, 9 p.m. 1.7 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 68.0 ppb (94) N/A N/A 5.8 μg/m3 (25) 94.0
 
July 21, 2021, 8 p.m. 1.8 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 68.0 ppb (94) N/A N/A 5.4 μg/m3 (23) 94.0
 
July 21, 2021, 7 p.m. 3.2 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 70.0 ppb (100) N/A N/A 6.2 μg/m3 (26) 100.0
 
July 21, 2021, 6 p.m. 4.9 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 73.0 ppb (103) N/A N/A 6.8 μg/m3 (29) 103.0
 
July 21, 2021, 5 p.m. 5.6 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 65.0 ppb (84) N/A N/A 13.5 μg/m3 (54) 84.0
 
July 21, 2021, 4 p.m. 18.4 ppb (18) 3.3 ppb (4) N/A 15.0 ppb (15) N/A 1.0 ppb (2) 46.0 ppb (43) N/A N/A 31.8 μg/m3 (93) 93.0
 
July 21, 2021, 3 p.m. 23.8 ppb (23) 4.7 ppb (5) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 22.3 μg/m3 (73) 73.0
 
July 21, 2021, 2 p.m. 19.1 ppb (19) 2.3 ppb (3) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 8.2 μg/m3 (35) 35.0
 
July 21, 2021, 1 p.m. 14.5 ppb (14) 0.7 ppb (1) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 8.4 μg/m3 (36) 36.0
 
July 21, 2021, noon 10.7 ppb (11) 0.4 ppb (1) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 21, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (48) N/A N/A 6.6 μg/m3 (28) 48.0
 
July 21, 2021, 10 a.m. 5.4 ppb (6) 0.3 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 47.0 ppb (44) N/A N/A 7.6 μg/m3 (32) 44.0
 
July 21, 2021, 9 a.m. 3.9 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 52.0 ppb (49) N/A N/A 7.8 μg/m3 (33) 49.0
 
July 21, 2021, 8 a.m. 4.7 ppb (5) 0.3 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 54.0 ppb (50) N/A N/A 7.5 μg/m3 (32) 50.0
 
July 21, 2021, 7 a.m. 6.9 ppb (7) 0.2 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 4.9 μg/m3 (21) 41.0
 
July 21, 2021, 6 a.m. 6.9 ppb (7) 0.2 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 4.2 μg/m3 (18) 43.0
 
July 21, 2021, 5 a.m. 7.2 ppb (7) 0.1 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 4.4 μg/m3 (19) 43.0
 
July 21, 2021, 4 a.m. 11.4 ppb (11) 0.2 ppb (1) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A 6.3 μg/m3 (27) 35.0
 
July 21, 2021, 3 a.m. 8.8 ppb (9) 0.2 ppb (1) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 43.0 ppb (40) N/A N/A 7.2 μg/m3 (31) 40.0
 
July 21, 2021, 2 a.m. 2.7 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 54.0 ppb (50) N/A N/A 5.6 μg/m3 (24) 50.0
 
July 21, 2021, 1 a.m. 1.5 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 59.0 ppb (65) N/A N/A 5.4 μg/m3 (23) 65.0
 
July 21, 2021, midnight 1.6 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 61.0 ppb (71) N/A N/A 4.6 μg/m3 (20) 71.0
 
July 20, 2021, 11 p.m. 2.2 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 71.0 ppb (101) N/A N/A 4.7 μg/m3 (20) 101.0
 
July 20, 2021, 10 p.m. 3.8 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 78.0 ppb (105) N/A N/A 5.6 μg/m3 (24) 105.0
 
July 20, 2021, 9 p.m. 4.8 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A 17.0 ppb (25) 85.0 ppb (109) N/A N/A 7.5 μg/m3 (32) 109.0
 
July 20, 2021, 8 p.m. 4.1 ppb (4) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 80.0 ppb (106) N/A N/A 6.8 μg/m3 (29) 106.0
 
July 20, 2021, 7 p.m. 4.3 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 77.0 ppb (105) N/A N/A 7.0 μg/m3 (30) 105.0
 
July 20, 2021, 6 p.m. 4.2 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 70.0 ppb (100) N/A N/A 7.2 μg/m3 (31) 100.0
 
July 20, 2021, 5 p.m. 4.6 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 64.0 ppb (81) N/A N/A 7.5 μg/m3 (32) 81.0
 
July 20, 2021, 4 p.m. 6.6 ppb (7) 1.2 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 57.0 ppb (58) N/A N/A 8.3 μg/m3 (35) 58.0
 
July 20, 2021, 3 p.m. 11.2 ppb (11) 2.6 ppb (3) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 44.0 ppb (41) N/A N/A 9.3 μg/m3 (39) 41.0
 
July 20, 2021, 2 p.m. 11.3 ppb (11) 1.5 ppb (2) N/A 10.0 ppb (10) N/A 1.0 ppb (2) 38.0 ppb (36) N/A N/A 8.3 μg/m3 (35) 36.0
 
July 20, 2021, 1 p.m. 20.7 ppb (20) 2.4 ppb (3) N/A 18.0 ppb (17) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 10.1 μg/m3 (43) 43.0
 
July 20, 2021, noon 14.7 ppb (14) 0.8 ppb (1) N/A 14.0 ppb (14) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 12.5 μg/m3 (52) 52.0
 
July 20, 2021, 11 a.m. 7.6 ppb (8) 0.4 ppb (1) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A 8.1 μg/m3 (34) 35.0
 
July 20, 2021, 10 a.m. 5.6 ppb (6) 0.3 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 44.0 ppb (41) N/A N/A 7.0 μg/m3 (30) 41.0
 
July 20, 2021, 9 a.m. 5.2 ppb (5) 0.2 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 46.0 ppb (43) N/A N/A 6.7 μg/m3 (28) 43.0
 
July 20, 2021, 8 a.m. 2.9 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 51.0 ppb (48) N/A N/A 5.6 μg/m3 (24) 48.0
 
July 20, 2021, 7 a.m. 3.5 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 48.0 ppb (45) N/A N/A 20.3 μg/m3 (69) 69.0
 
July 20, 2021, 6 a.m. 2.9 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 50.0 ppb (47) N/A N/A 10.1 μg/m3 (43) 47.0
 
July 20, 2021, 5 a.m. 1.9 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 55.0 ppb (51) N/A N/A 4.4 μg/m3 (19) 51.0
 
July 20, 2021, 4 a.m. 3.0 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 54.0 ppb (50) N/A N/A 4.3 μg/m3 (18) 50.0
 
July 20, 2021, 3 a.m. 5.4 ppb (6) 0.2 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 50.0 ppb (47) N/A N/A 4.7 μg/m3 (20) 47.0
 
July 20, 2021, 2 a.m. 4.3 ppb (5) 0.2 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 54.0 ppb (50) N/A N/A 4.9 μg/m3 (21) 50.0
 
July 20, 2021, 1 a.m. 3.5 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 57.0 ppb (58) N/A N/A 5.6 μg/m3 (24) 58.0
 
July 20, 2021, midnight 3.5 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 56.0 ppb (55) N/A N/A 4.4 μg/m3 (19) 55.0
 
July 19, 2021, 11 p.m. 2.4 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 56.0 ppb (55) N/A N/A 3.8 μg/m3 (16) 55.0
 
July 19, 2021, 10 p.m. 1.7 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 58.0 ppb (61) N/A N/A 4.1 μg/m3 (18) 61.0
 
July 19, 2021, 9 p.m. 1.8 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 59.0 ppb (65) N/A N/A 5.5 μg/m3 (23) 65.0
 
July 19, 2021, 8 p.m. 1.7 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 60.0 ppb (68) N/A N/A 5.6 μg/m3 (24) 68.0
 
July 19, 2021, 7 p.m. 2.2 ppb (3) N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 69.0 ppb (97) N/A N/A 8.1 μg/m3 (34) 97.0
 
July 19, 2021, 6 p.m. 7.5 ppb (8) N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 64.0 ppb (81) N/A N/A 8.5 μg/m3 (36) 81.0
 
July 19, 2021, 5 p.m. 11.4 ppb (11) N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 55.0 ppb (51) N/A N/A 7.7 μg/m3 (33) 51.0
 
July 19, 2021, 4 p.m. 12.9 ppb (13) N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 49.0 ppb (46) N/A N/A 8.8 μg/m3 (37) 46.0
 
July 19, 2021, 3 p.m. 15.1 ppb (15) N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 44.0 ppb (41) 0.0 ppb (0) N/A 9.7 μg/m3 (41) 41.0
 
July 19, 2021, 2 p.m. 10.4 ppb (10) N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 45.0 ppb (42) N/A N/A 8.8 μg/m3 (37) 42.0
 
July 19, 2021, 1 p.m. 7.7 ppb (8) N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 44.0 ppb (41) N/A N/A 8.6 μg/m3 (36) 41.0
 
July 19, 2021, noon 11.0 ppb (11) N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 38.0 ppb (36) N/A N/A 10.1 μg/m3 (43) 43.0
 
July 19, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 11.8 μg/m3 (50) 50.0
 
July 19, 2021, 10 a.m. 10.8 ppb (11) N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 36.0 ppb (34) N/A N/A 9.9 μg/m3 (42) 42.0
 
July 19, 2021, 9 a.m. 6.6 ppb (7) N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 43.0 ppb (40) N/A N/A 9.7 μg/m3 (41) 41.0
 
July 19, 2021, 8 a.m. 7.1 ppb (7) N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 42.0 ppb (39) N/A N/A 11.1 μg/m3 (47) 47.0
 
July 19, 2021, 7 a.m. 6.1 ppb (6) N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 45.0 ppb (42) N/A N/A 13.4 μg/m3 (54) 54.0
 
July 19, 2021, 6 a.m. 3.4 ppb (4) N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 52.0 ppb (49) N/A N/A 9.3 μg/m3 (39) 49.0
 
July 19, 2021, 5 a.m. 3.4 ppb (4) N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 53.0 ppb (50) N/A N/A 7.5 μg/m3 (32) 50.0
 
July 19, 2021, 4 a.m. 17.8 ppb (17) N/A N/A 18.0 ppb (17) N/A 1.0 ppb (2) 37.0 ppb (35) 0.0 ppb (0) N/A 8.4 μg/m3 (36) 36.0
 
July 19, 2021, 3 a.m. 12.3 ppb (12) N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 41.0 ppb (38) 0.0 ppb (0) N/A 9.7 μg/m3 (41) 41.0
 
July 19, 2021, 2 a.m. 8.0 ppb (8) N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 51.0 ppb (48) 0.0 ppb (0) N/A 8.3 μg/m3 (35) 48.0
 
July 19, 2021, 1 a.m. 2.8 ppb (3) N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 62.0 ppb (74) N/A N/A 8.3 μg/m3 (35) 74.0
 
July 19, 2021, midnight 1.7 ppb (2) N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 68.0 ppb (94) N/A N/A 9.3 μg/m3 (39) 94.0
 
July 18, 2021, 11 p.m. 1.8 ppb (2) N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 68.0 ppb (94) N/A N/A 9.0 μg/m3 (38) 94.0
 
July 18, 2021, 10 p.m. 1.8 ppb (2) N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 71.0 ppb (101) N/A N/A 8.7 μg/m3 (37) 101.0
 
July 18, 2021, 9 p.m. 2.1 ppb (2) N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 75.0 ppb (104) N/A N/A 9.1 μg/m3 (38) 104.0
 
July 18, 2021, 8 p.m. 1.9 ppb (2) N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 75.0 ppb (104) N/A N/A 9.0 μg/m3 (38) 104.0
 
July 18, 2021, 7 p.m. 2.9 ppb (3) N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 82.0 ppb (107) N/A N/A 9.6 μg/m3 (40) 107.0
 
July 18, 2021, 6 p.m. 4.3 ppb (5) N/A N/A 4.0 ppb (4) N/A 2.0 ppb (3) 82.0 ppb (107) N/A N/A 11.1 μg/m3 (47) 107.0
 
July 18, 2021, 5 p.m. 5.9 ppb (6) N/A N/A 6.0 ppb (6) N/A 2.0 ppb (3) 81.0 ppb (107) N/A N/A 12.3 μg/m3 (52) 107.0
 
July 18, 2021, 4 p.m. 15.5 ppb (15) N/A N/A 14.0 ppb (14) N/A 3.0 ppb (5) 75.0 ppb (104) 0.0 ppb (0) N/A 13.5 μg/m3 (54) 104.0
 
July 18, 2021, 3 p.m. 16.8 ppb (16) N/A N/A 14.0 ppb (14) N/A 3.0 ppb (5) 56.0 ppb (55) 0.0 ppb (0) N/A 19.3 μg/m3 (67) 67.0
 
July 18, 2021, 2 p.m. 16.0 ppb (16) N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 38.0 ppb (36) 0.0 ppb (0) N/A 12.4 μg/m3 (52) 52.0
 
July 18, 2021, 1 p.m. 20.2 ppb (20) N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 23.0 ppb (22) 0.0 ppb (0) N/A 12.3 μg/m3 (52) 52.0
 
July 18, 2021, noon 16.0 ppb (16) N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 22.0 ppb (21) 0.0 ppb (0) N/A 13.1 μg/m3 (54) 54.0
 
July 18, 2021, 11 a.m. 11.1 ppb (11) N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) N/A 0.0 ppb (0) N/A 11.9 μg/m3 (50) 50.0
 
July 18, 2021, 10 a.m. 10.2 ppb (10) N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 38.0 ppb (36) 0.0 ppb (0) N/A 11.5 μg/m3 (48) 48.0
 
July 18, 2021, 9 a.m. 21.5 ppb (21) N/A N/A 21.0 ppb (20) N/A 1.0 ppb (2) 22.0 ppb (21) 0.0 ppb (0) N/A 26.5 μg/m3 (82) 82.0
 
July 18, 2021, 8 a.m. 23.6 ppb (23) N/A N/A 23.0 ppb (22) N/A 1.0 ppb (2) 17.0 ppb (16) 0.0 ppb (0) N/A 13.7 μg/m3 (55) 55.0
 
July 18, 2021, 7 a.m. 21.9 ppb (21) N/A N/A 22.0 ppb (21) N/A 1.0 ppb (2) 24.0 ppb (23) 0.0 ppb (0) N/A 18.2 μg/m3 (64) 64.0
 
July 18, 2021, 6 a.m. 15.4 ppb (15) N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 39.0 ppb (37) 0.0 ppb (0) N/A 9.8 μg/m3 (41) 41.0
 
July 18, 2021, 5 a.m. 10.4 ppb (10) N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 51.0 ppb (48) 0.0 ppb (0) N/A 8.2 μg/m3 (35) 48.0
 
July 18, 2021, 4 a.m. 13.5 ppb (13) N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 43.0 ppb (40) 0.0 ppb (0) N/A 8.3 μg/m3 (35) 40.0
 
July 18, 2021, 3 a.m. 8.1 ppb (8) N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 53.0 ppb (50) N/A N/A 8.3 μg/m3 (35) 50.0
 
July 18, 2021, 2 a.m. 4.4 ppb (5) N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 62.0 ppb (74) N/A N/A 11.0 μg/m3 (46) 74.0
 
July 18, 2021, 1 a.m. 2.3 ppb (3) N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 71.0 ppb (101) N/A N/A 8.3 μg/m3 (35) 101.0
 
July 18, 2021, midnight 2.1 ppb (2) N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 76.0 ppb (104) N/A N/A 9.4 μg/m3 (40) 104.0