ID: 2088

AQSQID: 490071003

Site Name: P2

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

Updated: July 25, 2021, 5:52 a.m.

Location: Price (2500 E), UT

Reporting: True, Located: True

Current AQI: 51.0

Price (2500 E) UT, US: 39.595798, -110.769997

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 25, 2021, 4 a.m. 2.5 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (42) N/A N/A 12.1 μg/m3 (51) 51.0
 
July 25, 2021, 3 a.m. 1.5 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (50) N/A N/A 22.3 μg/m3 (73) 73.0
 
July 25, 2021, 2 a.m. 1.6 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 57.0 ppb (58) N/A N/A 24.4 μg/m3 (77) 77.0
 
July 25, 2021, 1 a.m. 1.3 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 60.0 ppb (68) N/A N/A 24.0 μg/m3 (77) 77.0
 
July 25, 2021, midnight 1.3 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 65.0 ppb (84) N/A N/A 26.5 μg/m3 (82) 84.0
 
July 24, 2021, 11 p.m. 1.2 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 69.0 ppb (97) N/A N/A 28.0 μg/m3 (85) 97.0
 
July 24, 2021, 10 p.m. 1.2 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 68.0 ppb (94) N/A N/A 27.7 μg/m3 (84) 94.0
 
July 24, 2021, 9 p.m. 1.3 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 67.0 ppb (91) N/A N/A 27.1 μg/m3 (83) 91.0
 
July 24, 2021, 8 p.m. 1.3 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 66.0 ppb (87) N/A N/A 27.1 μg/m3 (83) 87.0
 
July 24, 2021, 7 p.m. 1.3 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 64.0 ppb (81) N/A N/A 27.3 μg/m3 (83) 83.0
 
July 24, 2021, 6 p.m. 1.4 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 62.0 ppb (74) N/A N/A 23.5 μg/m3 (75) 75.0
 
July 24, 2021, 5 p.m. 1.8 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 59.0 ppb (65) N/A N/A 20.7 μg/m3 (70) 70.0
 
July 24, 2021, 4 p.m. 2.7 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (49) N/A N/A 17.7 μg/m3 (63) 63.0
 
July 24, 2021, 3 p.m. 3.4 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (41) N/A N/A 18.3 μg/m3 (65) 65.0
 
July 24, 2021, 2 p.m. 3.8 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) N/A N/A 17.8 μg/m3 (63) 63.0
 
July 24, 2021, 1 p.m. 3.0 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) N/A N/A 18.1 μg/m3 (64) 64.0
 
July 24, 2021, noon 3.2 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (38) N/A N/A 18.0 μg/m3 (64) 64.0
 
July 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 16.5 μg/m3 (61) 61.0
 
July 24, 2021, 10 a.m. 3.2 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (38) N/A N/A 15.3 μg/m3 (58) 58.0
 
July 24, 2021, 9 a.m. 2.5 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) N/A N/A 13.1 μg/m3 (54) 54.0
 
July 24, 2021, 8 a.m. 2.5 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (41) N/A N/A 12.5 μg/m3 (52) 52.0
 
July 24, 2021, 7 a.m. 3.4 ppb (4) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (39) N/A N/A 11.4 μg/m3 (48) 48.0
 
July 24, 2021, 6 a.m. 3.4 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) N/A N/A 10.5 μg/m3 (44) 44.0
 
July 24, 2021, 5 a.m. 4.4 ppb (5) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (39) N/A N/A 8.0 μg/m3 (34) 39.0
 
July 24, 2021, 4 a.m. 4.2 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 45.0 ppb (42) N/A N/A 7.2 μg/m3 (31) 42.0
 
July 24, 2021, 3 a.m. 2.2 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (47) N/A N/A 7.1 μg/m3 (30) 47.0
 
July 24, 2021, 2 a.m. 1.9 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (50) N/A N/A 6.5 μg/m3 (28) 50.0
 
July 24, 2021, 1 a.m. 1.7 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 57.0 ppb (58) N/A N/A 5.8 μg/m3 (25) 58.0
 
July 24, 2021, midnight 1.7 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 59.0 ppb (65) N/A N/A 5.8 μg/m3 (25) 65.0
 
July 23, 2021, 11 p.m. 1.9 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 58.0 ppb (61) N/A N/A 5.8 μg/m3 (25) 61.0
 
July 23, 2021, 10 p.m. 2.2 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (50) N/A N/A 5.2 μg/m3 (22) 50.0
 
July 23, 2021, 9 p.m. 2.1 ppb (2) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (50) N/A N/A 4.4 μg/m3 (19) 50.0
 
July 23, 2021, 8 p.m. 2.2 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 56.0 ppb (55) N/A N/A 5.3 μg/m3 (23) 55.0
 
July 23, 2021, 7 p.m. 1.8 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 61.0 ppb (71) N/A N/A 5.7 μg/m3 (24) 71.0
 
July 23, 2021, 6 p.m. 2.1 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 61.0 ppb (71) N/A N/A 5.7 μg/m3 (24) 71.0
 
July 23, 2021, 5 p.m. 2.9 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 59.0 ppb (65) N/A N/A 6.8 μg/m3 (29) 65.0
 
July 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 6.7 μg/m3 (28) 49.0
 
July 23, 2021, 3 p.m. 3.4 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (41) N/A N/A 6.0 μg/m3 (25) 41.0
 
July 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 6.0 μg/m3 (25) 27.0
 
July 23, 2021, 1 p.m. 3.4 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (23) N/A N/A 4.9 μg/m3 (21) 23.0
 
July 23, 2021, noon 3.6 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (22) N/A N/A 4.8 μg/m3 (20) 22.0
 
July 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 4.4 μg/m3 (19) 24.0
 
July 23, 2021, 10 a.m. 3.3 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (25) N/A N/A 5.3 μg/m3 (23) 25.0
 
July 23, 2021, 9 a.m. 3.3 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) N/A N/A 4.8 μg/m3 (20) 27.0
 
July 23, 2021, 8 a.m. 2.9 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) N/A N/A 4.1 μg/m3 (18) 31.0
 
July 23, 2021, 7 a.m. 2.9 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (36) N/A N/A 3.9 μg/m3 (17) 36.0
 
July 23, 2021, 6 a.m. 2.8 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (33) N/A N/A 3.3 μg/m3 (14) 33.0
 
July 23, 2021, 5 a.m. 2.6 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) N/A N/A 3.8 μg/m3 (16) 40.0
 
July 23, 2021, 4 a.m. 2.0 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (48) N/A N/A 4.6 μg/m3 (20) 48.0
 
July 23, 2021, 3 a.m. 1.9 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (45) N/A N/A 5.8 μg/m3 (25) 45.0
 
July 23, 2021, 2 a.m. 2.6 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 47.0 ppb (44) N/A N/A 4.9 μg/m3 (21) 44.0
 
July 23, 2021, 1 a.m. 5.8 ppb (6) 0.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 48.0 ppb (45) N/A N/A 4.8 μg/m3 (20) 45.0
 
July 23, 2021, midnight 7.4 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (7) N/A N/A 47.0 ppb (44) N/A N/A 4.1 μg/m3 (18) 44.0
 
July 22, 2021, 11 p.m. 2.1 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 55.0 ppb (51) N/A N/A 4.3 μg/m3 (18) 51.0
 
July 22, 2021, 10 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 4.7 μg/m3 (20) 68.0
 
July 22, 2021, 9 p.m. 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 61.0 ppb (71) N/A N/A 4.5 μg/m3 (19) 71.0
 
July 22, 2021, 8 p.m. 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 62.0 ppb (74) N/A N/A 4.7 μg/m3 (20) 74.0
 
July 22, 2021, 7 p.m. 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 61.0 ppb (71) N/A N/A 4.6 μg/m3 (20) 71.0
 
July 22, 2021, 6 p.m. 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 62.0 ppb (74) N/A N/A 4.9 μg/m3 (21) 74.0
 
July 22, 2021, 5 p.m. 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 62.0 ppb (74) N/A N/A 5.3 μg/m3 (23) 74.0
 
July 22, 2021, 4 p.m. 1.3 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 59.0 ppb (65) N/A N/A 5.3 μg/m3 (23) 65.0
 
July 22, 2021, 3 p.m. 2.5 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (47) N/A N/A 4.9 μg/m3 (21) 47.0
 
July 22, 2021, 2 p.m. 6.1 ppb (6) 1.5 ppb (2) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (31) N/A N/A 4.9 μg/m3 (21) 31.0
 
July 22, 2021, 1 p.m. 4.7 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (27) N/A N/A 4.6 μg/m3 (20) 27.0
 
July 22, 2021, noon 3.3 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) N/A N/A 4.2 μg/m3 (18) 31.0
 
July 22, 2021, 11 a.m. 4.1 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 4.6 μg/m3 (20) 20.0
 
July 22, 2021, 10 a.m. 2.7 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (33) N/A N/A 3.9 μg/m3 (17) 33.0
 
July 22, 2021, 9 a.m. 2.7 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (26) N/A N/A 4.2 μg/m3 (18) 26.0
 
July 22, 2021, 8 a.m. 3.0 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (28) N/A N/A 4.1 μg/m3 (18) 28.0
 
July 22, 2021, 7 a.m. 1.8 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) N/A N/A 4.1 μg/m3 (18) 34.0
 
July 22, 2021, 6 a.m. 2.8 ppb (3) 0.2 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
 
July 22, 2021, 5 a.m. 2.5 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) N/A N/A 3.8 μg/m3 (16) 37.0
 
July 22, 2021, 4 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 3.8 μg/m3 (16) 43.0
 
July 22, 2021, 3 a.m. 2.4 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 51.0 ppb (48) N/A N/A 3.6 μg/m3 (16) 48.0
 
July 22, 2021, 2 a.m. 1.6 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 56.0 ppb (55) N/A N/A 3.4 μg/m3 (15) 55.0
 
July 22, 2021, 1 a.m. 1.3 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 61.0 ppb (71) N/A N/A 3.2 μg/m3 (14) 71.0
 
July 22, 2021, midnight 2.0 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 58.0 ppb (61) N/A N/A 3.8 μg/m3 (16) 61.0
 
July 21, 2021, 11 p.m. 1.9 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 21, 2021, 10 p.m. 1.8 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 61.0 ppb (71) N/A N/A 3.2 μg/m3 (14) 71.0
 
July 21, 2021, 9 p.m. 1.4 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 63.0 ppb (78) N/A N/A 4.1 μg/m3 (18) 78.0
 
July 21, 2021, 8 p.m. 1.0 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 65.0 ppb (84) N/A N/A 4.5 μg/m3 (19) 84.0
 
July 21, 2021, 7 p.m. 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 65.0 ppb (84) N/A N/A 4.7 μg/m3 (20) 84.0
 
July 21, 2021, 6 p.m. 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 65.0 ppb (84) N/A N/A 4.7 μg/m3 (20) 84.0
 
July 21, 2021, 5 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 4.5 μg/m3 (19) 78.0
 
July 21, 2021, 4 p.m. 2.4 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 58.0 ppb (61) N/A N/A 3.9 μg/m3 (17) 61.0
 
July 21, 2021, 3 p.m. 4.3 ppb (5) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (43) N/A N/A 3.8 μg/m3 (16) 43.0
 
July 21, 2021, 2 p.m. 5.1 ppb (5) 1.5 ppb (2) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) N/A N/A 3.9 μg/m3 (17) 30.0
 
July 21, 2021, 1 p.m. 4.1 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (28) N/A N/A 3.2 μg/m3 (14) 28.0
 
July 21, 2021, noon 3.5 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) N/A N/A 3.4 μg/m3 (15) 29.0
 
July 21, 2021, 11 a.m. 3.1 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) N/A N/A 3.0 μg/m3 (13) 31.0
 
July 21, 2021, 10 a.m. 2.9 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) N/A N/A 3.2 μg/m3 (14) 31.0
 
July 21, 2021, 9 a.m. 3.5 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (28) N/A N/A 3.0 μg/m3 (13) 28.0
 
July 21, 2021, 8 a.m. 3.4 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (30) N/A N/A 5.0 μg/m3 (21) 30.0
 
July 21, 2021, 7 a.m. 3.0 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) N/A N/A 3.7 μg/m3 (16) 27.0
 
July 21, 2021, 6 a.m. 3.2 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (25) N/A N/A 3.2 μg/m3 (14) 25.0
 
July 21, 2021, 5 a.m. 2.8 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) N/A N/A 3.0 μg/m3 (13) 31.0
 
July 21, 2021, 4 a.m. 2.7 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) N/A N/A 3.0 μg/m3 (13) 31.0
 
July 21, 2021, 3 a.m. 3.3 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (38) N/A N/A 3.6 μg/m3 (16) 38.0
 
July 21, 2021, 2 a.m. 2.2 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (43) N/A N/A 3.4 μg/m3 (15) 43.0
 
July 21, 2021, 1 a.m. 1.7 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (49) N/A N/A 3.8 μg/m3 (16) 49.0
 
July 21, 2021, midnight 1.7 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 55.0 ppb (51) N/A N/A 4.1 μg/m3 (18) 51.0
 
July 20, 2021, 11 p.m. 1.7 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 58.0 ppb (61) N/A N/A 3.9 μg/m3 (17) 61.0
 
July 20, 2021, 10 p.m. 1.2 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 60.0 ppb (68) N/A N/A 3.6 μg/m3 (16) 68.0
 
July 20, 2021, 9 p.m. 1.4 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 62.0 ppb (74) N/A N/A 3.6 μg/m3 (16) 74.0
 
July 20, 2021, 8 p.m. 1.5 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 67.0 ppb (91) N/A N/A 4.0 μg/m3 (17) 91.0
 
July 20, 2021, 7 p.m. 1.5 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 66.0 ppb (87) N/A N/A 4.0 μg/m3 (17) 87.0
 
July 20, 2021, 6 p.m. 1.8 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 66.0 ppb (87) N/A N/A 4.5 μg/m3 (19) 87.0
 
July 20, 2021, 5 p.m. 3.1 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 63.0 ppb (78) N/A N/A 4.9 μg/m3 (21) 78.0
 
July 20, 2021, 4 p.m. 5.4 ppb (6) 1.3 ppb (2) N/A 4.0 ppb (4) N/A N/A 53.0 ppb (50) N/A N/A 5.7 μg/m3 (24) 50.0
 
July 20, 2021, 3 p.m. 5.3 ppb (5) 1.4 ppb (2) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (32) N/A N/A 6.3 μg/m3 (27) 32.0
 
July 20, 2021, 2 p.m. 4.4 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (25) N/A N/A 5.6 μg/m3 (24) 25.0
 
July 20, 2021, 1 p.m. 3.9 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 20.0 ppb (19) N/A N/A 6.9 μg/m3 (29) 29.0
 
July 20, 2021, noon 6.1 ppb (6) 0.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 17.0 ppb (16) N/A N/A 31.6 μg/m3 (93) 93.0
 
July 20, 2021, 11 a.m. 3.2 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (26) N/A N/A 4.9 μg/m3 (21) 26.0
 
July 20, 2021, 10 a.m. 2.9 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (25) N/A N/A 4.6 μg/m3 (20) 25.0
 
July 20, 2021, 9 a.m. 2.2 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) N/A N/A 4.3 μg/m3 (18) 34.0
 
July 20, 2021, 8 a.m. 1.9 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) N/A N/A 4.1 μg/m3 (18) 38.0
 
July 20, 2021, 7 a.m. 1.4 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 53.0 ppb (50) N/A N/A 4.6 μg/m3 (20) 50.0
 
July 20, 2021, 6 a.m. 2.1 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (48) N/A N/A 5.8 μg/m3 (25) 48.0
 
July 20, 2021, 5 a.m. 1.1 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 56.0 ppb (55) N/A N/A 4.8 μg/m3 (20) 55.0
 
July 20, 2021, 4 a.m. 1.3 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 56.0 ppb (55) N/A N/A 5.0 μg/m3 (21) 55.0
 
July 20, 2021, 3 a.m. 1.6 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 57.0 ppb (58) N/A N/A 5.6 μg/m3 (24) 58.0
 
July 20, 2021, 2 a.m. 1.8 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 59.0 ppb (65) N/A N/A 5.9 μg/m3 (25) 65.0
 
July 20, 2021, 1 a.m. 1.8 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 58.0 ppb (61) N/A N/A 5.2 μg/m3 (22) 61.0
 
July 20, 2021, midnight 1.5 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 61.0 ppb (71) N/A N/A 5.4 μg/m3 (23) 71.0
 
July 19, 2021, 11 p.m. 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 65.0 ppb (84) N/A N/A 5.7 μg/m3 (24) 84.0
 
July 19, 2021, 10 p.m. 1.0 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 65.0 ppb (84) N/A N/A 5.8 μg/m3 (25) 84.0
 
July 19, 2021, 9 p.m. 1.0 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 65.0 ppb (84) N/A N/A 6.1 μg/m3 (26) 84.0
 
July 19, 2021, 8 p.m. 1.0 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 63.0 ppb (78) N/A N/A 6.0 μg/m3 (25) 78.0
 
July 19, 2021, 7 p.m. 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 62.0 ppb (74) N/A N/A 6.7 μg/m3 (28) 74.0
 
July 19, 2021, 6 p.m. 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 58.0 ppb (61) N/A N/A 6.5 μg/m3 (28) 61.0
 
July 19, 2021, 5 p.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (50) N/A N/A 6.0 μg/m3 (25) 50.0
 
July 19, 2021, 4 p.m. 1.0 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (49) N/A N/A 5.5 μg/m3 (23) 49.0
 
July 19, 2021, 3 p.m. 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (47) N/A N/A 5.9 μg/m3 (25) 47.0
 
July 19, 2021, 2 p.m. 2.0 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (43) N/A N/A 6.7 μg/m3 (28) 43.0
 
July 19, 2021, 1 p.m. 2.8 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) N/A N/A 7.2 μg/m3 (31) 35.0
 
July 19, 2021, noon 3.6 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (36) N/A N/A 7.2 μg/m3 (31) 36.0
 
July 19, 2021, 11 a.m. 1.8 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) N/A N/A 7.6 μg/m3 (32) 39.0
 
July 19, 2021, 10 a.m. 1.7 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (41) N/A N/A 7.8 μg/m3 (33) 41.0
 
July 19, 2021, 9 a.m. 1.3 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (49) N/A N/A 7.8 μg/m3 (33) 49.0
 
July 19, 2021, 8 a.m. 1.5 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (49) N/A N/A 7.3 μg/m3 (31) 49.0
 
July 19, 2021, 7 a.m. 2.3 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (46) N/A N/A 6.9 μg/m3 (29) 46.0
 
July 19, 2021, 6 a.m. 3.4 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 50.0 ppb (47) N/A N/A 7.0 μg/m3 (30) 47.0
 
July 19, 2021, 5 a.m. 2.3 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (50) N/A N/A 7.2 μg/m3 (31) 50.0
 
July 19, 2021, 4 a.m. 2.0 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (49) N/A N/A 6.8 μg/m3 (29) 49.0
 
July 19, 2021, 3 a.m. 1.2 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 56.0 ppb (55) N/A N/A 6.6 μg/m3 (28) 55.0
 
July 19, 2021, 2 a.m. 1.1 ppb (2) 0.1 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, 1 a.m. 0.8 ppb (1) 0.1 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, midnight 0.9 ppb (1) 0.1 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, 11 p.m. 0.7 ppb (1) 0.1 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, 10 p.m. 0.8 ppb (1) 0.1 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. 0.8 ppb (1) 0.2 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, 8 p.m. 0.7 ppb (1) 0.1 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 18, 2021, 7 p.m. 0.9 ppb (1) 0.2 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 18, 2021, 6 p.m. 1.0 ppb (1) 0.2 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 18, 2021, 5 p.m. 0.9 ppb (1) 0.2 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 18, 2021, 4 p.m. 1.0 ppb (1) 0.2 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 18, 2021, 3 p.m. 1.5 ppb (2) 0.3 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 18, 2021, 2 p.m. 2.4 ppb (3) 0.5 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 18, 2021, 1 p.m. 1.3 ppb (2) 0.2 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 18, 2021, noon 1.3 ppb (2) 0.1 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 18, 2021, 11 a.m. 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) N/A N/A 7.2 μg/m3 (31) 35.0
 
July 18, 2021, 10 a.m. 1.1 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) N/A N/A 7.2 μg/m3 (31) 38.0
 
July 18, 2021, 9 a.m. 1.7 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) N/A N/A 7.6 μg/m3 (32) 38.0
 
July 18, 2021, 8 a.m. 2.3 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) N/A N/A 7.6 μg/m3 (32) 39.0
 
July 18, 2021, 7 a.m. 2.5 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (41) N/A N/A 7.6 μg/m3 (32) 41.0
 
July 18, 2021, 6 a.m. 3.0 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (42) N/A N/A 7.4 μg/m3 (31) 42.0
 
July 18, 2021, 5 a.m. 3.2 ppb (4) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 47.0 ppb (44) N/A N/A N/A 44.0