ID: 9724

AQSQID: 113490353014

Site Name: Lake Park

Added: June 22, 2021, 5:40 a.m.

Updated: Oct. 22, 2021, 4:07 p.m.

Location: W Valley (Corporate Park Dr), UT

Reporting: True, Located: True

Current AQI: 45.0

W Valley (Corporate Park Dr) UT, US: 40.709867, -112.008664

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Oct. 22, 2021, 2 p.m. 47.0 ppb (45) 23.2 ppb (22) N/A 24.0 ppb (23) N/A N/A 6.0 ppb (6) N/A N/A 6.9 μg/m3 (29) 45.0
 
Oct. 22, 2021, 1 p.m. 28.0 ppb (27) 7.8 ppb (8) N/A 20.0 ppb (19) N/A N/A 12.0 ppb (12) N/A N/A 5.4 μg/m3 (23) 27.0
 
Oct. 22, 2021, noon 21.7 ppb (21) 1.3 ppb (2) N/A 20.0 ppb (19) N/A N/A 12.0 ppb (12) N/A N/A 6.2 μg/m3 (26) 26.0
 
Oct. 22, 2021, 11 a.m. 24.4 ppb (24) 1.9 ppb (2) N/A 23.0 ppb (22) N/A N/A 6.0 ppb (6) N/A N/A 7.7 μg/m3 (33) 33.0
 
Oct. 22, 2021, 10 a.m. 20.7 ppb (20) 1.2 ppb (2) N/A 20.0 ppb (19) N/A N/A 9.0 ppb (9) N/A N/A 7.4 μg/m3 (31) 31.0
 
Oct. 22, 2021, 9 a.m. 13.2 ppb (13) 0.3 ppb (1) N/A 13.0 ppb (13) N/A N/A 18.0 ppb (17) N/A N/A 6.2 μg/m3 (26) 26.0
 
Oct. 22, 2021, 8 a.m. 23.2 ppb (22) 1.4 ppb (2) N/A 22.0 ppb (21) N/A N/A 3.0 ppb (3) N/A N/A 9.8 μg/m3 (41) 41.0
 
Oct. 22, 2021, 7 a.m. 18.9 ppb (18) 0.4 ppb (1) N/A 19.0 ppb (18) N/A N/A 13.0 ppb (13) N/A N/A 8.6 μg/m3 (36) 36.0
 
Oct. 22, 2021, 6 a.m. 30.6 ppb (29) 3.9 ppb (4) N/A 27.0 ppb (26) N/A N/A 6.0 ppb (6) N/A N/A 9.7 μg/m3 (41) 41.0
 
Oct. 22, 2021, 5 a.m. 34.6 ppb (33) 5.1 ppb (5) N/A 30.0 ppb (29) N/A N/A 3.0 ppb (3) N/A N/A 11.8 μg/m3 (50) 50.0
 
Oct. 22, 2021, 4 a.m. 38.4 ppb (37) 4.3 ppb (5) N/A 34.0 ppb (33) N/A N/A 3.0 ppb (3) N/A N/A 13.9 μg/m3 (55) 55.0
 
Oct. 22, 2021, 3 a.m. 37.6 ppb (36) 3.5 ppb (4) N/A 34.0 ppb (33) N/A N/A 3.0 ppb (3) N/A N/A 13.9 μg/m3 (55) 55.0
 
Oct. 22, 2021, 2 a.m. 25.7 ppb (25) 1.6 ppb (2) N/A 24.0 ppb (23) N/A N/A 11.0 ppb (11) N/A N/A 10.7 μg/m3 (45) 45.0
 
Oct. 22, 2021, 1 a.m. 19.3 ppb (19) 0.3 ppb (1) N/A 19.0 ppb (18) N/A N/A 22.0 ppb (21) N/A N/A 10.7 μg/m3 (45) 45.0
 
Oct. 22, 2021, midnight 10.3 ppb (10) 0.2 ppb (1) N/A 10.0 ppb (10) N/A N/A 36.0 ppb (34) N/A N/A 10.3 μg/m3 (43) 43.0
 
Oct. 21, 2021, 11 p.m. 8.0 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (7) N/A N/A 40.0 ppb (38) N/A N/A 11.1 μg/m3 (47) 47.0
 
Oct. 21, 2021, 10 p.m. 10.4 ppb (10) 2.2 ppb (3) N/A 8.0 ppb (8) N/A N/A 38.0 ppb (36) N/A N/A 13.7 μg/m3 (55) 55.0
 
Oct. 21, 2021, 9 p.m. 13.4 ppb (13) 4.0 ppb (4) N/A 9.0 ppb (9) N/A N/A 34.0 ppb (32) N/A N/A 15.6 μg/m3 (59) 59.0
 
Oct. 21, 2021, 8 p.m. 4.0 ppb (4) 1.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (42) N/A N/A 5.7 μg/m3 (24) 42.0
 
Oct. 21, 2021, 7 p.m. 7.1 ppb (7) 2.2 ppb (3) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (38) N/A N/A 5.8 μg/m3 (25) 38.0
 
Oct. 21, 2021, 6 p.m. 10.1 ppb (10) 3.5 ppb (4) N/A 7.0 ppb (7) N/A N/A 34.0 ppb (32) N/A N/A 7.2 μg/m3 (31) 32.0
 
Oct. 21, 2021, 5 p.m. 16.2 ppb (16) 6.4 ppb (7) N/A 10.0 ppb (10) N/A N/A 27.0 ppb (25) N/A N/A 11.1 μg/m3 (47) 47.0
 
Oct. 21, 2021, 4 p.m. 24.2 ppb (23) 10.9 ppb (11) N/A 13.0 ppb (13) N/A N/A 19.0 ppb (18) N/A N/A 12.2 μg/m3 (52) 52.0
 
Oct. 21, 2021, 3 p.m. 31.7 ppb (30) 16.2 ppb (16) N/A 15.0 ppb (15) N/A N/A 17.0 ppb (16) N/A N/A 10.8 μg/m3 (46) 46.0
 
Oct. 21, 2021, 2 p.m. 46.0 ppb (44) 23.1 ppb (22) N/A 23.0 ppb (22) N/A N/A 10.0 ppb (10) N/A N/A 7.8 μg/m3 (33) 44.0
 
Oct. 21, 2021, 1 p.m. 35.8 ppb (34) 10.0 ppb (10) N/A 26.0 ppb (25) N/A N/A 3.0 ppb (3) N/A N/A 7.0 μg/m3 (30) 34.0
 
Oct. 21, 2021, noon 24.0 ppb (23) 2.7 ppb (3) N/A 21.0 ppb (20) N/A N/A 8.0 ppb (8) N/A N/A 6.3 μg/m3 (27) 27.0
 
Oct. 21, 2021, 11 a.m. 11.3 ppb (11) 0.6 ppb (1) N/A 11.0 ppb (11) N/A N/A 20.0 ppb (19) N/A N/A 5.8 μg/m3 (25) 25.0
 
Oct. 21, 2021, 10 a.m. 5.6 ppb (6) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (27) N/A N/A 5.3 μg/m3 (23) 27.0
 
Oct. 21, 2021, 9 a.m. 6.7 ppb (7) 0.1 ppb (1) N/A 7.0 ppb (7) N/A N/A 25.0 ppb (24) N/A N/A 5.8 μg/m3 (25) 25.0
 
Oct. 21, 2021, 8 a.m. 7.2 ppb (7) 0.2 ppb (1) N/A 7.0 ppb (7) N/A N/A 24.0 ppb (23) N/A N/A 5.7 μg/m3 (24) 24.0
 
Oct. 21, 2021, 7 a.m. 24.4 ppb (24) 1.5 ppb (2) N/A 23.0 ppb (22) N/A N/A 6.0 ppb (6) N/A N/A 8.1 μg/m3 (34) 34.0
 
Oct. 21, 2021, 6 a.m. 21.7 ppb (21) 0.9 ppb (1) N/A 21.0 ppb (20) N/A N/A 10.0 ppb (10) N/A N/A 8.9 μg/m3 (38) 38.0
 
Oct. 21, 2021, 5 a.m. 22.2 ppb (21) 1.1 ppb (2) N/A 21.0 ppb (20) N/A N/A 11.0 ppb (11) N/A N/A 10.7 μg/m3 (45) 45.0
 
Oct. 21, 2021, 4 a.m. 39.8 ppb (38) 12.7 ppb (12) N/A 27.0 ppb (26) N/A N/A 1.0 ppb (1) N/A N/A 15.5 μg/m3 (59) 59.0
 
Oct. 21, 2021, 3 a.m. 39.3 ppb (38) 10.2 ppb (10) N/A 29.0 ppb (28) N/A N/A 1.0 ppb (1) N/A N/A 11.8 μg/m3 (50) 50.0
 
Oct. 21, 2021, 2 a.m. 29.7 ppb (29) 2.9 ppb (3) N/A 27.0 ppb (26) N/A N/A 7.0 ppb (7) N/A N/A 12.4 μg/m3 (52) 52.0
 
Oct. 21, 2021, 1 a.m. 16.5 ppb (16) 0.5 ppb (1) N/A 16.0 ppb (16) N/A N/A 22.0 ppb (21) N/A N/A 10.6 μg/m3 (45) 45.0
 
Oct. 21, 2021, midnight 13.6 ppb (13) 0.6 ppb (1) N/A 13.0 ppb (13) N/A N/A 25.0 ppb (24) N/A N/A 7.7 μg/m3 (33) 33.0
 
Oct. 20, 2021, 11 p.m. 8.6 ppb (9) 0.9 ppb (1) N/A 8.0 ppb (8) N/A N/A 34.0 ppb (32) N/A N/A 5.8 μg/m3 (25) 32.0
 
Oct. 20, 2021, 10 p.m. 5.5 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (37) N/A N/A 5.6 μg/m3 (24) 37.0
 
Oct. 20, 2021, 9 p.m. 4.8 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (38) N/A N/A 5.6 μg/m3 (24) 38.0
 
Oct. 20, 2021, 8 p.m. 2.5 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) N/A N/A 4.1 μg/m3 (18) 40.0
 
Oct. 20, 2021, 7 p.m. 3.3 ppb (4) 1.3 ppb (2) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) N/A N/A 4.1 μg/m3 (18) 39.0
 
Oct. 20, 2021, 6 p.m. 3.2 ppb (4) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) N/A N/A 4.2 μg/m3 (18) 37.0
 
Oct. 20, 2021, 5 p.m. 4.5 ppb (5) 1.4 ppb (2) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) N/A N/A 4.1 μg/m3 (18) 34.0
 
Oct. 20, 2021, 4 p.m. 9.2 ppb (9) 2.8 ppb (3) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (28) N/A N/A 4.7 μg/m3 (20) 28.0
 
Oct. 20, 2021, 3 p.m. 9.7 ppb (10) 2.3 ppb (3) N/A 7.0 ppb (7) N/A N/A 28.0 ppb (26) N/A N/A 4.6 μg/m3 (20) 26.0
 
Oct. 20, 2021, 2 p.m. 26.7 ppb (26) 6.6 ppb (7) N/A 20.0 ppb (19) N/A N/A 14.0 ppb (13) N/A N/A 5.7 μg/m3 (24) 26.0
 
Oct. 20, 2021, 1 p.m. 17.4 ppb (17) 2.6 ppb (3) N/A 15.0 ppb (15) N/A N/A 17.0 ppb (16) N/A N/A 5.2 μg/m3 (22) 22.0
 
Oct. 20, 2021, noon 7.6 ppb (8) 0.5 ppb (1) N/A 7.0 ppb (7) N/A N/A 27.0 ppb (25) N/A N/A 4.2 μg/m3 (18) 25.0
 
Oct. 20, 2021, 11 a.m. 7.0 ppb (7) 0.4 ppb (1) N/A 7.0 ppb (7) N/A N/A 26.0 ppb (25) N/A N/A 4.6 μg/m3 (20) 25.0
 
Oct. 20, 2021, 10 a.m. 8.3 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (8) N/A N/A 25.0 ppb (24) N/A N/A 5.0 μg/m3 (21) 24.0
 
Oct. 20, 2021, 9 a.m. 16.6 ppb (16) 0.7 ppb (1) N/A 16.0 ppb (16) N/A N/A 13.0 ppb (13) N/A N/A 6.6 μg/m3 (28) 28.0
 
Oct. 20, 2021, 8 a.m. 13.1 ppb (13) 0.4 ppb (1) N/A 13.0 ppb (13) N/A N/A 17.0 ppb (16) N/A N/A 6.6 μg/m3 (28) 28.0
 
Oct. 20, 2021, 7 a.m. 8.1 ppb (8) 0.5 ppb (1) N/A 8.0 ppb (8) N/A N/A 23.0 ppb (22) N/A N/A 5.6 μg/m3 (24) 24.0
 
Oct. 20, 2021, 6 a.m. 11.1 ppb (11) 0.4 ppb (1) N/A 11.0 ppb (11) N/A N/A 20.0 ppb (19) N/A N/A 6.5 μg/m3 (28) 28.0
 
Oct. 20, 2021, 5 a.m. 14.6 ppb (14) 0.6 ppb (1) N/A 14.0 ppb (14) N/A N/A 16.0 ppb (15) N/A N/A 6.9 μg/m3 (29) 29.0
 
Oct. 20, 2021, 4 a.m. 10.0 ppb (10) 0.4 ppb (1) N/A 10.0 ppb (10) N/A N/A 22.0 ppb (21) N/A N/A 5.9 μg/m3 (25) 25.0
 
Oct. 20, 2021, 3 a.m. 8.6 ppb (9) 0.4 ppb (1) N/A 8.0 ppb (8) N/A N/A 25.0 ppb (24) N/A N/A 5.3 μg/m3 (23) 24.0
 
Oct. 20, 2021, 2 a.m. 11.1 ppb (11) 0.7 ppb (1) N/A 10.0 ppb (10) N/A N/A 22.0 ppb (21) N/A N/A 5.7 μg/m3 (24) 24.0
 
Oct. 20, 2021, 1 a.m. 8.1 ppb (8) 0.4 ppb (1) N/A 8.0 ppb (8) N/A N/A 24.0 ppb (23) N/A N/A 5.1 μg/m3 (22) 23.0
 
Oct. 20, 2021, midnight 6.4 ppb (7) 0.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (26) N/A N/A 4.4 μg/m3 (19) 26.0
 
Oct. 19, 2021, 11 p.m. 4.0 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (29) N/A N/A 3.8 μg/m3 (16) 29.0
 
Oct. 19, 2021, 10 p.m. 4.4 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (29) N/A N/A 3.7 μg/m3 (16) 29.0
 
Oct. 19, 2021, 9 p.m. 6.9 ppb (7) 2.4 ppb (3) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (29) N/A N/A 3.5 μg/m3 (15) 29.0
 
Oct. 19, 2021, 8 p.m. 5.3 ppb (5) 1.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (29) N/A N/A 3.1 μg/m3 (13) 29.0
 
Oct. 19, 2021, 7 p.m. 6.0 ppb (6) 1.2 ppb (2) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (28) N/A N/A 2.5 μg/m3 (11) 28.0
 
Oct. 19, 2021, 6 p.m. 7.1 ppb (7) 1.2 ppb (2) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (27) N/A N/A 1.7 μg/m3 (8) 27.0
 
Oct. 19, 2021, 5 p.m. 6.8 ppb (7) 1.2 ppb (2) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (27) N/A N/A 1.7 μg/m3 (8) 27.0
 
Oct. 19, 2021, 4 p.m. 6.0 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (28) N/A N/A 1.3 μg/m3 (6) 28.0
 
Oct. 19, 2021, 3 p.m. 7.7 ppb (8) 0.7 ppb (1) N/A 7.0 ppb (7) N/A N/A 29.0 ppb (27) N/A N/A 1.4 μg/m3 (6) 27.0
 
Oct. 19, 2021, 2 p.m. 8.4 ppb (8) 0.4 ppb (1) N/A 8.0 ppb (8) N/A N/A 28.0 ppb (26) N/A N/A 1.9 μg/m3 (8) 26.0
 
Oct. 19, 2021, 1 p.m. 6.1 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (30) N/A N/A 1.8 μg/m3 (8) 30.0
 
Oct. 19, 2021, noon 4.7 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (33) N/A N/A 1.4 μg/m3 (6) 33.0
 
Oct. 19, 2021, 11 a.m. 2.4 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (38) N/A N/A 1.1 μg/m3 (5) 38.0
 
Oct. 19, 2021, 10 a.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) N/A N/A 1.5 μg/m3 (7) 39.0
 
Oct. 19, 2021, 9 a.m. 1.4 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (42) N/A N/A 1.5 μg/m3 (7) 42.0
 
Oct. 19, 2021, 8 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) N/A N/A 2.9 μg/m3 (13) 38.0
 
Oct. 19, 2021, 7 a.m. 8.7 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (9) N/A N/A 26.0 ppb (25) N/A N/A 5.6 μg/m3 (24) 25.0
 
Oct. 19, 2021, 6 a.m. 9.1 ppb (9) 0.1 ppb (1) N/A 9.0 ppb (9) N/A N/A 26.0 ppb (25) N/A N/A 6.4 μg/m3 (27) 27.0
 
Oct. 19, 2021, 5 a.m. 9.9 ppb (10) 0.0 ppb (0) N/A 10.0 ppb (10) N/A N/A 27.0 ppb (25) N/A N/A 6.1 μg/m3 (26) 26.0
 
Oct. 19, 2021, 4 a.m. 11.9 ppb (12) 0.1 ppb (1) N/A 12.0 ppb (12) N/A N/A 27.0 ppb (25) N/A N/A 5.9 μg/m3 (25) 25.0
 
Oct. 19, 2021, 3 a.m. 9.4 ppb (9) 0.2 ppb (1) N/A 9.0 ppb (9) N/A N/A 33.0 ppb (31) N/A N/A 5.0 μg/m3 (21) 31.0
 
Oct. 19, 2021, 2 a.m. 5.4 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (37) N/A N/A 4.2 μg/m3 (18) 37.0
 
Oct. 19, 2021, 1 a.m. 3.8 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (39) N/A N/A 3.7 μg/m3 (16) 39.0
 
Oct. 19, 2021, midnight 8.1 ppb (8) 0.4 ppb (1) N/A 8.0 ppb (8) N/A N/A 38.0 ppb (36) N/A N/A 4.3 μg/m3 (18) 36.0
 
Oct. 18, 2021, 11 p.m. 7.7 ppb (8) 0.4 ppb (1) N/A 7.0 ppb (7) N/A N/A 38.0 ppb (36) N/A N/A 4.7 μg/m3 (20) 36.0
 
Oct. 18, 2021, 10 p.m. 3.8 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 43.0 ppb (40) N/A N/A 3.5 μg/m3 (15) 40.0
 
Oct. 18, 2021, 9 p.m. 4.2 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (41) N/A N/A 4.5 μg/m3 (19) 41.0
 
Oct. 18, 2021, 8 p.m. 5.4 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 42.0 ppb (39) N/A N/A 4.2 μg/m3 (18) 39.0
 
Oct. 18, 2021, 7 p.m. 6.9 ppb (7) 1.8 ppb (2) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (37) N/A N/A 4.8 μg/m3 (20) 37.0
 
Oct. 18, 2021, 6 p.m. 9.7 ppb (10) 2.3 ppb (3) N/A 7.0 ppb (7) N/A N/A 33.0 ppb (31) N/A N/A 5.1 μg/m3 (22) 31.0
 
Oct. 18, 2021, 5 p.m. 10.1 ppb (10) 1.8 ppb (2) N/A 8.0 ppb (8) N/A N/A 30.0 ppb (28) N/A N/A 5.1 μg/m3 (22) 28.0
 
Oct. 18, 2021, 4 p.m. 11.4 ppb (11) 2.2 ppb (3) N/A 9.0 ppb (9) N/A N/A 27.0 ppb (25) N/A N/A 5.2 μg/m3 (22) 25.0
 
Oct. 18, 2021, 3 p.m. 10.9 ppb (11) 1.5 ppb (2) N/A 10.0 ppb (10) N/A N/A 26.0 ppb (25) N/A N/A 4.9 μg/m3 (21) 25.0
 
Oct. 18, 2021, 2 p.m. 11.8 ppb (12) 1.0 ppb (1) N/A 11.0 ppb (11) N/A N/A 24.0 ppb (23) N/A N/A 4.8 μg/m3 (20) 23.0
 
Oct. 18, 2021, 1 p.m. 12.2 ppb (12) 1.0 ppb (1) N/A 11.0 ppb (11) N/A N/A 27.0 ppb (25) N/A N/A 4.5 μg/m3 (19) 25.0
 
Oct. 18, 2021, noon 6.5 ppb (7) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (30) N/A N/A 4.3 μg/m3 (18) 30.0
 
Oct. 18, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 4.2 μg/m3 (18) 32.0
 
Oct. 18, 2021, 10 a.m. 3.2 ppb (4) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) N/A N/A 4.2 μg/m3 (18) 32.0
 
Oct. 18, 2021, 9 a.m. 3.0 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) N/A N/A 4.4 μg/m3 (19) 34.0
 
Oct. 18, 2021, 8 a.m. 2.5 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (36) N/A N/A 4.4 μg/m3 (19) 36.0
 
Oct. 18, 2021, 7 a.m. 3.2 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) N/A N/A 4.2 μg/m3 (18) 35.0
 
Oct. 18, 2021, 6 a.m. 3.3 ppb (4) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) N/A N/A 4.2 μg/m3 (18) 34.0
 
Oct. 18, 2021, 5 a.m. 2.8 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (36) N/A N/A 4.2 μg/m3 (18) 36.0
 
Oct. 18, 2021, 4 a.m. 6.0 ppb (6) 1.6 ppb (2) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (36) N/A N/A 4.3 μg/m3 (18) 36.0
 
Oct. 18, 2021, 3 a.m. 12.8 ppb (13) 1.6 ppb (2) N/A 11.0 ppb (11) N/A N/A 31.0 ppb (29) N/A N/A 5.8 μg/m3 (25) 29.0
 
Oct. 18, 2021, 2 a.m. 15.6 ppb (15) 0.2 ppb (1) N/A 15.0 ppb (15) N/A N/A 26.0 ppb (25) N/A N/A 6.4 μg/m3 (27) 27.0
 
Oct. 18, 2021, 1 a.m. 9.9 ppb (10) 0.1 ppb (1) N/A 10.0 ppb (10) N/A N/A 35.0 ppb (33) N/A N/A 5.3 μg/m3 (23) 33.0
 
Oct. 18, 2021, midnight 5.9 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 42.0 ppb (39) N/A N/A 4.4 μg/m3 (19) 39.0
 
Oct. 17, 2021, 11 p.m. 2.2 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (45) N/A N/A 4.0 μg/m3 (17) 45.0
 
Oct. 17, 2021, 10 p.m. 1.8 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (46) N/A N/A 3.8 μg/m3 (16) 46.0
 
Oct. 17, 2021, 9 p.m. 1.9 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (45) N/A N/A 3.6 μg/m3 (16) 45.0
 
Oct. 17, 2021, 8 p.m. 2.9 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (43) N/A N/A 3.6 μg/m3 (16) 43.0
 
Oct. 17, 2021, 7 p.m. 3.2 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (42) N/A N/A 3.5 μg/m3 (15) 42.0
 
Oct. 17, 2021, 6 p.m. 3.1 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (41) N/A N/A 3.4 μg/m3 (15) 41.0
 
Oct. 17, 2021, 5 p.m. 3.5 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (38) N/A N/A 3.4 μg/m3 (15) 38.0
 
Oct. 17, 2021, 4 p.m. 3.5 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (36) N/A N/A 3.4 μg/m3 (15) 36.0
 
Oct. 17, 2021, 3 p.m. 6.2 ppb (6) 1.4 ppb (2) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (31) N/A N/A 5.4 μg/m3 (23) 31.0
 
Oct. 17, 2021, 2 p.m. 4.9 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (32) N/A N/A 5.3 μg/m3 (23) 32.0
 
Oct. 17, 2021, 1 p.m. 5.6 ppb (6) 0.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (31) N/A N/A 6.0 μg/m3 (25) 31.0
 
Oct. 17, 2021, noon 42.4 ppb (40) 16.0 ppb (16) N/A 27.0 ppb (26) N/A N/A 1.0 ppb (1) N/A N/A 17.6 μg/m3 (63) 63.0
 
Oct. 17, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 18.4 μg/m3 (65) 65.0
 
Oct. 17, 2021, 10 a.m. 37.9 ppb (36) 9.9 ppb (10) N/A 28.0 ppb (27) N/A N/A 1.0 ppb (1) N/A N/A 18.4 μg/m3 (65) 65.0
 
Oct. 17, 2021, 9 a.m. 37.1 ppb (35) 12.4 ppb (12) N/A 25.0 ppb (24) N/A N/A 4.0 ppb (4) N/A N/A 18.5 μg/m3 (65) 65.0
 
Oct. 17, 2021, 8 a.m. 45.2 ppb (43) 17.7 ppb (17) N/A 28.0 ppb (27) N/A N/A 1.0 ppb (1) N/A N/A 22.3 μg/m3 (73) 73.0
 
Oct. 17, 2021, 7 a.m. 44.3 ppb (42) 18.1 ppb (18) N/A 26.0 ppb (25) N/A N/A 1.0 ppb (1) N/A N/A 28.3 μg/m3 (86) 86.0
 
Oct. 17, 2021, 6 a.m. 55.2 ppb (53) 28.0 ppb (27) N/A 27.0 ppb (26) N/A N/A 2.0 ppb (2) N/A N/A 36.8 μg/m3 (105) 105.0
 
Oct. 17, 2021, 5 a.m. 68.0 ppb (66) 38.4 ppb (37) N/A 30.0 ppb (29) N/A N/A 2.0 ppb (2) N/A N/A 28.8 μg/m3 (87) 87.0
 
Oct. 17, 2021, 4 a.m. 64.5 ppb (63) 34.5 ppb (33) N/A 30.0 ppb (29) N/A N/A 1.0 ppb (1) N/A N/A 27.1 μg/m3 (83) 83.0
 
Oct. 17, 2021, 3 a.m. 52.5 ppb (50) 21.0 ppb (20) N/A 32.0 ppb (31) N/A N/A 2.0 ppb (2) N/A N/A 25.3 μg/m3 (79) 79.0
 
Oct. 17, 2021, 2 a.m. 25.7 ppb (25) 2.9 ppb (3) N/A 23.0 ppb (22) N/A N/A 10.0 ppb (10) N/A N/A 20.1 μg/m3 (68) 68.0
 
Oct. 17, 2021, 1 a.m. 22.5 ppb (22) 0.3 ppb (1) N/A 22.0 ppb (21) N/A N/A 17.0 ppb (16) N/A N/A 14.0 μg/m3 (55) 55.0
 
Oct. 17, 2021, midnight 11.0 ppb (11) 0.4 ppb (1) N/A 11.0 ppb (11) N/A N/A 35.0 ppb (33) N/A N/A 12.1 μg/m3 (51) 51.0
 
Oct. 16, 2021, 11 p.m. 7.8 ppb (8) 1.1 ppb (2) N/A 7.0 ppb (7) N/A N/A 40.0 ppb (38) N/A N/A 10.7 μg/m3 (45) 45.0
 
Oct. 16, 2021, 10 p.m. 10.5 ppb (10) 2.4 ppb (3) N/A 8.0 ppb (8) N/A N/A 41.0 ppb (38) N/A N/A 10.7 μg/m3 (45) 45.0
 
Oct. 16, 2021, 9 p.m. 16.2 ppb (16) 4.4 ppb (5) N/A 12.0 ppb (12) N/A N/A 39.0 ppb (37) N/A N/A 13.3 μg/m3 (54) 54.0
 
Oct. 16, 2021, 8 p.m. 17.9 ppb (17) 5.4 ppb (6) N/A 13.0 ppb (13) N/A N/A 38.0 ppb (36) N/A N/A 12.9 μg/m3 (53) 53.0
 
Oct. 16, 2021, 7 p.m. 14.7 ppb (14) 4.8 ppb (5) N/A 10.0 ppb (10) N/A N/A 37.0 ppb (35) N/A N/A 10.1 μg/m3 (43) 43.0
 
Oct. 16, 2021, 6 p.m. 12.7 ppb (12) 4.5 ppb (5) N/A 8.0 ppb (8) N/A N/A 34.0 ppb (32) N/A N/A 7.2 μg/m3 (31) 32.0
 
Oct. 16, 2021, 5 p.m. 12.0 ppb (12) 4.4 ppb (5) N/A 8.0 ppb (8) N/A N/A 33.0 ppb (31) N/A N/A 5.9 μg/m3 (25) 31.0
 
Oct. 16, 2021, 4 p.m. 40.3 ppb (39) 21.9 ppb (21) N/A 18.0 ppb (17) N/A N/A 19.0 ppb (18) N/A N/A 9.4 μg/m3 (40) 40.0
 
Oct. 16, 2021, 3 p.m. 50.0 ppb (48) 28.0 ppb (27) N/A 22.0 ppb (21) N/A N/A 10.0 ppb (10) N/A N/A 8.9 μg/m3 (38) 48.0
 
Oct. 16, 2021, 2 p.m. 56.2 ppb (54) 31.5 ppb (30) N/A 25.0 ppb (24) N/A N/A 4.0 ppb (4) N/A N/A 7.8 μg/m3 (33) 54.0
 
Oct. 16, 2021, 1 p.m. 42.3 ppb (40) 15.1 ppb (15) N/A 27.0 ppb (26) N/A N/A 1.0 ppb (1) N/A N/A 7.2 μg/m3 (31) 40.0
 
Oct. 16, 2021, noon 13.5 ppb (13) 0.8 ppb (1) N/A 13.0 ppb (13) N/A N/A 18.0 ppb (17) N/A N/A 4.7 μg/m3 (20) 20.0
 
Oct. 16, 2021, 11 a.m. 36.6 ppb (35) 13.3 ppb (13) N/A 23.0 ppb (22) N/A N/A N/A N/A N/A 7.1 μg/m3 (30) 35.0
 
Oct. 16, 2021, 10 a.m. 37.0 ppb (35) 11.9 ppb (12) N/A 25.0 ppb (24) N/A N/A 1.0 ppb (1) N/A N/A 7.4 μg/m3 (31) 35.0
 
Oct. 16, 2021, 9 a.m. 51.8 ppb (49) 26.9 ppb (26) N/A 25.0 ppb (24) N/A N/A 1.0 ppb (1) N/A N/A 10.4 μg/m3 (44) 49.0
 
Oct. 16, 2021, 8 a.m. 60.3 ppb (58) 36.3 ppb (35) N/A 24.0 ppb (23) N/A N/A 1.0 ppb (1) N/A N/A 12.0 μg/m3 (50) 58.0
 
Oct. 16, 2021, 7 a.m. 60.6 ppb (59) 34.1 ppb (33) N/A 27.0 ppb (26) N/A N/A 1.0 ppb (1) N/A N/A 13.1 μg/m3 (54) 59.0
 
Oct. 16, 2021, 6 a.m. 51.0 ppb (49) 22.8 ppb (22) N/A 28.0 ppb (27) N/A N/A 1.0 ppb (1) N/A N/A 15.7 μg/m3 (59) 59.0
 
Oct. 16, 2021, 5 a.m. 42.3 ppb (40) 13.0 ppb (13) N/A 29.0 ppb (28) N/A N/A 2.0 ppb (2) N/A N/A 13.9 μg/m3 (55) 55.0
 
Oct. 16, 2021, 4 a.m. 38.7 ppb (37) 9.9 ppb (10) N/A 29.0 ppb (28) N/A N/A 1.0 ppb (1) N/A N/A 12.2 μg/m3 (52) 52.0
 
Oct. 16, 2021, 3 a.m. 33.5 ppb (32) 5.6 ppb (6) N/A 28.0 ppb (27) N/A N/A 3.0 ppb (3) N/A N/A 12.7 μg/m3 (53) 53.0
 
Oct. 16, 2021, 2 a.m. 24.8 ppb (24) 1.3 ppb (2) N/A 24.0 ppb (23) N/A N/A 8.0 ppb (8) N/A N/A 6.5 μg/m3 (28) 28.0
 
Oct. 16, 2021, 1 a.m. 17.2 ppb (17) 0.2 ppb (1) N/A 17.0 ppb (17) N/A N/A 21.0 ppb (20) N/A N/A 8.2 μg/m3 (35) 35.0
 
Oct. 16, 2021, midnight 10.5 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (10) N/A N/A 33.0 ppb (31) N/A N/A 10.0 μg/m3 (42) 42.0
 
Oct. 15, 2021, 11 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (37) N/A N/A 5.4 μg/m3 (23) 37.0
 
Oct. 15, 2021, 10 p.m. 4.5 ppb (5) 1.2 ppb (2) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (38) N/A N/A 3.8 μg/m3 (16) 38.0
 
Oct. 15, 2021, 9 p.m. 3.7 ppb (4) 1.2 ppb (2) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (38) N/A N/A 3.1 μg/m3 (13) 38.0
 
Oct. 15, 2021, 8 p.m. 2.2 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) N/A N/A 2.5 μg/m3 (11) 39.0
 
Oct. 15, 2021, 7 p.m. 2.3 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) N/A N/A 3.0 μg/m3 (13) 38.0
 
Oct. 15, 2021, 6 p.m. 4.5 ppb (5) 1.7 ppb (2) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) N/A N/A 3.9 μg/m3 (17) 34.0
 
Oct. 15, 2021, 5 p.m. 4.6 ppb (5) 1.7 ppb (2) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) N/A N/A 3.8 μg/m3 (16) 31.0
 
Oct. 15, 2021, 4 p.m. 6.2 ppb (6) 2.3 ppb (3) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (28) N/A N/A 3.9 μg/m3 (17) 28.0
 
Oct. 15, 2021, 3 p.m. 14.8 ppb (14) 6.4 ppb (7) N/A 8.0 ppb (8) N/A N/A 23.0 ppb (22) N/A N/A 5.2 μg/m3 (22) 22.0