ID: 9724

AQSQID: 113490353014

Site Name: Lake Park

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

Updated: Aug. 1, 2021, 3:54 a.m.

Location: W Valley (Corporate Park Dr), UT

Reporting: True, Located: True

Current AQI: 78.0

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
Aug. 1, 2021, 2 a.m. 3.3 ppb (4) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 63.0 ppb (78) N/A N/A 5.1 μg/m3 (22) 78.0
 
Aug. 1, 2021, 1 a.m. 2.4 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 68.0 ppb (94) N/A N/A 4.6 μg/m3 (20) 94.0
 
Aug. 1, 2021, midnight 2.3 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 67.0 ppb (91) N/A N/A 3.8 μg/m3 (16) 91.0
 
July 31, 2021, 11 p.m. 2.2 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 70.0 ppb (100) N/A N/A 3.9 μg/m3 (17) 100.0
 
July 31, 2021, 10 p.m. 2.2 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 74.0 ppb (103) N/A N/A 4.5 μg/m3 (19) 103.0
 
July 31, 2021, 9 p.m. 2.0 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 74.0 ppb (103) N/A N/A 5.1 μg/m3 (22) 103.0
 
July 31, 2021, 8 p.m. 2.0 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 74.0 ppb (103) N/A N/A 5.9 μg/m3 (25) 103.0
 
July 31, 2021, 7 p.m. 2.2 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 72.0 ppb (102) N/A N/A 4.7 μg/m3 (20) 102.0
 
July 31, 2021, 6 p.m. 2.8 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 71.0 ppb (101) N/A N/A 4.9 μg/m3 (21) 101.0
 
July 31, 2021, 5 p.m. 3.1 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 67.0 ppb (91) N/A N/A 5.1 μg/m3 (22) 91.0
 
July 31, 2021, 4 p.m. 3.2 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 61.0 ppb (71) N/A N/A 5.0 μg/m3 (21) 71.0
 
July 31, 2021, 3 p.m. 4.2 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 51.0 ppb (48) N/A N/A 5.3 μg/m3 (23) 48.0
 
July 31, 2021, 2 p.m. 6.0 ppb (6) 1.1 ppb (2) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (37) N/A N/A 5.3 μg/m3 (23) 37.0
 
July 31, 2021, 1 p.m. 10.5 ppb (10) 1.2 ppb (2) N/A 9.0 ppb (9) N/A N/A 32.0 ppb (30) N/A N/A 5.4 μg/m3 (23) 30.0
 
July 31, 2021, noon 8.8 ppb (9) 0.2 ppb (1) N/A 9.0 ppb (9) N/A N/A 30.0 ppb (28) N/A N/A 5.7 μg/m3 (24) 28.0
 
July 31, 2021, 11 a.m. 8.8 ppb (9) 0.2 ppb (1) N/A 9.0 ppb (9) N/A N/A N/A N/A N/A 5.9 μg/m3 (25) 25.0
 
July 31, 2021, 10 a.m. 7.3 ppb (7) 0.2 ppb (1) N/A 7.0 ppb (7) N/A N/A 32.0 ppb (30) N/A N/A 5.4 μg/m3 (23) 30.0
 
July 31, 2021, 9 a.m. 7.9 ppb (8) 0.2 ppb (1) N/A 8.0 ppb (8) N/A N/A 36.0 ppb (34) N/A N/A 5.8 μg/m3 (25) 34.0
 
July 31, 2021, 8 a.m. 13.6 ppb (13) 0.3 ppb (1) N/A 13.0 ppb (13) N/A N/A 22.0 ppb (21) N/A N/A 7.7 μg/m3 (33) 33.0
 
July 31, 2021, 7 a.m. 12.4 ppb (12) 0.2 ppb (1) N/A 12.0 ppb (12) N/A N/A 28.0 ppb (26) N/A N/A 7.6 μg/m3 (32) 32.0
 
July 31, 2021, 6 a.m. 12.8 ppb (13) 0.1 ppb (1) N/A 13.0 ppb (13) N/A N/A 36.0 ppb (34) N/A N/A 6.5 μg/m3 (28) 34.0
 
July 31, 2021, 5 a.m. 13.2 ppb (13) 0.2 ppb (1) N/A 13.0 ppb (13) N/A N/A 40.0 ppb (38) N/A N/A 6.1 μg/m3 (26) 38.0
 
July 31, 2021, 4 a.m. 7.8 ppb (8) 0.1 ppb (1) N/A 8.0 ppb (8) N/A N/A 55.0 ppb (51) N/A N/A 4.6 μg/m3 (20) 51.0
 
July 31, 2021, 3 a.m. 5.4 ppb (6) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 64.0 ppb (81) N/A N/A 4.5 μg/m3 (19) 81.0
 
July 31, 2021, 2 a.m. 4.1 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 70.0 ppb (100) N/A N/A 4.4 μg/m3 (19) 100.0
 
July 31, 2021, 1 a.m. 3.7 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 78.0 ppb (105) N/A N/A 3.9 μg/m3 (17) 105.0
 
July 31, 2021, midnight 2.6 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 79.0 ppb (106) N/A N/A 3.6 μg/m3 (16) 106.0
 
July 30, 2021, 11 p.m. 3.5 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 79.0 ppb (106) N/A N/A 3.8 μg/m3 (16) 106.0
 
July 30, 2021, 10 p.m. 3.9 ppb (4) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 78.0 ppb (105) N/A N/A 4.0 μg/m3 (17) 105.0
 
July 30, 2021, 9 p.m. 5.0 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 75.0 ppb (104) N/A N/A 4.1 μg/m3 (18) 104.0
 
July 30, 2021, 8 p.m. 3.7 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 73.0 ppb (103) N/A N/A 3.7 μg/m3 (16) 103.0
 
July 30, 2021, 7 p.m. 3.6 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 69.0 ppb (97) N/A N/A 3.9 μg/m3 (17) 97.0
 
July 30, 2021, 6 p.m. 3.6 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 67.0 ppb (91) N/A N/A 4.0 μg/m3 (17) 91.0
 
July 30, 2021, 5 p.m. 3.7 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 67.0 ppb (91) N/A N/A 3.8 μg/m3 (16) 91.0
 
July 30, 2021, 4 p.m. 4.6 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 62.0 ppb (74) N/A N/A 3.6 μg/m3 (16) 74.0
 
July 30, 2021, 3 p.m. 4.9 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 60.0 ppb (68) N/A N/A 3.7 μg/m3 (16) 68.0
 
July 30, 2021, 2 p.m. 8.7 ppb (9) 1.1 ppb (2) N/A 8.0 ppb (8) N/A N/A 49.0 ppb (46) N/A N/A 4.5 μg/m3 (19) 46.0
 
July 30, 2021, 1 p.m. 8.4 ppb (8) 0.4 ppb (1) N/A 8.0 ppb (8) N/A N/A 45.0 ppb (42) N/A N/A 5.2 μg/m3 (22) 42.0
 
July 30, 2021, noon 4.3 ppb (5) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 55.0 ppb (51) N/A N/A 4.1 μg/m3 (18) 51.0
 
July 30, 2021, 11 a.m. 2.6 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 61.0 ppb (71) N/A N/A 4.0 μg/m3 (17) 71.0
 
July 30, 2021, 10 a.m. 1.5 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 72.0 ppb (102) N/A N/A 2.8 μg/m3 (12) 102.0
 
July 30, 2021, 9 a.m. 1.3 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 73.0 ppb (103) N/A N/A 3.2 μg/m3 (14) 103.0
 
July 30, 2021, 8 a.m. 1.4 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 63.0 ppb (78) N/A N/A 12.0 μg/m3 (50) 78.0
 
July 30, 2021, 7 a.m. 11.4 ppb (11) 0.1 ppb (1) N/A 11.0 ppb (11) N/A N/A 33.0 ppb (31) N/A N/A 8.3 μg/m3 (35) 35.0
 
July 30, 2021, 6 a.m. 12.3 ppb (12) 0.1 ppb (1) N/A 12.0 ppb (12) N/A N/A 31.0 ppb (29) N/A N/A 8.7 μg/m3 (37) 37.0
 
July 30, 2021, 5 a.m. 8.0 ppb (8) 0.1 ppb (1) N/A 8.0 ppb (8) N/A N/A 39.0 ppb (37) N/A N/A 7.0 μg/m3 (30) 37.0
 
July 30, 2021, 4 a.m. 9.4 ppb (9) 0.1 ppb (1) N/A 9.0 ppb (9) N/A N/A 43.0 ppb (40) N/A N/A 7.4 μg/m3 (31) 40.0
 
July 30, 2021, 3 a.m. 7.5 ppb (8) 0.1 ppb (1) N/A 8.0 ppb (8) N/A N/A 52.0 ppb (49) N/A N/A 6.6 μg/m3 (28) 49.0
 
July 30, 2021, 2 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 60.0 ppb (68) N/A N/A 5.9 μg/m3 (25) 68.0
 
July 30, 2021, 1 a.m. 2.8 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 64.0 ppb (81) N/A N/A 6.7 μg/m3 (28) 81.0
 
July 30, 2021, midnight 3.2 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 63.0 ppb (78) N/A N/A 7.1 μg/m3 (30) 78.0
 
July 29, 2021, 11 p.m. 2.6 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 64.0 ppb (81) N/A N/A 5.6 μg/m3 (24) 81.0
 
July 29, 2021, 10 p.m. 2.1 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 67.0 ppb (91) N/A N/A 6.4 μg/m3 (27) 91.0
 
July 29, 2021, 9 p.m. 2.1 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 67.0 ppb (91) N/A N/A 6.4 μg/m3 (27) 91.0
 
July 29, 2021, 8 p.m. 2.0 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 66.0 ppb (87) N/A N/A 6.2 μg/m3 (26) 87.0
 
July 29, 2021, 7 p.m. 2.7 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 69.0 ppb (97) N/A N/A 6.6 μg/m3 (28) 97.0
 
July 29, 2021, 6 p.m. 3.7 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 68.0 ppb (94) N/A N/A 7.6 μg/m3 (32) 94.0
 
July 29, 2021, 5 p.m. 6.5 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 62.0 ppb (74) N/A N/A 8.0 μg/m3 (34) 74.0
 
July 29, 2021, 4 p.m. 6.8 ppb (7) 1.4 ppb (2) N/A 5.0 ppb (5) N/A N/A 58.0 ppb (61) N/A N/A 6.6 μg/m3 (28) 61.0
 
July 29, 2021, 3 p.m. 15.0 ppb (15) 3.8 ppb (4) N/A 11.0 ppb (11) N/A N/A 44.0 ppb (41) N/A N/A 7.2 μg/m3 (31) 41.0
 
July 29, 2021, 2 p.m. 14.2 ppb (14) 2.5 ppb (3) N/A 12.0 ppb (12) N/A N/A 32.0 ppb (30) N/A N/A 6.8 μg/m3 (29) 30.0
 
July 29, 2021, 1 p.m. 8.5 ppb (9) 0.7 ppb (1) N/A 8.0 ppb (8) N/A N/A 34.0 ppb (32) N/A N/A 6.5 μg/m3 (28) 32.0
 
July 29, 2021, noon 14.4 ppb (14) 0.5 ppb (1) N/A 14.0 ppb (14) N/A N/A 25.0 ppb (24) N/A N/A 7.2 μg/m3 (31) 31.0
 
July 29, 2021, 11 a.m. 7.0 ppb (7) 0.2 ppb (1) N/A 7.0 ppb (7) N/A N/A 33.0 ppb (31) N/A N/A 6.4 μg/m3 (27) 31.0
 
July 29, 2021, 10 a.m. 4.4 ppb (5) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (37) N/A N/A 5.5 μg/m3 (23) 37.0
 
July 29, 2021, 9 a.m. 3.0 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 48.0 ppb (45) N/A N/A 4.7 μg/m3 (20) 45.0
 
July 29, 2021, 8 a.m. 3.1 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 47.0 ppb (44) N/A N/A 5.3 μg/m3 (23) 44.0
 
July 29, 2021, 7 a.m. 2.5 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (42) N/A N/A 6.1 μg/m3 (26) 42.0
 
July 29, 2021, 6 a.m. 3.6 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 45.0 ppb (42) N/A N/A 6.1 μg/m3 (26) 42.0
 
July 29, 2021, 5 a.m. 4.1 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 47.0 ppb (44) N/A N/A 7.6 μg/m3 (32) 44.0
 
July 29, 2021, 4 a.m. 4.1 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 49.0 ppb (46) N/A N/A 5.1 μg/m3 (22) 46.0
 
July 29, 2021, 3 a.m. 2.8 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 56.0 ppb (55) N/A N/A 4.7 μg/m3 (20) 55.0
 
July 29, 2021, 2 a.m. 3.4 ppb (4) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 56.0 ppb (55) N/A N/A 4.8 μg/m3 (20) 55.0
 
July 29, 2021, 1 a.m. 4.7 ppb (5) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 58.0 ppb (61) N/A N/A 4.4 μg/m3 (19) 61.0
 
July 29, 2021, midnight 4.4 ppb (5) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 63.0 ppb (78) N/A N/A 5.3 μg/m3 (23) 78.0
 
July 28, 2021, 11 p.m. 4.5 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 61.0 ppb (71) N/A N/A 6.3 μg/m3 (27) 71.0
 
July 28, 2021, 10 p.m. 2.3 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 63.0 ppb (78) N/A N/A 8.2 μg/m3 (35) 78.0
 
July 28, 2021, 9 p.m. 1.7 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 62.0 ppb (74) N/A N/A 6.8 μg/m3 (29) 74.0
 
July 28, 2021, 8 p.m. 1.6 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 6.2 μg/m3 (26) 26.0
 
July 28, 2021, 7 p.m. 2.0 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 6.2 μg/m3 (26) 26.0
 
July 28, 2021, 6 p.m. 2.0 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 6.1 μg/m3 (26) 26.0
 
July 28, 2021, 5 p.m. 3.2 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A 6.1 μg/m3 (26) 26.0
 
July 28, 2021, 4 p.m. 2.4 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 4.5 μg/m3 (19) 19.0
 
July 28, 2021, 3 p.m. 3.3 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 48.0 ppb (45) N/A N/A 4.4 μg/m3 (19) 45.0
 
July 28, 2021, 2 p.m. 7.5 ppb (8) 1.3 ppb (2) N/A 6.0 ppb (6) N/A N/A 39.0 ppb (37) N/A N/A 4.7 μg/m3 (20) 37.0
 
July 28, 2021, 1 p.m. 12.4 ppb (12) 1.7 ppb (2) N/A 11.0 ppb (11) N/A N/A 29.0 ppb (27) N/A N/A 5.2 μg/m3 (22) 27.0
 
July 28, 2021, noon 8.0 ppb (8) 0.3 ppb (1) N/A 8.0 ppb (8) N/A N/A 33.0 ppb (31) N/A N/A 5.1 μg/m3 (22) 31.0
 
July 28, 2021, 11 a.m. 5.2 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (35) N/A N/A 5.0 μg/m3 (21) 35.0
 
July 28, 2021, 10 a.m. 3.8 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (37) N/A N/A 6.5 μg/m3 (28) 37.0
 
July 28, 2021, 9 a.m. 3.0 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (39) N/A N/A 5.5 μg/m3 (23) 39.0
 
July 28, 2021, 8 a.m. 2.7 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (43) N/A N/A 4.5 μg/m3 (19) 43.0
 
July 28, 2021, 7 a.m. 2.7 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (43) N/A N/A 4.4 μg/m3 (19) 43.0
 
July 28, 2021, 6 a.m. 3.3 ppb (4) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (42) N/A N/A 4.8 μg/m3 (20) 42.0
 
July 28, 2021, 5 a.m. 3.0 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 47.0 ppb (44) N/A N/A 4.7 μg/m3 (20) 44.0
 
July 28, 2021, 4 a.m. 3.1 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 48.0 ppb (45) N/A N/A 4.7 μg/m3 (20) 45.0
 
July 28, 2021, 3 a.m. 3.4 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 52.0 ppb (49) N/A N/A 4.9 μg/m3 (21) 49.0
 
July 28, 2021, 2 a.m. 3.5 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 56.0 ppb (55) N/A N/A 5.0 μg/m3 (21) 55.0
 
July 28, 2021, 1 a.m. 3.1 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 58.0 ppb (61) N/A N/A 5.2 μg/m3 (22) 61.0
 
July 28, 2021, midnight 3.2 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 61.0 ppb (71) N/A N/A 5.6 μg/m3 (24) 71.0
 
July 27, 2021, 11 p.m. 3.2 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 62.0 ppb (74) N/A N/A 5.7 μg/m3 (24) 74.0
 
July 27, 2021, 10 p.m. 2.0 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 61.0 ppb (71) N/A N/A 5.2 μg/m3 (22) 71.0
 
July 27, 2021, 9 p.m. 2.3 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 60.0 ppb (68) N/A N/A 5.6 μg/m3 (24) 68.0
 
July 27, 2021, 8 p.m. 1.7 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 59.0 ppb (65) N/A N/A 5.0 μg/m3 (21) 65.0
 
July 27, 2021, 7 p.m. 1.9 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 58.0 ppb (61) N/A N/A 5.3 μg/m3 (23) 61.0
 
July 27, 2021, 6 p.m. 2.3 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 57.0 ppb (58) N/A N/A 5.4 μg/m3 (23) 58.0
 
July 27, 2021, 5 p.m. 3.0 ppb (3) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 55.0 ppb (51) N/A N/A 5.8 μg/m3 (25) 51.0
 
July 27, 2021, 4 p.m. 4.9 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 49.0 ppb (46) N/A N/A 7.3 μg/m3 (31) 46.0
 
July 27, 2021, 3 p.m. 7.0 ppb (7) 1.4 ppb (2) N/A 6.0 ppb (6) N/A N/A 40.0 ppb (38) N/A N/A 7.9 μg/m3 (33) 38.0
 
July 27, 2021, 2 p.m. 6.7 ppb (7) 0.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 39.0 ppb (37) N/A N/A 7.9 μg/m3 (33) 37.0
 
July 27, 2021, 1 p.m. 6.6 ppb (7) 0.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 39.0 ppb (37) N/A N/A 7.3 μg/m3 (31) 37.0
 
July 27, 2021, noon 4.5 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 46.0 ppb (43) N/A N/A 5.5 μg/m3 (23) 43.0
 
July 27, 2021, 11 a.m. 5.0 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 46.0 ppb (43) N/A N/A 5.6 μg/m3 (24) 43.0
 
July 27, 2021, 10 a.m. 5.2 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 45.0 ppb (42) N/A N/A 6.9 μg/m3 (29) 42.0
 
July 27, 2021, 9 a.m. 3.3 ppb (4) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 48.0 ppb (45) N/A N/A 7.8 μg/m3 (33) 45.0
 
July 27, 2021, 8 a.m. 2.6 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 50.0 ppb (47) N/A N/A 8.6 μg/m3 (36) 47.0
 
July 27, 2021, 7 a.m. 1.8 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (50) N/A N/A 8.9 μg/m3 (38) 50.0
 
July 27, 2021, 6 a.m. 1.8 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 56.0 ppb (55) N/A N/A 9.0 μg/m3 (38) 55.0
 
July 27, 2021, 5 a.m. 2.4 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 56.0 ppb (55) N/A N/A 10.0 μg/m3 (42) 55.0
 
July 27, 2021, 4 a.m. 2.6 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 60.0 ppb (68) N/A N/A 10.8 μg/m3 (46) 68.0
 
July 27, 2021, 3 a.m. 2.8 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 60.0 ppb (68) N/A N/A 12.8 μg/m3 (53) 68.0
 
July 27, 2021, 2 a.m. 3.1 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 62.0 ppb (74) N/A N/A 14.2 μg/m3 (56) 74.0
 
July 27, 2021, 1 a.m. 4.8 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 72.0 ppb (102) N/A N/A 21.1 μg/m3 (70) 102.0
 
July 27, 2021, midnight 4.0 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 79.0 ppb (106) N/A N/A 22.6 μg/m3 (74) 106.0
 
July 26, 2021, 11 p.m. 3.5 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 90.0 ppb (112) N/A N/A 30.9 μg/m3 (91) 112.0
 
July 26, 2021, 10 p.m. 3.2 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 96.0 ppb (115) N/A N/A 33.7 μg/m3 (97) 115.0
 
July 26, 2021, 9 p.m. 2.0 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 89.0 ppb (111) N/A N/A 30.3 μg/m3 (90) 111.0
 
July 26, 2021, 8 p.m. 1.8 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 84.0 ppb (108) N/A N/A 26.8 μg/m3 (82) 108.0
 
July 26, 2021, 7 p.m. 2.1 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 77.0 ppb (105) N/A N/A 19.6 μg/m3 (67) 105.0
 
July 26, 2021, 6 p.m. 3.7 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 75.0 ppb (104) N/A N/A 29.0 μg/m3 (87) 104.0
 
July 26, 2021, 5 p.m. 6.2 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 72.0 ppb (102) N/A N/A 34.9 μg/m3 (99) 102.0
 
July 26, 2021, 4 p.m. 7.1 ppb (7) 1.1 ppb (2) N/A 6.0 ppb (6) N/A N/A 61.0 ppb (71) N/A N/A 32.1 μg/m3 (94) 94.0
 
July 26, 2021, 3 p.m. 7.7 ppb (8) 1.1 ppb (2) N/A 7.0 ppb (7) N/A N/A 49.0 ppb (46) N/A N/A 29.8 μg/m3 (89) 89.0
 
July 26, 2021, 2 p.m. 13.2 ppb (13) 1.5 ppb (2) N/A 12.0 ppb (12) N/A N/A 40.0 ppb (38) N/A N/A 41.5 μg/m3 (116) 116.0
 
July 26, 2021, 1 p.m. 18.2 ppb (18) 1.3 ppb (2) N/A 17.0 ppb (17) N/A N/A 33.0 ppb (31) N/A N/A 47.1 μg/m3 (130) 130.0
 
July 26, 2021, noon 11.0 ppb (11) 0.2 ppb (1) N/A 11.0 ppb (11) N/A N/A 40.0 ppb (38) N/A N/A 47.4 μg/m3 (131) 131.0
 
July 26, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 42.9 μg/m3 (120) 120.0
 
July 26, 2021, 10 a.m. 16.0 ppb (16) 0.2 ppb (1) N/A 16.0 ppb (16) N/A N/A 25.0 ppb (24) N/A N/A 45.3 μg/m3 (126) 126.0
 
July 26, 2021, 9 a.m. 14.9 ppb (15) 0.2 ppb (1) N/A 15.0 ppb (15) N/A N/A 23.0 ppb (22) N/A N/A 48.9 μg/m3 (134) 134.0
 
July 26, 2021, 8 a.m. 15.9 ppb (15) 0.3 ppb (1) N/A 16.0 ppb (16) N/A N/A 22.0 ppb (21) N/A N/A 53.5 μg/m3 (146) 146.0
 
July 26, 2021, 7 a.m. 15.3 ppb (15) 0.2 ppb (1) N/A 15.0 ppb (15) N/A N/A 24.0 ppb (23) N/A N/A 49.1 μg/m3 (135) 135.0
 
July 26, 2021, 6 a.m. 17.7 ppb (17) 0.2 ppb (1) N/A 18.0 ppb (17) N/A N/A 24.0 ppb (23) N/A N/A 48.2 μg/m3 (133) 133.0
 
July 26, 2021, 5 a.m. 27.6 ppb (27) 0.3 ppb (1) N/A 28.0 ppb (27) N/A N/A 12.0 ppb (12) N/A N/A 49.8 μg/m3 (137) 137.0
 
July 26, 2021, 4 a.m. 22.2 ppb (21) 0.2 ppb (1) N/A 22.0 ppb (21) N/A N/A 20.0 ppb (19) N/A N/A 47.9 μg/m3 (132) 132.0
 
July 26, 2021, 3 a.m. 14.8 ppb (14) 0.1 ppb (1) N/A 15.0 ppb (15) N/A N/A 35.0 ppb (33) N/A N/A 42.1 μg/m3 (118) 118.0
 
July 26, 2021, 2 a.m. 8.6 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (9) N/A N/A 56.0 ppb (55) N/A N/A 35.3 μg/m3 (100) 100.0
 
July 26, 2021, 1 a.m. 3.4 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 65.0 ppb (84) N/A N/A 35.5 μg/m3 (101) 101.0
 
July 26, 2021, midnight 1.5 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 66.0 ppb (87) N/A N/A 29.2 μg/m3 (87) 87.0
 
July 25, 2021, 11 p.m. 1.5 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 66.0 ppb (87) N/A N/A 32.8 μg/m3 (95) 95.0
 
July 25, 2021, 10 p.m. 1.5 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 60.0 ppb (68) N/A N/A 26.5 μg/m3 (82) 82.0
 
July 25, 2021, 9 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 27.5 μg/m3 (84) 84.0
 
July 25, 2021, 8 p.m. 1.8 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 66.0 ppb (87) N/A N/A 49.5 μg/m3 (136) 136.0
 
July 25, 2021, 7 p.m. 2.6 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 73.0 ppb (103) N/A N/A 48.7 μg/m3 (134) 134.0
 
July 25, 2021, 6 p.m. 3.1 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 77.0 ppb (105) N/A N/A 33.3 μg/m3 (96) 105.0
 
July 25, 2021, 5 p.m. 2.7 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 70.0 ppb (100) N/A N/A 27.2 μg/m3 (83) 100.0
 
July 25, 2021, 4 p.m. 3.7 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 62.0 ppb (74) N/A N/A 28.1 μg/m3 (85) 85.0
 
July 25, 2021, 3 p.m. 8.7 ppb (9) 1.3 ppb (2) N/A 7.0 ppb (7) N/A N/A 47.0 ppb (44) N/A N/A 33.3 μg/m3 (96) 96.0
 
July 25, 2021, 2 p.m. 13.5 ppb (13) 2.0 ppb (2) N/A 12.0 ppb (12) N/A N/A 30.0 ppb (28) N/A N/A 33.5 μg/m3 (97) 97.0
 
July 25, 2021, 1 p.m. 15.3 ppb (15) 1.5 ppb (2) N/A 14.0 ppb (14) N/A N/A 20.0 ppb (19) N/A N/A 35.8 μg/m3 (102) 102.0
 
July 25, 2021, noon 16.7 ppb (16) 0.5 ppb (1) N/A 16.0 ppb (16) N/A N/A 14.0 ppb (13) N/A N/A 40.5 μg/m3 (114) 114.0
 
July 25, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 40.9 μg/m3 (115) 115.0
 
July 25, 2021, 10 a.m. 14.3 ppb (14) 0.2 ppb (1) N/A 14.0 ppb (14) N/A N/A 23.0 ppb (22) N/A N/A 41.2 μg/m3 (116) 116.0
 
July 25, 2021, 9 a.m. 17.3 ppb (17) 0.2 ppb (1) N/A 17.0 ppb (17) N/A N/A 20.0 ppb (19) N/A N/A 48.7 μg/m3 (134) 134.0
 
July 25, 2021, 8 a.m. 9.5 ppb (9) 0.1 ppb (1) N/A 9.0 ppb (9) N/A N/A 36.0 ppb (34) N/A N/A 39.9 μg/m3 (112) 112.0
 
July 25, 2021, 7 a.m. 21.6 ppb (21) 0.2 ppb (1) N/A 22.0 ppb (21) N/A N/A 19.0 ppb (18) N/A N/A 64.0 μg/m3 (156) 156.0
 
July 25, 2021, 6 a.m. 26.1 ppb (25) 0.3 ppb (1) N/A 26.0 ppb (25) N/A N/A 15.0 ppb (14) N/A N/A 99.3 μg/m3 (174) 174.0
 
July 25, 2021, 5 a.m. 27.8 ppb (27) 0.2 ppb (1) N/A 28.0 ppb (27) N/A N/A 20.0 ppb (19) N/A N/A 108.9 μg/m3 (179) 179.0
 
July 25, 2021, 4 a.m. 15.4 ppb (15) 0.2 ppb (1) N/A 15.0 ppb (15) N/A N/A 33.0 ppb (31) N/A N/A 49.8 μg/m3 (137) 137.0
 
July 25, 2021, 3 a.m. 9.9 ppb (10) 0.1 ppb (1) N/A 10.0 ppb (10) N/A N/A 48.0 ppb (45) N/A N/A 32.1 μg/m3 (94) 94.0