AQSQID: 490110004

Site Name: Bv

Location: Bountiful, UT

Reporting: True, Located: True

Current AQI: 50.0

Bountiful UT, US: 40.897999, -111.885498

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 22, 2019, 5 a.m. 9.0 ppb (8) 0.0 ppb (0) N/A 9.0 ppb (8) N/A N/A 46.0 ppb (35) N/A N/A 12.2 μg/m3 (50) 50.0
 
July 22, 2019, 4 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 52.0 ppb (40) N/A N/A 8.4 μg/m3 (35) 40.0
 
July 22, 2019, 3 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 54.0 ppb (42) N/A N/A 11.4 μg/m3 (48) 48.0
 
July 22, 2019, 2 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 56.0 ppb (43) N/A N/A 10.1 μg/m3 (42) 43.0
 
July 22, 2019, 1 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 59.0 ppb (45) N/A N/A 9.0 μg/m3 (38) 45.0
 
July 22, 2019, midnight 6.0 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 65.0 ppb (50) N/A N/A 6.2 μg/m3 (26) 50.0
 
July 21, 2019, 11 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 71.0 ppb (55) N/A N/A 5.5 μg/m3 (23) 55.0
 
July 21, 2019, 10 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 69.0 ppb (53) N/A N/A 5.1 μg/m3 (21) 53.0
 
July 21, 2019, 9 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 79.0 ppb (62) N/A N/A 5.7 μg/m3 (24) 62.0
 
July 21, 2019, 8 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 84.0 ppb (66) N/A N/A 16.0 μg/m3 (59) 66.0
 
July 21, 2019, 7 p.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 84.0 ppb (66) N/A N/A 7.6 μg/m3 (32) 66.0
 
July 21, 2019, 6 p.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 79.0 ppb (62) N/A N/A 7.5 μg/m3 (31) 62.0
 
July 21, 2019, 5 p.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 71.0 ppb (55) N/A N/A 8.0 μg/m3 (33) 55.0
 
July 21, 2019, 4 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 68.0 ppb (52) N/A N/A 9.9 μg/m3 (41) 52.0
 
July 21, 2019, 3 p.m. 8.0 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 54.0 ppb (42) N/A N/A 10.1 μg/m3 (42) 42.0
 
July 21, 2019, 2 p.m. 11.0 ppb (10) 2.0 ppb (2) N/A 9.0 ppb (8) N/A N/A 43.0 ppb (33) N/A N/A 10.3 μg/m3 (43) 43.0
 
July 21, 2019, 1 p.m. 18.0 ppb (17) 4.0 ppb (4) N/A 14.0 ppb (13) N/A N/A 29.0 ppb (22) N/A N/A 12.4 μg/m3 (51) 51.0
 
July 21, 2019, noon 9.0 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A N/A 27.0 ppb (21) N/A N/A 15.9 μg/m3 (58) 58.0
 
July 21, 2019, 11 a.m. 10.0 ppb (9) 0.0 ppb (0) N/A 10.0 ppb (9) N/A N/A 25.0 ppb (19) N/A N/A 11.5 μg/m3 (48) 48.0
 
July 21, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 10.3 μg/m3 (43) 43.0
 
July 21, 2019, 9 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (27) N/A N/A 8.9 μg/m3 (37) 37.0
 
July 21, 2019, 8 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) N/A N/A 7.7 μg/m3 (32) 32.0
 
July 21, 2019, 7 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) N/A N/A 8.5 μg/m3 (35) 35.0
 
July 21, 2019, 6 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) N/A N/A 7.6 μg/m3 (32) 32.0
 
July 21, 2019, 5 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) N/A N/A 7.1 μg/m3 (30) 31.0
 
July 21, 2019, 4 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) N/A N/A 7.0 μg/m3 (29) 31.0
 
July 21, 2019, 3 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 47.0 ppb (36) N/A N/A 8.3 μg/m3 (35) 36.0
 
July 21, 2019, 2 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 51.0 ppb (39) N/A N/A 15.8 μg/m3 (58) 58.0
 
July 21, 2019, 1 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A N/A 53.0 ppb (41) N/A N/A 11.3 μg/m3 (47) 47.0
 
July 21, 2019, midnight 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 57.0 ppb (44) N/A N/A 5.3 μg/m3 (22) 44.0
 
July 20, 2019, 11 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 60.0 ppb (46) N/A N/A 4.8 μg/m3 (20) 46.0
 
July 20, 2019, 10 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 59.0 ppb (45) N/A N/A 4.3 μg/m3 (18) 45.0
 
July 20, 2019, 9 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 57.0 ppb (44) N/A N/A 4.6 μg/m3 (19) 44.0
 
July 20, 2019, 8 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 67.0 ppb (52) N/A N/A 5.9 μg/m3 (25) 52.0
 
July 20, 2019, 7 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 64.0 ppb (49) N/A N/A 6.2 μg/m3 (26) 49.0
 
July 20, 2019, 6 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 67.0 ppb (52) N/A N/A 6.4 μg/m3 (27) 52.0
 
July 20, 2019, 5 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 63.0 ppb (48) N/A N/A 7.1 μg/m3 (30) 48.0
 
July 20, 2019, 4 p.m. 8.0 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 53.0 ppb (41) N/A N/A 8.1 μg/m3 (34) 41.0
 
July 20, 2019, 3 p.m. 16.0 ppb (15) 4.0 ppb (4) N/A 12.0 ppb (11) N/A N/A 42.0 ppb (32) N/A N/A 9.5 μg/m3 (40) 40.0
 
July 20, 2019, 2 p.m. 28.0 ppb (26) 8.0 ppb (7) N/A 20.0 ppb (19) N/A N/A 25.0 ppb (19) N/A N/A 11.6 μg/m3 (48) 48.0
 
July 20, 2019, 1 p.m. 11.0 ppb (10) 3.0 ppb (3) N/A 9.0 ppb (8) N/A N/A 28.0 ppb (22) N/A N/A 25.8 μg/m3 (79) 79.0
 
July 20, 2019, noon 8.0 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 25.0 ppb (19) N/A N/A 17.3 μg/m3 (61) 61.0
 
July 20, 2019, 11 a.m. 6.0 ppb (6) -2.0 ppb (0) N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) N/A N/A 8.9 μg/m3 (37) 37.0
 
July 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 9.5 μg/m3 (40) 40.0
 
July 20, 2019, 9 a.m. 8.0 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A N/A 22.0 ppb (17) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 20, 2019, 8 a.m. 9.0 ppb (8) 0.0 ppb (0) N/A 9.0 ppb (8) N/A N/A 20.0 ppb (15) N/A N/A 8.9 μg/m3 (37) 37.0
 
July 20, 2019, 7 a.m. 10.0 ppb (9) 0.0 ppb (0) N/A 10.0 ppb (9) N/A N/A 20.0 ppb (15) N/A N/A 9.1 μg/m3 (38) 38.0
 
July 20, 2019, 6 a.m. 12.0 ppb (11) 0.0 ppb (0) N/A 12.0 ppb (11) N/A N/A 18.0 ppb (14) N/A N/A 30.0 μg/m3 (88) 88.0
 
July 20, 2019, 5 a.m. 12.0 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A 31.0 ppb (24) N/A N/A 6.8 μg/m3 (28) 28.0
 
July 20, 2019, 4 a.m. 9.0 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (7) N/A N/A 36.0 ppb (28) N/A N/A 6.1 μg/m3 (25) 28.0
 
July 20, 2019, 3 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A N/A 40.0 ppb (31) N/A N/A 7.1 μg/m3 (30) 31.0
 
July 20, 2019, 2 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 45.0 ppb (35) N/A N/A 8.1 μg/m3 (34) 35.0
 
July 20, 2019, 1 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 46.0 ppb (35) N/A N/A 7.2 μg/m3 (30) 35.0
 
July 20, 2019, midnight 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 51.0 ppb (39) N/A N/A 4.3 μg/m3 (18) 39.0
 
July 19, 2019, 11 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 50.0 ppb (38) N/A N/A 4.3 μg/m3 (18) 38.0
 
July 19, 2019, 10 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A N/A 3.8 μg/m3 (16) 40.0
 
July 19, 2019, 9 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 56.0 ppb (43) N/A N/A 4.2 μg/m3 (18) 43.0
 
July 19, 2019, 8 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 59.0 ppb (45) N/A N/A 4.8 μg/m3 (20) 45.0
 
July 19, 2019, 7 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 67.0 ppb (52) N/A N/A 5.1 μg/m3 (21) 52.0
 
July 19, 2019, 6 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 64.0 ppb (49) N/A N/A 5.1 μg/m3 (21) 49.0
 
July 19, 2019, 5 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 60.0 ppb (46) N/A N/A 5.1 μg/m3 (21) 46.0
 
July 19, 2019, 4 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 55.0 ppb (42) N/A N/A 5.6 μg/m3 (23) 42.0
 
July 19, 2019, 3 p.m. 11.0 ppb (10) 2.0 ppb (2) N/A 8.0 ppb (7) N/A N/A 49.0 ppb (38) N/A N/A 5.7 μg/m3 (24) 38.0
 
July 19, 2019, 2 p.m. 14.0 ppb (13) 3.0 ppb (3) N/A 10.0 ppb (9) N/A N/A 42.0 ppb (32) N/A N/A 6.0 μg/m3 (25) 32.0
 
July 19, 2019, 1 p.m. 8.0 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 41.0 ppb (32) N/A N/A 4.9 μg/m3 (20) 32.0
 
July 19, 2019, noon 6.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 41.0 ppb (32) N/A N/A 9.3 μg/m3 (39) 39.0
 
July 19, 2019, 11 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 46.0 ppb (35) N/A N/A 4.8 μg/m3 (20) 35.0
 
July 19, 2019, 10 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 14.1 μg/m3 (54) 54.0
 
July 19, 2019, 9 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 44.0 ppb (34) N/A N/A 18.8 μg/m3 (64) 64.0
 
July 19, 2019, 8 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (39) N/A N/A 4.9 μg/m3 (20) 39.0
 
July 19, 2019, 7 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A N/A 5.1 μg/m3 (21) 38.0
 
July 19, 2019, 6 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (40) N/A N/A 6.5 μg/m3 (27) 40.0
 
July 19, 2019, 5 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (40) N/A N/A 6.3 μg/m3 (26) 40.0
 
July 19, 2019, 4 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (42) N/A N/A 6.8 μg/m3 (28) 42.0
 
July 19, 2019, 3 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 55.0 ppb (42) N/A N/A 5.5 μg/m3 (23) 42.0
 
July 19, 2019, 2 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 51.0 ppb (39) N/A N/A 8.0 μg/m3 (33) 39.0
 
July 19, 2019, 1 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 48.0 ppb (37) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 19, 2019, midnight 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 55.0 ppb (42) N/A N/A 4.6 μg/m3 (19) 42.0
 
July 18, 2019, 11 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (41) N/A N/A 4.4 μg/m3 (18) 41.0
 
July 18, 2019, 10 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) N/A N/A 4.4 μg/m3 (18) 39.0
 
July 18, 2019, 9 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 51.0 ppb (39) N/A N/A 4.7 μg/m3 (20) 39.0
 
July 18, 2019, 8 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 56.0 ppb (43) N/A N/A 6.3 μg/m3 (26) 43.0
 
July 18, 2019, 7 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 58.0 ppb (45) N/A N/A 8.3 μg/m3 (35) 45.0
 
July 18, 2019, 6 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 58.0 ppb (45) N/A N/A 7.7 μg/m3 (32) 45.0
 
July 18, 2019, 5 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 58.0 ppb (45) N/A N/A 7.4 μg/m3 (31) 45.0
 
July 18, 2019, 4 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 54.0 ppb (42) N/A N/A 7.8 μg/m3 (32) 42.0
 
July 18, 2019, 3 p.m. 10.0 ppb (9) 2.0 ppb (2) N/A 7.0 ppb (6) N/A N/A 49.0 ppb (38) N/A N/A 8.2 μg/m3 (34) 38.0
 
July 18, 2019, 2 p.m. 13.0 ppb (12) 3.0 ppb (3) N/A 10.0 ppb (9) N/A N/A 42.0 ppb (32) N/A N/A 6.3 μg/m3 (26) 32.0
 
July 18, 2019, 1 p.m. 30.0 ppb (28) 9.0 ppb (8) N/A 22.0 ppb (20) N/A N/A 29.0 ppb (22) N/A N/A 8.1 μg/m3 (34) 34.0
 
July 18, 2019, noon 12.0 ppb (11) 2.0 ppb (2) N/A 10.0 ppb (9) N/A N/A 38.0 ppb (29) N/A N/A 6.1 μg/m3 (25) 29.0
 
July 18, 2019, 11 a.m. 9.0 ppb (8) 0.0 ppb (0) N/A 9.0 ppb (8) N/A N/A 35.0 ppb (27) N/A N/A 6.1 μg/m3 (25) 27.0
 
July 18, 2019, 10 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (31) N/A N/A 6.0 μg/m3 (25) 31.0
 
July 18, 2019, 9 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (33) N/A N/A 6.0 μg/m3 (25) 33.0
 
July 18, 2019, 8 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) N/A N/A 5.7 μg/m3 (24) 35.0
 
July 18, 2019, 7 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A N/A 5.2 μg/m3 (22) 38.0
 
July 18, 2019, 6 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 43.0 ppb (33) N/A N/A 6.5 μg/m3 (27) 33.0
 
July 18, 2019, 5 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A N/A 6.0 μg/m3 (25) 38.0
 
July 18, 2019, 4 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (35) N/A N/A 7.6 μg/m3 (32) 35.0
 
July 18, 2019, 3 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 45.0 ppb (35) N/A N/A 9.4 μg/m3 (39) 39.0
 
July 18, 2019, 2 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 43.0 ppb (33) N/A N/A 9.2 μg/m3 (38) 38.0
 
July 18, 2019, 1 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (33) N/A N/A 7.8 μg/m3 (32) 33.0
 
July 18, 2019, midnight 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A N/A 4.2 μg/m3 (18) 40.0
 
July 17, 2019, 11 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) N/A N/A 4.5 μg/m3 (19) 39.0
 
July 17, 2019, 10 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 57.0 ppb (44) N/A N/A 4.8 μg/m3 (20) 44.0
 
July 17, 2019, 9 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 66.0 ppb (51) N/A N/A 5.5 μg/m3 (23) 51.0
 
July 17, 2019, 8 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 70.0 ppb (54) N/A N/A 6.0 μg/m3 (25) 54.0
 
July 17, 2019, 7 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 61.0 ppb (47) N/A N/A 5.5 μg/m3 (23) 47.0
 
July 17, 2019, 6 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 50.0 ppb (38) N/A N/A 4.3 μg/m3 (18) 38.0
 
July 17, 2019, 5 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 56.0 ppb (43) N/A N/A 50.0 μg/m3 (136) 136.0
 
July 17, 2019, 4 p.m. 8.0 ppb (7) 2.0 ppb (2) N/A 6.0 ppb (6) N/A N/A 51.0 ppb (39) N/A N/A 10.6 μg/m3 (44) 44.0
 
July 17, 2019, 3 p.m. 11.0 ppb (10) 3.0 ppb (3) N/A 8.0 ppb (7) N/A N/A 43.0 ppb (33) N/A N/A 9.8 μg/m3 (41) 41.0
 
July 17, 2019, 2 p.m. 19.0 ppb (18) 5.0 ppb (5) N/A 14.0 ppb (13) N/A N/A 36.0 ppb (28) N/A N/A 24.3 μg/m3 (76) 76.0
 
July 17, 2019, 1 p.m. 11.0 ppb (10) 3.0 ppb (3) N/A 8.0 ppb (7) N/A N/A 32.0 ppb (25) N/A N/A 12.2 μg/m3 (50) 50.0
 
July 17, 2019, noon 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) N/A N/A 11.5 μg/m3 (48) 48.0
 
July 17, 2019, 11 a.m. 11.0 ppb (10) 0.0 ppb (0) N/A 10.0 ppb (9) N/A N/A 25.0 ppb (19) N/A N/A 16.0 μg/m3 (59) 59.0
 
July 17, 2019, 10 a.m. 13.0 ppb (12) 0.0 ppb (0) N/A 13.0 ppb (12) N/A N/A 19.0 ppb (15) N/A N/A 12.4 μg/m3 (51) 51.0
 
July 17, 2019, 9 a.m. 8.0 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A N/A 26.0 ppb (20) N/A N/A 10.2 μg/m3 (42) 42.0
 
July 17, 2019, 8 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A N/A 28.0 ppb (22) N/A N/A 9.9 μg/m3 (41) 41.0
 
July 17, 2019, 7 a.m. 10.0 ppb (9) 0.0 ppb (0) N/A 10.0 ppb (9) N/A N/A 29.0 ppb (22) N/A N/A 10.4 μg/m3 (43) 43.0
 
July 17, 2019, 6 a.m. 12.0 ppb (11) 0.0 ppb (0) N/A 11.0 ppb (10) N/A N/A 23.0 ppb (18) N/A N/A 23.3 μg/m3 (74) 74.0
 
July 17, 2019, 5 a.m. 9.0 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (7) N/A N/A 28.0 ppb (22) N/A N/A 9.5 μg/m3 (40) 40.0
 
July 17, 2019, 4 a.m. 12.0 ppb (11) 0.0 ppb (0) N/A 12.0 ppb (11) N/A N/A 28.0 ppb (22) N/A N/A 8.1 μg/m3 (34) 34.0
 
July 17, 2019, 3 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (31) N/A N/A 6.0 μg/m3 (25) 31.0
 
July 17, 2019, 2 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 41.0 ppb (32) N/A N/A 6.2 μg/m3 (26) 32.0
 
July 17, 2019, 1 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 43.0 ppb (33) N/A N/A 7.8 μg/m3 (32) 33.0
 
July 17, 2019, midnight 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 50.0 ppb (38) N/A N/A 4.5 μg/m3 (19) 38.0
 
July 16, 2019, 11 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 56.0 ppb (43) N/A N/A 5.0 μg/m3 (21) 43.0
 
July 16, 2019, 10 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 66.0 ppb (51) N/A N/A 5.6 μg/m3 (23) 51.0
 
July 16, 2019, 9 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 68.0 ppb (52) N/A N/A 5.8 μg/m3 (24) 52.0
 
July 16, 2019, 8 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 67.0 ppb (52) N/A N/A 6.4 μg/m3 (27) 52.0
 
July 16, 2019, 7 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 66.0 ppb (51) N/A N/A 6.6 μg/m3 (28) 51.0
 
July 16, 2019, 6 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 67.0 ppb (52) N/A N/A 7.9 μg/m3 (33) 52.0
 
July 16, 2019, 5 p.m. 8.0 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 61.0 ppb (47) N/A N/A 7.6 μg/m3 (32) 47.0
 
July 16, 2019, 4 p.m. 16.0 ppb (15) 3.0 ppb (3) N/A 13.0 ppb (12) N/A N/A 61.0 ppb (47) N/A N/A 10.1 μg/m3 (42) 47.0
 
July 16, 2019, 3 p.m. 25.0 ppb (23) 5.0 ppb (5) N/A 20.0 ppb (19) N/A N/A 51.0 ppb (39) N/A N/A 13.1 μg/m3 (52) 52.0
 
July 16, 2019, 2 p.m. 14.0 ppb (13) 3.0 ppb (3) N/A 11.0 ppb (10) N/A N/A 42.0 ppb (32) N/A N/A 10.3 μg/m3 (43) 43.0
 
July 16, 2019, 1 p.m. 10.0 ppb (9) 2.0 ppb (2) N/A 8.0 ppb (7) N/A N/A 30.0 ppb (23) N/A N/A 8.3 μg/m3 (35) 35.0
 
July 16, 2019, noon 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (23) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 16, 2019, 11 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) N/A N/A 5.5 μg/m3 (23) 25.0
 
July 16, 2019, 10 a.m. 8.0 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A N/A 24.0 ppb (18) N/A N/A 6.9 μg/m3 (29) 29.0
 
July 16, 2019, 9 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) N/A N/A 6.3 μg/m3 (26) 26.0
 
July 16, 2019, 8 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (18) N/A N/A 6.3 μg/m3 (26) 26.0
 
July 16, 2019, 7 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (24) N/A N/A 4.8 μg/m3 (20) 24.0
 
July 16, 2019, 6 a.m. 14.0 ppb (13) 0.0 ppb (0) N/A 13.0 ppb (12) N/A N/A 18.0 ppb (14) N/A N/A 6.2 μg/m3 (26) 26.0
 
July 16, 2019, 5 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (23) N/A N/A 5.6 μg/m3 (23) 23.0
 
July 16, 2019, 4 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) N/A N/A 4.4 μg/m3 (18) 31.0
 
July 16, 2019, 3 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) N/A N/A 7.2 μg/m3 (30) 30.0
 
July 16, 2019, 2 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (28) N/A N/A 9.5 μg/m3 (40) 40.0
 
July 16, 2019, 1 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (31) N/A N/A 6.3 μg/m3 (26) 31.0
 
July 16, 2019, midnight 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (34) N/A N/A 4.0 μg/m3 (17) 34.0
 
July 15, 2019, 11 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) N/A N/A 3.9 μg/m3 (16) 36.0
 
July 15, 2019, 10 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A 4.1 μg/m3 (17) 35.0
 
July 15, 2019, 9 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) N/A N/A 4.5 μg/m3 (19) 36.0
 
July 15, 2019, 8 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 54.0 ppb (42) N/A N/A 5.1 μg/m3 (21) 42.0
 
July 15, 2019, 7 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 71.0 ppb (55) N/A N/A 6.6 μg/m3 (28) 55.0
 
July 15, 2019, 6 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 69.0 ppb (53) N/A N/A 7.2 μg/m3 (30) 53.0
 
July 15, 2019, 5 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 63.0 ppb (48) N/A N/A 7.4 μg/m3 (31) 48.0
 
July 15, 2019, 4 p.m. 11.0 ppb (10) 2.0 ppb (2) N/A 9.0 ppb (8) N/A N/A 53.0 ppb (41) N/A N/A 8.0 μg/m3 (33) 41.0
 
July 15, 2019, 3 p.m. 20.0 ppb (19) 5.0 ppb (5) N/A 15.0 ppb (14) N/A N/A 42.0 ppb (32) N/A N/A 8.9 μg/m3 (37) 37.0
 
July 15, 2019, 2 p.m. 27.0 ppb (25) 10.0 ppb (9) N/A 17.0 ppb (16) N/A N/A 26.0 ppb (20) N/A N/A 8.2 μg/m3 (34) 34.0
 
July 15, 2019, 1 p.m. 8.0 ppb (7) 2.0 ppb (2) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (23) N/A N/A 5.8 μg/m3 (24) 24.0
 
July 15, 2019, noon 14.0 ppb (13) 2.0 ppb (2) N/A 11.0 ppb (10) N/A N/A 22.0 ppb (17) N/A N/A 6.5 μg/m3 (27) 27.0
 
July 15, 2019, 11 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) N/A N/A 5.3 μg/m3 (22) 26.0
 
July 15, 2019, 10 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) N/A N/A 6.0 μg/m3 (25) 27.0
 
July 15, 2019, 9 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (22) N/A N/A 7.9 μg/m3 (33) 33.0
 
July 15, 2019, 8 a.m. 11.0 ppb (10) 0.0 ppb (0) N/A 10.0 ppb (9) N/A N/A 21.0 ppb (16) N/A N/A 7.9 μg/m3 (33) 33.0
 
July 15, 2019, 7 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (23) N/A N/A 6.5 μg/m3 (27) 27.0
 
July 15, 2019, 6 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (25) N/A N/A 11.5 μg/m3 (48) 48.0