AQSQID: 060831008

Site Name: Santa Maria - Broadway

Location: Santa Maria (S McClelland St), CA

Reporting: True, Located: True

Current AQI: 15.0

Santa Maria (S McClelland St) CA, US: 34.9481, -120.4344

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 18, 2019, 4 a.m. 5.3 ppb (5) 2.3 ppb (2) N/A 3.0 ppb (3) N/A N/A 20.0 ppb (15) 0.1 ppb (1) 17.0 μg/m3 (15) 2.0 μg/m3 (8) 15.0
 
July 18, 2019, 3 a.m. 6.7 ppb (6) 2.8 ppb (3) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) 0.11 ppb (1) 18.0 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
July 18, 2019, 2 a.m. 5.4 ppb (5) 2.9 ppb (3) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (16) 0.11 ppb (1) 15.0 μg/m3 (14) 4.0 μg/m3 (17) 17.0
 
July 18, 2019, 1 a.m. 4.3 ppb (4) 2.4 ppb (2) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) 0.1 ppb (1) 16.0 μg/m3 (15) 2.0 μg/m3 (8) 17.0
 
July 18, 2019, midnight 5.7 ppb (5) 3.1 ppb (3) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (17) 0.12 ppb (1) 25.0 μg/m3 (23) 4.0 μg/m3 (17) 23.0
 
July 17, 2019, 11 p.m. 5.3 ppb (5) 3.0 ppb (3) N/A 2.0 ppb (2) N/A N/A 23.0 ppb (18) 0.11 ppb (1) 24.0 μg/m3 (22) 6.0 μg/m3 (25) 25.0
 
July 17, 2019, 10 p.m. 6.4 ppb (6) 3.5 ppb (3) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (18) 0.11 ppb (1) 30.0 μg/m3 (27) 5.0 μg/m3 (21) 27.0
 
July 17, 2019, 9 p.m. 4.8 ppb (4) 2.8 ppb (3) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) 0.09 ppb (1) 26.0 μg/m3 (24) 4.0 μg/m3 (17) 24.0
 
July 17, 2019, 8 p.m. 5.5 ppb (5) 2.7 ppb (3) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) 0.11 ppb (1) 35.0 μg/m3 (32) 5.0 μg/m3 (21) 32.0
 
July 17, 2019, 7 p.m. 5.7 ppb (5) 2.8 ppb (3) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) 0.11 ppb (1) 37.0 μg/m3 (34) 9.0 μg/m3 (38) 38.0
 
July 17, 2019, 6 p.m. 8.9 ppb (8) 4.0 ppb (4) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) 0.12 ppb (1) 42.0 μg/m3 (38) 11.0 μg/m3 (46) 46.0
 
July 17, 2019, 5 p.m. 4.3 ppb (4) 2.4 ppb (2) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) 0.1 ppb (1) 23.0 μg/m3 (21) 5.0 μg/m3 (21) 21.0
 
July 17, 2019, 4 p.m. 5.5 ppb (5) 3.4 ppb (3) N/A 2.0 ppb (2) N/A N/A 19.0 ppb (15) 0.1 ppb (1) 20.0 μg/m3 (18) 4.0 μg/m3 (17) 18.0
 
July 17, 2019, 3 p.m. 4.2 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 18.0 ppb (14) 0.1 ppb (1) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
July 17, 2019, 2 p.m. 5.9 ppb (5) 2.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 18.0 ppb (14) 0.1 ppb (1) 20.0 μg/m3 (18) 4.0 μg/m3 (17) 18.0
 
July 17, 2019, 1 p.m. 4.6 ppb (4) 1.7 ppb (2) N/A 3.0 ppb (3) N/A N/A 20.0 ppb (15) 0.11 ppb (1) 19.0 μg/m3 (17) 5.0 μg/m3 (21) 21.0
 
July 17, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 6.0 μg/m3 (25) 25.0
 
July 17, 2019, 11 a.m. 1.2 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 19.0 ppb (15) 0.07 ppb (1) 17.0 μg/m3 (15) 3.0 μg/m3 (12) 15.0
 
July 17, 2019, 10 a.m. 1.4 ppb (1) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 19.0 ppb (15) 0.06 ppb (1) 20.0 μg/m3 (18) 5.0 μg/m3 (21) 21.0
 
July 17, 2019, 9 a.m. 4.3 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 16.0 ppb (12) 0.08 ppb (1) 28.0 μg/m3 (25) 8.0 μg/m3 (33) 33.0
 
July 17, 2019, 8 a.m. 6.2 ppb (6) 1.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 13.0 ppb (10) 0.1 ppb (1) 27.0 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
July 17, 2019, 7 a.m. 4.3 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 16.0 ppb (12) 0.09 ppb (1) 28.0 μg/m3 (25) 5.0 μg/m3 (21) 25.0
 
July 17, 2019, 6 a.m. 4.6 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 19.0 ppb (15) 0.09 ppb (1) 27.0 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
July 17, 2019, 5 a.m. 6.5 ppb (6) 1.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 18.0 ppb (14) 0.1 ppb (1) 27.0 μg/m3 (25) 8.0 μg/m3 (33) 33.0
 
July 17, 2019, 4 a.m. 5.5 ppb (5) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) 0.09 ppb (1) 30.0 μg/m3 (27) 8.0 μg/m3 (33) 33.0
 
July 17, 2019, 3 a.m. 5.3 ppb (5) 1.8 ppb (2) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) 0.1 ppb (1) 29.0 μg/m3 (26) 7.0 μg/m3 (29) 29.0
 
July 17, 2019, 2 a.m. 4.3 ppb (4) 1.9 ppb (2) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) 0.08 ppb (1) 23.0 μg/m3 (21) 8.0 μg/m3 (33) 33.0
 
July 17, 2019, 1 a.m. 4.7 ppb (4) 2.6 ppb (2) N/A 2.0 ppb (2) N/A N/A 23.0 ppb (18) 0.08 ppb (1) 21.0 μg/m3 (19) 4.0 μg/m3 (17) 19.0
 
July 17, 2019, midnight 6.7 ppb (6) 3.8 ppb (4) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (16) 0.1 ppb (1) 31.0 μg/m3 (28) 5.0 μg/m3 (21) 28.0
 
July 16, 2019, 11 p.m. 5.7 ppb (5) 3.2 ppb (3) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (16) 0.09 ppb (1) 33.0 μg/m3 (30) 4.0 μg/m3 (17) 30.0
 
July 16, 2019, 10 p.m. 5.1 ppb (5) 3.0 ppb (3) N/A 2.0 ppb (2) N/A N/A 20.0 ppb (15) 0.07 ppb (1) 31.0 μg/m3 (28) 2.0 μg/m3 (8) 28.0
 
July 16, 2019, 9 p.m. 5.5 ppb (5) 3.4 ppb (3) N/A 2.0 ppb (2) N/A N/A 16.0 ppb (12) 0.08 ppb (1) 39.0 μg/m3 (35) 2.0 μg/m3 (8) 35.0
 
July 16, 2019, 8 p.m. 4.4 ppb (4) 2.9 ppb (3) N/A 2.0 ppb (2) N/A N/A 15.0 ppb (12) 0.08 ppb (1) 28.0 μg/m3 (25) 1.0 μg/m3 (4) 25.0
 
July 16, 2019, 7 p.m. 5.1 ppb (5) 3.2 ppb (3) N/A 2.0 ppb (2) N/A N/A 14.0 ppb (11) 0.09 ppb (1) 30.0 μg/m3 (27) 0.0 μg/m3 (0) 27.0
 
July 16, 2019, 6 p.m. 5.0 ppb (5) 3.2 ppb (3) N/A 2.0 ppb (2) N/A N/A 14.0 ppb (11) 0.08 ppb (1) 24.0 μg/m3 (22) -1.0 μg/m3 (0) 22.0
 
July 16, 2019, 5 p.m. 6.1 ppb (6) 4.2 ppb (4) N/A 2.0 ppb (2) N/A N/A 13.0 ppb (10) 0.09 ppb (1) 15.0 μg/m3 (14) 2.0 μg/m3 (8) 14.0
 
July 16, 2019, 4 p.m. 6.9 ppb (6) 4.0 ppb (4) N/A 3.0 ppb (3) N/A N/A 11.0 ppb (8) 0.09 ppb (1) 19.0 μg/m3 (17) 3.0 μg/m3 (12) 17.0
 
July 16, 2019, 3 p.m. 6.9 ppb (6) 3.8 ppb (4) N/A 3.0 ppb (3) N/A N/A 9.0 ppb (7) 0.1 ppb (1) 14.0 μg/m3 (13) -1.0 μg/m3 (0) 13.0
 
July 16, 2019, 2 p.m. 9.9 ppb (9) 5.7 ppb (5) N/A 4.0 ppb (4) N/A N/A 9.0 ppb (7) 0.1 ppb (1) 5.0 μg/m3 (5) -2.0 μg/m3 (0) 9.0
 
July 16, 2019, 1 p.m. 5.8 ppb (5) 2.6 ppb (2) N/A 3.0 ppb (3) N/A N/A 10.0 ppb (8) 0.11 ppb (1) 7.0 μg/m3 (6) 0.0 μg/m3 (0) 8.0
 
July 16, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) -1.0 μg/m3 (0) 9.0
 
July 16, 2019, 11 a.m. 3.8 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 10.0 ppb (8) 0.07 ppb (1) 9.0 μg/m3 (8) N/A 8.0
 
July 16, 2019, 10 a.m. 3.4 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 10.0 ppb (8) 0.07 ppb (1) 11.0 μg/m3 (10) -1.0 μg/m3 (0) 10.0
 
July 16, 2019, 9 a.m. 3.2 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 9.0 ppb (7) 0.06 ppb (1) 22.0 μg/m3 (20) 2.0 μg/m3 (8) 20.0
 
July 16, 2019, 8 a.m. 7.8 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A N/A 6.0 ppb (5) 0.08 ppb (1) 20.0 μg/m3 (18) 3.0 μg/m3 (12) 18.0
 
July 16, 2019, 7 a.m. 3.7 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 9.0 ppb (7) 0.08 ppb (1) 22.0 μg/m3 (20) 5.0 μg/m3 (21) 21.0
 
July 16, 2019, 6 a.m. 3.8 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 11.0 ppb (8) 0.07 ppb (1) 19.0 μg/m3 (17) 5.0 μg/m3 (21) 21.0
 
July 16, 2019, 5 a.m. 6.0 ppb (6) 2.3 ppb (2) N/A 4.0 ppb (4) N/A N/A 11.0 ppb (8) 0.09 ppb (1) 23.0 μg/m3 (21) 4.0 μg/m3 (17) 21.0
 
July 16, 2019, 4 a.m. 4.8 ppb (4) 2.0 ppb (2) N/A 3.0 ppb (3) N/A N/A 11.0 ppb (8) 0.09 ppb (1) 24.0 μg/m3 (22) 6.0 μg/m3 (25) 25.0
 
July 16, 2019, 3 a.m. 4.9 ppb (5) 2.5 ppb (2) N/A 2.0 ppb (2) N/A N/A 12.0 ppb (9) 0.08 ppb (1) 28.0 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
July 16, 2019, 2 a.m. 5.0 ppb (5) 2.6 ppb (2) N/A 2.0 ppb (2) N/A N/A 15.0 ppb (12) 0.09 ppb (1) 39.0 μg/m3 (35) 8.0 μg/m3 (33) 35.0
 
July 16, 2019, 1 a.m. 4.7 ppb (4) 2.6 ppb (2) N/A 2.0 ppb (2) N/A N/A 17.0 ppb (13) 0.09 ppb (1) 55.0 μg/m3 (50) 9.0 μg/m3 (38) 50.0
 
July 16, 2019, midnight 4.9 ppb (5) 2.4 ppb (2) N/A 3.0 ppb (3) N/A N/A 19.0 ppb (15) 0.09 ppb (1) 111.0 μg/m3 (78) 10.0 μg/m3 (42) 78.0
 
July 15, 2019, 11 p.m. 6.2 ppb (6) 3.4 ppb (3) N/A 3.0 ppb (3) N/A N/A 20.0 ppb (15) 0.09 ppb (1) 151.0 μg/m3 (98) 16.0 μg/m3 (59) 98.0
 
July 15, 2019, 10 p.m. 7.2 ppb (7) 3.9 ppb (4) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (16) 0.09 ppb (1) 80.0 μg/m3 (62) 11.0 μg/m3 (46) 62.0
 
July 15, 2019, 9 p.m. 5.6 ppb (5) 2.8 ppb (3) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (18) 0.09 ppb (1) 72.0 μg/m3 (58) 11.0 μg/m3 (46) 58.0
 
July 15, 2019, 8 p.m. 6.7 ppb (6) 3.2 ppb (3) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (18) 0.1 ppb (1) 53.0 μg/m3 (48) 10.0 μg/m3 (42) 48.0
 
July 15, 2019, 7 p.m. 6.4 ppb (6) 3.0 ppb (3) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) 0.1 ppb (1) 58.0 μg/m3 (52) 9.0 μg/m3 (38) 52.0
 
July 15, 2019, 6 p.m. 7.7 ppb (7) 3.6 ppb (3) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) 0.1 ppb (1) 67.0 μg/m3 (56) 10.0 μg/m3 (42) 56.0
 
July 15, 2019, 5 p.m. 11.1 ppb (10) 5.3 ppb (5) N/A 6.0 ppb (6) N/A N/A 18.0 ppb (14) 0.13 ppb (1) 64.0 μg/m3 (54) 7.0 μg/m3 (29) 54.0
 
July 15, 2019, 4 p.m. 17.1 ppb (16) 8.5 ppb (8) N/A 9.0 ppb (8) N/A N/A 15.0 ppb (12) 0.18 ppb (2) 47.0 μg/m3 (43) 7.0 μg/m3 (29) 43.0
 
July 15, 2019, 3 p.m. 28.1 ppb (26) 15.2 ppb (14) N/A 13.0 ppb (12) N/A N/A 9.0 ppb (7) 0.24 ppb (3) 64.0 μg/m3 (54) 9.0 μg/m3 (38) 54.0
 
July 15, 2019, 2 p.m. 39.5 ppb (37) 26.7 ppb (25) N/A 13.0 ppb (12) N/A N/A 4.0 ppb (3) 0.3 ppb (3) 65.0 μg/m3 (55) 10.0 μg/m3 (42) 55.0
 
July 15, 2019, 1 p.m. 41.3 ppb (38) 29.0 ppb (27) N/A 12.0 ppb (11) N/A N/A 1.0 ppb (1) 0.6 ppb (7) 54.0 μg/m3 (49) 10.0 μg/m3 (42) 49.0
 
July 15, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 11.0 μg/m3 (46) 46.0
 
July 15, 2019, 11 a.m. 13.3 ppb (12) 2.6 ppb (2) N/A 11.0 ppb (10) N/A N/A 5.0 ppb (4) 0.14 ppb (2) 22.0 μg/m3 (20) 7.0 μg/m3 (29) 29.0
 
July 15, 2019, 10 a.m. 7.9 ppb (7) 1.4 ppb (1) N/A 7.0 ppb (6) N/A N/A 9.0 ppb (7) 0.11 ppb (1) 23.0 μg/m3 (21) 5.0 μg/m3 (21) 21.0
 
July 15, 2019, 9 a.m. 9.9 ppb (9) 1.3 ppb (1) N/A 9.0 ppb (8) N/A N/A 8.0 ppb (6) 0.13 ppb (1) 21.0 μg/m3 (19) 3.0 μg/m3 (12) 19.0
 
July 15, 2019, 8 a.m. 13.2 ppb (12) 1.3 ppb (1) N/A 12.0 ppb (11) N/A N/A 7.0 ppb (5) 0.13 ppb (1) 24.0 μg/m3 (22) 4.0 μg/m3 (17) 22.0
 
July 15, 2019, 7 a.m. 4.8 ppb (4) 1.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 15.0 ppb (12) 0.11 ppb (1) 17.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
July 15, 2019, 6 a.m. 6.6 ppb (6) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 15.0 ppb (12) 0.15 ppb (2) 19.0 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
July 15, 2019, 5 a.m. 9.6 ppb (9) 1.3 ppb (1) N/A 8.0 ppb (7) N/A N/A 14.0 ppb (11) 0.16 ppb (2) 21.0 μg/m3 (19) 8.0 μg/m3 (33) 33.0
 
July 15, 2019, 4 a.m. 7.3 ppb (7) 2.5 ppb (2) N/A 5.0 ppb (5) N/A N/A 19.0 ppb (15) 0.15 ppb (2) 17.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
July 15, 2019, 3 a.m. 5.3 ppb (5) 2.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (16) 0.13 ppb (1) 17.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
July 15, 2019, 2 a.m. 4.3 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A N/A 23.0 ppb (18) 0.11 ppb (1) 12.0 μg/m3 (11) 7.0 μg/m3 (29) 29.0
 
July 15, 2019, 1 a.m. 5.0 ppb (5) 2.6 ppb (2) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) 0.12 ppb (1) 15.0 μg/m3 (14) 4.0 μg/m3 (17) 20.0
 
July 15, 2019, midnight 5.0 ppb (5) 2.8 ppb (3) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) 0.1 ppb (1) 16.0 μg/m3 (15) 2.0 μg/m3 (8) 18.0
 
July 14, 2019, 11 p.m. 4.7 ppb (4) 2.6 ppb (2) N/A 2.0 ppb (2) N/A N/A 21.0 ppb (16) 0.11 ppb (1) 17.0 μg/m3 (15) 0.0 μg/m3 (0) 16.0
 
July 14, 2019, 10 p.m. 5.9 ppb (5) 3.4 ppb (3) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (16) 0.12 ppb (1) 14.0 μg/m3 (13) 0.0 μg/m3 (0) 16.0
 
July 14, 2019, 9 p.m. 6.1 ppb (6) 3.0 ppb (3) N/A 3.0 ppb (3) N/A N/A 20.0 ppb (15) 0.1 ppb (1) 21.0 μg/m3 (19) 1.0 μg/m3 (4) 19.0
 
July 14, 2019, 8 p.m. 6.2 ppb (6) 3.2 ppb (3) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (18) 0.1 ppb (1) 16.0 μg/m3 (15) 1.0 μg/m3 (4) 18.0
 
July 14, 2019, 7 p.m. 5.6 ppb (5) 2.8 ppb (3) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (18) 0.1 ppb (1) 14.0 μg/m3 (13) 1.0 μg/m3 (4) 18.0
 
July 14, 2019, 6 p.m. 5.3 ppb (5) 2.7 ppb (3) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (16) 0.1 ppb (1) 15.0 μg/m3 (14) 4.0 μg/m3 (17) 17.0
 
July 14, 2019, 5 p.m. 6.5 ppb (6) 2.9 ppb (3) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) 0.12 ppb (1) 24.0 μg/m3 (22) 8.0 μg/m3 (33) 33.0
 
July 14, 2019, 4 p.m. 7.6 ppb (7) 3.9 ppb (4) N/A 4.0 ppb (4) N/A N/A 16.0 ppb (12) 0.13 ppb (1) 16.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
July 14, 2019, 3 p.m. 9.8 ppb (9) 5.4 ppb (5) N/A 4.0 ppb (4) N/A N/A 10.0 ppb (8) 0.17 ppb (2) 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
July 14, 2019, 2 p.m. 6.4 ppb (6) 3.1 ppb (3) N/A 3.0 ppb (3) N/A N/A 8.0 ppb (6) 0.14 ppb (2) 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
July 14, 2019, 1 p.m. 5.4 ppb (5) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A 7.0 ppb (5) 0.14 ppb (2) 16.0 μg/m3 (15) 1.0 μg/m3 (4) 15.0
 
July 14, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) -1.0 μg/m3 (0) 9.0
 
July 14, 2019, 11 a.m. 3.7 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 7.0 ppb (5) 0.09 ppb (1) 8.0 μg/m3 (7) 1.0 μg/m3 (4) 7.0
 
July 14, 2019, 10 a.m. 2.6 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 10.0 ppb (8) 0.08 ppb (1) 8.0 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
July 14, 2019, 9 a.m. 3.2 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 11.0 ppb (8) 0.07 ppb (1) 12.0 μg/m3 (11) 3.0 μg/m3 (12) 12.0
 
July 14, 2019, 8 a.m. 4.5 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 14.0 ppb (11) 0.09 ppb (1) 10.0 μg/m3 (9) 2.0 μg/m3 (8) 11.0
 
July 14, 2019, 7 a.m. 5.9 ppb (5) 1.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 14.0 ppb (11) 0.11 ppb (1) 11.0 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
July 14, 2019, 6 a.m. 7.3 ppb (7) 1.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 14.0 ppb (11) 0.13 ppb (1) 18.0 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
July 14, 2019, 5 a.m. 3.3 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 18.0 ppb (14) 0.08 ppb (1) 8.0 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
July 14, 2019, 4 a.m. 6.6 ppb (6) 3.4 ppb (3) N/A 3.0 ppb (3) N/A N/A 18.0 ppb (14) 0.12 ppb (1) 17.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
July 14, 2019, 3 a.m. 6.8 ppb (6) 3.7 ppb (3) N/A 3.0 ppb (3) N/A N/A 16.0 ppb (12) 0.13 ppb (1) 19.0 μg/m3 (17) 7.0 μg/m3 (29) 29.0
 
July 14, 2019, 2 a.m. 7.2 ppb (7) 3.6 ppb (3) N/A 4.0 ppb (4) N/A N/A 19.0 ppb (15) 0.14 ppb (2) 21.0 μg/m3 (19) 8.0 μg/m3 (33) 33.0
 
July 14, 2019, 1 a.m. 6.2 ppb (6) 3.8 ppb (4) N/A 3.0 ppb (3) N/A N/A 18.0 ppb (14) 0.12 ppb (1) 18.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
July 14, 2019, midnight 6.5 ppb (6) 3.8 ppb (4) N/A 3.0 ppb (3) N/A N/A 18.0 ppb (14) 0.12 ppb (1) 17.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
July 13, 2019, 11 p.m. 6.4 ppb (6) 3.7 ppb (3) N/A 3.0 ppb (3) N/A N/A 19.0 ppb (15) 0.13 ppb (1) 20.0 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
July 13, 2019, 10 p.m. 6.8 ppb (6) 3.5 ppb (3) N/A 3.0 ppb (3) N/A N/A 18.0 ppb (14) 0.11 ppb (1) 22.0 μg/m3 (20) 6.0 μg/m3 (25) 25.0
 
July 13, 2019, 9 p.m. 6.0 ppb (6) 3.3 ppb (3) N/A 3.0 ppb (3) N/A N/A 18.0 ppb (14) 0.11 ppb (1) 30.0 μg/m3 (27) 3.0 μg/m3 (12) 27.0
 
July 13, 2019, 8 p.m. 6.0 ppb (6) 3.2 ppb (3) N/A 3.0 ppb (3) N/A N/A 20.0 ppb (15) 0.1 ppb (1) 26.0 μg/m3 (24) 2.0 μg/m3 (8) 24.0
 
July 13, 2019, 7 p.m. 6.1 ppb (6) 3.0 ppb (3) N/A 3.0 ppb (3) N/A N/A 19.0 ppb (15) 0.13 ppb (1) 25.0 μg/m3 (23) 5.0 μg/m3 (21) 23.0
 
July 13, 2019, 6 p.m. 7.9 ppb (7) 4.3 ppb (4) N/A 4.0 ppb (4) N/A N/A 19.0 ppb (15) 0.13 ppb (1) 27.0 μg/m3 (25) 4.0 μg/m3 (17) 25.0
 
July 13, 2019, 5 p.m. 10.0 ppb (9) 5.7 ppb (5) N/A 4.0 ppb (4) N/A N/A 15.0 ppb (12) 0.14 ppb (2) 32.0 μg/m3 (29) 2.0 μg/m3 (8) 29.0
 
July 13, 2019, 4 p.m. 10.3 ppb (10) 6.4 ppb (6) N/A 4.0 ppb (4) N/A N/A 11.0 ppb (8) 0.13 ppb (1) 28.0 μg/m3 (25) 5.0 μg/m3 (21) 25.0
 
July 13, 2019, 3 p.m. 12.6 ppb (12) 7.3 ppb (7) N/A 5.0 ppb (5) N/A N/A 8.0 ppb (6) 0.17 ppb (2) 34.0 μg/m3 (31) 7.0 μg/m3 (29) 31.0
 
July 13, 2019, 2 p.m. 8.5 ppb (8) 3.4 ppb (3) N/A 5.0 ppb (5) N/A N/A 6.0 ppb (5) 0.13 ppb (1) 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
July 13, 2019, 1 p.m. 7.2 ppb (7) 1.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 6.0 ppb (5) 0.12 ppb (1) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
July 13, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 5.0 μg/m3 (21) 21.0
 
July 13, 2019, 11 a.m. 2.8 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 13.0 ppb (10) 0.09 ppb (1) 14.0 μg/m3 (13) 7.0 μg/m3 (29) 29.0
 
July 13, 2019, 10 a.m. 2.6 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 14.0 ppb (11) 0.08 ppb (1) 12.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
July 13, 2019, 9 a.m. 2.4 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 13.0 ppb (10) 0.07 ppb (1) 17.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
July 13, 2019, 8 a.m. 4.8 ppb (4) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 10.0 ppb (8) 0.08 ppb (1) 15.0 μg/m3 (14) 4.0 μg/m3 (17) 17.0
 
July 13, 2019, 7 a.m. 5.1 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 12.0 ppb (9) 0.1 ppb (1) 19.0 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
July 13, 2019, 6 a.m. 11.2 ppb (10) 2.0 ppb (2) N/A 9.0 ppb (8) N/A N/A 9.0 ppb (7) 0.15 ppb (2) 28.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
July 13, 2019, 5 a.m. 8.2 ppb (8) 2.7 ppb (3) N/A 6.0 ppb (6) N/A N/A 12.0 ppb (9) 0.12 ppb (1) 21.0 μg/m3 (19) N/A 19.0
 
July 13, 2019, 4 a.m. 9.6 ppb (9) 4.0 ppb (4) N/A 6.0 ppb (6) N/A N/A 13.0 ppb (10) 0.16 ppb (2) 22.0 μg/m3 (20) 8.0 μg/m3 (33) 33.0
 
July 13, 2019, 3 a.m. 7.1 ppb (7) 3.7 ppb (3) N/A 4.0 ppb (4) N/A N/A 14.0 ppb (11) 0.11 ppb (1) 19.0 μg/m3 (17) 8.0 μg/m3 (33) 33.0
 
July 13, 2019, 2 a.m. 6.3 ppb (6) 3.1 ppb (3) N/A 3.0 ppb (3) N/A N/A 18.0 ppb (14) 0.1 ppb (1) 19.0 μg/m3 (17) 8.0 μg/m3 (33) 33.0
 
July 13, 2019, 1 a.m. 7.4 ppb (7) 3.4 ppb (3) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) 0.12 ppb (1) 25.0 μg/m3 (23) 7.0 μg/m3 (29) 29.0
 
July 13, 2019, midnight 6.8 ppb (6) 3.5 ppb (3) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (18) 0.11 ppb (1) 35.0 μg/m3 (32) 8.0 μg/m3 (33) 33.0
 
July 12, 2019, 11 p.m. 7.8 ppb (7) 4.4 ppb (4) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (17) 0.12 ppb (1) 40.0 μg/m3 (36) 6.0 μg/m3 (25) 36.0
 
July 12, 2019, 10 p.m. 7.3 ppb (7) 4.4 ppb (4) N/A 3.0 ppb (3) N/A N/A 19.0 ppb (15) 0.11 ppb (1) 33.0 μg/m3 (30) 4.0 μg/m3 (17) 30.0
 
July 12, 2019, 9 p.m. 6.3 ppb (6) 3.7 ppb (3) N/A 3.0 ppb (3) N/A N/A 18.0 ppb (14) 0.09 ppb (1) 34.0 μg/m3 (31) 3.0 μg/m3 (12) 31.0
 
July 12, 2019, 8 p.m. 6.6 ppb (6) 3.8 ppb (4) N/A 3.0 ppb (3) N/A N/A 19.0 ppb (15) 0.09 ppb (1) 37.0 μg/m3 (34) 2.0 μg/m3 (8) 34.0
 
July 12, 2019, 7 p.m. 7.1 ppb (7) 4.0 ppb (4) N/A 3.0 ppb (3) N/A N/A 19.0 ppb (15) 0.11 ppb (1) 29.0 μg/m3 (26) 0.0 μg/m3 (0) 26.0
 
July 12, 2019, 6 p.m. 7.8 ppb (7) 4.7 ppb (4) N/A 3.0 ppb (3) N/A N/A 17.0 ppb (13) 0.1 ppb (1) 23.0 μg/m3 (21) 2.0 μg/m3 (8) 21.0
 
July 12, 2019, 5 p.m. 10.6 ppb (10) 6.0 ppb (6) N/A 5.0 ppb (5) N/A N/A 13.0 ppb (10) 0.1 ppb (1) 26.0 μg/m3 (24) 5.0 μg/m3 (21) 24.0
 
July 12, 2019, 4 p.m. 12.1 ppb (11) 7.1 ppb (7) N/A 5.0 ppb (5) N/A N/A 11.0 ppb (8) 0.13 ppb (1) 23.0 μg/m3 (21) 6.0 μg/m3 (25) 25.0
 
July 12, 2019, 3 p.m. 11.2 ppb (10) 5.9 ppb (5) N/A 5.0 ppb (5) N/A N/A 8.0 ppb (6) 0.17 ppb (2) 23.0 μg/m3 (21) 6.0 μg/m3 (25) 25.0
 
July 12, 2019, 2 p.m. 9.5 ppb (9) 3.3 ppb (3) N/A 6.0 ppb (6) N/A N/A 8.0 ppb (6) 0.16 ppb (2) 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
July 12, 2019, 1 p.m. 10.1 ppb (9) 3.7 ppb (3) N/A 6.0 ppb (6) N/A N/A 8.0 ppb (6) 0.17 ppb (2) 14.0 μg/m3 (13) 0.0 μg/m3 (0) 13.0
 
July 12, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 0.0 μg/m3 (0) 5.0
 
July 12, 2019, 11 a.m. 2.9 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 13.0 ppb (10) 0.08 ppb (1) 4.0 μg/m3 (4) 1.0 μg/m3 (4) 10.0
 
July 12, 2019, 10 a.m. 2.7 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 14.0 ppb (11) 0.07 ppb (1) 5.0 μg/m3 (5) 0.0 μg/m3 (0) 11.0
 
July 12, 2019, 9 a.m. 2.5 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 13.0 ppb (10) 0.07 ppb (1) 7.0 μg/m3 (6) 1.0 μg/m3 (4) 10.0
 
July 12, 2019, 8 a.m. 2.9 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 13.0 ppb (10) 0.07 ppb (1) 5.0 μg/m3 (5) -1.0 μg/m3 (0) 10.0
 
July 12, 2019, 7 a.m. 3.4 ppb (3) 1.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 14.0 ppb (11) 0.07 ppb (1) 9.0 μg/m3 (8) -2.0 μg/m3 (0) 11.0
 
July 12, 2019, 6 a.m. 3.6 ppb (3) 1.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 13.0 ppb (10) 0.08 ppb (1) 5.0 μg/m3 (5) 1.0 μg/m3 (4) 10.0
 
July 12, 2019, 5 a.m. 5.7 ppb (5) 2.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 12.0 ppb (9) 0.09 ppb (1) 5.0 μg/m3 (5) 2.0 μg/m3 (8) 9.0
 
July 12, 2019, 4 a.m. 7.1 ppb (7) 3.9 ppb (4) N/A 3.0 ppb (3) N/A N/A 14.0 ppb (11) 0.11 ppb (1) 7.0 μg/m3 (6) 2.0 μg/m3 (8) 11.0
 
July 12, 2019, 3 a.m. 7.0 ppb (6) 3.4 ppb (3) N/A 4.0 ppb (4) N/A N/A 14.0 ppb (11) 0.12 ppb (1) 9.0 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
July 12, 2019, 2 a.m. 5.3 ppb (5) 2.7 ppb (3) N/A 3.0 ppb (3) N/A N/A 16.0 ppb (12) 0.11 ppb (1) 9.0 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
July 12, 2019, 1 a.m. 6.9 ppb (6) 4.3 ppb (4) N/A 3.0 ppb (3) N/A N/A 18.0 ppb (14) 0.09 ppb (1) 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
July 12, 2019, midnight 6.5 ppb (6) 3.8 ppb (4) N/A 3.0 ppb (3) N/A N/A 20.0 ppb (15) 0.1 ppb (1) 23.0 μg/m3 (21) 5.0 μg/m3 (21) 21.0
 
July 11, 2019, 11 p.m. 8.1 ppb (8) 4.8 ppb (4) N/A 3.0 ppb (3) N/A N/A 16.0 ppb (12) 0.11 ppb (1) 26.0 μg/m3 (24) 3.0 μg/m3 (12) 24.0
 
July 11, 2019, 10 p.m. 6.3 ppb (6) 3.8 ppb (4) N/A 3.0 ppb (3) N/A N/A 17.0 ppb (13) 0.09 ppb (1) 27.0 μg/m3 (25) 5.0 μg/m3 (21) 25.0
 
July 11, 2019, 9 p.m. 6.1 ppb (6) 3.2 ppb (3) N/A 3.0 ppb (3) N/A N/A 19.0 ppb (15) 0.09 ppb (1) 32.0 μg/m3 (29) 6.0 μg/m3 (25) 29.0
 
July 11, 2019, 8 p.m. 6.5 ppb (6) 3.4 ppb (3) N/A 3.0 ppb (3) N/A N/A 19.0 ppb (15) 0.13 ppb (1) 35.0 μg/m3 (32) 3.0 μg/m3 (12) 32.0
 
July 11, 2019, 7 p.m. 7.2 ppb (7) 3.6 ppb (3) N/A 4.0 ppb (4) N/A N/A 18.0 ppb (14) 0.1 ppb (1) 27.0 μg/m3 (25) 2.0 μg/m3 (8) 25.0
 
July 11, 2019, 6 p.m. 8.0 ppb (7) 4.0 ppb (4) N/A 4.0 ppb (4) N/A N/A 18.0 ppb (14) 0.14 ppb (2) 30.0 μg/m3 (27) 3.0 μg/m3 (12) 27.0
 
July 11, 2019, 5 p.m. 9.8 ppb (9) 5.5 ppb (5) N/A 4.0 ppb (4) N/A N/A 13.0 ppb (10) 0.12 ppb (1) 31.0 μg/m3 (28) 6.0 μg/m3 (25) 28.0
 
July 11, 2019, 4 p.m. 10.4 ppb (10) 6.2 ppb (6) N/A 4.0 ppb (4) N/A N/A 12.0 ppb (9) 0.14 ppb (2) 18.0 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
July 11, 2019, 3 p.m. 16.0 ppb (15) 8.5 ppb (8) N/A 8.0 ppb (7) N/A N/A 9.0 ppb (7) 0.21 ppb (2) 26.0 μg/m3 (24) 6.0 μg/m3 (25) 25.0
 
July 11, 2019, 2 p.m. 8.5 ppb (8) 2.7 ppb (3) N/A 6.0 ppb (6) N/A N/A 9.0 ppb (7) 0.15 ppb (2) 11.0 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
July 11, 2019, 1 p.m. 9.8 ppb (9) 2.8 ppb (3) N/A 7.0 ppb (6) N/A N/A 7.0 ppb (5) 0.18 ppb (2) 13.0 μg/m3 (12) 4.0 μg/m3 (17) 17.0
 
July 11, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 1.0 μg/m3 (4) 6.0
 
July 11, 2019, 11 a.m. 2.8 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 12.0 ppb (9) 0.08 ppb (1) 8.0 μg/m3 (7) 1.0 μg/m3 (4) 9.0
 
July 11, 2019, 10 a.m. 2.4 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 13.0 ppb (10) 0.07 ppb (1) 6.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
July 11, 2019, 9 a.m. 2.5 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 13.0 ppb (10) 0.07 ppb (1) 6.0 μg/m3 (5) 2.0 μg/m3 (8) 10.0
 
July 11, 2019, 8 a.m. 2.1 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 14.0 ppb (11) 0.06 ppb (1) 9.0 μg/m3 (8) 1.0 μg/m3 (4) 11.0
 
July 11, 2019, 7 a.m. 2.7 ppb (3) 1.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 15.0 ppb (12) 0.08 ppb (1) 11.0 μg/m3 (10) 3.0 μg/m3 (12) 12.0
 
July 11, 2019, 6 a.m. 3.7 ppb (3) 1.7 ppb (2) N/A 2.0 ppb (2) N/A N/A 15.0 ppb (12) 0.08 ppb (1) 7.0 μg/m3 (6) 0.0 μg/m3 (0) 12.0
 
July 11, 2019, 5 a.m. 4.7 ppb (4) 2.3 ppb (2) N/A 2.0 ppb (2) N/A N/A 15.0 ppb (12) 0.1 ppb (1) 16.0 μg/m3 (15) -1.0 μg/m3 (0) 15.0