ID: 2795

AQSQID: 490353010

Site Name: Rose Park

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

Updated: Jan. 27, 2022, 6:34 a.m.

Location: Salt Lake City (Rose Park), UT

Reporting: True, Located: True

Current AQI: 41.0

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
Jan. 27, 2022, 6 a.m. 49.5 ppb (47) 16.7 ppb (16) N/A 33.0 ppb (32) N/A 1.0 ppb (2) 0.0 ppb (0) 0.4 ppb (5) N/A 19.0 μg/m3 (66) 66.0
 
Jan. 27, 2022, 5 a.m. 39.8 ppb (38) 8.0 ppb (8) N/A 32.0 ppb (31) N/A 1.0 ppb (2) 0.0 ppb (0) 0.3 ppb (4) N/A 9.8 μg/m3 (41) 41.0
 
Jan. 27, 2022, 4 a.m. 27.1 ppb (26) 2.5 ppb (3) N/A 25.0 ppb (24) N/A 1.0 ppb (2) 5.0 ppb (5) 0.2 ppb (3) N/A 8.5 μg/m3 (36) 36.0
 
Jan. 27, 2022, 3 a.m. 12.0 ppb (12) 0.8 ppb (1) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 18.0 ppb (17) 0.1 ppb (2) N/A 6.6 μg/m3 (28) 28.0
 
Jan. 27, 2022, 2 a.m. 12.8 ppb (13) 0.8 ppb (1) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 25.0 ppb (24) 0.1 ppb (2) N/A 4.8 μg/m3 (20) 24.0
 
Jan. 27, 2022, 1 a.m. 12.0 ppb (12) 1.0 ppb (1) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 30.0 ppb (28) 0.1 ppb (2) N/A 3.5 μg/m3 (15) 28.0
 
Jan. 27, 2022, midnight 5.8 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 37.0 ppb (35) 0.1 ppb (2) N/A 2.5 μg/m3 (11) 35.0
 
Jan. 26, 2022, 11 p.m. 6.6 ppb (7) 1.2 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 37.0 ppb (35) 0.1 ppb (2) N/A 3.7 μg/m3 (16) 35.0
 
Jan. 26, 2022, 10 p.m. 9.5 ppb (9) 2.2 ppb (3) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 37.0 ppb (35) 0.2 ppb (3) N/A 4.8 μg/m3 (20) 35.0
 
Jan. 26, 2022, 9 p.m. 18.6 ppb (18) 6.0 ppb (6) N/A 13.0 ppb (13) N/A 2.0 ppb (3) 31.0 ppb (29) 0.2 ppb (3) N/A 8.4 μg/m3 (36) 36.0
 
Jan. 26, 2022, 8 p.m. 24.7 ppb (24) 8.7 ppb (9) N/A 16.0 ppb (16) N/A 2.0 ppb (3) 28.0 ppb (26) 0.2 ppb (3) N/A 12.4 μg/m3 (52) 52.0
 
Jan. 26, 2022, 7 p.m. 30.3 ppb (29) 12.0 ppb (12) N/A 19.0 ppb (18) N/A 2.0 ppb (3) 24.0 ppb (23) 0.2 ppb (3) N/A 15.2 μg/m3 (58) 58.0
 
Jan. 26, 2022, 6 p.m. 39.3 ppb (38) 17.4 ppb (17) N/A 22.0 ppb (21) N/A 2.0 ppb (3) 20.0 ppb (19) 0.2 ppb (3) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 26, 2022, 5 p.m. 47.3 ppb (45) 22.0 ppb (21) N/A 26.0 ppb (25) N/A 2.0 ppb (3) 15.0 ppb (14) 0.3 ppb (4) N/A 11.9 μg/m3 (50) 50.0
 
Jan. 26, 2022, 4 p.m. 63.1 ppb (61) 33.4 ppb (32) N/A 30.0 ppb (29) N/A 2.0 ppb (3) 11.0 ppb (11) 0.5 ppb (6) N/A 7.2 μg/m3 (31) 61.0
 
Jan. 26, 2022, 3 p.m. 111.6 ppb (104) 71.1 ppb (70) N/A 41.0 ppb (39) N/A 2.0 ppb (3) 0.0 ppb (0) 0.9 ppb (11) N/A 7.6 μg/m3 (32) 104.0
 
Jan. 26, 2022, 2 p.m. 80.2 ppb (79) 40.2 ppb (38) N/A 40.0 ppb (38) N/A 2.0 ppb (3) -1.0 ppb (0) 0.6 ppb (7) N/A 5.7 μg/m3 (24) 79.0
 
Jan. 26, 2022, 1 p.m. 54.6 ppb (52) 14.5 ppb (14) N/A 40.0 ppb (38) N/A 1.0 ppb (2) -1.0 ppb (0) 0.4 ppb (5) N/A 3.3 μg/m3 (14) 52.0
 
Jan. 26, 2022, noon 64.1 ppb (62) 23.1 ppb (22) N/A 41.0 ppb (39) N/A 1.0 ppb (2) -1.0 ppb (0) 0.4 ppb (5) N/A 3.2 μg/m3 (14) 62.0
 
Jan. 26, 2022, 11 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) -1.0 ppb (0) 0.4 ppb (5) N/A 4.6 μg/m3 (20) 20.0
 
Jan. 26, 2022, 10 a.m. 59.7 ppb (58) 20.9 ppb (20) N/A 39.0 ppb (37) N/A 1.0 ppb (2) 0.0 ppb (0) 0.3 ppb (4) N/A 5.1 μg/m3 (22) 58.0
 
Jan. 26, 2022, 9 a.m. 43.0 ppb (41) 9.5 ppb (9) N/A 34.0 ppb (33) N/A 1.0 ppb (2) 3.0 ppb (3) 0.3 ppb (4) N/A 3.2 μg/m3 (14) 41.0
 
Jan. 26, 2022, 8 a.m. 61.3 ppb (59) 24.5 ppb (24) N/A 37.0 ppb (35) N/A 1.0 ppb (2) -1.0 ppb (0) 0.5 ppb (6) N/A 3.7 μg/m3 (16) 59.0
 
Jan. 26, 2022, 7 a.m. 39.2 ppb (37) 5.2 ppb (5) N/A 34.0 ppb (33) N/A 1.0 ppb (2) 2.0 ppb (2) 0.4 ppb (5) N/A 3.1 μg/m3 (13) 37.0
 
Jan. 26, 2022, 6 a.m. 26.8 ppb (26) 3.0 ppb (3) N/A 24.0 ppb (23) N/A 1.0 ppb (2) 11.0 ppb (11) 0.3 ppb (4) N/A 2.9 μg/m3 (13) 26.0
 
Jan. 26, 2022, 5 a.m. 26.0 ppb (25) 1.9 ppb (2) N/A 24.0 ppb (23) N/A 1.0 ppb (2) 13.0 ppb (13) 0.3 ppb (4) N/A 2.9 μg/m3 (13) 25.0
 
Jan. 26, 2022, 4 a.m. 27.2 ppb (26) 2.8 ppb (3) N/A 25.0 ppb (24) N/A 1.0 ppb (2) 13.0 ppb (13) 0.3 ppb (4) N/A 3.0 μg/m3 (13) 26.0
 
Jan. 26, 2022, 3 a.m. 11.3 ppb (11) 0.9 ppb (1) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 27.0 ppb (25) 0.2 ppb (3) N/A 2.3 μg/m3 (10) 25.0
 
Jan. 26, 2022, 2 a.m. 12.2 ppb (12) 0.8 ppb (1) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 26.0 ppb (25) 0.2 ppb (3) N/A 2.1 μg/m3 (9) 25.0
 
Jan. 26, 2022, 1 a.m. 8.8 ppb (9) 0.7 ppb (1) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 28.0 ppb (26) 0.1 ppb (2) N/A 1.7 μg/m3 (8) 26.0
 
Jan. 26, 2022, midnight 6.5 ppb (7) 0.7 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 32.0 ppb (30) 0.1 ppb (2) N/A 1.4 μg/m3 (6) 30.0
 
Jan. 25, 2022, 11 p.m. 4.6 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 36.0 ppb (34) 0.1 ppb (2) N/A 1.7 μg/m3 (8) 34.0
 
Jan. 25, 2022, 10 p.m. 4.5 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 36.0 ppb (34) 0.0 ppb (0) N/A 2.8 μg/m3 (12) 34.0
 
Jan. 25, 2022, 9 p.m. 5.0 ppb (5) 1.3 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 34.0 ppb (32) 0.0 ppb (0) N/A 3.3 μg/m3 (14) 32.0
 
Jan. 25, 2022, 8 p.m. 5.3 ppb (5) 1.5 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 31.0 ppb (29) 0.0 ppb (0) N/A 4.3 μg/m3 (18) 29.0
 
Jan. 25, 2022, 7 p.m. 5.4 ppb (6) 1.4 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 29.0 ppb (27) 0.0 ppb (0) N/A 5.4 μg/m3 (23) 27.0
 
Jan. 25, 2022, 6 p.m. 6.1 ppb (6) 1.8 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 30.0 ppb (28) 0.0 ppb (0) N/A 5.7 μg/m3 (24) 28.0
 
Jan. 25, 2022, 5 p.m. 6.7 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 30.0 ppb (28) 0.0 ppb (0) N/A 5.0 μg/m3 (21) 28.0
 
Jan. 25, 2022, 4 p.m. 9.3 ppb (9) 1.7 ppb (2) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 26.0 ppb (25) 0.1 ppb (2) N/A 6.7 μg/m3 (28) 28.0
 
Jan. 25, 2022, 3 p.m. 12.0 ppb (12) 1.4 ppb (2) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 21.0 ppb (20) 0.1 ppb (2) N/A 10.8 μg/m3 (46) 46.0
 
Jan. 25, 2022, 2 p.m. 10.5 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (10) N/A 1.0 ppb (2) 21.0 ppb (20) 0.1 ppb (2) N/A 11.3 μg/m3 (48) 48.0
 
Jan. 25, 2022, 1 p.m. 9.4 ppb (9) 0.8 ppb (1) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 22.0 ppb (21) 0.1 ppb (2) N/A 12.1 μg/m3 (51) 51.0
 
Jan. 25, 2022, noon 8.4 ppb (8) 1.1 ppb (2) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 23.0 ppb (22) 0.1 ppb (2) N/A 13.2 μg/m3 (54) 54.0
 
Jan. 25, 2022, 11 a.m. 10.1 ppb (10) 0.8 ppb (1) N/A 10.0 ppb (10) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 16.7 μg/m3 (61) 61.0
 
Jan. 25, 2022, 10 a.m. 13.7 ppb (13) 0.8 ppb (1) N/A 13.0 ppb (13) N/A 1.0 ppb (2) 15.0 ppb (14) 0.1 ppb (2) N/A 18.9 μg/m3 (66) 66.0
 
Jan. 25, 2022, 9 a.m. 14.0 ppb (14) 0.8 ppb (1) N/A 14.0 ppb (14) N/A 1.0 ppb (2) 15.0 ppb (14) 0.1 ppb (2) N/A 19.0 μg/m3 (66) 66.0
 
Jan. 25, 2022, 8 a.m. 22.3 ppb (22) 1.3 ppb (2) N/A 21.0 ppb (20) N/A 1.0 ppb (2) 8.0 ppb (8) 0.2 ppb (3) N/A 20.9 μg/m3 (70) 70.0
 
Jan. 25, 2022, 7 a.m. 14.4 ppb (14) 1.0 ppb (1) N/A 14.0 ppb (14) N/A 1.0 ppb (2) 17.0 ppb (16) 0.1 ppb (2) N/A 19.2 μg/m3 (66) 66.0
 
Jan. 25, 2022, 6 a.m. 15.8 ppb (15) 1.0 ppb (1) N/A 15.0 ppb (15) N/A 1.0 ppb (2) 14.0 ppb (13) 0.2 ppb (3) N/A 20.3 μg/m3 (69) 69.0
 
Jan. 25, 2022, 5 a.m. 12.6 ppb (12) 0.8 ppb (1) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 16.0 ppb (15) 0.2 ppb (3) N/A 19.5 μg/m3 (67) 67.0
 
Jan. 25, 2022, 4 a.m. 20.5 ppb (20) 1.0 ppb (1) N/A 20.0 ppb (19) N/A 1.0 ppb (2) 13.0 ppb (13) 0.2 ppb (3) N/A 19.6 μg/m3 (67) 67.0
 
Jan. 25, 2022, 3 a.m. 21.5 ppb (21) 0.9 ppb (1) N/A 21.0 ppb (20) N/A 1.0 ppb (2) 11.0 ppb (11) 0.2 ppb (3) N/A 18.7 μg/m3 (65) 65.0
 
Jan. 25, 2022, 2 a.m. 40.2 ppb (38) 6.9 ppb (7) N/A 34.0 ppb (33) N/A 2.0 ppb (3) 4.0 ppb (4) 0.3 ppb (4) N/A 21.5 μg/m3 (71) 71.0
 
Jan. 25, 2022, 1 a.m. 42.7 ppb (41) 4.1 ppb (4) N/A 39.0 ppb (37) N/A 2.0 ppb (3) 2.0 ppb (2) 0.3 ppb (4) N/A 18.4 μg/m3 (65) 65.0
 
Jan. 25, 2022, midnight 36.1 ppb (35) 2.2 ppb (3) N/A 34.0 ppb (33) N/A 2.0 ppb (3) 11.0 ppb (11) 0.2 ppb (3) N/A 13.6 μg/m3 (55) 55.0
 
Jan. 24, 2022, 11 p.m. 31.9 ppb (31) 7.0 ppb (7) N/A 25.0 ppb (24) N/A 3.0 ppb (5) 17.0 ppb (16) 0.2 ppb (3) N/A 18.0 μg/m3 (64) 64.0
 
Jan. 24, 2022, 10 p.m. 27.4 ppb (26) 7.8 ppb (8) N/A 20.0 ppb (19) N/A 2.0 ppb (3) 21.0 ppb (20) 0.2 ppb (3) N/A N/A 26.0
 
Jan. 24, 2022, 9 p.m. 43.1 ppb (41) 17.1 ppb (17) N/A 26.0 ppb (25) N/A 3.0 ppb (5) 17.0 ppb (16) 0.3 ppb (4) N/A N/A 41.0
 
Jan. 24, 2022, 8 p.m. 48.5 ppb (46) 22.6 ppb (22) N/A 26.0 ppb (25) N/A 2.0 ppb (3) 15.0 ppb (14) 0.3 ppb (4) N/A N/A 46.0
 
Jan. 24, 2022, 7 p.m. 49.9 ppb (48) 23.6 ppb (23) N/A 27.0 ppb (26) N/A 2.0 ppb (3) 15.0 ppb (14) 0.3 ppb (4) N/A 24.3 μg/m3 (77) 77.0
 
Jan. 24, 2022, 6 p.m. 40.6 ppb (39) 17.6 ppb (17) N/A 23.0 ppb (22) N/A 2.0 ppb (3) 16.0 ppb (15) 0.2 ppb (3) N/A 22.9 μg/m3 (74) 74.0
 
Jan. 24, 2022, 5 p.m. 45.6 ppb (44) 20.3 ppb (20) N/A 26.0 ppb (25) N/A 2.0 ppb (3) 13.0 ppb (13) 0.3 ppb (4) N/A 21.4 μg/m3 (71) 71.0
 
Jan. 24, 2022, 4 p.m. 79.3 ppb (78) 46.6 ppb (44) N/A 33.0 ppb (32) N/A 2.0 ppb (3) 6.0 ppb (6) 0.5 ppb (6) N/A 23.8 μg/m3 (76) 78.0
 
Jan. 24, 2022, 3 p.m. 131.3 ppb (107) 91.7 ppb (92) N/A 40.0 ppb (38) N/A 3.0 ppb (5) 0.0 ppb (0) 1.0 ppb (12) N/A 23.6 μg/m3 (76) 107.0
 
Jan. 24, 2022, 2 p.m. 109.3 ppb (103) 71.1 ppb (70) N/A 39.0 ppb (37) N/A 2.0 ppb (3) -1.0 ppb (0) 1.0 ppb (12) N/A 22.7 μg/m3 (74) 103.0
 
Jan. 24, 2022, 1 p.m. 106.2 ppb (102) 67.6 ppb (66) N/A 39.0 ppb (37) N/A 2.0 ppb (3) -1.0 ppb (0) 0.7 ppb (8) N/A 20.5 μg/m3 (69) 102.0
 
Jan. 24, 2022, noon 130.7 ppb (107) 92.0 ppb (92) N/A 40.0 ppb (38) N/A 3.0 ppb (5) -1.0 ppb (0) 0.8 ppb (10) N/A 17.3 μg/m3 (62) 107.0
 
Jan. 24, 2022, 11 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) -1.0 ppb (0) 0.6 ppb (7) N/A 16.5 μg/m3 (61) 61.0
 
Jan. 24, 2022, 10 a.m. 102.3 ppb (102) 66.5 ppb (65) N/A 36.0 ppb (34) N/A 2.0 ppb (3) -1.0 ppb (0) 0.6 ppb (7) N/A 16.0 μg/m3 (60) 102.0
 
Jan. 24, 2022, 9 a.m. 110.3 ppb (103) 75.6 ppb (75) N/A 35.0 ppb (34) N/A 2.0 ppb (3) -1.0 ppb (0) 0.7 ppb (8) N/A 16.1 μg/m3 (60) 103.0
 
Jan. 24, 2022, 8 a.m. 122.0 ppb (105) 86.4 ppb (86) N/A 36.0 ppb (34) N/A 3.0 ppb (5) -1.0 ppb (0) 0.8 ppb (10) N/A 15.9 μg/m3 (59) 105.0
 
Jan. 24, 2022, 7 a.m. 87.4 ppb (87) 52.3 ppb (50) N/A 36.0 ppb (34) N/A 2.0 ppb (3) -1.0 ppb (0) 0.7 ppb (8) N/A 15.5 μg/m3 (59) 87.0
 
Jan. 24, 2022, 6 a.m. 74.0 ppb (73) 38.1 ppb (36) N/A 36.0 ppb (34) N/A 2.0 ppb (3) -1.0 ppb (0) 0.6 ppb (7) N/A 14.5 μg/m3 (57) 73.0
 
Jan. 24, 2022, 5 a.m. 60.9 ppb (59) 24.5 ppb (24) N/A 37.0 ppb (35) N/A 1.0 ppb (2) -1.0 ppb (0) 0.5 ppb (6) N/A 14.2 μg/m3 (56) 59.0
 
Jan. 24, 2022, 4 a.m. 50.5 ppb (48) 15.3 ppb (15) N/A 36.0 ppb (34) N/A 1.0 ppb (2) 0.0 ppb (0) 0.5 ppb (6) N/A 13.5 μg/m3 (54) 54.0
 
Jan. 24, 2022, 3 a.m. 33.6 ppb (32) 5.7 ppb (6) N/A 28.0 ppb (27) N/A 1.0 ppb (2) 3.0 ppb (3) 0.4 ppb (5) N/A 13.7 μg/m3 (55) 55.0
 
Jan. 24, 2022, 2 a.m. 20.7 ppb (20) 1.4 ppb (2) N/A 20.0 ppb (19) N/A 1.0 ppb (2) 11.0 ppb (11) 0.2 ppb (3) N/A 12.2 μg/m3 (52) 52.0
 
Jan. 24, 2022, 1 a.m. 16.5 ppb (16) 0.9 ppb (1) N/A 16.0 ppb (16) N/A 1.0 ppb (2) 17.0 ppb (16) 0.2 ppb (3) N/A 13.1 μg/m3 (54) 54.0
 
Jan. 24, 2022, midnight 13.7 ppb (13) 1.0 ppb (1) N/A 13.0 ppb (13) N/A 1.0 ppb (2) 23.0 ppb (22) 0.1 ppb (2) N/A 12.2 μg/m3 (52) 52.0
 
Jan. 23, 2022, 11 p.m. 12.0 ppb (12) 1.7 ppb (2) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 28.0 ppb (26) 0.1 ppb (2) N/A 12.2 μg/m3 (52) 52.0
 
Jan. 23, 2022, 10 p.m. 8.3 ppb (8) 1.7 ppb (2) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 32.0 ppb (30) 0.1 ppb (2) N/A 11.2 μg/m3 (47) 47.0
 
Jan. 23, 2022, 9 p.m. 8.0 ppb (8) 1.9 ppb (2) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 32.0 ppb (30) 0.1 ppb (2) N/A 9.5 μg/m3 (40) 40.0
 
Jan. 23, 2022, 8 p.m. 17.1 ppb (17) 5.6 ppb (6) N/A 12.0 ppb (12) N/A 2.0 ppb (3) 26.0 ppb (25) 0.1 ppb (2) N/A 13.3 μg/m3 (54) 54.0
 
Jan. 23, 2022, 7 p.m. 28.2 ppb (27) 11.2 ppb (11) N/A 17.0 ppb (17) N/A 2.0 ppb (3) 23.0 ppb (22) 0.1 ppb (2) N/A 15.5 μg/m3 (59) 59.0
 
Jan. 23, 2022, 6 p.m. 31.7 ppb (30) 13.8 ppb (14) N/A 18.0 ppb (17) N/A 2.0 ppb (3) 19.0 ppb (18) 0.2 ppb (3) N/A 14.5 μg/m3 (57) 57.0
 
Jan. 23, 2022, 5 p.m. 40.6 ppb (39) 19.2 ppb (19) N/A 22.0 ppb (21) N/A 1.0 ppb (2) 14.0 ppb (13) 0.3 ppb (4) N/A 15.1 μg/m3 (58) 58.0
 
Jan. 23, 2022, 4 p.m. 83.2 ppb (83) 50.6 ppb (48) N/A 33.0 ppb (32) N/A 2.0 ppb (3) 4.0 ppb (4) 0.5 ppb (6) N/A 15.0 μg/m3 (58) 83.0
 
Jan. 23, 2022, 3 p.m. 102.4 ppb (102) 67.2 ppb (66) N/A 36.0 ppb (34) N/A 2.0 ppb (3) 0.0 ppb (0) 0.6 ppb (7) N/A 11.8 μg/m3 (50) 102.0
 
Jan. 23, 2022, 2 p.m. 85.3 ppb (85) 50.5 ppb (48) N/A 35.0 ppb (34) N/A 2.0 ppb (3) -1.0 ppb (0) 0.6 ppb (7) N/A 10.4 μg/m3 (44) 85.0
 
Jan. 23, 2022, 1 p.m. 76.3 ppb (75) 41.1 ppb (39) N/A 36.0 ppb (34) N/A 2.0 ppb (3) -1.0 ppb (0) 0.5 ppb (6) N/A 9.1 μg/m3 (38) 75.0
 
Jan. 23, 2022, noon 71.9 ppb (71) 35.5 ppb (34) N/A 37.0 ppb (35) N/A 2.0 ppb (3) -1.0 ppb (0) 0.5 ppb (6) N/A 8.4 μg/m3 (36) 71.0
 
Jan. 23, 2022, 11 a.m. 77.6 ppb (77) 40.2 ppb (38) N/A 38.0 ppb (36) N/A 2.0 ppb (3) N/A 0.4 ppb (5) N/A 7.9 μg/m3 (33) 77.0
 
Jan. 23, 2022, 10 a.m. 59.7 ppb (58) 25.8 ppb (25) N/A 34.0 ppb (33) N/A 1.0 ppb (2) -1.0 ppb (0) 0.3 ppb (4) N/A 6.9 μg/m3 (29) 58.0
 
Jan. 23, 2022, 9 a.m. 46.0 ppb (44) 14.8 ppb (14) N/A 31.0 ppb (30) N/A 1.0 ppb (2) 0.0 ppb (0) 0.3 ppb (4) N/A 5.1 μg/m3 (22) 44.0
 
Jan. 23, 2022, 8 a.m. 40.7 ppb (39) 11.0 ppb (11) N/A 30.0 ppb (29) N/A 1.0 ppb (2) 0.0 ppb (0) 0.3 ppb (4) N/A 4.8 μg/m3 (20) 39.0
 
Jan. 23, 2022, 7 a.m. 28.2 ppb (27) 4.4 ppb (5) N/A 24.0 ppb (23) N/A 1.0 ppb (2) 5.0 ppb (5) 0.3 ppb (4) N/A 5.1 μg/m3 (22) 27.0
 
Jan. 23, 2022, 6 a.m. 26.8 ppb (26) 3.8 ppb (4) N/A 23.0 ppb (22) N/A 1.0 ppb (2) 4.0 ppb (4) 0.3 ppb (4) N/A 4.9 μg/m3 (21) 26.0
 
Jan. 23, 2022, 5 a.m. 21.3 ppb (21) 2.0 ppb (2) N/A 20.0 ppb (19) N/A 1.0 ppb (2) 9.0 ppb (9) 0.2 ppb (3) N/A 4.7 μg/m3 (20) 21.0
 
Jan. 23, 2022, 4 a.m. 13.3 ppb (13) 1.2 ppb (2) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 16.0 ppb (15) 0.1 ppb (2) N/A 3.9 μg/m3 (17) 17.0
 
Jan. 23, 2022, 3 a.m. 14.3 ppb (14) 1.3 ppb (2) N/A 13.0 ppb (13) N/A 1.0 ppb (2) 15.0 ppb (14) 0.2 ppb (3) N/A 4.6 μg/m3 (20) 20.0
 
Jan. 23, 2022, 2 a.m. 12.3 ppb (12) 1.1 ppb (2) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 20.0 ppb (19) 0.1 ppb (2) N/A 4.3 μg/m3 (18) 19.0
 
Jan. 23, 2022, 1 a.m. 12.4 ppb (12) 1.5 ppb (2) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 24.0 ppb (23) 0.3 ppb (4) N/A 4.6 μg/m3 (20) 23.0
 
Jan. 23, 2022, midnight 7.4 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 28.0 ppb (26) 0.1 ppb (2) N/A 4.1 μg/m3 (18) 26.0
 
Jan. 22, 2022, 11 p.m. 7.0 ppb (7) 1.2 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 30.0 ppb (28) 0.1 ppb (2) N/A 5.2 μg/m3 (22) 28.0
 
Jan. 22, 2022, 10 p.m. 6.6 ppb (7) 1.6 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 31.0 ppb (29) 0.1 ppb (2) N/A 5.7 μg/m3 (24) 29.0
 
Jan. 22, 2022, 9 p.m. 5.4 ppb (6) 1.4 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 32.0 ppb (30) 0.1 ppb (2) N/A 5.6 μg/m3 (24) 30.0
 
Jan. 22, 2022, 8 p.m. 8.5 ppb (9) 2.7 ppb (3) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 27.0 ppb (25) 0.1 ppb (2) N/A 6.6 μg/m3 (28) 28.0
 
Jan. 22, 2022, 7 p.m. 9.9 ppb (10) 3.5 ppb (4) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 26.0 ppb (25) 0.0 ppb (0) N/A 6.5 μg/m3 (28) 28.0
 
Jan. 22, 2022, 6 p.m. 7.4 ppb (7) 2.4 ppb (3) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 26.0 ppb (25) 0.0 ppb (0) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 22, 2022, 5 p.m. 15.1 ppb (15) 5.6 ppb (6) N/A 10.0 ppb (10) N/A 1.0 ppb (2) 23.0 ppb (22) 0.0 ppb (0) N/A 6.5 μg/m3 (28) 28.0
 
Jan. 22, 2022, 4 p.m. 29.7 ppb (29) 11.0 ppb (11) N/A 19.0 ppb (18) N/A 1.0 ppb (2) 15.0 ppb (14) 0.2 ppb (3) N/A 5.9 μg/m3 (25) 29.0
 
Jan. 22, 2022, 3 p.m. 57.2 ppb (55) 28.9 ppb (28) N/A 29.0 ppb (28) N/A 1.0 ppb (2) 3.0 ppb (3) 0.4 ppb (5) N/A 5.0 μg/m3 (21) 55.0
 
Jan. 22, 2022, 2 p.m. 49.5 ppb (47) 17.8 ppb (17) N/A 32.0 ppb (31) N/A 1.0 ppb (2) 0.0 ppb (0) 0.3 ppb (4) N/A 4.8 μg/m3 (20) 47.0
 
Jan. 22, 2022, 1 p.m. 48.5 ppb (46) 17.1 ppb (17) N/A 32.0 ppb (31) N/A 1.0 ppb (2) -1.0 ppb (0) 0.4 ppb (5) N/A 3.7 μg/m3 (16) 46.0
 
Jan. 22, 2022, noon 49.4 ppb (47) 17.6 ppb (17) N/A 32.0 ppb (31) N/A 1.0 ppb (2) -1.0 ppb (0) 0.3 ppb (4) N/A 3.5 μg/m3 (15) 47.0
 
Jan. 22, 2022, 11 a.m. 34.8 ppb (33) 7.0 ppb (7) N/A 28.0 ppb (27) N/A N/A 1.0 ppb (1) 0.3 ppb (4) N/A 3.0 μg/m3 (13) 33.0
 
Jan. 22, 2022, 10 a.m. 21.4 ppb (21) 2.6 ppb (3) N/A 19.0 ppb (18) N/A 1.0 ppb (2) 10.0 ppb (10) 0.2 ppb (3) N/A 2.5 μg/m3 (11) 21.0
 
Jan. 22, 2022, 9 a.m. 12.7 ppb (12) 1.3 ppb (2) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 17.0 ppb (16) 0.1 ppb (2) N/A 2.4 μg/m3 (10) 16.0
 
Jan. 22, 2022, 8 a.m. 13.9 ppb (14) 1.4 ppb (2) N/A 13.0 ppb (13) N/A 1.0 ppb (2) 18.0 ppb (17) 0.1 ppb (2) N/A 2.3 μg/m3 (10) 17.0
 
Jan. 22, 2022, 7 a.m. 13.0 ppb (13) 1.2 ppb (2) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 16.0 ppb (15) 0.2 ppb (3) N/A 3.2 μg/m3 (14) 15.0
 
Jan. 22, 2022, 6 a.m. 11.6 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 19.0 ppb (18) 0.2 ppb (3) N/A 2.7 μg/m3 (12) 18.0
 
Jan. 22, 2022, 5 a.m. 13.1 ppb (13) 1.1 ppb (2) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 20.0 ppb (19) 0.1 ppb (2) N/A 2.0 μg/m3 (9) 19.0
 
Jan. 22, 2022, 4 a.m. 10.1 ppb (10) 1.1 ppb (2) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 23.0 ppb (22) 0.1 ppb (2) N/A 1.9 μg/m3 (8) 22.0
 
Jan. 22, 2022, 3 a.m. 21.4 ppb (21) 1.7 ppb (2) N/A 20.0 ppb (19) N/A 1.0 ppb (2) 16.0 ppb (15) 0.2 ppb (3) N/A 2.8 μg/m3 (12) 21.0
 
Jan. 22, 2022, 2 a.m. 19.8 ppb (19) 3.0 ppb (3) N/A 17.0 ppb (17) N/A 1.0 ppb (2) 15.0 ppb (14) 0.2 ppb (3) N/A 2.5 μg/m3 (11) 19.0
 
Jan. 22, 2022, 1 a.m. 8.6 ppb (9) 0.6 ppb (1) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 26.0 ppb (25) 0.1 ppb (2) N/A 2.0 μg/m3 (9) 25.0
 
Jan. 22, 2022, midnight 7.5 ppb (8) 0.7 ppb (1) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 27.0 ppb (25) 0.1 ppb (2) N/A 1.6 μg/m3 (7) 25.0
 
Jan. 21, 2022, 11 p.m. 9.7 ppb (10) 1.5 ppb (2) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 28.0 ppb (26) 0.0 ppb (0) N/A 4.7 μg/m3 (20) 26.0
 
Jan. 21, 2022, 10 p.m. 6.2 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 31.0 ppb (29) 0.0 ppb (0) N/A 3.6 μg/m3 (16) 29.0
 
Jan. 21, 2022, 9 p.m. 7.3 ppb (7) 1.1 ppb (2) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 30.0 ppb (28) 0.0 ppb (0) N/A 5.2 μg/m3 (22) 28.0
 
Jan. 21, 2022, 8 p.m. 10.7 ppb (11) 2.3 ppb (3) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 27.0 ppb (25) 0.0 ppb (0) N/A 9.4 μg/m3 (40) 40.0
 
Jan. 21, 2022, 7 p.m. 10.4 ppb (10) 2.4 ppb (3) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 25.0 ppb (24) 0.0 ppb (0) N/A 11.5 μg/m3 (48) 48.0
 
Jan. 21, 2022, 6 p.m. 13.2 ppb (13) 3.9 ppb (4) N/A 10.0 ppb (10) N/A 1.0 ppb (2) 21.0 ppb (20) 0.0 ppb (0) N/A 9.3 μg/m3 (39) 39.0
 
Jan. 21, 2022, 5 p.m. 22.6 ppb (22) 9.0 ppb (9) N/A 14.0 ppb (14) N/A 1.0 ppb (2) 17.0 ppb (16) 0.1 ppb (2) N/A 9.4 μg/m3 (40) 40.0
 
Jan. 21, 2022, 4 p.m. 33.2 ppb (32) 13.0 ppb (13) N/A 20.0 ppb (19) N/A 1.0 ppb (2) 10.0 ppb (10) 0.2 ppb (3) N/A 12.9 μg/m3 (53) 53.0
 
Jan. 21, 2022, 3 p.m. 34.3 ppb (33) 8.7 ppb (9) N/A 26.0 ppb (25) N/A 1.0 ppb (2) 10.0 ppb (10) 0.2 ppb (3) N/A 13.6 μg/m3 (55) 55.0
 
Jan. 21, 2022, 2 p.m. 37.4 ppb (36) 7.4 ppb (7) N/A 30.0 ppb (29) N/A 2.0 ppb (3) 5.0 ppb (5) 0.2 ppb (3) N/A 10.3 μg/m3 (43) 43.0
 
Jan. 21, 2022, 1 p.m. 29.7 ppb (29) 3.4 ppb (4) N/A 27.0 ppb (26) N/A 1.0 ppb (2) 6.0 ppb (6) 0.3 ppb (4) N/A 11.7 μg/m3 (49) 49.0
 
Jan. 21, 2022, noon 25.7 ppb (25) 1.8 ppb (2) N/A 24.0 ppb (23) N/A 1.0 ppb (2) 9.0 ppb (9) 0.2 ppb (3) N/A 8.8 μg/m3 (37) 37.0
 
Jan. 21, 2022, 11 a.m. 28.6 ppb (27) 2.5 ppb (3) N/A 26.0 ppb (25) N/A 1.0 ppb (2) 9.0 ppb (9) 0.1 ppb (2) N/A 7.9 μg/m3 (33) 33.0
 
Jan. 21, 2022, 10 a.m. 20.2 ppb (20) 1.4 ppb (2) N/A 19.0 ppb (18) N/A 1.0 ppb (2) 17.0 ppb (16) 0.1 ppb (2) N/A 6.8 μg/m3 (29) 29.0
 
Jan. 21, 2022, 9 a.m. 19.6 ppb (19) 1.5 ppb (2) N/A 18.0 ppb (17) N/A 1.0 ppb (2) 17.0 ppb (16) 0.1 ppb (2) N/A 8.2 μg/m3 (35) 35.0
 
Jan. 21, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.8 μg/m3 (41) 41.0
 
Jan. 21, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.6 μg/m3 (57) 57.0
 
Jan. 21, 2022, 6 a.m. 21.4 ppb (21) 0.9 ppb (1) N/A 21.0 ppb (20) N/A 1.0 ppb (2) 10.0 ppb (10) 0.2 ppb (3) N/A 15.4 μg/m3 (58) 58.0
 
Jan. 21, 2022, 5 a.m. 22.2 ppb (21) 0.9 ppb (1) N/A 22.0 ppb (21) N/A 1.0 ppb (2) 11.0 ppb (11) 0.2 ppb (3) N/A 16.2 μg/m3 (60) 60.0
 
Jan. 21, 2022, 4 a.m. 20.4 ppb (20) 1.2 ppb (2) N/A 19.0 ppb (18) N/A 1.0 ppb (2) 19.0 ppb (18) 0.2 ppb (3) N/A 9.8 μg/m3 (41) 41.0
 
Jan. 21, 2022, 3 a.m. 19.8 ppb (19) 1.0 ppb (1) N/A 19.0 ppb (18) N/A 1.0 ppb (2) 22.0 ppb (21) 0.2 ppb (3) N/A 8.1 μg/m3 (34) 34.0
 
Jan. 21, 2022, 2 a.m. 28.4 ppb (27) 1.4 ppb (2) N/A 27.0 ppb (26) N/A 1.0 ppb (2) 15.0 ppb (14) 0.2 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 21, 2022, 1 a.m. 36.0 ppb (34) 2.1 ppb (2) N/A 34.0 ppb (33) N/A 1.0 ppb (2) 10.0 ppb (10) 0.3 ppb (4) N/A 15.2 μg/m3 (58) 58.0
 
Jan. 21, 2022, midnight 25.7 ppb (25) 1.6 ppb (2) N/A 24.0 ppb (23) N/A 1.0 ppb (2) 20.0 ppb (19) 0.2 ppb (3) N/A 12.4 μg/m3 (52) 52.0
 
Jan. 20, 2022, 11 p.m. 33.8 ppb (32) 5.8 ppb (6) N/A 28.0 ppb (27) N/A 2.0 ppb (3) 19.0 ppb (18) 0.2 ppb (3) N/A 15.8 μg/m3 (59) 59.0
 
Jan. 20, 2022, 10 p.m. 39.0 ppb (37) 13.0 ppb (13) N/A 26.0 ppb (25) N/A 2.0 ppb (3) 14.0 ppb (13) 0.2 ppb (3) N/A 25.9 μg/m3 (81) 81.0
 
Jan. 20, 2022, 9 p.m. 28.9 ppb (28) 9.4 ppb (9) N/A 20.0 ppb (19) N/A 1.0 ppb (2) 22.0 ppb (21) 0.2 ppb (3) N/A 21.4 μg/m3 (71) 71.0
 
Jan. 20, 2022, 8 p.m. 40.9 ppb (39) 17.9 ppb (17) N/A 23.0 ppb (22) N/A 2.0 ppb (3) 15.0 ppb (14) 0.2 ppb (3) N/A 28.7 μg/m3 (86) 86.0
 
Jan. 20, 2022, 7 p.m. 43.2 ppb (41) 19.4 ppb (19) N/A 24.0 ppb (23) N/A 2.0 ppb (3) 15.0 ppb (14) 0.2 ppb (3) N/A 29.5 μg/m3 (88) 88.0
 
Jan. 20, 2022, 6 p.m. 48.7 ppb (46) 23.2 ppb (22) N/A 26.0 ppb (25) N/A 2.0 ppb (3) 14.0 ppb (13) 0.2 ppb (3) N/A 23.1 μg/m3 (75) 75.0
 
Jan. 20, 2022, 5 p.m. 85.7 ppb (85) 52.4 ppb (50) N/A 34.0 ppb (33) N/A 2.0 ppb (3) 6.0 ppb (6) 0.4 ppb (5) N/A 24.9 μg/m3 (78) 85.0
 
Jan. 20, 2022, 4 p.m. 59.3 ppb (57) 30.9 ppb (30) N/A 29.0 ppb (28) N/A 2.0 ppb (3) 5.0 ppb (5) 0.4 ppb (5) N/A 23.7 μg/m3 (76) 76.0
 
Jan. 20, 2022, 3 p.m. 46.0 ppb (44) 16.8 ppb (16) N/A 30.0 ppb (29) N/A 1.0 ppb (2) 2.0 ppb (2) 0.3 ppb (4) N/A 25.9 μg/m3 (81) 81.0
 
Jan. 20, 2022, 2 p.m. 38.7 ppb (37) 7.7 ppb (8) N/A 31.0 ppb (30) N/A 1.0 ppb (2) 0.0 ppb (0) 0.2 ppb (3) N/A 23.7 μg/m3 (76) 76.0
 
Jan. 20, 2022, 1 p.m. 69.5 ppb (68) 35.6 ppb (34) N/A 34.0 ppb (33) N/A 2.0 ppb (3) 0.0 ppb (0) 0.4 ppb (5) N/A 23.4 μg/m3 (75) 75.0
 
Jan. 20, 2022, noon 120.5 ppb (105) 84.2 ppb (84) N/A 37.0 ppb (35) N/A 3.0 ppb (5) -1.0 ppb (0) 0.7 ppb (8) N/A 20.8 μg/m3 (70) 105.0
 
Jan. 20, 2022, 11 a.m. 122.3 ppb (106) 87.4 ppb (87) N/A 36.0 ppb (34) N/A 3.0 ppb (5) -1.0 ppb (0) 0.8 ppb (10) N/A 21.2 μg/m3 (71) 106.0
 
Jan. 20, 2022, 10 a.m. 93.8 ppb (94) 59.8 ppb (58) N/A 35.0 ppb (34) N/A 2.0 ppb (3) -1.0 ppb (0) 0.6 ppb (7) N/A 20.3 μg/m3 (69) 94.0
 
Jan. 20, 2022, 9 a.m. 109.5 ppb (103) 78.3 ppb (77) N/A 32.0 ppb (31) N/A 2.0 ppb (3) -1.0 ppb (0) 0.7 ppb (8) N/A 21.5 μg/m3 (71) 103.0
 
Jan. 20, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.4 μg/m3 (73) 73.0
 
Jan. 20, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.7 μg/m3 (72) 72.0