ID: 2975

AQSQID: 060010015

Site Name: Pleasanton - Owens Ct.

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

Updated: July 11, 2020, 7:35 p.m.

Location: Pleasanton (Dougherty), CA

Reporting: True, Located: True

Current AQI: 29.0

Pleasanton (Dougherty) CA, US: 37.701222, -121.903019

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 11, 2020, 6 p.m. 20.3 ppb (19) 5.8 ppb (5) N/A 15.0 ppb (14) N/A N/A N/A 0.68 ppb (8) N/A 7.0 μg/m3 (29) 29.0
 
July 11, 2020, 5 p.m. 14.6 ppb (14) 3.7 ppb (3) N/A 11.0 ppb (10) N/A N/A N/A 0.47 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
July 11, 2020, 4 p.m. 13.5 ppb (12) 3.9 ppb (4) N/A 10.0 ppb (9) N/A N/A N/A 0.39 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
July 11, 2020, 3 p.m. 12.5 ppb (12) 4.2 ppb (4) N/A 8.0 ppb (7) N/A N/A N/A 0.36 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
July 11, 2020, 2 p.m. 28.6 ppb (26) 15.2 ppb (14) N/A 13.0 ppb (12) N/A N/A N/A 0.57 ppb (6) N/A 5.0 μg/m3 (21) 26.0
 
July 11, 2020, 1 p.m. 31.3 ppb (29) 17.7 ppb (16) N/A 14.0 ppb (13) N/A N/A N/A 0.56 ppb (6) N/A 5.0 μg/m3 (21) 29.0
 
July 11, 2020, noon 15.8 ppb (15) 3.8 ppb (4) N/A 12.0 ppb (11) N/A N/A N/A 0.35 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
July 11, 2020, 11 a.m. 27.1 ppb (25) 11.6 ppb (11) N/A 16.0 ppb (15) N/A N/A N/A 0.34 ppb (4) N/A 5.0 μg/m3 (21) 25.0
 
July 11, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
July 11, 2020, 9 a.m. 18.2 ppb (17) 6.0 ppb (6) N/A 12.0 ppb (11) N/A N/A N/A 0.37 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
July 11, 2020, 8 a.m. 16.6 ppb (15) 5.2 ppb (5) N/A 12.0 ppb (11) N/A N/A N/A 0.42 ppb (5) N/A 3.0 μg/m3 (12) 15.0
 
July 11, 2020, 7 a.m. 14.3 ppb (13) 2.7 ppb (3) N/A 12.0 ppb (11) N/A N/A N/A 0.4 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
July 11, 2020, 6 a.m. 18.3 ppb (17) 3.0 ppb (3) N/A 15.0 ppb (14) N/A N/A N/A 0.44 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
July 11, 2020, 5 a.m. 18.1 ppb (17) 2.1 ppb (2) N/A 16.0 ppb (15) N/A N/A N/A 0.48 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
July 11, 2020, 4 a.m. 16.9 ppb (16) 1.5 ppb (1) N/A 15.0 ppb (14) N/A N/A N/A 0.47 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
July 11, 2020, 3 a.m. 18.3 ppb (17) 3.2 ppb (3) N/A 15.0 ppb (14) N/A N/A N/A 0.52 ppb (6) N/A 4.0 μg/m3 (17) 17.0
 
July 11, 2020, 2 a.m. 28.3 ppb (26) 10.2 ppb (9) N/A 18.0 ppb (17) N/A N/A N/A 0.83 ppb (9) N/A 2.0 μg/m3 (8) 26.0
 
July 11, 2020, 1 a.m. 27.6 ppb (26) 10.5 ppb (10) N/A 17.0 ppb (16) N/A N/A N/A 0.89 ppb (10) N/A 3.0 μg/m3 (12) 26.0
 
July 11, 2020, midnight 26.5 ppb (25) 10.2 ppb (9) N/A 16.0 ppb (15) N/A N/A N/A 0.91 ppb (10) N/A 3.0 μg/m3 (12) 25.0
 
July 10, 2020, 11 p.m. 23.7 ppb (22) 8.4 ppb (8) N/A 15.0 ppb (14) N/A N/A N/A 0.56 ppb (6) N/A 5.0 μg/m3 (21) 22.0
 
July 10, 2020, 10 p.m. 34.4 ppb (32) 14.7 ppb (14) N/A 20.0 ppb (19) N/A N/A N/A 0.59 ppb (7) N/A 6.0 μg/m3 (25) 32.0
 
July 10, 2020, 9 p.m. 30.9 ppb (29) 13.6 ppb (13) N/A 17.0 ppb (16) N/A N/A N/A 0.54 ppb (6) N/A 5.0 μg/m3 (21) 29.0
 
July 10, 2020, 8 p.m. 36.4 ppb (34) 16.7 ppb (15) N/A 20.0 ppb (19) N/A N/A N/A 0.63 ppb (7) N/A 6.0 μg/m3 (25) 34.0
 
July 10, 2020, 7 p.m. 40.5 ppb (38) 20.9 ppb (19) N/A 20.0 ppb (19) N/A N/A N/A 0.65 ppb (7) N/A 5.0 μg/m3 (21) 38.0
 
July 10, 2020, 6 p.m. 44.1 ppb (41) 24.7 ppb (23) N/A 20.0 ppb (19) N/A N/A N/A 0.6 ppb (7) N/A 9.0 μg/m3 (38) 41.0
 
July 10, 2020, 5 p.m. 29.2 ppb (27) 15.6 ppb (14) N/A 14.0 ppb (13) N/A N/A N/A 0.51 ppb (6) N/A 8.0 μg/m3 (33) 33.0
 
July 10, 2020, 4 p.m. 25.8 ppb (24) 14.4 ppb (13) N/A 12.0 ppb (11) N/A N/A N/A 0.45 ppb (5) N/A 5.0 μg/m3 (21) 24.0
 
July 10, 2020, 3 p.m. 33.9 ppb (31) 20.2 ppb (19) N/A 14.0 ppb (13) N/A N/A N/A 0.51 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
July 10, 2020, 2 p.m. 65.4 ppb (62) 46.2 ppb (43) N/A 19.0 ppb (18) N/A N/A N/A 0.76 ppb (8) N/A 9.0 μg/m3 (38) 62.0
 
July 10, 2020, 1 p.m. 53.3 ppb (49) 36.0 ppb (33) N/A 17.0 ppb (16) N/A N/A N/A 0.65 ppb (7) N/A 10.0 μg/m3 (42) 49.0
 
July 10, 2020, noon 50.5 ppb (47) 33.1 ppb (31) N/A 17.0 ppb (16) N/A N/A N/A 0.56 ppb (6) N/A 9.0 μg/m3 (38) 47.0
 
July 10, 2020, 11 a.m. 27.6 ppb (26) 15.1 ppb (14) N/A 13.0 ppb (12) N/A N/A N/A 0.39 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
July 10, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
July 10, 2020, 9 a.m. 8.4 ppb (8) 1.1 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.3 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
July 10, 2020, 8 a.m. 10.1 ppb (9) 1.8 ppb (2) N/A 8.0 ppb (7) N/A N/A N/A 0.32 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
July 10, 2020, 7 a.m. 13.2 ppb (12) 2.0 ppb (2) N/A 11.0 ppb (10) N/A N/A N/A 0.33 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
July 10, 2020, 6 a.m. 14.7 ppb (14) 1.8 ppb (2) N/A 13.0 ppb (12) N/A N/A N/A 0.41 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
July 10, 2020, 5 a.m. 16.3 ppb (15) 1.8 ppb (2) N/A 14.0 ppb (13) N/A N/A N/A 0.45 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
July 10, 2020, 4 a.m. 11.6 ppb (11) 0.7 ppb (1) N/A 11.0 ppb (10) N/A N/A N/A 0.43 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
July 10, 2020, 3 a.m. 11.3 ppb (10) 2.0 ppb (2) N/A 9.0 ppb (8) N/A N/A N/A 0.47 ppb (5) N/A 14.0 μg/m3 (54) 54.0
 
July 10, 2020, 2 a.m. 22.3 ppb (21) 8.0 ppb (7) N/A 14.0 ppb (13) N/A N/A N/A 0.68 ppb (8) N/A 10.0 μg/m3 (42) 42.0
 
July 10, 2020, 1 a.m. 14.3 ppb (13) 4.6 ppb (4) N/A 10.0 ppb (9) N/A N/A N/A 0.63 ppb (7) N/A 12.0 μg/m3 (50) 50.0
 
July 10, 2020, midnight 13.6 ppb (13) 3.8 ppb (4) N/A 10.0 ppb (9) N/A N/A N/A 0.54 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
July 9, 2020, 11 p.m. 17.4 ppb (16) 4.6 ppb (4) N/A 13.0 ppb (12) N/A N/A N/A 0.52 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
July 9, 2020, 10 p.m. 19.3 ppb (18) 4.3 ppb (4) N/A 15.0 ppb (14) N/A N/A N/A 0.58 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
July 9, 2020, 9 p.m. 20.1 ppb (19) 4.8 ppb (4) N/A 15.0 ppb (14) N/A N/A N/A 0.55 ppb (6) N/A 13.0 μg/m3 (52) 52.0
 
July 9, 2020, 8 p.m. 28.1 ppb (26) 8.0 ppb (7) N/A 20.0 ppb (19) N/A N/A N/A 0.69 ppb (8) N/A 12.0 μg/m3 (50) 50.0
 
July 9, 2020, 7 p.m. 34.5 ppb (32) 12.7 ppb (12) N/A 22.0 ppb (20) N/A N/A N/A 0.64 ppb (7) N/A 10.0 μg/m3 (42) 42.0
 
July 9, 2020, 6 p.m. 29.1 ppb (27) 12.0 ppb (11) N/A 17.0 ppb (16) N/A N/A N/A 0.55 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
July 9, 2020, 5 p.m. 19.6 ppb (18) 8.1 ppb (8) N/A 12.0 ppb (11) N/A N/A N/A 0.42 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
July 9, 2020, 4 p.m. 20.7 ppb (19) 9.9 ppb (9) N/A 11.0 ppb (10) N/A N/A N/A 0.45 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
July 9, 2020, 3 p.m. 37.1 ppb (34) 21.2 ppb (20) N/A 16.0 ppb (15) N/A N/A N/A 0.56 ppb (6) N/A 13.0 μg/m3 (52) 52.0
 
July 9, 2020, 2 p.m. 18.5 ppb (17) 9.0 ppb (8) N/A 10.0 ppb (9) N/A N/A N/A 0.43 ppb (5) N/A 17.0 μg/m3 (61) 61.0
 
July 9, 2020, 1 p.m. 26.1 ppb (24) 13.3 ppb (12) N/A 13.0 ppb (12) N/A N/A N/A 0.47 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
July 9, 2020, noon 34.8 ppb (32) 17.6 ppb (16) N/A 17.0 ppb (16) N/A N/A N/A 0.54 ppb (6) N/A 7.0 μg/m3 (29) 32.0
 
July 9, 2020, 11 a.m. 6.1 ppb (6) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.32 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
July 9, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
July 9, 2020, 9 a.m. 8.9 ppb (8) 3.0 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.31 ppb (3) N/A 13.0 μg/m3 (52) 52.0
 
July 9, 2020, 8 a.m. 9.0 ppb (8) 2.8 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.31 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
July 9, 2020, 7 a.m. 8.0 ppb (7) 2.4 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.32 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
July 9, 2020, 6 a.m. 10.2 ppb (9) 4.1 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A 0.33 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
July 9, 2020, 5 a.m. 13.4 ppb (12) 5.5 ppb (5) N/A 8.0 ppb (7) N/A N/A N/A 0.38 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
July 9, 2020, 4 a.m. 11.9 ppb (11) 4.4 ppb (4) N/A 8.0 ppb (7) N/A N/A N/A 0.36 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
July 9, 2020, 3 a.m. 15.5 ppb (14) 7.3 ppb (7) N/A 8.0 ppb (7) N/A N/A N/A 0.47 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
July 9, 2020, 2 a.m. 17.3 ppb (16) 8.1 ppb (8) N/A 9.0 ppb (8) N/A N/A N/A 0.57 ppb (6) N/A 8.0 μg/m3 (33) 33.0
 
July 9, 2020, 1 a.m. 18.7 ppb (17) 8.6 ppb (8) N/A 10.0 ppb (9) N/A N/A N/A 0.63 ppb (7) N/A 9.0 μg/m3 (38) 38.0
 
July 9, 2020, midnight 11.9 ppb (11) 4.1 ppb (4) N/A 8.0 ppb (7) N/A N/A N/A 0.47 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
July 8, 2020, 11 p.m. 10.7 ppb (10) 3.3 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A 0.41 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
July 8, 2020, 10 p.m. 22.5 ppb (21) 7.1 ppb (7) N/A 15.0 ppb (14) N/A N/A N/A 0.59 ppb (7) N/A 11.0 μg/m3 (46) 46.0
 
July 8, 2020, 9 p.m. 23.5 ppb (22) 6.2 ppb (6) N/A 17.0 ppb (16) N/A N/A N/A 0.57 ppb (6) N/A 18.0 μg/m3 (63) 63.0
 
July 8, 2020, 8 p.m. 21.9 ppb (20) 6.2 ppb (6) N/A 16.0 ppb (15) N/A N/A N/A 0.55 ppb (6) N/A 7.0 μg/m3 (29) 29.0
 
July 8, 2020, 7 p.m. 32.9 ppb (30) 10.7 ppb (10) N/A 22.0 ppb (20) N/A N/A N/A 0.67 ppb (7) N/A 15.0 μg/m3 (56) 56.0
 
July 8, 2020, 6 p.m. 16.7 ppb (15) 5.0 ppb (5) N/A 12.0 ppb (11) N/A N/A N/A 0.46 ppb (5) N/A 13.0 μg/m3 (52) 52.0
 
July 8, 2020, 5 p.m. 18.6 ppb (17) 7.1 ppb (7) N/A 11.0 ppb (10) N/A N/A N/A 0.46 ppb (5) N/A N/A 17.0
 
July 8, 2020, 4 p.m. 18.7 ppb (17) 8.6 ppb (8) N/A 10.0 ppb (9) N/A N/A N/A 0.42 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
July 8, 2020, 3 p.m. 16.4 ppb (15) 7.9 ppb (7) N/A 9.0 ppb (8) N/A N/A N/A 0.43 ppb (5) N/A 17.0 μg/m3 (61) 61.0
 
July 8, 2020, 2 p.m. 14.3 ppb (13) 6.6 ppb (6) N/A 8.0 ppb (7) N/A N/A N/A 0.44 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
July 8, 2020, 1 p.m. 21.1 ppb (20) 9.9 ppb (9) N/A 11.0 ppb (10) N/A N/A N/A 0.43 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
July 8, 2020, noon 41.7 ppb (39) 25.8 ppb (24) N/A 16.0 ppb (15) N/A N/A N/A 0.47 ppb (5) N/A 9.0 μg/m3 (38) 39.0
 
July 8, 2020, 11 a.m. 20.0 ppb (19) 8.5 ppb (8) N/A 12.0 ppb (11) N/A N/A N/A 0.38 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
July 8, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
July 8, 2020, 9 a.m. 6.7 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.29 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
July 8, 2020, 8 a.m. 8.8 ppb (8) 1.7 ppb (2) N/A 7.0 ppb (6) N/A N/A N/A 0.29 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
July 8, 2020, 7 a.m. 9.0 ppb (8) 3.2 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.32 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
July 8, 2020, 6 a.m. 12.4 ppb (11) 4.6 ppb (4) N/A 8.0 ppb (7) N/A N/A N/A 0.3 ppb (3) N/A 14.0 μg/m3 (54) 54.0
 
July 8, 2020, 5 a.m. 11.5 ppb (11) 3.0 ppb (3) N/A 9.0 ppb (8) N/A N/A N/A 0.37 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
July 8, 2020, 4 a.m. 8.9 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (7) N/A N/A N/A 0.35 ppb (4) N/A 16.0 μg/m3 (59) 59.0
 
July 8, 2020, 3 a.m. 18.0 ppb (17) 5.3 ppb (5) N/A 13.0 ppb (12) N/A N/A N/A 0.49 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
July 8, 2020, 2 a.m. 14.3 ppb (13) 4.4 ppb (4) N/A 10.0 ppb (9) N/A N/A N/A 0.53 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
July 8, 2020, 1 a.m. 6.8 ppb (6) 1.3 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.38 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
July 8, 2020, midnight 6.4 ppb (6) 1.3 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.4 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
July 7, 2020, 11 p.m. 10.1 ppb (9) 1.9 ppb (2) N/A 8.0 ppb (7) N/A N/A N/A 0.43 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
July 7, 2020, 10 p.m. 12.3 ppb (11) 2.2 ppb (2) N/A 10.0 ppb (9) N/A N/A N/A 0.46 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
July 7, 2020, 9 p.m. 14.9 ppb (14) 3.4 ppb (3) N/A 12.0 ppb (11) N/A N/A N/A 0.46 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
July 7, 2020, 8 p.m. 13.9 ppb (13) 3.8 ppb (4) N/A 10.0 ppb (9) N/A N/A N/A 0.42 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
July 7, 2020, 7 p.m. 27.3 ppb (25) 9.8 ppb (9) N/A 18.0 ppb (17) N/A N/A N/A 0.53 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
July 7, 2020, 6 p.m. 25.1 ppb (23) 9.4 ppb (9) N/A 16.0 ppb (15) N/A N/A N/A 0.49 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
July 7, 2020, 5 p.m. 29.1 ppb (27) 13.4 ppb (12) N/A 16.0 ppb (15) N/A N/A N/A 0.48 ppb (5) N/A 6.0 μg/m3 (25) 27.0
 
July 7, 2020, 4 p.m. 37.1 ppb (34) 18.0 ppb (17) N/A 19.0 ppb (18) N/A N/A N/A 0.5 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
July 7, 2020, 3 p.m. 35.3 ppb (33) 17.3 ppb (16) N/A 18.0 ppb (17) N/A N/A N/A 0.54 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
July 7, 2020, 2 p.m. 36.4 ppb (34) 17.6 ppb (16) N/A 19.0 ppb (18) N/A N/A N/A 0.6 ppb (7) N/A 11.0 μg/m3 (46) 46.0
 
July 7, 2020, 1 p.m. 33.0 ppb (31) 12.4 ppb (11) N/A 21.0 ppb (19) N/A N/A N/A 0.58 ppb (6) N/A 19.0 μg/m3 (65) 65.0
 
July 7, 2020, noon 27.8 ppb (26) 10.0 ppb (9) N/A 18.0 ppb (17) N/A N/A N/A 0.48 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
July 7, 2020, 11 a.m. 10.3 ppb (10) 2.3 ppb (2) N/A 8.0 ppb (7) N/A N/A N/A 0.35 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
July 7, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
July 7, 2020, 9 a.m. 1.8 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
July 7, 2020, 8 a.m. 1.3 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.29 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
July 7, 2020, 7 a.m. 1.6 ppb (1) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.28 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
July 7, 2020, 6 a.m. 2.3 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.28 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
July 7, 2020, 5 a.m. 6.0 ppb (6) 1.6 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.29 ppb (3) N/A 13.0 μg/m3 (52) 52.0
 
July 7, 2020, 4 a.m. 7.9 ppb (7) 2.2 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.3 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
July 7, 2020, 3 a.m. 10.3 ppb (10) 3.7 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A 0.32 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
July 7, 2020, 2 a.m. 4.2 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.27 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
July 7, 2020, 1 a.m. 5.0 ppb (5) 1.6 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.31 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
July 7, 2020, midnight 6.7 ppb (6) 2.3 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.4 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
July 6, 2020, 11 p.m. 3.2 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
July 6, 2020, 10 p.m. 2.7 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.28 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
July 6, 2020, 9 p.m. 3.7 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.29 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
July 6, 2020, 8 p.m. 14.8 ppb (14) 5.8 ppb (5) N/A 9.0 ppb (8) N/A N/A N/A 0.41 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
July 6, 2020, 7 p.m. 21.4 ppb (20) 8.9 ppb (8) N/A 13.0 ppb (12) N/A N/A N/A 0.45 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
July 6, 2020, 6 p.m. 23.8 ppb (22) 10.0 ppb (9) N/A 14.0 ppb (13) N/A N/A N/A 0.41 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
July 6, 2020, 5 p.m. 22.8 ppb (21) 10.2 ppb (9) N/A 13.0 ppb (12) N/A N/A N/A 0.38 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
July 6, 2020, 4 p.m. 26.6 ppb (25) 12.2 ppb (11) N/A 14.0 ppb (13) N/A N/A N/A 0.44 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
July 6, 2020, 3 p.m. 30.9 ppb (29) 15.0 ppb (14) N/A 16.0 ppb (15) N/A N/A N/A 0.51 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
July 6, 2020, 2 p.m. 34.3 ppb (32) 17.5 ppb (16) N/A 17.0 ppb (16) N/A N/A N/A 0.57 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
July 6, 2020, 1 p.m. 28.0 ppb (26) 12.9 ppb (12) N/A 15.0 ppb (14) N/A N/A N/A 0.52 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
July 6, 2020, noon 26.1 ppb (24) 11.2 ppb (10) N/A 15.0 ppb (14) N/A N/A N/A 0.45 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
July 6, 2020, 11 a.m. 12.5 ppb (12) 2.6 ppb (2) N/A 10.0 ppb (9) N/A N/A N/A 0.36 ppb (4) N/A 15.0 μg/m3 (56) 56.0
 
July 6, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
July 6, 2020, 9 a.m. 5.9 ppb (5) 1.5 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.31 ppb (3) N/A 13.0 μg/m3 (52) 52.0
 
July 6, 2020, 8 a.m. 5.3 ppb (5) 1.3 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.31 ppb (3) N/A 13.0 μg/m3 (52) 52.0
 
July 6, 2020, 7 a.m. 6.5 ppb (6) 1.3 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.3 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
July 6, 2020, 6 a.m. 7.9 ppb (7) 2.4 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.34 ppb (4) N/A 15.0 μg/m3 (56) 56.0
 
July 6, 2020, 5 a.m. 9.2 ppb (9) 2.5 ppb (2) N/A 7.0 ppb (6) N/A N/A N/A 0.37 ppb (4) N/A 13.0 μg/m3 (52) 52.0
 
July 6, 2020, 4 a.m. 9.9 ppb (9) 2.8 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A 0.38 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
July 6, 2020, 3 a.m. 9.5 ppb (9) 3.0 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A 0.46 ppb (5) N/A 13.0 μg/m3 (52) 52.0
 
July 6, 2020, 2 a.m. 9.9 ppb (9) 3.6 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.49 ppb (5) N/A 14.0 μg/m3 (54) 54.0
 
July 6, 2020, 1 a.m. 10.0 ppb (9) 3.3 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A 0.52 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
July 6, 2020, midnight 10.1 ppb (9) 3.1 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A 0.58 ppb (6) N/A 14.0 μg/m3 (54) 54.0
 
July 5, 2020, 11 p.m. 8.5 ppb (8) 2.0 ppb (2) N/A 7.0 ppb (6) N/A N/A N/A 0.49 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
July 5, 2020, 10 p.m. 8.7 ppb (8) 1.9 ppb (2) N/A 7.0 ppb (6) N/A N/A N/A 0.47 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
July 5, 2020, 9 p.m. 8.7 ppb (8) 2.0 ppb (2) N/A 7.0 ppb (6) N/A N/A N/A 0.49 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
July 5, 2020, 8 p.m. 10.8 ppb (10) 3.0 ppb (3) N/A 8.0 ppb (7) N/A N/A N/A 0.54 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
July 5, 2020, 7 p.m. 11.0 ppb (10) 3.0 ppb (3) N/A 8.0 ppb (7) N/A N/A N/A 0.58 ppb (6) N/A 8.0 μg/m3 (33) 33.0
 
July 5, 2020, 6 p.m. 10.4 ppb (10) 2.8 ppb (3) N/A 8.0 ppb (7) N/A N/A N/A 0.58 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
July 5, 2020, 5 p.m. 10.7 ppb (10) 2.9 ppb (3) N/A 8.0 ppb (7) N/A N/A N/A 0.47 ppb (5) N/A 17.0 μg/m3 (61) 61.0
 
July 5, 2020, 4 p.m. 8.7 ppb (8) 2.3 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.39 ppb (4) N/A 22.0 μg/m3 (71) 71.0
 
July 5, 2020, 3 p.m. 8.3 ppb (8) 2.1 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.35 ppb (4) N/A 21.0 μg/m3 (69) 69.0
 
July 5, 2020, 2 p.m. 9.2 ppb (9) 2.2 ppb (2) N/A 7.0 ppb (6) N/A N/A N/A 0.36 ppb (4) N/A 27.0 μg/m3 (82) 82.0
 
July 5, 2020, 1 p.m. 14.1 ppb (13) 4.0 ppb (4) N/A 10.0 ppb (9) N/A N/A N/A 0.47 ppb (5) N/A 36.0 μg/m3 (101) 101.0
 
July 5, 2020, noon 9.0 ppb (8) 1.4 ppb (1) N/A 8.0 ppb (7) N/A N/A N/A 0.35 ppb (4) N/A 40.0 μg/m3 (111) 111.0
 
July 5, 2020, 11 a.m. 7.7 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.32 ppb (4) N/A 48.0 μg/m3 (131) 131.0
 
July 5, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (109) 109.0
 
July 5, 2020, 9 a.m. 4.7 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.27 ppb (3) N/A 22.0 μg/m3 (71) 71.0
 
July 5, 2020, 8 a.m. 6.8 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.33 ppb (4) N/A 54.0 μg/m3 (146) 146.0
 
July 5, 2020, 7 a.m. 8.4 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A N/A 0.37 ppb (4) N/A 64.0 μg/m3 (154) 154.0
 
July 5, 2020, 6 a.m. 7.9 ppb (7) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A N/A 0.41 ppb (5) N/A 40.0 μg/m3 (111) 111.0
 
July 5, 2020, 5 a.m. 7.1 ppb (7) 0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A 20.0 μg/m3 (67) 67.0
 
July 5, 2020, 4 a.m. 6.4 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.43 ppb (5) N/A 23.0 μg/m3 (73) 73.0
 
July 5, 2020, 3 a.m. 9.0 ppb (8) 1.5 ppb (1) N/A 8.0 ppb (7) N/A N/A N/A 0.5 ppb (6) N/A 15.0 μg/m3 (56) 56.0
 
July 5, 2020, 2 a.m. 9.8 ppb (9) 2.3 ppb (2) N/A 7.0 ppb (6) N/A N/A N/A 0.61 ppb (7) N/A 15.0 μg/m3 (56) 56.0
 
July 5, 2020, 1 a.m. 5.5 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.47 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
July 5, 2020, midnight 5.5 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.44 ppb (5) N/A 13.0 μg/m3 (52) 52.0
 
July 4, 2020, 11 p.m. 7.6 ppb (7) 0.9 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.54 ppb (6) N/A 16.0 μg/m3 (59) 59.0
 
July 4, 2020, 10 p.m. 6.0 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.52 ppb (6) N/A 14.0 μg/m3 (54) 54.0
 
July 4, 2020, 9 p.m. 7.0 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.53 ppb (6) N/A 15.0 μg/m3 (56) 56.0
 
July 4, 2020, 8 p.m. 7.6 ppb (7) 1.2 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.51 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
July 4, 2020, 7 p.m. 11.1 ppb (10) 2.4 ppb (2) N/A 9.0 ppb (8) N/A N/A N/A 0.66 ppb (7) N/A 11.0 μg/m3 (46) 46.0