ID: 1266

AQSQID: 490110004

Site Name: Bv

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

Updated: June 20, 2021, 9:52 p.m.

Location: Bountiful (Wayne Cooper), UT

Reporting: True, Located: True

Current AQI: 35.0

Bountiful (Wayne Cooper) UT, US: 40.897999, -111.885498

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
June 20, 2021, 8 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 4.4 μg/m3 (19) 35.0
 
June 20, 2021, 7 p.m. 1.6 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A N/A 5.6 μg/m3 (24) 37.0
 
June 20, 2021, 6 p.m. 1.8 ppb (2) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (44) N/A N/A 6.2 μg/m3 (26) 44.0
 
June 20, 2021, 5 p.m. 2.5 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (48) N/A N/A 7.5 μg/m3 (32) 48.0
 
June 20, 2021, 4 p.m. 3.8 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 52.0 ppb (49) N/A N/A 8.1 μg/m3 (34) 49.0
 
June 20, 2021, 3 p.m. 6.7 ppb (7) 1.4 ppb (2) N/A 6.0 ppb (6) N/A N/A 48.0 ppb (45) N/A N/A 9.3 μg/m3 (39) 45.0
 
June 20, 2021, 2 p.m. 2.7 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) N/A N/A 7.8 μg/m3 (33) 38.0
 
June 20, 2021, 1 p.m. 3.0 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) N/A N/A 8.3 μg/m3 (35) 35.0
 
June 20, 2021, noon 2.3 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) N/A N/A 7.7 μg/m3 (33) 37.0
 
June 20, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 7.8 μg/m3 (33) 36.0
 
June 20, 2021, 10 a.m. 1.8 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) N/A N/A 7.4 μg/m3 (31) 38.0
 
June 20, 2021, 9 a.m. 2.1 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) N/A N/A 7.8 μg/m3 (33) 38.0
 
June 20, 2021, 8 a.m. 2.0 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (41) N/A N/A 12.4 μg/m3 (52) 52.0
 
June 20, 2021, 7 a.m. 3.4 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (38) N/A N/A 11.9 μg/m3 (50) 50.0
 
June 20, 2021, 6 a.m. 7.5 ppb (8) 0.4 ppb (1) N/A 7.0 ppb (7) N/A N/A 35.0 ppb (33) N/A N/A 13.2 μg/m3 (54) 54.0
 
June 20, 2021, 5 a.m. 7.1 ppb (7) 0.4 ppb (1) N/A 7.0 ppb (7) N/A N/A 37.0 ppb (35) N/A N/A 14.9 μg/m3 (57) 57.0
 
June 20, 2021, 4 a.m. 6.9 ppb (7) 0.3 ppb (1) N/A 7.0 ppb (7) N/A N/A 39.0 ppb (37) N/A N/A 17.9 μg/m3 (64) 64.0
 
June 20, 2021, 3 a.m. 4.8 ppb (5) 0.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 43.0 ppb (40) N/A N/A 21.8 μg/m3 (72) 72.0
 
June 20, 2021, 2 a.m. 3.1 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 48.0 ppb (45) N/A N/A 16.0 μg/m3 (60) 60.0
 
June 20, 2021, 1 a.m. 1.8 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (50) N/A N/A 9.2 μg/m3 (39) 50.0
 
June 20, 2021, midnight 1.6 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 55.0 ppb (51) N/A N/A 9.2 μg/m3 (39) 51.0
 
June 19, 2021, 11 p.m. 2.7 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (50) N/A N/A 9.4 μg/m3 (40) 50.0
 
June 19, 2021, 10 p.m. 2.3 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (50) N/A N/A 9.7 μg/m3 (41) 50.0
 
June 19, 2021, 9 p.m. 2.1 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 55.0 ppb (51) N/A N/A 9.9 μg/m3 (42) 51.0
 
June 19, 2021, 8 p.m. 2.1 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 56.0 ppb (55) N/A N/A 9.4 μg/m3 (40) 55.0
 
June 19, 2021, 7 p.m. 2.1 ppb (2) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 57.0 ppb (58) N/A N/A 10.6 μg/m3 (45) 58.0
 
June 19, 2021, 6 p.m. 2.0 ppb (2) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 57.0 ppb (58) N/A N/A 10.8 μg/m3 (46) 58.0
 
June 19, 2021, 5 p.m. 2.7 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 56.0 ppb (55) N/A N/A 11.7 μg/m3 (49) 55.0
 
June 19, 2021, 4 p.m. 5.8 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 59.0 ppb (65) N/A N/A 13.6 μg/m3 (55) 65.0
 
June 19, 2021, 3 p.m. 7.6 ppb (8) 1.5 ppb (2) N/A 6.0 ppb (6) N/A N/A 47.0 ppb (44) N/A N/A 12.0 μg/m3 (50) 50.0
 
June 19, 2021, 2 p.m. 6.4 ppb (7) 1.2 ppb (2) N/A 5.0 ppb (5) N/A N/A 42.0 ppb (39) N/A N/A 11.7 μg/m3 (49) 49.0
 
June 19, 2021, 1 p.m. 1.5 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (46) N/A N/A 9.5 μg/m3 (40) 46.0
 
June 19, 2021, noon 1.5 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (46) N/A N/A 12.0 μg/m3 (50) 50.0
 
June 19, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 12.6 μg/m3 (53) 53.0
 
June 19, 2021, 10 a.m. 1.4 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (46) N/A N/A 12.2 μg/m3 (52) 52.0
 
June 19, 2021, 9 a.m. 1.4 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (48) N/A N/A 13.2 μg/m3 (54) 54.0
 
June 19, 2021, 8 a.m. 1.2 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 53.0 ppb (50) N/A N/A 13.5 μg/m3 (54) 54.0
 
June 19, 2021, 7 a.m. 9.2 ppb (9) 0.4 ppb (1) N/A 9.0 ppb (9) N/A N/A 39.0 ppb (37) N/A N/A 16.7 μg/m3 (61) 61.0
 
June 19, 2021, 6 a.m. 2.9 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 49.0 ppb (46) N/A N/A 14.1 μg/m3 (56) 56.0
 
June 19, 2021, 5 a.m. 4.2 ppb (4) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 50.0 ppb (47) N/A N/A 14.7 μg/m3 (57) 57.0
 
June 19, 2021, 4 a.m. 4.0 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 48.0 ppb (45) N/A N/A 16.4 μg/m3 (61) 61.0
 
June 19, 2021, 3 a.m. 6.0 ppb (6) 0.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 47.0 ppb (44) N/A N/A 16.6 μg/m3 (61) 61.0
 
June 19, 2021, 2 a.m. 5.4 ppb (6) 0.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 52.0 ppb (49) N/A N/A 17.9 μg/m3 (64) 64.0
 
June 19, 2021, 1 a.m. 5.7 ppb (6) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 59.0 ppb (65) N/A N/A 11.2 μg/m3 (47) 65.0
 
June 19, 2021, midnight 4.9 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 68.0 ppb (94) N/A N/A 11.8 μg/m3 (50) 94.0
 
June 18, 2021, 11 p.m. 3.9 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 68.0 ppb (94) N/A N/A 11.4 μg/m3 (48) 94.0
 
June 18, 2021, 10 p.m. 4.1 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 68.0 ppb (94) N/A N/A 11.2 μg/m3 (47) 94.0
 
June 18, 2021, 9 p.m. 3.9 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 66.0 ppb (87) N/A N/A 11.0 μg/m3 (46) 87.0
 
June 18, 2021, 8 p.m. 4.4 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 64.0 ppb (81) N/A N/A 12.5 μg/m3 (52) 81.0
 
June 18, 2021, 7 p.m. 6.2 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 72.0 ppb (102) N/A N/A 13.2 μg/m3 (54) 102.0
 
June 18, 2021, 6 p.m. 6.4 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 68.0 ppb (94) N/A N/A 12.3 μg/m3 (52) 94.0
 
June 18, 2021, 5 p.m. 5.7 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 58.0 ppb (61) N/A N/A 10.9 μg/m3 (46) 61.0
 
June 18, 2021, 4 p.m. 6.6 ppb (7) 1.4 ppb (2) N/A 6.0 ppb (6) N/A N/A 51.0 ppb (48) N/A N/A 9.5 μg/m3 (40) 48.0
 
June 18, 2021, 3 p.m. 11.6 ppb (11) 2.4 ppb (3) N/A 9.0 ppb (9) N/A N/A 44.0 ppb (41) N/A N/A 11.9 μg/m3 (50) 50.0
 
June 18, 2021, 2 p.m. 15.0 ppb (15) 3.5 ppb (4) N/A 12.0 ppb (12) N/A N/A 33.0 ppb (31) N/A N/A 16.4 μg/m3 (61) 61.0
 
June 18, 2021, 1 p.m. 31.1 ppb (30) 7.8 ppb (8) N/A 24.0 ppb (23) N/A N/A 17.0 ppb (16) N/A N/A 35.9 μg/m3 (102) 102.0
 
June 18, 2021, noon 16.0 ppb (16) 1.6 ppb (2) N/A 15.0 ppb (15) N/A N/A 22.0 ppb (21) N/A N/A 24.8 μg/m3 (78) 78.0
 
June 18, 2021, 11 a.m. 11.9 ppb (12) 0.5 ppb (1) N/A 12.0 ppb (12) N/A N/A N/A N/A N/A 19.8 μg/m3 (68) 68.0
 
June 18, 2021, 10 a.m. 6.6 ppb (7) 0.4 ppb (1) N/A 7.0 ppb (7) N/A N/A 36.0 ppb (34) N/A N/A 15.4 μg/m3 (58) 58.0
 
June 18, 2021, 9 a.m. 4.9 ppb (5) 0.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (34) N/A N/A 15.5 μg/m3 (59) 59.0
 
June 18, 2021, 8 a.m. 9.2 ppb (9) 0.4 ppb (1) N/A 9.0 ppb (9) N/A N/A 27.0 ppb (25) N/A N/A 18.9 μg/m3 (66) 66.0
 
June 18, 2021, 7 a.m. 7.0 ppb (7) 0.4 ppb (1) N/A 7.0 ppb (7) N/A N/A 31.0 ppb (29) N/A N/A 17.3 μg/m3 (62) 62.0
 
June 18, 2021, 6 a.m. 4.0 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (36) N/A N/A 13.5 μg/m3 (54) 54.0
 
June 18, 2021, 5 a.m. 2.8 ppb (3) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) N/A N/A 13.4 μg/m3 (54) 54.0
 
June 18, 2021, 4 a.m. 6.6 ppb (7) 0.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 39.0 ppb (37) N/A N/A 18.6 μg/m3 (65) 65.0
 
June 18, 2021, 3 a.m. 5.9 ppb (6) 0.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 46.0 ppb (43) N/A N/A 22.0 μg/m3 (72) 72.0
 
June 18, 2021, 2 a.m. 6.3 ppb (6) 0.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 59.0 ppb (65) N/A N/A 20.0 μg/m3 (68) 68.0
 
June 18, 2021, 1 a.m. 9.3 ppb (9) 0.7 ppb (1) N/A 9.0 ppb (9) N/A N/A 67.0 ppb (91) N/A N/A 9.0 μg/m3 (38) 91.0
 
June 18, 2021, midnight 6.5 ppb (7) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 76.0 ppb (104) N/A N/A 9.4 μg/m3 (40) 104.0
 
June 17, 2021, 11 p.m. 5.4 ppb (6) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 80.0 ppb (106) N/A N/A 9.8 μg/m3 (41) 106.0
 
June 17, 2021, 10 p.m. 4.5 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 73.0 ppb (103) N/A N/A 8.6 μg/m3 (36) 103.0
 
June 17, 2021, 9 p.m. 3.3 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 72.0 ppb (102) N/A N/A 8.9 μg/m3 (38) 102.0
 
June 17, 2021, 8 p.m. 4.3 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 76.0 ppb (104) N/A N/A 10.9 μg/m3 (46) 104.0
 
June 17, 2021, 7 p.m. 4.4 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 73.0 ppb (103) N/A N/A 13.1 μg/m3 (54) 103.0
 
June 17, 2021, 6 p.m. 7.5 ppb (8) 0.9 ppb (1) N/A 7.0 ppb (7) N/A N/A 73.0 ppb (103) N/A N/A 12.3 μg/m3 (52) 103.0
 
June 17, 2021, 5 p.m. 13.2 ppb (13) 2.4 ppb (3) N/A 11.0 ppb (11) N/A N/A 61.0 ppb (71) N/A N/A 13.1 μg/m3 (54) 71.0
 
June 17, 2021, 4 p.m. 12.2 ppb (12) 2.6 ppb (3) N/A 10.0 ppb (10) N/A N/A 51.0 ppb (48) N/A N/A 15.0 μg/m3 (58) 58.0
 
June 17, 2021, 3 p.m. 10.8 ppb (11) 2.4 ppb (3) N/A 9.0 ppb (9) N/A N/A 45.0 ppb (42) N/A N/A 10.3 μg/m3 (43) 43.0
 
June 17, 2021, 2 p.m. 32.1 ppb (31) 8.4 ppb (8) N/A 24.0 ppb (23) N/A N/A 27.0 ppb (25) N/A N/A 16.2 μg/m3 (60) 60.0
 
June 17, 2021, 1 p.m. 32.8 ppb (31) 7.1 ppb (7) N/A 26.0 ppb (25) N/A N/A 18.0 ppb (17) N/A N/A 18.4 μg/m3 (65) 65.0
 
June 17, 2021, noon 21.0 ppb (20) 1.9 ppb (2) N/A 19.0 ppb (18) N/A N/A 20.0 ppb (19) N/A N/A 16.3 μg/m3 (60) 60.0
 
June 17, 2021, 11 a.m. 8.8 ppb (9) 0.4 ppb (1) N/A 9.0 ppb (9) N/A N/A 30.0 ppb (28) N/A N/A 14.8 μg/m3 (57) 57.0
 
June 17, 2021, 10 a.m. 9.1 ppb (9) 0.4 ppb (1) N/A 9.0 ppb (9) N/A N/A 26.0 ppb (25) N/A N/A 17.4 μg/m3 (63) 63.0
 
June 17, 2021, 9 a.m. 3.5 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) N/A N/A 12.6 μg/m3 (53) 53.0
 
June 17, 2021, 8 a.m. 3.9 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) N/A N/A 15.3 μg/m3 (58) 58.0
 
June 17, 2021, 7 a.m. 3.6 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) N/A N/A 17.0 μg/m3 (62) 62.0
 
June 17, 2021, 6 a.m. 1.8 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (43) N/A N/A 15.1 μg/m3 (58) 58.0
 
June 17, 2021, 5 a.m. 2.2 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (43) N/A N/A 15.2 μg/m3 (58) 58.0
 
June 17, 2021, 4 a.m. 3.1 ppb (3) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (42) N/A N/A 15.2 μg/m3 (58) 58.0
 
June 17, 2021, 3 a.m. 3.1 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (41) N/A N/A 17.9 μg/m3 (64) 64.0
 
June 17, 2021, 2 a.m. 3.2 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 47.0 ppb (44) N/A N/A 14.6 μg/m3 (57) 57.0
 
June 17, 2021, 1 a.m. 6.9 ppb (7) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 50.0 ppb (47) N/A N/A 11.5 μg/m3 (48) 48.0
 
June 17, 2021, midnight 3.9 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 57.0 ppb (58) N/A N/A 10.6 μg/m3 (45) 58.0
 
June 16, 2021, 11 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 10.9 μg/m3 (46) 78.0
 
June 16, 2021, 10 p.m. 3.7 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 70.0 ppb (100) N/A N/A 11.7 μg/m3 (49) 100.0
 
June 16, 2021, 9 p.m. 4.2 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 69.0 ppb (97) N/A N/A 12.3 μg/m3 (52) 97.0
 
June 16, 2021, 8 p.m. 4.1 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 67.0 ppb (91) N/A N/A 11.0 μg/m3 (46) 91.0
 
June 16, 2021, 7 p.m. 4.8 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 62.0 ppb (74) N/A N/A 10.6 μg/m3 (45) 74.0
 
June 16, 2021, 6 p.m. 6.8 ppb (7) 1.3 ppb (2) N/A 6.0 ppb (6) N/A N/A 57.0 ppb (58) N/A N/A 16.0 μg/m3 (60) 60.0
 
June 16, 2021, 5 p.m. 7.9 ppb (8) 1.7 ppb (2) N/A 6.0 ppb (6) N/A N/A 50.0 ppb (47) N/A N/A 13.7 μg/m3 (55) 55.0
 
June 16, 2021, 4 p.m. 13.6 ppb (13) 3.3 ppb (4) N/A 11.0 ppb (11) N/A N/A 43.0 ppb (40) N/A N/A 13.1 μg/m3 (54) 54.0
 
June 16, 2021, 3 p.m. 11.4 ppb (11) 3.0 ppb (3) N/A 9.0 ppb (9) N/A N/A 37.0 ppb (35) N/A N/A 12.3 μg/m3 (52) 52.0
 
June 16, 2021, 2 p.m. 19.6 ppb (19) 5.2 ppb (5) N/A 15.0 ppb (15) N/A N/A 27.0 ppb (25) N/A N/A 15.6 μg/m3 (59) 59.0
 
June 16, 2021, 1 p.m. 37.6 ppb (36) 16.0 ppb (16) N/A 22.0 ppb (21) N/A N/A 11.0 ppb (11) N/A N/A 23.9 μg/m3 (76) 76.0
 
June 16, 2021, noon 15.3 ppb (15) 1.9 ppb (2) N/A 14.0 ppb (14) N/A N/A 14.0 ppb (13) N/A N/A 20.8 μg/m3 (70) 70.0
 
June 16, 2021, 11 a.m. 9.3 ppb (9) 0.4 ppb (1) N/A 9.0 ppb (9) N/A N/A 19.0 ppb (18) N/A N/A 12.9 μg/m3 (53) 53.0
 
June 16, 2021, 10 a.m. 10.2 ppb (10) 0.5 ppb (1) N/A 10.0 ppb (10) N/A N/A 20.0 ppb (19) N/A N/A 21.8 μg/m3 (72) 72.0
 
June 16, 2021, 9 a.m. 9.7 ppb (10) 0.4 ppb (1) N/A 9.0 ppb (9) N/A N/A 23.0 ppb (22) N/A N/A 12.9 μg/m3 (53) 53.0
 
June 16, 2021, 8 a.m. 14.3 ppb (14) 0.5 ppb (1) N/A 14.0 ppb (14) N/A N/A 19.0 ppb (18) N/A N/A 14.8 μg/m3 (57) 57.0
 
June 16, 2021, 7 a.m. 6.6 ppb (7) 0.4 ppb (1) N/A 7.0 ppb (7) N/A N/A 29.0 ppb (27) N/A N/A 13.8 μg/m3 (55) 55.0
 
June 16, 2021, 6 a.m. 6.6 ppb (7) 0.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (29) N/A N/A 17.3 μg/m3 (62) 62.0
 
June 16, 2021, 5 a.m. 4.3 ppb (5) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) N/A N/A 15.7 μg/m3 (59) 59.0
 
June 16, 2021, 4 a.m. 5.8 ppb (6) 0.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 37.0 ppb (35) N/A N/A 16.5 μg/m3 (61) 61.0
 
June 16, 2021, 3 a.m. 9.0 ppb (9) 0.3 ppb (1) N/A 9.0 ppb (9) N/A N/A 39.0 ppb (37) N/A N/A 20.0 μg/m3 (68) 68.0
 
June 16, 2021, 2 a.m. 9.6 ppb (10) 0.5 ppb (1) N/A 9.0 ppb (9) N/A N/A 41.0 ppb (38) N/A N/A 23.9 μg/m3 (76) 76.0
 
June 16, 2021, 1 a.m. 10.6 ppb (10) 0.9 ppb (1) N/A 10.0 ppb (10) N/A N/A 44.0 ppb (41) N/A N/A 23.6 μg/m3 (76) 76.0
 
June 16, 2021, midnight 8.3 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (8) N/A N/A 49.0 ppb (46) N/A N/A 22.2 μg/m3 (73) 73.0
 
June 15, 2021, 11 p.m. 5.5 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 52.0 ppb (49) N/A N/A 20.7 μg/m3 (70) 70.0
 
June 15, 2021, 10 p.m. 4.6 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 54.0 ppb (50) N/A N/A 20.2 μg/m3 (69) 69.0
 
June 15, 2021, 9 p.m. 4.7 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 55.0 ppb (51) N/A N/A 20.9 μg/m3 (70) 70.0
 
June 15, 2021, 8 p.m. 4.0 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 60.0 ppb (68) N/A N/A 23.6 μg/m3 (76) 76.0
 
June 15, 2021, 7 p.m. 4.6 ppb (5) 1.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 59.0 ppb (65) N/A N/A 24.2 μg/m3 (77) 77.0
 
June 15, 2021, 6 p.m. 3.5 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 55.0 ppb (51) N/A N/A 20.9 μg/m3 (70) 70.0
 
June 15, 2021, 5 p.m. 3.3 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 52.0 ppb (49) N/A N/A 18.1 μg/m3 (64) 64.0
 
June 15, 2021, 4 p.m. 3.7 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 50.0 ppb (47) N/A N/A 15.2 μg/m3 (58) 58.0
 
June 15, 2021, 3 p.m. 7.3 ppb (7) 1.4 ppb (2) N/A 6.0 ppb (6) N/A N/A 46.0 ppb (43) N/A N/A 14.9 μg/m3 (57) 57.0
 
June 15, 2021, 2 p.m. 59.0 ppb (57) 23.9 ppb (23) N/A 35.0 ppb (34) N/A N/A 15.0 ppb (14) N/A N/A 26.0 μg/m3 (81) 81.0
 
June 15, 2021, 1 p.m. 32.2 ppb (31) 13.1 ppb (13) N/A 19.0 ppb (18) N/A N/A 30.0 ppb (28) N/A N/A 20.1 μg/m3 (68) 68.0
 
June 15, 2021, noon 6.7 ppb (7) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 40.0 ppb (38) N/A N/A 17.9 μg/m3 (64) 64.0
 
June 15, 2021, 11 a.m. 3.8 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (39) N/A N/A 17.0 μg/m3 (62) 62.0
 
June 15, 2021, 10 a.m. 2.0 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) N/A N/A 16.4 μg/m3 (61) 61.0
 
June 15, 2021, 9 a.m. 1.8 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) N/A N/A 18.0 μg/m3 (64) 64.0
 
June 15, 2021, 8 a.m. 1.8 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) N/A N/A 19.5 μg/m3 (67) 67.0
 
June 15, 2021, 7 a.m. 1.7 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) N/A N/A 20.6 μg/m3 (69) 69.0
 
June 15, 2021, 6 a.m. 1.4 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A N/A 20.7 μg/m3 (70) 70.0
 
June 15, 2021, 5 a.m. 1.3 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A N/A 17.2 μg/m3 (62) 62.0
 
June 15, 2021, 4 a.m. 2.1 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) N/A N/A 13.4 μg/m3 (54) 54.0
 
June 15, 2021, 3 a.m. 3.0 ppb (3) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (36) N/A N/A 16.9 μg/m3 (62) 62.0
 
June 15, 2021, 2 a.m. 3.7 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) N/A N/A 28.8 μg/m3 (87) 87.0
 
June 15, 2021, 1 a.m. 3.1 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (39) N/A N/A 18.4 μg/m3 (65) 65.0
 
June 15, 2021, midnight 2.1 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (41) N/A N/A 17.6 μg/m3 (63) 63.0
 
June 14, 2021, 11 p.m. 1.8 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (42) N/A N/A 19.9 μg/m3 (68) 68.0
 
June 14, 2021, 10 p.m. 1.9 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (42) N/A N/A 22.2 μg/m3 (73) 73.0
 
June 14, 2021, 9 p.m. 2.0 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (42) N/A N/A 43.0 μg/m3 (120) 120.0
 
June 14, 2021, 8 p.m. 2.1 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (43) N/A N/A 34.3 μg/m3 (98) 98.0
 
June 14, 2021, 7 p.m. 2.1 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (47) N/A N/A 18.0 μg/m3 (64) 64.0
 
June 14, 2021, 6 p.m. 2.9 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (48) N/A N/A 4.2 μg/m3 (18) 48.0
 
June 14, 2021, 5 p.m. 4.1 ppb (4) 1.0 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
 
June 14, 2021, 4 p.m. 3.7 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (43) N/A N/A 4.0 μg/m3 (17) 43.0
 
June 14, 2021, 3 p.m. 2.0 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (41) N/A N/A 3.8 μg/m3 (16) 41.0
 
June 14, 2021, 2 p.m. 2.8 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) N/A N/A 5.1 μg/m3 (22) 39.0
 
June 14, 2021, 1 p.m. 2.3 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (41) N/A N/A 3.5 μg/m3 (15) 41.0
 
June 14, 2021, noon 2.9 ppb (3) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) N/A N/A 3.6 μg/m3 (16) 40.0
 
June 14, 2021, 11 a.m. 1.3 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) N/A N/A 3.2 μg/m3 (14) 40.0
 
June 14, 2021, 10 a.m. 0.9 ppb (1) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) N/A N/A 2.8 μg/m3 (12) 41.0
 
June 14, 2021, 9 a.m. 1.3 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A N/A 2.8 μg/m3 (12) 39.0
 
June 14, 2021, 8 a.m. 1.7 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) N/A N/A 3.8 μg/m3 (16) 38.0
 
June 14, 2021, 7 a.m. 2.7 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (38) N/A N/A 8.4 μg/m3 (36) 38.0
 
June 14, 2021, 6 a.m. 4.3 ppb (5) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (38) N/A N/A 9.9 μg/m3 (42) 42.0
 
June 14, 2021, 5 a.m. 4.1 ppb (4) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (41) N/A N/A 10.7 μg/m3 (45) 45.0
 
June 14, 2021, 4 a.m. 3.1 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 48.0 ppb (45) N/A N/A 9.0 μg/m3 (38) 45.0
 
June 14, 2021, 3 a.m. 3.9 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 46.0 ppb (43) N/A N/A 13.5 μg/m3 (54) 54.0
 
June 14, 2021, 2 a.m. 4.5 ppb (5) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 52.0 ppb (49) N/A N/A 13.2 μg/m3 (54) 54.0
 
June 14, 2021, 1 a.m. 4.7 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 57.0 ppb (58) N/A N/A 8.3 μg/m3 (35) 58.0
 
June 14, 2021, midnight 3.0 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 60.0 ppb (68) N/A N/A 8.4 μg/m3 (36) 68.0
 
June 13, 2021, 11 p.m. 3.2 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 51.0 ppb (48) N/A N/A 7.3 μg/m3 (31) 48.0
 
June 13, 2021, 10 p.m. 2.5 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (46) N/A N/A 9.0 μg/m3 (38) 46.0
 
June 13, 2021, 9 p.m. 3.0 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 52.0 ppb (49) N/A N/A 11.4 μg/m3 (48) 49.0