ID: 2114

AQSQID: 560351002

Site Name: Juel Spring

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

Updated: July 25, 2021, 4:52 a.m.

Location: Boulder (Blm 4207), WY

Reporting: True, Located: True

Current AQI: 71.0

Boulder (Blm 4207) WY, US: 42.373001, -109.563004

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 25, 2021, 2 a.m. 1.3 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 61.0 ppb (71) N/A N/A N/A 71.0
 
July 25, 2021, 1 a.m. 1.4 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 65.0 ppb (84) N/A N/A N/A 84.0
 
July 25, 2021, midnight 1.5 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 68.0 ppb (94) N/A N/A N/A 94.0
 
July 24, 2021, 11 p.m. 1.5 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 68.0 ppb (94) N/A N/A N/A 94.0
 
July 24, 2021, 10 p.m. 1.5 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 68.0 ppb (94) N/A N/A N/A 94.0
 
July 24, 2021, 9 p.m. 1.5 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 70.0 ppb (100) N/A N/A N/A 100.0
 
July 24, 2021, 8 p.m. 1.7 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 70.0 ppb (100) N/A N/A N/A 100.0
 
July 24, 2021, 7 p.m. 1.9 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 68.0 ppb (94) N/A N/A N/A 94.0
 
July 24, 2021, 6 p.m. 2.1 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 66.0 ppb (87) N/A N/A N/A 87.0
 
July 24, 2021, 5 p.m. 2.1 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 62.0 ppb (74) N/A N/A N/A 74.0
 
July 24, 2021, 4 p.m. 2.0 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (50) N/A N/A N/A 50.0
 
July 24, 2021, 3 p.m. 2.0 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (46) N/A N/A N/A 46.0
 
July 24, 2021, 2 p.m. 2.0 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A N/A N/A 38.0
 
July 24, 2021, 1 p.m. 2.4 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) N/A N/A N/A 33.0
 
July 24, 2021, noon 2.8 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) N/A N/A N/A 33.0
 
July 24, 2021, 11 a.m. 2.8 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) N/A N/A N/A 36.0
 
July 24, 2021, 10 a.m. 4.7 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (35) N/A N/A N/A 35.0
 
July 24, 2021, 9 a.m. 3.3 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (38) N/A N/A N/A 38.0
 
July 24, 2021, 8 a.m. 2.6 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (43) N/A N/A N/A 43.0
 
July 24, 2021, 7 a.m. 2.0 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (44) N/A N/A N/A 44.0
 
July 24, 2021, 6 a.m. 1.8 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (47) N/A N/A N/A 47.0
 
July 24, 2021, 5 a.m. 2.2 ppb (3) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (46) N/A N/A N/A 46.0
 
July 24, 2021, 4 a.m. 2.9 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (45) N/A N/A N/A 45.0
 
July 24, 2021, 3 a.m. 2.0 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (47) N/A N/A N/A 47.0
 
July 24, 2021, 2 a.m. 2.0 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 59.0 ppb (65) N/A N/A N/A 65.0
 
July 24, 2021, 1 a.m. 2.0 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 61.0 ppb (71) N/A N/A N/A 71.0
 
July 24, 2021, midnight 1.8 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 60.0 ppb (68) N/A N/A N/A 68.0
 
July 23, 2021, 11 p.m. 1.8 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 62.0 ppb (74) N/A N/A N/A 74.0
 
July 23, 2021, 10 p.m. 1.9 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 63.0 ppb (78) N/A N/A N/A 78.0
 
July 23, 2021, 9 p.m. 1.9 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 63.0 ppb (78) N/A N/A N/A 78.0
 
July 23, 2021, 8 p.m. 2.0 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 64.0 ppb (81) N/A N/A N/A 81.0
 
July 23, 2021, 7 p.m. 2.1 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 66.0 ppb (87) N/A N/A N/A 87.0
 
July 23, 2021, 6 p.m. 2.1 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 65.0 ppb (84) N/A N/A N/A 84.0
 
July 23, 2021, 5 p.m. 2.4 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 64.0 ppb (81) N/A N/A N/A 81.0
 
July 23, 2021, 4 p.m. 2.4 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 55.0 ppb (51) N/A N/A N/A 51.0
 
July 23, 2021, 3 p.m. 2.6 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (45) N/A N/A N/A 45.0
 
July 23, 2021, 2 p.m. 2.8 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) N/A N/A N/A 35.0
 
July 23, 2021, 1 p.m. 2.8 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) N/A N/A N/A 35.0
 
July 23, 2021, noon 2.5 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) N/A N/A N/A 37.0
 
July 23, 2021, 11 a.m. 2.4 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) N/A N/A N/A 33.0
 
July 23, 2021, 10 a.m. 2.4 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) N/A N/A N/A 34.0
 
July 23, 2021, 9 a.m. 2.4 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) N/A N/A N/A 39.0
 
July 23, 2021, 8 a.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 N/A 38.0
 
July 23, 2021, 7 a.m. 2.2 ppb (3) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
July 23, 2021, 6 a.m. 2.0 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (48) N/A N/A N/A 48.0
 
July 23, 2021, 5 a.m. 2.4 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) N/A N/A N/A 40.0
 
July 23, 2021, 4 a.m. 2.3 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (50) N/A N/A N/A 50.0
 
July 23, 2021, 3 a.m. 2.2 ppb (3) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 58.0 ppb (61) N/A N/A N/A 61.0
 
July 23, 2021, 2 a.m. 1.5 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 61.0 ppb (71) N/A N/A N/A 71.0
 
July 23, 2021, 1 a.m. 1.6 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 61.0 ppb (71) N/A N/A N/A 71.0
 
July 23, 2021, midnight 1.7 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 63.0 ppb (78) N/A N/A N/A 78.0
 
July 22, 2021, 11 p.m. 1.6 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 63.0 ppb (78) N/A N/A N/A 78.0
 
July 22, 2021, 10 p.m. 1.7 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 63.0 ppb (78) N/A N/A N/A 78.0
 
July 22, 2021, 9 p.m. 1.7 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 62.0 ppb (74) N/A N/A N/A 74.0
 
July 22, 2021, 8 p.m. 1.8 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 64.0 ppb (81) N/A N/A N/A 81.0
 
July 22, 2021, 7 p.m. 1.8 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 64.0 ppb (81) N/A N/A N/A 81.0
 
July 22, 2021, 6 p.m. 1.9 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 62.0 ppb (74) N/A N/A N/A 74.0
 
July 22, 2021, 5 p.m. 1.9 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 61.0 ppb (71) N/A N/A N/A 71.0
 
July 22, 2021, 4 p.m. 1.9 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 62.0 ppb (74) N/A N/A N/A 74.0
 
July 22, 2021, 3 p.m. 2.5 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (45) N/A N/A N/A 45.0
 
July 22, 2021, 2 p.m. 2.3 ppb (3) 0.9 ppb (1) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) N/A N/A N/A 34.0
 
July 22, 2021, 1 p.m. 2.3 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) N/A N/A N/A 35.0
 
July 22, 2021, noon 2.8 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (32) N/A N/A N/A 32.0
 
July 22, 2021, 11 a.m. 3.2 ppb (4) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (29) N/A N/A N/A 29.0
 
July 22, 2021, 10 a.m. 2.0 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (32) N/A N/A N/A 32.0
 
July 22, 2021, 9 a.m. 2.1 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (33) N/A N/A N/A 33.0
 
July 22, 2021, 8 a.m. 2.3 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (32) N/A N/A N/A 32.0
 
July 22, 2021, 7 a.m. 2.4 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) N/A N/A N/A 38.0
 
July 22, 2021, 6 a.m. 2.0 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 58.0 ppb (61) N/A N/A N/A 61.0
 
July 22, 2021, 5 a.m. 1.9 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 62.0 ppb (74) N/A N/A N/A 74.0
 
July 22, 2021, 4 a.m. 2.2 ppb (3) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 53.0 ppb (50) N/A N/A N/A 50.0
 
July 22, 2021, 3 a.m. 2.4 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (50) N/A N/A N/A 50.0
 
July 22, 2021, 2 a.m. 2.1 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 62.0 ppb (74) N/A N/A N/A 74.0
 
July 22, 2021, 1 a.m. 2.0 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 68.0 ppb (94) N/A N/A N/A 94.0
 
July 22, 2021, midnight 2.0 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 68.0 ppb (94) N/A N/A N/A 94.0
 
July 21, 2021, 11 p.m. 2.0 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 68.0 ppb (94) N/A N/A N/A 94.0
 
July 21, 2021, 10 p.m. 1.9 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 66.0 ppb (87) N/A N/A N/A 87.0
 
July 21, 2021, 9 p.m. 1.9 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 65.0 ppb (84) N/A N/A N/A 84.0
 
July 21, 2021, 8 p.m. 1.9 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 64.0 ppb (81) N/A N/A N/A 81.0
 
July 21, 2021, 7 p.m. 2.0 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 63.0 ppb (78) N/A N/A N/A 78.0
 
July 21, 2021, 6 p.m. 2.0 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 63.0 ppb (78) N/A N/A N/A 78.0
 
July 21, 2021, 5 p.m. 2.5 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 63.0 ppb (78) N/A N/A N/A 78.0
 
July 21, 2021, 4 p.m. 2.7 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 58.0 ppb (61) N/A N/A N/A 61.0
 
July 21, 2021, 3 p.m. 3.1 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (50) N/A N/A N/A 50.0
 
July 21, 2021, 2 p.m. 2.8 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (44) N/A N/A N/A 44.0
 
July 21, 2021, 1 p.m. 2.8 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) N/A N/A N/A 33.0
 
July 21, 2021, noon 4.3 ppb (5) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (26) N/A N/A N/A 26.0
 
July 21, 2021, 11 a.m. 6.4 ppb (7) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (30) N/A N/A N/A 30.0
 
July 21, 2021, 10 a.m. 3.2 ppb (4) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) N/A N/A N/A 38.0
 
July 21, 2021, 9 a.m. 4.3 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (29) N/A N/A N/A 29.0
 
July 21, 2021, 8 a.m. 7.2 ppb (7) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 41.0 ppb (38) N/A N/A N/A 38.0
 
July 21, 2021, 7 a.m. 2.6 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (46) N/A N/A N/A 46.0
 
July 21, 2021, 6 a.m. 2.2 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (46) N/A N/A N/A 46.0
 
July 21, 2021, 5 a.m. 2.2 ppb (3) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (47) N/A N/A N/A 47.0
 
July 21, 2021, 4 a.m. 2.2 ppb (3) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 53.0 ppb (50) N/A N/A N/A 50.0
 
July 21, 2021, 3 a.m. 2.1 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 55.0 ppb (51) N/A N/A N/A 51.0
 
July 21, 2021, 2 a.m. 2.1 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 55.0 ppb (51) N/A N/A N/A 51.0
 
July 21, 2021, 1 a.m. 1.7 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 60.0 ppb (68) N/A N/A N/A 68.0
 
July 21, 2021, midnight 1.7 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 59.0 ppb (65) N/A N/A N/A 65.0
 
July 20, 2021, 11 p.m. 1.6 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 60.0 ppb (68) N/A N/A N/A 68.0
 
July 20, 2021, 10 p.m. 1.7 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 59.0 ppb (65) N/A N/A N/A 65.0
 
July 20, 2021, 9 p.m. 1.6 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 59.0 ppb (65) N/A N/A N/A 65.0
 
July 20, 2021, 8 p.m. 1.6 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 61.0 ppb (71) N/A N/A N/A 71.0
 
July 20, 2021, 7 p.m. 1.7 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 60.0 ppb (68) N/A N/A N/A 68.0
 
July 20, 2021, 6 p.m. 1.8 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 59.0 ppb (65) N/A N/A N/A 65.0
 
July 20, 2021, 5 p.m. 1.8 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 58.0 ppb (61) N/A N/A N/A 61.0
 
July 20, 2021, 4 p.m. 1.9 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 57.0 ppb (58) N/A N/A N/A 58.0
 
July 20, 2021, 3 p.m. 3.3 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (49) N/A N/A N/A 49.0
 
July 20, 2021, 2 p.m. 3.9 ppb (4) 1.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) N/A N/A N/A 34.0
 
July 20, 2021, 1 p.m. 4.2 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) N/A N/A N/A 32.0
 
July 20, 2021, noon 3.3 ppb (4) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) N/A N/A N/A 38.0
 
July 20, 2021, 11 a.m. 5.4 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (31) N/A N/A N/A 31.0
 
July 20, 2021, 10 a.m. 3.4 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) N/A N/A N/A 34.0
 
July 20, 2021, 9 a.m. 3.0 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) N/A N/A N/A 36.0
 
July 20, 2021, 8 a.m. 3.4 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (38) N/A N/A N/A 38.0
 
July 20, 2021, 7 a.m. 2.1 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (44) N/A N/A N/A 44.0
 
July 20, 2021, 6 a.m. 2.0 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (43) N/A N/A N/A 43.0
 
July 20, 2021, 5 a.m. 2.7 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (47) N/A N/A N/A 47.0
 
July 20, 2021, 4 a.m. 2.1 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 53.0 ppb (50) N/A N/A N/A 50.0
 
July 20, 2021, 3 a.m. 2.0 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 55.0 ppb (51) N/A N/A N/A 51.0
 
July 20, 2021, 2 a.m. 1.7 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 55.0 ppb (51) N/A N/A N/A 51.0
 
July 20, 2021, 1 a.m. 1.9 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 55.0 ppb (51) N/A N/A N/A 51.0
 
July 20, 2021, midnight 1.6 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 55.0 ppb (51) N/A N/A N/A 51.0
 
July 19, 2021, 11 p.m. 1.5 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 65.0 ppb (84) N/A N/A N/A 84.0
 
July 19, 2021, 10 p.m. 1.5 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 67.0 ppb (91) N/A N/A N/A 91.0
 
July 19, 2021, 9 p.m. 1.6 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 66.0 ppb (87) N/A N/A N/A 87.0
 
July 19, 2021, 8 p.m. 1.6 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 64.0 ppb (81) N/A N/A N/A 81.0
 
July 19, 2021, 7 p.m. 1.6 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 64.0 ppb (81) N/A N/A N/A 81.0
 
July 19, 2021, 6 p.m. 1.9 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 66.0 ppb (87) N/A N/A N/A 87.0
 
July 19, 2021, 5 p.m. 2.1 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 66.0 ppb (87) N/A N/A N/A 87.0
 
July 19, 2021, 4 p.m. 2.1 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 63.0 ppb (78) N/A N/A N/A 78.0
 
July 19, 2021, 3 p.m. 2.6 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 62.0 ppb (74) N/A N/A N/A 74.0
 
July 19, 2021, 2 p.m. 3.2 ppb (4) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 59.0 ppb (65) N/A N/A N/A 65.0
 
July 19, 2021, 1 p.m. 2.4 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (50) N/A N/A N/A 50.0
 
July 19, 2021, noon 2.0 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (49) N/A N/A N/A 49.0
 
July 19, 2021, 11 a.m. 2.0 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (50) N/A N/A N/A 50.0
 
July 19, 2021, 10 a.m. 1.9 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (49) N/A N/A N/A 49.0
 
July 19, 2021, 9 a.m. 1.8 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (49) N/A N/A N/A 49.0
 
July 19, 2021, 8 a.m. 1.5 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (46) N/A N/A N/A 46.0
 
July 19, 2021, 7 a.m. 1.4 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (43) N/A N/A N/A 43.0
 
July 19, 2021, 6 a.m. 1.4 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (43) N/A N/A N/A 43.0
 
July 19, 2021, 5 a.m. 1.4 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (44) N/A N/A N/A 44.0
 
July 19, 2021, 4 a.m. 1.4 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (44) N/A N/A N/A 44.0
 
July 19, 2021, 3 a.m. 1.4 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (47) N/A N/A N/A 47.0
 
July 19, 2021, 2 a.m. 1.5 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 58.0 ppb (61) N/A N/A N/A 61.0
 
July 19, 2021, 1 a.m. 1.4 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 61.0 ppb (71) N/A N/A N/A 71.0
 
July 19, 2021, midnight 1.4 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 61.0 ppb (71) N/A N/A N/A 71.0
 
July 18, 2021, 11 p.m. 1.4 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 62.0 ppb (74) N/A N/A N/A 74.0
 
July 18, 2021, 10 p.m. 1.4 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 62.0 ppb (74) N/A N/A N/A 74.0
 
July 18, 2021, 9 p.m. 1.4 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 63.0 ppb (78) N/A N/A N/A 78.0
 
July 18, 2021, 8 p.m. 1.6 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 63.0 ppb (78) N/A N/A N/A 78.0
 
July 18, 2021, 7 p.m. 1.7 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 63.0 ppb (78) N/A N/A N/A 78.0
 
July 18, 2021, 6 p.m. 1.7 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 59.0 ppb (65) N/A N/A N/A 65.0
 
July 18, 2021, 5 p.m. 2.1 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 56.0 ppb (55) N/A N/A N/A 55.0
 
July 18, 2021, 4 p.m. 2.3 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (48) N/A N/A N/A 48.0
 
July 18, 2021, 3 p.m. 2.1 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (45) N/A N/A N/A 45.0
 
July 18, 2021, 2 p.m. 2.1 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (42) N/A N/A N/A 42.0
 
July 18, 2021, 1 p.m. 1.8 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A N/A N/A 37.0
 
July 18, 2021, noon 1.8 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A N/A N/A 39.0
 
July 18, 2021, 11 a.m. 1.7 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
July 18, 2021, 10 a.m. 1.7 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) N/A N/A N/A 40.0
 
July 18, 2021, 9 a.m. 1.6 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A N/A N/A 39.0
 
July 18, 2021, 8 a.m. 1.4 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A N/A N/A 39.0
 
July 18, 2021, 7 a.m. 1.4 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) N/A N/A N/A 38.0
 
July 18, 2021, 6 a.m. 1.5 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
July 18, 2021, 5 a.m. 1.7 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (46) N/A N/A N/A 46.0
 
July 18, 2021, 4 a.m. 1.8 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (44) N/A N/A N/A 44.0
 
July 18, 2021, 3 a.m. 1.3 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (47) N/A N/A N/A 47.0