ID: 2157

AQSQID: 490130002

Site Name: Roosvelt

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

Updated: Aug. 3, 2021, 11:02 p.m.

Location: Roosevelt (W 200 S), UT

Reporting: True, Located: True

Current AQI: 71.0

Roosevelt (W 200 S) UT, US: 40.2943, -110.009

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Aug. 3, 2021, 9 p.m. 1.8 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 61.0 ppb (71) N/A N/A 6.6 μg/m3 (28) 71.0
 
Aug. 3, 2021, 8 p.m. 1.9 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 61.0 ppb (71) N/A N/A 8.1 μg/m3 (34) 71.0
 
Aug. 3, 2021, 7 p.m. 2.3 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 62.0 ppb (74) N/A N/A 8.8 μg/m3 (37) 74.0
 
Aug. 3, 2021, 6 p.m. 2.3 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 59.0 ppb (65) N/A N/A 8.8 μg/m3 (37) 65.0
 
Aug. 3, 2021, 5 p.m. 3.8 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 55.0 ppb (51) N/A N/A 10.6 μg/m3 (45) 51.0
 
Aug. 3, 2021, 4 p.m. 4.9 ppb (5) 1.3 ppb (2) N/A 4.0 ppb (4) N/A N/A 47.0 ppb (44) N/A N/A 11.2 μg/m3 (47) 47.0
 
Aug. 3, 2021, 3 p.m. 7.6 ppb (8) 2.4 ppb (3) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (33) N/A N/A 10.9 μg/m3 (46) 46.0
 
Aug. 3, 2021, 2 p.m. 15.6 ppb (15) 6.1 ppb (6) N/A 9.0 ppb (9) N/A N/A 20.0 ppb (19) N/A N/A 7.7 μg/m3 (33) 33.0
 
Aug. 3, 2021, 1 p.m. 16.2 ppb (16) 4.1 ppb (4) N/A 12.0 ppb (12) N/A N/A 12.0 ppb (12) N/A N/A 10.7 μg/m3 (45) 45.0
 
Aug. 3, 2021, noon 15.0 ppb (15) 2.9 ppb (3) N/A 12.0 ppb (12) N/A N/A 12.0 ppb (12) N/A N/A 4.3 μg/m3 (18) 18.0
 
Aug. 3, 2021, 11 a.m. 7.7 ppb (8) 0.3 ppb (1) N/A 8.0 ppb (8) N/A N/A 22.0 ppb (21) N/A N/A 2.8 μg/m3 (12) 21.0
 
Aug. 3, 2021, 10 a.m. 6.2 ppb (6) 0.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (25) N/A N/A 2.3 μg/m3 (10) 25.0
 
Aug. 3, 2021, 9 a.m. 3.6 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (36) N/A N/A 1.9 μg/m3 (8) 36.0
 
Aug. 3, 2021, 8 a.m. 4.4 ppb (5) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (35) N/A N/A 1.9 μg/m3 (8) 35.0
 
Aug. 3, 2021, 7 a.m. 11.2 ppb (11) 0.3 ppb (1) N/A 11.0 ppb (11) N/A N/A 29.0 ppb (27) N/A N/A 2.2 μg/m3 (10) 27.0
 
Aug. 3, 2021, 6 a.m. 3.8 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (35) N/A N/A 2.1 μg/m3 (9) 35.0
 
Aug. 3, 2021, 5 a.m. 6.1 ppb (6) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (38) N/A N/A 2.2 μg/m3 (10) 38.0
 
Aug. 3, 2021, 4 a.m. 3.5 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (41) N/A N/A 2.3 μg/m3 (10) 41.0
 
Aug. 3, 2021, 3 a.m. 3.3 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 47.0 ppb (44) N/A N/A 2.3 μg/m3 (10) 44.0
 
Aug. 3, 2021, 2 a.m. 4.7 ppb (5) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 47.0 ppb (44) N/A N/A 2.4 μg/m3 (10) 44.0
 
Aug. 3, 2021, 1 a.m. 3.6 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 50.0 ppb (47) N/A N/A 1.9 μg/m3 (8) 47.0
 
Aug. 3, 2021, midnight 2.3 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 55.0 ppb (51) N/A N/A 1.6 μg/m3 (7) 51.0
 
Aug. 2, 2021, 11 p.m. 2.4 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (50) N/A N/A 1.7 μg/m3 (8) 50.0
 
Aug. 2, 2021, 10 p.m. 2.1 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (47) N/A N/A 2.9 μg/m3 (13) 47.0
 
Aug. 2, 2021, 9 p.m. 2.3 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 56.0 ppb (55) N/A N/A 2.5 μg/m3 (11) 55.0
 
Aug. 2, 2021, 8 p.m. 2.3 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 58.0 ppb (61) N/A N/A 2.1 μg/m3 (9) 61.0
 
Aug. 2, 2021, 7 p.m. 2.5 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 55.0 ppb (51) N/A N/A 2.6 μg/m3 (11) 51.0
 
Aug. 2, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 2.3 μg/m3 (10) 50.0
 
Aug. 2, 2021, 5 p.m. 3.0 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (48) N/A N/A 2.5 μg/m3 (11) 48.0
 
Aug. 2, 2021, 4 p.m. 4.9 ppb (5) 1.4 ppb (2) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (38) N/A N/A 2.9 μg/m3 (13) 38.0
 
Aug. 2, 2021, 3 p.m. 5.0 ppb (5) 1.3 ppb (2) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (27) N/A N/A 2.1 μg/m3 (9) 27.0
 
Aug. 2, 2021, 2 p.m. 5.3 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (25) N/A N/A 2.0 μg/m3 (9) 25.0
 
Aug. 2, 2021, 1 p.m. 8.9 ppb (9) 1.2 ppb (2) N/A 8.0 ppb (8) N/A N/A 25.0 ppb (24) N/A N/A 2.3 μg/m3 (10) 24.0
 
Aug. 2, 2021, noon 8.4 ppb (8) 0.4 ppb (1) N/A 8.0 ppb (8) N/A N/A 29.0 ppb (27) N/A N/A 2.0 μg/m3 (9) 27.0
 
Aug. 2, 2021, 11 a.m. 6.1 ppb (6) 0.2 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 1.6 μg/m3 (7) 7.0
 
Aug. 2, 2021, 10 a.m. 3.0 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (39) N/A N/A 1.3 μg/m3 (6) 39.0
 
Aug. 2, 2021, 9 a.m. 3.2 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (41) N/A N/A 1.5 μg/m3 (7) 41.0
 
Aug. 2, 2021, 8 a.m. 4.1 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (35) N/A N/A 2.3 μg/m3 (10) 35.0
 
Aug. 2, 2021, 7 a.m. 9.7 ppb (10) 0.8 ppb (1) N/A 9.0 ppb (9) N/A N/A 13.0 ppb (13) N/A N/A 2.1 μg/m3 (9) 13.0
 
Aug. 2, 2021, 6 a.m. 10.5 ppb (10) 0.6 ppb (1) N/A 10.0 ppb (10) N/A N/A 16.0 ppb (15) N/A N/A 2.5 μg/m3 (11) 15.0
 
Aug. 2, 2021, 5 a.m. 12.0 ppb (12) 0.6 ppb (1) N/A 12.0 ppb (12) N/A N/A 18.0 ppb (17) N/A N/A 3.1 μg/m3 (13) 17.0
 
Aug. 2, 2021, 4 a.m. 11.9 ppb (12) 0.3 ppb (1) N/A 12.0 ppb (12) N/A N/A 25.0 ppb (24) N/A N/A 2.7 μg/m3 (12) 24.0
 
Aug. 2, 2021, 3 a.m. 9.2 ppb (9) 0.2 ppb (1) N/A 9.0 ppb (9) N/A N/A 29.0 ppb (27) N/A N/A 2.5 μg/m3 (11) 27.0
 
Aug. 2, 2021, 2 a.m. 6.2 ppb (6) 0.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 37.0 ppb (35) N/A N/A 2.1 μg/m3 (9) 35.0
 
Aug. 2, 2021, 1 a.m. 2.6 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (50) N/A N/A 1.3 μg/m3 (6) 50.0
 
Aug. 2, 2021, midnight 1.7 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 58.0 ppb (61) N/A N/A 1.3 μg/m3 (6) 61.0
 
Aug. 1, 2021, 11 p.m. 1.7 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 58.0 ppb (61) N/A N/A 1.9 μg/m3 (8) 61.0
 
Aug. 1, 2021, 10 p.m. 2.8 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 61.0 ppb (71) N/A N/A 2.0 μg/m3 (9) 71.0
 
Aug. 1, 2021, 9 p.m. 2.2 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 70.0 ppb (100) N/A N/A 2.6 μg/m3 (11) 100.0
 
Aug. 1, 2021, 8 p.m. 2.3 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 70.0 ppb (100) N/A N/A 3.1 μg/m3 (13) 100.0
 
Aug. 1, 2021, 7 p.m. 2.3 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 68.0 ppb (94) N/A N/A 3.5 μg/m3 (15) 94.0
 
Aug. 1, 2021, 6 p.m. 2.3 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 65.0 ppb (84) N/A N/A 3.8 μg/m3 (16) 84.0
 
Aug. 1, 2021, 5 p.m. 3.7 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 59.0 ppb (65) N/A N/A 4.8 μg/m3 (20) 65.0
 
Aug. 1, 2021, 4 p.m. 4.8 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 53.0 ppb (50) N/A N/A 5.4 μg/m3 (23) 50.0
 
Aug. 1, 2021, 3 p.m. 7.7 ppb (8) 1.8 ppb (2) N/A 6.0 ppb (6) N/A N/A 38.0 ppb (36) N/A N/A 6.3 μg/m3 (27) 36.0
 
Aug. 1, 2021, 2 p.m. 8.7 ppb (9) 2.3 ppb (3) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (26) N/A N/A 9.1 μg/m3 (38) 38.0
 
Aug. 1, 2021, 1 p.m. 9.3 ppb (9) 2.1 ppb (2) N/A 7.0 ppb (7) N/A N/A 21.0 ppb (20) N/A N/A 9.6 μg/m3 (40) 40.0
 
Aug. 1, 2021, noon 13.5 ppb (13) 1.3 ppb (2) N/A 12.0 ppb (12) N/A N/A 12.0 ppb (12) N/A N/A 10.4 μg/m3 (44) 44.0
 
Aug. 1, 2021, 11 a.m. 13.3 ppb (13) 0.4 ppb (1) N/A 13.0 ppb (13) N/A N/A 15.0 ppb (14) N/A N/A 10.7 μg/m3 (45) 45.0
 
Aug. 1, 2021, 10 a.m. 13.7 ppb (13) 0.5 ppb (1) N/A 13.0 ppb (13) N/A N/A 18.0 ppb (17) N/A N/A 8.8 μg/m3 (37) 37.0
 
Aug. 1, 2021, 9 a.m. 15.5 ppb (15) 0.6 ppb (1) N/A 15.0 ppb (15) N/A N/A 25.0 ppb (24) N/A N/A 6.7 μg/m3 (28) 28.0
 
Aug. 1, 2021, 8 a.m. 11.8 ppb (12) 0.5 ppb (1) N/A 11.0 ppb (11) N/A N/A 25.0 ppb (24) N/A N/A 5.8 μg/m3 (25) 25.0
 
Aug. 1, 2021, 7 a.m. 6.9 ppb (7) 0.2 ppb (1) N/A 7.0 ppb (7) N/A N/A 37.0 ppb (35) N/A N/A 4.7 μg/m3 (20) 35.0
 
Aug. 1, 2021, 6 a.m. 5.9 ppb (6) 0.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 40.0 ppb (38) N/A N/A 4.4 μg/m3 (19) 38.0
 
Aug. 1, 2021, 5 a.m. 6.1 ppb (6) 0.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 47.0 ppb (44) N/A N/A 4.1 μg/m3 (18) 44.0
 
Aug. 1, 2021, 4 a.m. 5.6 ppb (6) 0.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 48.0 ppb (45) N/A N/A 3.5 μg/m3 (15) 45.0
 
Aug. 1, 2021, 3 a.m. 3.8 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 54.0 ppb (50) N/A N/A 3.4 μg/m3 (15) 50.0
 
Aug. 1, 2021, 2 a.m. 2.7 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 61.0 ppb (71) N/A N/A 2.7 μg/m3 (12) 71.0
 
Aug. 1, 2021, 1 a.m. 3.0 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 66.0 ppb (87) N/A N/A 2.1 μg/m3 (9) 87.0
 
Aug. 1, 2021, midnight 2.8 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 68.0 ppb (94) N/A N/A 2.6 μg/m3 (11) 94.0
 
July 31, 2021, 11 p.m. 2.5 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 69.0 ppb (97) N/A N/A 3.4 μg/m3 (15) 97.0
 
July 31, 2021, 10 p.m. 2.5 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 72.0 ppb (102) N/A N/A 3.4 μg/m3 (15) 102.0
 
July 31, 2021, 9 p.m. 2.9 ppb (3) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 71.0 ppb (101) N/A N/A 3.4 μg/m3 (15) 101.0
 
July 31, 2021, 8 p.m. 3.2 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 72.0 ppb (102) N/A N/A 3.8 μg/m3 (16) 102.0
 
July 31, 2021, 7 p.m. 2.9 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 70.0 ppb (100) N/A N/A 3.9 μg/m3 (17) 100.0
 
July 31, 2021, 6 p.m. 3.1 ppb (3) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 66.0 ppb (87) N/A N/A 4.3 μg/m3 (18) 87.0
 
July 31, 2021, 5 p.m. 3.4 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 62.0 ppb (74) N/A N/A 4.0 μg/m3 (17) 74.0
 
July 31, 2021, 4 p.m. 3.9 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 59.0 ppb (65) N/A N/A 4.1 μg/m3 (18) 65.0
 
July 31, 2021, 3 p.m. 6.0 ppb (6) 1.3 ppb (2) N/A 5.0 ppb (5) N/A N/A 43.0 ppb (40) N/A N/A 5.6 μg/m3 (24) 40.0
 
July 31, 2021, 2 p.m. 8.5 ppb (9) 1.7 ppb (2) N/A 7.0 ppb (7) N/A N/A 39.0 ppb (37) N/A N/A 7.2 μg/m3 (31) 37.0
 
July 31, 2021, 1 p.m. 9.8 ppb (10) 1.6 ppb (2) N/A 8.0 ppb (8) N/A N/A 23.0 ppb (22) N/A N/A 7.9 μg/m3 (33) 33.0
 
July 31, 2021, noon 7.4 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (7) N/A N/A 25.0 ppb (24) N/A N/A 7.3 μg/m3 (31) 31.0
 
July 31, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 5.9 μg/m3 (25) 36.0
 
July 31, 2021, 10 a.m. 3.3 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 51.0 ppb (48) N/A N/A 5.0 μg/m3 (21) 48.0
 
July 31, 2021, 9 a.m. 3.6 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (42) N/A N/A 5.4 μg/m3 (23) 42.0
 
July 31, 2021, 8 a.m. 5.2 ppb (5) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (38) N/A N/A 6.4 μg/m3 (27) 38.0
 
July 31, 2021, 7 a.m. 4.4 ppb (5) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 47.0 ppb (44) N/A N/A 6.0 μg/m3 (25) 44.0
 
July 31, 2021, 6 a.m. 2.6 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 61.0 ppb (71) N/A N/A 6.1 μg/m3 (26) 71.0
 
July 31, 2021, 5 a.m. 6.5 ppb (7) 0.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 44.0 ppb (41) N/A N/A 6.2 μg/m3 (26) 41.0
 
July 31, 2021, 4 a.m. 8.8 ppb (9) 0.3 ppb (1) N/A 9.0 ppb (9) N/A N/A 45.0 ppb (42) N/A N/A 4.9 μg/m3 (21) 42.0
 
July 31, 2021, 3 a.m. 7.1 ppb (7) 0.2 ppb (1) N/A 7.0 ppb (7) N/A N/A 57.0 ppb (58) N/A N/A 4.4 μg/m3 (19) 58.0
 
July 31, 2021, 2 a.m. 4.1 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 69.0 ppb (97) N/A N/A 3.4 μg/m3 (15) 97.0
 
July 31, 2021, 1 a.m. 3.2 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 73.0 ppb (103) N/A N/A 3.1 μg/m3 (13) 103.0
 
July 31, 2021, midnight 2.5 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 73.0 ppb (103) N/A N/A 2.9 μg/m3 (13) 103.0
 
July 30, 2021, 11 p.m. 2.4 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 73.0 ppb (103) N/A N/A 2.8 μg/m3 (12) 103.0
 
July 30, 2021, 10 p.m. 2.7 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 73.0 ppb (103) N/A N/A 2.8 μg/m3 (12) 103.0
 
July 30, 2021, 9 p.m. 3.3 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 74.0 ppb (103) N/A N/A 3.0 μg/m3 (13) 103.0
 
July 30, 2021, 8 p.m. 2.8 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 74.0 ppb (103) N/A N/A 3.3 μg/m3 (14) 103.0
 
July 30, 2021, 7 p.m. 2.8 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 71.0 ppb (101) N/A N/A 3.8 μg/m3 (16) 101.0
 
July 30, 2021, 6 p.m. 2.7 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 67.0 ppb (91) N/A N/A 4.6 μg/m3 (20) 91.0
 
July 30, 2021, 5 p.m. 2.4 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 64.0 ppb (81) N/A N/A 4.4 μg/m3 (19) 81.0
 
July 30, 2021, 4 p.m. 2.9 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 62.0 ppb (74) N/A N/A 4.5 μg/m3 (19) 74.0
 
July 30, 2021, 3 p.m. 2.6 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 60.0 ppb (68) N/A N/A 4.5 μg/m3 (19) 68.0
 
July 30, 2021, 2 p.m. 4.0 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 53.0 ppb (50) N/A N/A 5.6 μg/m3 (24) 50.0
 
July 30, 2021, 1 p.m. 5.7 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 43.0 ppb (40) N/A N/A 5.2 μg/m3 (22) 40.0
 
July 30, 2021, noon 6.9 ppb (7) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (32) N/A N/A 5.7 μg/m3 (24) 32.0
 
July 30, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 2.8 μg/m3 (12) 38.0
 
July 30, 2021, 10 a.m. 2.9 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 49.0 ppb (46) N/A N/A 2.7 μg/m3 (12) 46.0
 
July 30, 2021, 9 a.m. 1.9 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (50) N/A N/A 3.9 μg/m3 (17) 50.0
 
July 30, 2021, 8 a.m. 2.4 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (48) N/A N/A 5.7 μg/m3 (24) 48.0
 
July 30, 2021, 7 a.m. 2.6 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 56.0 ppb (55) N/A N/A 5.0 μg/m3 (21) 55.0
 
July 30, 2021, 6 a.m. 3.4 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 59.0 ppb (65) N/A N/A 4.4 μg/m3 (19) 65.0
 
July 30, 2021, 5 a.m. 18.1 ppb (18) 0.8 ppb (1) N/A 17.0 ppb (17) N/A N/A 22.0 ppb (21) N/A N/A 3.8 μg/m3 (16) 21.0
 
July 30, 2021, 4 a.m. 7.3 ppb (7) 0.4 ppb (1) N/A 7.0 ppb (7) N/A N/A 41.0 ppb (38) N/A N/A 3.1 μg/m3 (13) 38.0
 
July 30, 2021, 3 a.m. 9.4 ppb (9) 0.4 ppb (1) N/A 9.0 ppb (9) N/A N/A 43.0 ppb (40) N/A N/A 4.7 μg/m3 (20) 40.0
 
July 30, 2021, 2 a.m. 12.9 ppb (13) 0.4 ppb (1) N/A 13.0 ppb (13) N/A N/A 44.0 ppb (41) N/A N/A 4.7 μg/m3 (20) 41.0
 
July 30, 2021, 1 a.m. 4.9 ppb (5) 0.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 66.0 ppb (87) N/A N/A 5.2 μg/m3 (22) 87.0
 
July 30, 2021, midnight 3.4 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 77.0 ppb (105) N/A N/A 4.9 μg/m3 (21) 105.0
 
July 29, 2021, 11 p.m. 3.5 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 79.0 ppb (106) N/A N/A 5.3 μg/m3 (23) 106.0
 
July 29, 2021, 10 p.m. 3.7 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 77.0 ppb (105) N/A N/A 5.7 μg/m3 (24) 105.0
 
July 29, 2021, 9 p.m. 2.9 ppb (3) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 75.0 ppb (104) N/A N/A 6.9 μg/m3 (29) 104.0
 
July 29, 2021, 8 p.m. 3.3 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 73.0 ppb (103) N/A N/A 10.1 μg/m3 (43) 103.0
 
July 29, 2021, 7 p.m. 3.4 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 70.0 ppb (100) N/A N/A 9.8 μg/m3 (41) 100.0
 
July 29, 2021, 6 p.m. 3.5 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 67.0 ppb (91) N/A N/A 7.3 μg/m3 (31) 91.0
 
July 29, 2021, 5 p.m. 4.2 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 65.0 ppb (84) N/A N/A 5.6 μg/m3 (24) 84.0
 
July 29, 2021, 4 p.m. 4.4 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 55.0 ppb (51) N/A N/A 7.3 μg/m3 (31) 51.0
 
July 29, 2021, 3 p.m. 6.0 ppb (6) 1.3 ppb (2) N/A 5.0 ppb (5) N/A N/A 46.0 ppb (43) N/A N/A 8.3 μg/m3 (35) 43.0
 
July 29, 2021, 2 p.m. 9.1 ppb (9) 2.9 ppb (3) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (25) N/A N/A 10.4 μg/m3 (44) 44.0
 
July 29, 2021, 1 p.m. 10.5 ppb (10) 2.4 ppb (3) N/A 8.0 ppb (8) N/A N/A 17.0 ppb (16) N/A N/A 10.4 μg/m3 (44) 44.0
 
July 29, 2021, noon 6.9 ppb (7) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (25) N/A N/A 9.2 μg/m3 (39) 39.0
 
July 29, 2021, 11 a.m. 4.4 ppb (5) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (33) N/A N/A 7.6 μg/m3 (32) 33.0
 
July 29, 2021, 10 a.m. 5.2 ppb (5) 0.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (31) N/A N/A 6.6 μg/m3 (28) 31.0
 
July 29, 2021, 9 a.m. 6.0 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (30) N/A N/A 7.0 μg/m3 (30) 30.0
 
July 29, 2021, 8 a.m. 5.9 ppb (6) 0.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (29) N/A N/A 6.9 μg/m3 (29) 29.0
 
July 29, 2021, 7 a.m. 5.4 ppb (6) 0.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (31) N/A N/A 6.5 μg/m3 (28) 31.0
 
July 29, 2021, 6 a.m. 2.9 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (41) N/A N/A 5.3 μg/m3 (23) 41.0
 
July 29, 2021, 5 a.m. 3.4 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) N/A N/A 5.5 μg/m3 (23) 40.0
 
July 29, 2021, 4 a.m. 1.9 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (48) N/A N/A 5.3 μg/m3 (23) 48.0
 
July 29, 2021, 3 a.m. 2.5 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (50) N/A N/A 6.4 μg/m3 (27) 50.0
 
July 29, 2021, 2 a.m. 2.6 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 56.0 ppb (55) N/A N/A 5.0 μg/m3 (21) 55.0
 
July 29, 2021, 1 a.m. 1.9 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 55.0 ppb (51) N/A N/A 3.2 μg/m3 (14) 51.0
 
July 29, 2021, midnight 1.8 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 57.0 ppb (58) N/A N/A 3.9 μg/m3 (17) 58.0
 
July 28, 2021, 11 p.m. 1.6 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 58.0 ppb (61) N/A N/A 8.7 μg/m3 (37) 61.0
 
July 28, 2021, 10 p.m. 1.4 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 65.0 ppb (84) N/A N/A 3.8 μg/m3 (16) 84.0
 
July 28, 2021, 9 p.m. 1.5 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 63.0 ppb (78) N/A N/A 3.8 μg/m3 (16) 78.0
 
July 28, 2021, 8 p.m. 1.5 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 63.0 ppb (78) N/A N/A 3.4 μg/m3 (15) 78.0
 
July 28, 2021, 7 p.m. 1.7 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 63.0 ppb (78) N/A N/A 3.1 μg/m3 (13) 78.0
 
July 28, 2021, 6 p.m. 1.7 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 61.0 ppb (71) N/A N/A 3.6 μg/m3 (16) 71.0
 
July 28, 2021, 5 p.m. 2.9 ppb (3) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 58.0 ppb (61) N/A N/A 3.8 μg/m3 (16) 61.0
 
July 28, 2021, 4 p.m. 4.7 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 49.0 ppb (46) N/A N/A 6.1 μg/m3 (26) 46.0
 
July 28, 2021, 3 p.m. 5.0 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (38) N/A N/A 7.6 μg/m3 (32) 38.0
 
July 28, 2021, 2 p.m. 7.7 ppb (8) 1.6 ppb (2) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (28) N/A N/A 7.9 μg/m3 (33) 33.0
 
July 28, 2021, 1 p.m. 8.5 ppb (9) 1.3 ppb (2) N/A 7.0 ppb (7) N/A N/A 23.0 ppb (22) N/A N/A 8.8 μg/m3 (37) 37.0
 
July 28, 2021, noon 5.4 ppb (6) 0.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (24) N/A N/A 8.4 μg/m3 (36) 36.0
 
July 28, 2021, 11 a.m. 4.0 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (26) N/A N/A 7.9 μg/m3 (33) 33.0
 
July 28, 2021, 10 a.m. 4.9 ppb (5) 0.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (26) N/A N/A 8.0 μg/m3 (34) 34.0
 
July 28, 2021, 9 a.m. 5.8 ppb (6) 0.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (23) N/A N/A 7.6 μg/m3 (32) 32.0
 
July 28, 2021, 8 a.m. 5.1 ppb (5) 0.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (26) N/A N/A 6.7 μg/m3 (28) 28.0
 
July 28, 2021, 7 a.m. 4.6 ppb (5) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (33) N/A N/A 6.0 μg/m3 (25) 33.0
 
July 28, 2021, 6 a.m. 14.7 ppb (14) 0.8 ppb (1) N/A 14.0 ppb (14) N/A N/A 28.0 ppb (26) N/A N/A 6.2 μg/m3 (26) 26.0
 
July 28, 2021, 5 a.m. 10.1 ppb (10) 0.4 ppb (1) N/A 10.0 ppb (10) N/A N/A 32.0 ppb (30) N/A N/A 5.2 μg/m3 (22) 30.0
 
July 28, 2021, 4 a.m. 12.1 ppb (12) 0.4 ppb (1) N/A 12.0 ppb (12) N/A N/A 30.0 ppb (28) N/A N/A 5.8 μg/m3 (25) 28.0
 
July 28, 2021, 3 a.m. 6.4 ppb (7) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 39.0 ppb (37) N/A N/A 6.1 μg/m3 (26) 37.0
 
July 28, 2021, 2 a.m. 6.0 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 46.0 ppb (43) N/A N/A 4.8 μg/m3 (20) 43.0
 
July 28, 2021, 1 a.m. 3.3 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 54.0 ppb (50) N/A N/A 4.0 μg/m3 (17) 50.0
 
July 28, 2021, midnight 1.8 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 59.0 ppb (65) N/A N/A 3.9 μg/m3 (17) 65.0
 
July 27, 2021, 11 p.m. 2.4 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 60.0 ppb (68) N/A N/A 4.5 μg/m3 (19) 68.0
 
July 27, 2021, 10 p.m. 1.8 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 62.0 ppb (74) N/A N/A 4.7 μg/m3 (20) 74.0