ID: 2834

AQSQID: 490353013

Site Name: Herriman #3

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

Updated: Jan. 19, 2022, 7:33 a.m.

Location: Herriman (Foothills), UT

Reporting: True, Located: True

Current AQI: 91.0

Herriman (Foothills) UT, US: 40.496408, -112.036305

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 19, 2022, 6 a.m. 25.5 ppb (25) 0.9 ppb (1) N/A 24.0 ppb (23) N/A N/A 9.0 ppb (9) N/A N/A 30.9 μg/m3 (91) 91.0
 
Jan. 19, 2022, 5 a.m. 23.3 ppb (22) 0.6 ppb (1) N/A 23.0 ppb (22) N/A N/A 11.0 ppb (11) N/A N/A 22.9 μg/m3 (74) 74.0
 
Jan. 19, 2022, 4 a.m. 27.6 ppb (27) 0.8 ppb (1) N/A 27.0 ppb (26) N/A N/A 9.0 ppb (9) N/A N/A 27.0 μg/m3 (83) 83.0
 
Jan. 19, 2022, 3 a.m. 27.1 ppb (26) 0.8 ppb (1) N/A 26.0 ppb (25) N/A N/A 11.0 ppb (11) N/A N/A 23.5 μg/m3 (75) 75.0
 
Jan. 19, 2022, 2 a.m. 29.9 ppb (29) 0.8 ppb (1) N/A 29.0 ppb (28) N/A N/A 11.0 ppb (11) N/A N/A 22.9 μg/m3 (74) 74.0
 
Jan. 19, 2022, 1 a.m. 25.1 ppb (24) 0.7 ppb (1) N/A 24.0 ppb (23) N/A N/A 18.0 ppb (17) N/A N/A 20.1 μg/m3 (68) 68.0
 
Jan. 19, 2022, midnight 37.6 ppb (36) 3.7 ppb (4) N/A 34.0 ppb (33) N/A N/A 7.0 ppb (7) N/A N/A 44.6 μg/m3 (124) 124.0
 
Jan. 18, 2022, 11 p.m. 34.4 ppb (33) 5.7 ppb (6) N/A 29.0 ppb (28) N/A N/A 15.0 ppb (14) N/A N/A 49.5 μg/m3 (136) 136.0
 
Jan. 18, 2022, 10 p.m. 41.7 ppb (40) 10.1 ppb (10) N/A 31.0 ppb (30) N/A N/A 18.0 ppb (17) N/A N/A 49.0 μg/m3 (135) 135.0
 
Jan. 18, 2022, 9 p.m. 40.7 ppb (39) 12.4 ppb (12) N/A 28.0 ppb (27) N/A N/A 22.0 ppb (21) N/A N/A 42.1 μg/m3 (118) 118.0
 
Jan. 18, 2022, 8 p.m. 30.6 ppb (29) 9.3 ppb (9) N/A 21.0 ppb (20) N/A N/A 25.0 ppb (24) N/A N/A 38.9 μg/m3 (110) 110.0
 
Jan. 18, 2022, 7 p.m. 34.3 ppb (33) 12.4 ppb (12) N/A 22.0 ppb (21) N/A N/A 22.0 ppb (21) N/A N/A 45.8 μg/m3 (127) 127.0
 
Jan. 18, 2022, 6 p.m. 38.0 ppb (36) 14.7 ppb (14) N/A 23.0 ppb (22) N/A N/A 18.0 ppb (17) N/A N/A 52.0 μg/m3 (142) 142.0
 
Jan. 18, 2022, 5 p.m. 28.6 ppb (27) 8.0 ppb (8) N/A 20.0 ppb (19) N/A N/A 17.0 ppb (16) N/A 51.0 μg/m3 (48) 49.9 μg/m3 (137) 137.0
 
Jan. 18, 2022, 4 p.m. 33.8 ppb (32) 11.8 ppb (12) N/A 22.0 ppb (21) N/A N/A 14.0 ppb (13) N/A 48.0 μg/m3 (45) 38.8 μg/m3 (110) 110.0
 
Jan. 18, 2022, 3 p.m. 37.5 ppb (36) 9.3 ppb (9) N/A 28.0 ppb (27) N/A N/A 6.0 ppb (6) N/A 24.0 μg/m3 (23) 28.9 μg/m3 (87) 87.0
 
Jan. 18, 2022, 2 p.m. 27.2 ppb (26) 3.3 ppb (4) N/A 24.0 ppb (23) N/A N/A 8.0 ppb (8) N/A 16.0 μg/m3 (15) 10.4 μg/m3 (44) 44.0
 
Jan. 18, 2022, 1 p.m. 25.9 ppb (25) 1.3 ppb (2) N/A 24.0 ppb (23) N/A N/A 8.0 ppb (8) N/A 16.0 μg/m3 (15) 10.9 μg/m3 (46) 46.0
 
Jan. 18, 2022, noon 22.4 ppb (22) 0.9 ppb (1) N/A 21.0 ppb (20) N/A N/A 10.0 ppb (10) N/A 18.0 μg/m3 (17) 10.2 μg/m3 (43) 43.0
 
Jan. 18, 2022, 11 a.m. 22.7 ppb (22) 0.8 ppb (1) N/A 22.0 ppb (21) N/A N/A 10.0 ppb (10) N/A 21.0 μg/m3 (20) 12.4 μg/m3 (52) 52.0
 
Jan. 18, 2022, 10 a.m. 21.8 ppb (21) 0.8 ppb (1) N/A 21.0 ppb (20) N/A N/A 9.0 ppb (9) N/A 17.0 μg/m3 (16) 17.9 μg/m3 (64) 64.0
 
Jan. 18, 2022, 9 a.m. 22.0 ppb (21) 0.8 ppb (1) N/A 21.0 ppb (20) N/A N/A 10.0 ppb (10) N/A 40.0 μg/m3 (38) 15.3 μg/m3 (58) 58.0
 
Jan. 18, 2022, 8 a.m. 29.2 ppb (28) 1.0 ppb (1) N/A 28.0 ppb (27) N/A N/A 5.0 ppb (5) N/A 51.0 μg/m3 (48) 28.3 μg/m3 (86) 86.0
 
Jan. 18, 2022, 7 a.m. 32.6 ppb (31) 2.2 ppb (3) N/A 30.0 ppb (29) N/A N/A 3.0 ppb (3) N/A 49.0 μg/m3 (46) 32.1 μg/m3 (94) 94.0
 
Jan. 18, 2022, 6 a.m. 31.9 ppb (31) 2.2 ppb (3) N/A 30.0 ppb (29) N/A N/A 3.0 ppb (3) N/A 42.0 μg/m3 (39) 29.9 μg/m3 (89) 89.0
 
Jan. 18, 2022, 5 a.m. 30.2 ppb (29) 1.4 ppb (2) N/A 29.0 ppb (28) N/A N/A 4.0 ppb (4) N/A 52.0 μg/m3 (49) 23.3 μg/m3 (75) 75.0
 
Jan. 18, 2022, 4 a.m. 35.9 ppb (34) 3.5 ppb (4) N/A 32.0 ppb (31) N/A N/A 2.0 ppb (2) N/A 56.0 μg/m3 (52) 29.0 μg/m3 (87) 87.0
 
Jan. 18, 2022, 3 a.m. 37.3 ppb (36) 4.7 ppb (5) N/A 32.0 ppb (31) N/A N/A 1.0 ppb (1) N/A 55.0 μg/m3 (51) 26.6 μg/m3 (82) 82.0
 
Jan. 18, 2022, 2 a.m. 41.9 ppb (40) 5.5 ppb (6) N/A 36.0 ppb (34) N/A N/A 1.0 ppb (1) N/A 72.0 μg/m3 (60) 29.9 μg/m3 (89) 89.0
 
Jan. 18, 2022, 1 a.m. 42.0 ppb (40) 3.9 ppb (4) N/A 38.0 ppb (36) N/A N/A 1.0 ppb (1) N/A 64.0 μg/m3 (56) 32.0 μg/m3 (93) 93.0
 
Jan. 18, 2022, midnight 42.3 ppb (40) 4.6 ppb (5) N/A 37.0 ppb (35) N/A N/A 6.0 ppb (6) N/A 59.0 μg/m3 (53) 33.7 μg/m3 (97) 97.0
 
Jan. 17, 2022, 11 p.m. 44.0 ppb (42) 10.5 ppb (10) N/A 33.0 ppb (32) N/A N/A 11.0 ppb (11) N/A 52.0 μg/m3 (49) 28.4 μg/m3 (86) 86.0
 
Jan. 17, 2022, 10 p.m. 31.4 ppb (30) 8.7 ppb (9) N/A 23.0 ppb (22) N/A N/A 22.0 ppb (21) N/A 34.0 μg/m3 (32) 22.2 μg/m3 (73) 73.0
 
Jan. 17, 2022, 9 p.m. 21.8 ppb (21) 6.5 ppb (7) N/A 15.0 ppb (15) N/A N/A 29.0 ppb (27) N/A 38.0 μg/m3 (36) 12.8 μg/m3 (53) 53.0
 
Jan. 17, 2022, 8 p.m. 20.9 ppb (20) 7.3 ppb (7) N/A 14.0 ppb (14) N/A N/A 30.0 ppb (28) N/A 31.0 μg/m3 (29) 10.7 μg/m3 (45) 45.0
 
Jan. 17, 2022, 7 p.m. 27.3 ppb (26) 9.4 ppb (9) N/A 18.0 ppb (17) N/A N/A 23.0 ppb (22) N/A 31.0 μg/m3 (29) 16.3 μg/m3 (60) 60.0
 
Jan. 17, 2022, 6 p.m. 23.8 ppb (23) 7.7 ppb (8) N/A 16.0 ppb (16) N/A N/A 24.0 ppb (23) N/A 24.0 μg/m3 (23) 16.0 μg/m3 (60) 60.0
 
Jan. 17, 2022, 5 p.m. 19.3 ppb (19) 6.5 ppb (7) N/A 13.0 ppb (13) N/A N/A 26.0 ppb (25) N/A 10.0 μg/m3 (10) 12.1 μg/m3 (51) 51.0
 
Jan. 17, 2022, 4 p.m. 24.2 ppb (23) 7.5 ppb (8) N/A 17.0 ppb (17) N/A N/A 20.0 ppb (19) N/A 15.0 μg/m3 (14) 9.2 μg/m3 (39) 39.0
 
Jan. 17, 2022, 3 p.m. 32.8 ppb (31) 8.2 ppb (8) N/A 24.0 ppb (23) N/A N/A 12.0 ppb (12) N/A 17.0 μg/m3 (16) 7.6 μg/m3 (32) 32.0
 
Jan. 17, 2022, 2 p.m. 13.8 ppb (14) 0.6 ppb (1) N/A 13.0 ppb (13) N/A N/A 20.0 ppb (19) N/A 6.0 μg/m3 (6) 5.6 μg/m3 (24) 24.0
 
Jan. 17, 2022, 1 p.m. 17.0 ppb (17) 0.7 ppb (1) N/A 16.0 ppb (16) N/A N/A 17.0 ppb (16) N/A 11.0 μg/m3 (11) 6.9 μg/m3 (29) 29.0
 
Jan. 17, 2022, noon 15.5 ppb (15) 0.5 ppb (1) N/A 15.0 ppb (15) N/A N/A 18.0 ppb (17) N/A 11.0 μg/m3 (11) 8.1 μg/m3 (34) 34.0
 
Jan. 17, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 23.0 μg/m3 (22) 8.9 μg/m3 (38) 38.0
 
Jan. 17, 2022, 10 a.m. 14.2 ppb (14) 0.4 ppb (1) N/A 14.0 ppb (14) N/A N/A 18.0 ppb (17) N/A 13.0 μg/m3 (13) 9.1 μg/m3 (38) 38.0
 
Jan. 17, 2022, 9 a.m. 15.4 ppb (15) 0.5 ppb (1) N/A 15.0 ppb (15) N/A N/A 16.0 ppb (15) N/A 18.0 μg/m3 (17) 8.9 μg/m3 (38) 38.0
 
Jan. 17, 2022, 8 a.m. 16.0 ppb (16) 0.5 ppb (1) N/A 16.0 ppb (16) N/A N/A 16.0 ppb (15) N/A 9.0 μg/m3 (9) 11.4 μg/m3 (48) 48.0
 
Jan. 17, 2022, 7 a.m. 17.1 ppb (17) 0.5 ppb (1) N/A 17.0 ppb (17) N/A N/A 15.0 ppb (14) N/A 21.0 μg/m3 (20) 12.8 μg/m3 (53) 53.0
 
Jan. 17, 2022, 6 a.m. 21.2 ppb (20) 0.7 ppb (1) N/A 21.0 ppb (20) N/A N/A 12.0 ppb (12) N/A 27.0 μg/m3 (25) 13.6 μg/m3 (55) 55.0
 
Jan. 17, 2022, 5 a.m. 23.0 ppb (22) 0.7 ppb (1) N/A 22.0 ppb (21) N/A N/A 11.0 ppb (11) N/A 37.0 μg/m3 (35) 16.5 μg/m3 (61) 61.0
 
Jan. 17, 2022, 4 a.m. 21.7 ppb (21) 0.6 ppb (1) N/A 21.0 ppb (20) N/A N/A 12.0 ppb (12) N/A 32.0 μg/m3 (30) 18.8 μg/m3 (66) 66.0
 
Jan. 17, 2022, 3 a.m. 18.2 ppb (18) 0.4 ppb (1) N/A 18.0 ppb (17) N/A N/A 15.0 ppb (14) N/A 29.0 μg/m3 (27) 17.7 μg/m3 (63) 63.0
 
Jan. 17, 2022, 2 a.m. 18.7 ppb (18) 0.5 ppb (1) N/A 18.0 ppb (17) N/A N/A 16.0 ppb (15) N/A 32.0 μg/m3 (30) 17.1 μg/m3 (62) 62.0
 
Jan. 17, 2022, 1 a.m. 18.0 ppb (17) 0.5 ppb (1) N/A 18.0 ppb (17) N/A N/A 16.0 ppb (15) N/A 31.0 μg/m3 (29) 16.3 μg/m3 (60) 60.0
 
Jan. 17, 2022, midnight 18.5 ppb (18) 0.9 ppb (1) N/A 17.0 ppb (17) N/A N/A 22.0 ppb (21) N/A 27.0 μg/m3 (25) 16.1 μg/m3 (60) 60.0
 
Jan. 16, 2022, 11 p.m. 15.4 ppb (15) 2.0 ppb (2) N/A 13.0 ppb (13) N/A N/A 29.0 ppb (27) N/A 22.0 μg/m3 (21) 13.8 μg/m3 (55) 55.0
 
Jan. 16, 2022, 10 p.m. 15.7 ppb (15) 3.4 ppb (4) N/A 12.0 ppb (12) N/A N/A 32.0 ppb (30) N/A 22.0 μg/m3 (21) 14.2 μg/m3 (56) 56.0
 
Jan. 16, 2022, 9 p.m. 13.7 ppb (13) 3.3 ppb (4) N/A 10.0 ppb (10) N/A N/A 34.0 ppb (32) N/A 28.0 μg/m3 (26) 14.0 μg/m3 (55) 55.0
 
Jan. 16, 2022, 8 p.m. 15.3 ppb (15) 4.4 ppb (5) N/A 11.0 ppb (11) N/A N/A 33.0 ppb (31) N/A 19.0 μg/m3 (18) 15.6 μg/m3 (59) 59.0
 
Jan. 16, 2022, 7 p.m. 16.4 ppb (16) 5.0 ppb (5) N/A 11.0 ppb (11) N/A N/A 30.0 ppb (28) N/A 33.0 μg/m3 (31) 17.3 μg/m3 (62) 62.0
 
Jan. 16, 2022, 6 p.m. 21.7 ppb (21) 8.1 ppb (8) N/A 13.0 ppb (13) N/A N/A 26.0 ppb (25) N/A 31.0 μg/m3 (29) 17.7 μg/m3 (63) 63.0
 
Jan. 16, 2022, 5 p.m. 19.3 ppb (19) 6.4 ppb (7) N/A 13.0 ppb (13) N/A N/A 26.0 ppb (25) N/A 13.0 μg/m3 (13) 17.0 μg/m3 (62) 62.0
 
Jan. 16, 2022, 4 p.m. 17.3 ppb (17) 4.6 ppb (5) N/A 13.0 ppb (13) N/A N/A 25.0 ppb (24) N/A 8.0 μg/m3 (8) 12.2 μg/m3 (52) 52.0
 
Jan. 16, 2022, 3 p.m. 12.5 ppb (12) 1.5 ppb (2) N/A 11.0 ppb (11) N/A N/A 25.0 ppb (24) N/A 7.0 μg/m3 (7) 6.2 μg/m3 (26) 26.0
 
Jan. 16, 2022, 2 p.m. 10.4 ppb (10) 0.4 ppb (1) N/A 10.0 ppb (10) N/A N/A 25.0 ppb (24) N/A 10.0 μg/m3 (10) 6.6 μg/m3 (28) 28.0
 
Jan. 16, 2022, 1 p.m. 10.6 ppb (10) 0.4 ppb (1) N/A 10.0 ppb (10) N/A N/A 26.0 ppb (25) N/A 10.0 μg/m3 (10) 8.0 μg/m3 (34) 34.0
 
Jan. 16, 2022, noon 11.8 ppb (12) 0.3 ppb (1) N/A 11.0 ppb (11) N/A N/A 23.0 ppb (22) N/A 10.0 μg/m3 (10) 9.0 μg/m3 (38) 38.0
 
Jan. 16, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 12.0 μg/m3 (12) 10.0 μg/m3 (42) 42.0
 
Jan. 16, 2022, 10 a.m. 13.0 ppb (13) 0.4 ppb (1) N/A 12.0 ppb (12) N/A N/A 22.0 ppb (21) N/A 13.0 μg/m3 (13) 10.9 μg/m3 (46) 46.0
 
Jan. 16, 2022, 9 a.m. 11.9 ppb (12) 0.4 ppb (1) N/A 11.0 ppb (11) N/A N/A 23.0 ppb (22) N/A 18.0 μg/m3 (17) 10.3 μg/m3 (43) 43.0
 
Jan. 16, 2022, 8 a.m. 15.8 ppb (15) 0.5 ppb (1) N/A 15.0 ppb (15) N/A N/A 19.0 ppb (18) N/A 21.0 μg/m3 (20) 13.8 μg/m3 (55) 55.0
 
Jan. 16, 2022, 7 a.m. 14.7 ppb (14) 0.4 ppb (1) N/A 14.0 ppb (14) N/A N/A 20.0 ppb (19) N/A 24.0 μg/m3 (23) 13.5 μg/m3 (54) 54.0
 
Jan. 16, 2022, 6 a.m. 12.2 ppb (12) 0.4 ppb (1) N/A 12.0 ppb (12) N/A N/A 23.0 ppb (22) N/A 21.0 μg/m3 (20) 12.9 μg/m3 (53) 53.0
 
Jan. 16, 2022, 5 a.m. 12.3 ppb (12) 0.4 ppb (1) N/A 12.0 ppb (12) N/A N/A 24.0 ppb (23) N/A 26.0 μg/m3 (25) 13.6 μg/m3 (55) 55.0
 
Jan. 16, 2022, 4 a.m. 12.9 ppb (13) 0.4 ppb (1) N/A 12.0 ppb (12) N/A N/A 25.0 ppb (24) N/A 29.0 μg/m3 (27) 17.2 μg/m3 (62) 62.0
 
Jan. 16, 2022, 3 a.m. 12.6 ppb (12) 0.4 ppb (1) N/A 12.0 ppb (12) N/A N/A 28.0 ppb (26) N/A 26.0 μg/m3 (25) 19.3 μg/m3 (67) 67.0
 
Jan. 16, 2022, 2 a.m. 12.3 ppb (12) 0.5 ppb (1) N/A 12.0 ppb (12) N/A N/A 27.0 ppb (25) N/A 26.0 μg/m3 (25) 20.1 μg/m3 (68) 68.0
 
Jan. 16, 2022, 1 a.m. 10.8 ppb (11) 0.3 ppb (1) N/A 10.0 ppb (10) N/A N/A 28.0 ppb (26) N/A 39.0 μg/m3 (37) 21.9 μg/m3 (72) 72.0
 
Jan. 16, 2022, midnight 11.6 ppb (11) 0.3 ppb (1) N/A 11.0 ppb (11) N/A N/A 27.0 ppb (25) N/A 32.0 μg/m3 (30) 20.7 μg/m3 (70) 70.0
 
Jan. 15, 2022, 11 p.m. 9.3 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (9) N/A N/A 34.0 ppb (32) N/A 25.0 μg/m3 (24) 19.0 μg/m3 (66) 66.0
 
Jan. 15, 2022, 10 p.m. 9.5 ppb (9) 1.1 ppb (2) N/A 8.0 ppb (8) N/A N/A 35.0 ppb (33) N/A 26.0 μg/m3 (25) 18.6 μg/m3 (65) 65.0
 
Jan. 15, 2022, 9 p.m. 10.0 ppb (10) 1.6 ppb (2) N/A 8.0 ppb (8) N/A N/A 35.0 ppb (33) N/A 26.0 μg/m3 (25) 21.6 μg/m3 (71) 71.0
 
Jan. 15, 2022, 8 p.m. 10.0 ppb (10) 2.0 ppb (2) N/A 8.0 ppb (8) N/A N/A 34.0 ppb (32) N/A 26.0 μg/m3 (25) 21.2 μg/m3 (71) 71.0
 
Jan. 15, 2022, 7 p.m. 10.8 ppb (11) 2.4 ppb (3) N/A 8.0 ppb (8) N/A N/A 32.0 ppb (30) N/A 27.0 μg/m3 (25) 19.0 μg/m3 (66) 66.0
 
Jan. 15, 2022, 6 p.m. 14.6 ppb (14) 4.2 ppb (4) N/A 10.0 ppb (10) N/A N/A 28.0 ppb (26) N/A 23.0 μg/m3 (22) 22.2 μg/m3 (73) 73.0
 
Jan. 15, 2022, 5 p.m. 15.1 ppb (15) 4.4 ppb (5) N/A 11.0 ppb (11) N/A N/A 27.0 ppb (25) N/A 13.0 μg/m3 (13) 18.9 μg/m3 (66) 66.0
 
Jan. 15, 2022, 4 p.m. 15.2 ppb (15) 3.6 ppb (4) N/A 12.0 ppb (12) N/A N/A 25.0 ppb (24) N/A 28.0 μg/m3 (26) 14.0 μg/m3 (55) 55.0
 
Jan. 15, 2022, 3 p.m. 18.8 ppb (18) 2.5 ppb (3) N/A 16.0 ppb (16) N/A N/A 19.0 ppb (18) N/A 40.0 μg/m3 (38) 12.5 μg/m3 (52) 52.0
 
Jan. 15, 2022, 2 p.m. 17.4 ppb (17) 0.7 ppb (1) N/A 17.0 ppb (17) N/A N/A 16.0 ppb (15) N/A 19.0 μg/m3 (18) 14.6 μg/m3 (57) 57.0
 
Jan. 15, 2022, 1 p.m. 15.0 ppb (15) 0.4 ppb (1) N/A 15.0 ppb (15) N/A N/A 19.0 ppb (18) N/A 17.0 μg/m3 (16) 13.7 μg/m3 (55) 55.0
 
Jan. 15, 2022, noon 13.6 ppb (13) 0.4 ppb (1) N/A 13.0 ppb (13) N/A N/A 20.0 ppb (19) N/A 13.0 μg/m3 (13) 12.7 μg/m3 (53) 53.0
 
Jan. 15, 2022, 11 a.m. 11.9 ppb (12) 0.4 ppb (1) N/A 11.0 ppb (11) N/A N/A N/A N/A 12.0 μg/m3 (12) 12.0 μg/m3 (50) 50.0
 
Jan. 15, 2022, 10 a.m. 9.6 ppb (10) 0.4 ppb (1) N/A 9.0 ppb (9) N/A N/A 23.0 ppb (22) N/A 20.0 μg/m3 (19) 11.9 μg/m3 (50) 50.0
 
Jan. 15, 2022, 9 a.m. 9.6 ppb (10) 0.4 ppb (1) N/A 9.0 ppb (9) N/A N/A 23.0 ppb (22) N/A 18.0 μg/m3 (17) 11.3 μg/m3 (48) 48.0
 
Jan. 15, 2022, 8 a.m. 9.3 ppb (9) 0.4 ppb (1) N/A 9.0 ppb (9) N/A N/A 23.0 ppb (22) N/A 13.0 μg/m3 (13) 10.7 μg/m3 (45) 45.0
 
Jan. 15, 2022, 7 a.m. 8.8 ppb (9) 0.4 ppb (1) N/A 8.0 ppb (8) N/A N/A 26.0 ppb (25) N/A 11.0 μg/m3 (11) 9.4 μg/m3 (40) 40.0
 
Jan. 15, 2022, 6 a.m. 9.4 ppb (9) 0.4 ppb (1) N/A 9.0 ppb (9) N/A N/A 25.0 ppb (24) N/A 13.0 μg/m3 (13) 8.2 μg/m3 (35) 35.0
 
Jan. 15, 2022, 5 a.m. 9.0 ppb (9) 0.4 ppb (1) N/A 9.0 ppb (9) N/A N/A 26.0 ppb (25) N/A 16.0 μg/m3 (15) 7.8 μg/m3 (33) 33.0
 
Jan. 15, 2022, 4 a.m. 9.3 ppb (9) 0.4 ppb (1) N/A 9.0 ppb (9) N/A N/A 25.0 ppb (24) N/A 17.0 μg/m3 (16) 8.5 μg/m3 (36) 36.0
 
Jan. 15, 2022, 3 a.m. 9.6 ppb (10) 0.4 ppb (1) N/A 9.0 ppb (9) N/A N/A 25.0 ppb (24) N/A 21.0 μg/m3 (20) 8.7 μg/m3 (37) 37.0
 
Jan. 15, 2022, 2 a.m. 13.9 ppb (14) 0.5 ppb (1) N/A 13.0 ppb (13) N/A N/A 21.0 ppb (20) N/A 31.0 μg/m3 (29) 9.9 μg/m3 (42) 42.0
 
Jan. 15, 2022, 1 a.m. 17.5 ppb (17) 0.5 ppb (1) N/A 17.0 ppb (17) N/A N/A 19.0 ppb (18) N/A 35.0 μg/m3 (33) 12.1 μg/m3 (51) 51.0
 
Jan. 15, 2022, midnight 12.6 ppb (12) 0.4 ppb (1) N/A 12.0 ppb (12) N/A N/A 29.0 ppb (27) N/A 19.0 μg/m3 (18) 12.5 μg/m3 (52) 52.0
 
Jan. 14, 2022, 11 p.m. 8.4 ppb (8) 0.8 ppb (1) N/A 7.0 ppb (7) N/A N/A 37.0 ppb (35) N/A 19.0 μg/m3 (18) 10.1 μg/m3 (43) 43.0
 
Jan. 14, 2022, 10 p.m. 7.1 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 39.0 ppb (37) N/A 16.0 μg/m3 (15) 8.5 μg/m3 (36) 37.0
 
Jan. 14, 2022, 9 p.m. 6.9 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 38.0 ppb (36) N/A 13.0 μg/m3 (13) 10.4 μg/m3 (44) 44.0
 
Jan. 14, 2022, 8 p.m. 7.9 ppb (8) 1.1 ppb (2) N/A 7.0 ppb (7) N/A N/A 37.0 ppb (35) N/A 31.0 μg/m3 (29) 12.3 μg/m3 (52) 52.0
 
Jan. 14, 2022, 7 p.m. 12.9 ppb (13) 3.2 ppb (4) N/A 10.0 ppb (10) N/A N/A 32.0 ppb (30) N/A 34.0 μg/m3 (32) 17.6 μg/m3 (63) 63.0
 
Jan. 14, 2022, 6 p.m. 38.2 ppb (37) 17.3 ppb (17) N/A 21.0 ppb (20) N/A N/A 18.0 ppb (17) N/A 34.0 μg/m3 (32) 28.0 μg/m3 (85) 85.0
 
Jan. 14, 2022, 5 p.m. 45.6 ppb (44) 22.0 ppb (21) N/A 23.0 ppb (22) N/A N/A 13.0 ppb (13) N/A 30.0 μg/m3 (28) 30.1 μg/m3 (89) 89.0
 
Jan. 14, 2022, 4 p.m. 45.8 ppb (44) 19.4 ppb (19) N/A 26.0 ppb (25) N/A N/A 9.0 ppb (9) N/A 41.0 μg/m3 (38) 30.4 μg/m3 (90) 90.0
 
Jan. 14, 2022, 3 p.m. 34.2 ppb (33) 6.4 ppb (7) N/A 28.0 ppb (27) N/A N/A 5.0 ppb (5) N/A 40.0 μg/m3 (38) 27.8 μg/m3 (85) 85.0
 
Jan. 14, 2022, 2 p.m. 26.3 ppb (25) 2.0 ppb (2) N/A 24.0 ppb (23) N/A N/A 7.0 ppb (7) N/A 25.0 μg/m3 (24) 28.4 μg/m3 (86) 86.0
 
Jan. 14, 2022, 1 p.m. 20.4 ppb (20) 1.0 ppb (1) N/A 19.0 ppb (18) N/A N/A 15.0 ppb (14) N/A 38.0 μg/m3 (36) 24.0 μg/m3 (77) 77.0
 
Jan. 14, 2022, noon 19.3 ppb (19) 0.9 ppb (1) N/A 18.0 ppb (17) N/A N/A 13.0 ppb (13) N/A 44.0 μg/m3 (41) 30.9 μg/m3 (91) 91.0
 
Jan. 14, 2022, 11 a.m. 19.5 ppb (19) 0.8 ppb (1) N/A 19.0 ppb (18) N/A N/A 11.0 ppb (11) N/A 40.0 μg/m3 (38) 31.8 μg/m3 (93) 93.0
 
Jan. 14, 2022, 10 a.m. 21.1 ppb (20) 0.8 ppb (1) N/A 20.0 ppb (19) N/A N/A 11.0 ppb (11) N/A 26.0 μg/m3 (25) 27.8 μg/m3 (85) 85.0
 
Jan. 14, 2022, 9 a.m. 16.8 ppb (16) 0.6 ppb (1) N/A 16.0 ppb (16) N/A N/A 15.0 ppb (14) N/A 21.0 μg/m3 (20) 16.8 μg/m3 (61) 61.0
 
Jan. 14, 2022, 8 a.m. 15.6 ppb (15) 0.6 ppb (1) N/A 15.0 ppb (15) N/A N/A 16.0 ppb (15) N/A 30.0 μg/m3 (28) 15.7 μg/m3 (59) 59.0
 
Jan. 14, 2022, 7 a.m. 21.0 ppb (20) 0.6 ppb (1) N/A 20.0 ppb (19) N/A N/A 9.0 ppb (9) N/A 24.0 μg/m3 (23) 16.4 μg/m3 (61) 61.0
 
Jan. 14, 2022, 6 a.m. 20.8 ppb (20) 0.5 ppb (1) N/A 20.0 ppb (19) N/A N/A 13.0 ppb (13) N/A 38.0 μg/m3 (36) 16.3 μg/m3 (60) 60.0
 
Jan. 14, 2022, 5 a.m. 31.4 ppb (30) 1.2 ppb (2) N/A 30.0 ppb (29) N/A N/A 5.0 ppb (5) N/A 41.0 μg/m3 (38) 20.0 μg/m3 (68) 68.0
 
Jan. 14, 2022, 4 a.m. 33.5 ppb (32) 1.7 ppb (2) N/A 32.0 ppb (31) N/A N/A 5.0 ppb (5) N/A 52.0 μg/m3 (49) 22.3 μg/m3 (73) 73.0
 
Jan. 14, 2022, 3 a.m. 38.7 ppb (37) 4.8 ppb (5) N/A 34.0 ppb (33) N/A N/A 1.0 ppb (1) N/A 64.0 μg/m3 (56) 27.2 μg/m3 (83) 83.0
 
Jan. 14, 2022, 2 a.m. 39.3 ppb (38) 3.9 ppb (4) N/A 35.0 ppb (34) N/A N/A 2.0 ppb (2) N/A 69.0 μg/m3 (58) 26.7 μg/m3 (82) 82.0
 
Jan. 14, 2022, 1 a.m. 43.5 ppb (42) 5.8 ppb (6) N/A 37.0 ppb (35) N/A N/A 1.0 ppb (1) N/A 67.0 μg/m3 (57) 20.3 μg/m3 (69) 69.0
 
Jan. 14, 2022, midnight 44.2 ppb (42) 7.7 ppb (8) N/A 36.0 ppb (34) N/A N/A 2.0 ppb (2) N/A 61.0 μg/m3 (54) 21.1 μg/m3 (70) 70.0
 
Jan. 13, 2022, 11 p.m. 26.3 ppb (25) 4.6 ppb (5) N/A 22.0 ppb (21) N/A N/A 20.0 ppb (19) N/A 13.0 μg/m3 (13) 10.5 μg/m3 (44) 44.0
 
Jan. 13, 2022, 10 p.m. 8.5 ppb (9) 1.3 ppb (2) N/A 7.0 ppb (7) N/A N/A 35.0 ppb (33) N/A 29.0 μg/m3 (27) 2.6 μg/m3 (11) 33.0
 
Jan. 13, 2022, 9 p.m. 13.6 ppb (13) 2.5 ppb (3) N/A 11.0 ppb (11) N/A N/A 29.0 ppb (27) N/A 28.0 μg/m3 (26) 4.7 μg/m3 (20) 27.0
 
Jan. 13, 2022, 8 p.m. 17.8 ppb (17) 4.2 ppb (4) N/A 14.0 ppb (14) N/A N/A 26.0 ppb (25) N/A 34.0 μg/m3 (32) 6.5 μg/m3 (28) 32.0
 
Jan. 13, 2022, 7 p.m. 16.4 ppb (16) 4.4 ppb (5) N/A 12.0 ppb (12) N/A N/A 27.0 ppb (25) N/A 35.0 μg/m3 (33) 6.3 μg/m3 (27) 33.0
 
Jan. 13, 2022, 6 p.m. 20.8 ppb (20) 6.4 ppb (7) N/A 14.0 ppb (14) N/A N/A 24.0 ppb (23) N/A 35.0 μg/m3 (33) 6.8 μg/m3 (29) 33.0
 
Jan. 13, 2022, 5 p.m. 26.0 ppb (25) 9.6 ppb (10) N/A 16.0 ppb (16) N/A N/A 21.0 ppb (20) N/A 17.0 μg/m3 (16) 8.5 μg/m3 (36) 36.0
 
Jan. 13, 2022, 4 p.m. 24.5 ppb (24) 7.5 ppb (8) N/A 17.0 ppb (17) N/A N/A 22.0 ppb (21) N/A 5.0 μg/m3 (5) 5.7 μg/m3 (24) 24.0
 
Jan. 13, 2022, 3 p.m. 17.2 ppb (17) 2.1 ppb (2) N/A 15.0 ppb (15) N/A N/A 24.0 ppb (23) N/A 9.0 μg/m3 (9) 4.9 μg/m3 (21) 23.0
 
Jan. 13, 2022, 2 p.m. 25.4 ppb (24) 2.7 ppb (3) N/A 23.0 ppb (22) N/A N/A 13.0 ppb (13) N/A 6.0 μg/m3 (6) 4.1 μg/m3 (18) 24.0
 
Jan. 13, 2022, 1 p.m. 26.7 ppb (26) 3.0 ppb (3) N/A 24.0 ppb (23) N/A N/A 9.0 ppb (9) N/A 18.0 μg/m3 (17) 3.6 μg/m3 (16) 26.0
 
Jan. 13, 2022, noon 20.3 ppb (20) 0.8 ppb (1) N/A 19.0 ppb (18) N/A N/A 12.0 ppb (12) N/A 7.0 μg/m3 (7) 4.1 μg/m3 (18) 20.0
 
Jan. 13, 2022, 11 a.m. 17.7 ppb (17) 0.5 ppb (1) N/A 17.0 ppb (17) N/A N/A 17.0 ppb (16) N/A 12.0 μg/m3 (12) 5.8 μg/m3 (25) 25.0
 
Jan. 13, 2022, 10 a.m. 11.1 ppb (11) 0.4 ppb (1) N/A 11.0 ppb (11) N/A N/A 24.0 ppb (23) N/A 3.0 μg/m3 (3) 3.2 μg/m3 (14) 23.0
 
Jan. 13, 2022, 9 a.m. 11.2 ppb (11) 0.4 ppb (1) N/A 11.0 ppb (11) N/A N/A 25.0 ppb (24) N/A 8.0 μg/m3 (8) 2.7 μg/m3 (12) 24.0
 
Jan. 13, 2022, 8 a.m. 13.8 ppb (14) 0.5 ppb (1) N/A 13.0 ppb (13) N/A N/A 20.0 ppb (19) N/A 1.0 μg/m3 (1) 3.2 μg/m3 (14) 19.0
 
Jan. 13, 2022, 7 a.m. 11.3 ppb (11) 0.3 ppb (1) N/A 11.0 ppb (11) N/A N/A 23.0 ppb (22) N/A 12.0 μg/m3 (12) 4.1 μg/m3 (18) 22.0
 
Jan. 13, 2022, 6 a.m. 13.8 ppb (14) 0.4 ppb (1) N/A 13.0 ppb (13) N/A N/A 21.0 ppb (20) N/A 27.0 μg/m3 (25) 6.4 μg/m3 (27) 27.0
 
Jan. 13, 2022, 5 a.m. 24.4 ppb (24) 0.8 ppb (1) N/A 23.0 ppb (22) N/A N/A 11.0 ppb (11) N/A 27.0 μg/m3 (25) 10.9 μg/m3 (46) 46.0
 
Jan. 13, 2022, 4 a.m. 24.9 ppb (24) 0.8 ppb (1) N/A 24.0 ppb (23) N/A N/A 9.0 ppb (9) N/A 40.0 μg/m3 (38) 11.3 μg/m3 (48) 48.0
 
Jan. 13, 2022, 3 a.m. 29.8 ppb (29) 0.9 ppb (1) N/A 29.0 ppb (28) N/A N/A 10.0 ppb (10) N/A 28.0 μg/m3 (26) 13.4 μg/m3 (54) 54.0
 
Jan. 13, 2022, 2 a.m. 16.5 ppb (16) 0.7 ppb (1) N/A 16.0 ppb (16) N/A N/A 16.0 ppb (15) N/A 49.0 μg/m3 (46) 9.2 μg/m3 (39) 46.0
 
Jan. 13, 2022, 1 a.m. 27.2 ppb (26) 1.6 ppb (2) N/A 25.0 ppb (24) N/A N/A 7.0 ppb (7) N/A 66.0 μg/m3 (57) 12.1 μg/m3 (51) 57.0
 
Jan. 13, 2022, midnight 30.1 ppb (29) 2.6 ppb (3) N/A 27.0 ppb (26) N/A N/A 11.0 ppb (11) N/A 45.0 μg/m3 (42) 13.2 μg/m3 (54) 54.0
 
Jan. 12, 2022, 11 p.m. 20.3 ppb (20) 2.7 ppb (3) N/A 17.0 ppb (17) N/A N/A 23.0 ppb (22) N/A 39.0 μg/m3 (37) 11.3 μg/m3 (48) 48.0
 
Jan. 12, 2022, 10 p.m. 17.0 ppb (17) 3.7 ppb (4) N/A 13.0 ppb (13) N/A N/A 30.0 ppb (28) N/A 32.0 μg/m3 (30) 9.9 μg/m3 (42) 42.0
 
Jan. 12, 2022, 9 p.m. 14.0 ppb (14) 3.7 ppb (4) N/A 10.0 ppb (10) N/A N/A 33.0 ppb (31) N/A 32.0 μg/m3 (30) 9.3 μg/m3 (39) 39.0
 
Jan. 12, 2022, 8 p.m. 17.1 ppb (17) 5.5 ppb (6) N/A 11.0 ppb (11) N/A N/A 30.0 ppb (28) N/A 38.0 μg/m3 (36) 10.2 μg/m3 (43) 43.0
 
Jan. 12, 2022, 7 p.m. 17.5 ppb (17) 6.0 ppb (6) N/A 11.0 ppb (11) N/A N/A 29.0 ppb (27) N/A 32.0 μg/m3 (30) 10.2 μg/m3 (43) 43.0
 
Jan. 12, 2022, 6 p.m. 16.0 ppb (16) 5.2 ppb (5) N/A 11.0 ppb (11) N/A N/A 30.0 ppb (28) N/A 27.0 μg/m3 (25) 10.5 μg/m3 (44) 44.0
 
Jan. 12, 2022, 5 p.m. 27.7 ppb (27) 11.2 ppb (11) N/A 16.0 ppb (16) N/A N/A 22.0 ppb (21) N/A 18.0 μg/m3 (17) 13.6 μg/m3 (55) 55.0
 
Jan. 12, 2022, 4 p.m. 27.9 ppb (27) 8.4 ppb (8) N/A 19.0 ppb (18) N/A N/A 19.0 ppb (18) N/A 39.0 μg/m3 (37) 13.0 μg/m3 (53) 53.0
 
Jan. 12, 2022, 3 p.m. 45.5 ppb (43) 15.6 ppb (15) N/A 30.0 ppb (29) N/A N/A 8.0 ppb (8) N/A 33.0 μg/m3 (31) 14.4 μg/m3 (56) 56.0
 
Jan. 12, 2022, 2 p.m. 39.8 ppb (38) 8.0 ppb (8) N/A 32.0 ppb (31) N/A N/A 5.0 ppb (5) N/A 20.0 μg/m3 (19) 10.7 μg/m3 (45) 45.0
 
Jan. 12, 2022, 1 p.m. 27.6 ppb (27) 1.9 ppb (2) N/A 25.0 ppb (24) N/A N/A 7.0 ppb (7) N/A 13.0 μg/m3 (13) 9.1 μg/m3 (38) 38.0
 
Jan. 12, 2022, noon 19.7 ppb (19) 0.7 ppb (1) N/A 19.0 ppb (18) N/A N/A 13.0 ppb (13) N/A 18.0 μg/m3 (17) 7.5 μg/m3 (32) 32.0
 
Jan. 12, 2022, 11 a.m. 15.3 ppb (15) 0.5 ppb (1) N/A 15.0 ppb (15) N/A N/A 20.0 ppb (19) N/A 8.0 μg/m3 (8) 10.6 μg/m3 (45) 45.0
 
Jan. 12, 2022, 10 a.m. 15.4 ppb (15) 0.5 ppb (1) N/A 15.0 ppb (15) N/A N/A 20.0 ppb (19) N/A 24.0 μg/m3 (23) 9.7 μg/m3 (41) 41.0
 
Jan. 12, 2022, 9 a.m. 19.6 ppb (19) 0.5 ppb (1) N/A 19.0 ppb (18) N/A N/A 15.0 ppb (14) N/A 15.0 μg/m3 (14) 14.0 μg/m3 (55) 55.0
 
Jan. 12, 2022, 8 a.m. 13.8 ppb (14) 0.5 ppb (1) N/A 13.0 ppb (13) N/A N/A 21.0 ppb (20) N/A 10.0 μg/m3 (10) 12.1 μg/m3 (51) 51.0
 
Jan. 12, 2022, 7 a.m. 14.3 ppb (14) 0.4 ppb (1) N/A 14.0 ppb (14) N/A N/A 19.0 ppb (18) N/A 18.0 μg/m3 (17) 12.8 μg/m3 (53) 53.0