AQSQID: 401091037

Site Name: North Okc

Location: Oklahoma City (Neast 140th St), OK

Reporting: True, Located: True

Current AQI: 27.0

Oklahoma City (Neast 140th St) OK, US: 35.612801, -97.472198

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 23, 2019, 3 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) 0.4 ppb (4) 20.0 μg/m3 (18) 6.4 μg/m3 (27) 27.0
 
July 23, 2019, 2 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (25) 0.4 ppb (4) 21.0 μg/m3 (19) 5.9 μg/m3 (25) 25.0
 
July 23, 2019, 1 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (29) 0.3 ppb (3) 23.0 μg/m3 (21) 5.8 μg/m3 (24) 29.0
 
July 23, 2019, midnight 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (33) 0.3 ppb (3) 25.0 μg/m3 (23) 5.7 μg/m3 (24) 33.0
 
July 22, 2019, 11 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 45.0 ppb (35) 0.3 ppb (3) 21.0 μg/m3 (19) 5.8 μg/m3 (24) 35.0
 
July 22, 2019, 10 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 46.0 ppb (35) 0.3 ppb (3) 18.0 μg/m3 (16) 6.0 μg/m3 (25) 35.0
 
July 22, 2019, 9 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 45.0 ppb (35) 0.3 ppb (3) 23.0 μg/m3 (21) 6.3 μg/m3 (26) 35.0
 
July 22, 2019, 8 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 44.0 ppb (34) 0.3 ppb (3) 14.0 μg/m3 (13) 6.3 μg/m3 (26) 34.0
 
July 22, 2019, 7 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 43.0 ppb (33) 0.3 ppb (3) 14.0 μg/m3 (13) 6.1 μg/m3 (25) 33.0
 
July 22, 2019, 6 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 43.0 ppb (33) 0.3 ppb (3) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 33.0
 
July 22, 2019, 5 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 42.0 ppb (32) 0.3 ppb (3) 14.0 μg/m3 (13) 5.8 μg/m3 (24) 32.0
 
July 22, 2019, 4 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (28) 0.3 ppb (3) 13.0 μg/m3 (12) 5.9 μg/m3 (25) 28.0
 
July 22, 2019, 3 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (28) 0.3 ppb (3) 11.0 μg/m3 (10) 5.5 μg/m3 (23) 28.0
 
July 22, 2019, 2 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (24) 0.3 ppb (3) 8.0 μg/m3 (7) 5.3 μg/m3 (22) 24.0
 
July 22, 2019, 1 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) 0.3 ppb (3) 7.0 μg/m3 (6) 4.9 μg/m3 (20) 25.0
 
July 22, 2019, noon 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (25) 0.3 ppb (3) 7.0 μg/m3 (6) 5.7 μg/m3 (24) 25.0
 
July 22, 2019, 11 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (21) 0.3 ppb (3) 7.0 μg/m3 (6) 3.2 μg/m3 (13) 21.0
 
July 22, 2019, 10 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) 0.3 ppb (3) 11.0 μg/m3 (10) 6.1 μg/m3 (25) 25.0
 
July 22, 2019, 9 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 0.3 ppb (3) 17.0 μg/m3 (15) 6.9 μg/m3 (29) 29.0
 
July 22, 2019, 8 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) 0.3 ppb (3) 19.0 μg/m3 (17) 7.8 μg/m3 (32) 32.0
 
July 22, 2019, 7 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (28) 0.3 ppb (3) 24.0 μg/m3 (22) 10.3 μg/m3 (43) 43.0
 
July 22, 2019, 6 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) 0.3 ppb (3) 45.0 μg/m3 (41) 15.4 μg/m3 (57) 57.0
 
July 22, 2019, 5 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) 0.3 ppb (3) 42.0 μg/m3 (38) 16.3 μg/m3 (59) 59.0
 
July 22, 2019, 4 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (25) 0.3 ppb (3) 45.0 μg/m3 (41) 15.9 μg/m3 (58) 58.0
 
July 22, 2019, 3 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) 0.3 ppb (3) 39.0 μg/m3 (35) 15.2 μg/m3 (57) 57.0
 
July 22, 2019, 2 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (23) 0.4 ppb (4) 41.0 μg/m3 (37) 15.5 μg/m3 (57) 57.0
 
July 22, 2019, 1 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (29) 0.3 ppb (3) 41.0 μg/m3 (37) 15.3 μg/m3 (57) 57.0
 
July 22, 2019, midnight 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (34) 0.3 ppb (3) 38.0 μg/m3 (35) 15.4 μg/m3 (57) 57.0
 
July 21, 2019, 11 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 48.0 ppb (37) 0.3 ppb (3) 41.0 μg/m3 (37) 15.7 μg/m3 (58) 58.0
 
July 21, 2019, 10 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 49.0 ppb (38) 0.3 ppb (3) 39.0 μg/m3 (35) 16.3 μg/m3 (59) 59.0
 
July 21, 2019, 9 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 51.0 ppb (39) 0.3 ppb (3) 43.0 μg/m3 (39) 17.4 μg/m3 (61) 61.0
 
July 21, 2019, 8 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 55.0 ppb (42) 0.3 ppb (3) 44.0 μg/m3 (40) 17.3 μg/m3 (61) 61.0
 
July 21, 2019, 7 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 53.0 ppb (41) 0.3 ppb (3) 43.0 μg/m3 (39) 17.1 μg/m3 (61) 61.0
 
July 21, 2019, 6 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (34) 0.3 ppb (3) 42.0 μg/m3 (38) 16.8 μg/m3 (60) 60.0
 
July 21, 2019, 5 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (32) 0.3 ppb (3) 46.0 μg/m3 (42) 16.9 μg/m3 (60) 60.0
 
July 21, 2019, 4 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (30) 0.3 ppb (3) 46.0 μg/m3 (42) 17.0 μg/m3 (61) 61.0
 
July 21, 2019, 3 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (28) 0.3 ppb (3) 48.0 μg/m3 (44) 17.3 μg/m3 (61) 61.0
 
July 21, 2019, 2 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) 0.3 ppb (3) 42.0 μg/m3 (38) 16.5 μg/m3 (60) 60.0
 
July 21, 2019, 1 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) 0.3 ppb (3) 36.0 μg/m3 (33) 15.9 μg/m3 (58) 58.0
 
July 21, 2019, noon 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (18) 0.3 ppb (3) 35.0 μg/m3 (32) 15.5 μg/m3 (57) 57.0
 
July 21, 2019, 11 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 24.0 ppb (18) 0.3 ppb (3) 32.0 μg/m3 (29) 15.6 μg/m3 (58) 58.0
 
July 21, 2019, 10 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (19) 0.3 ppb (3) 32.0 μg/m3 (29) 15.0 μg/m3 (56) 56.0
 
July 21, 2019, 9 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (19) 0.3 ppb (3) 33.0 μg/m3 (30) 14.7 μg/m3 (56) 56.0
 
July 21, 2019, 8 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (20) 0.3 ppb (3) 32.0 μg/m3 (29) 14.0 μg/m3 (54) 54.0
 
July 21, 2019, 7 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (22) 0.3 ppb (3) 30.0 μg/m3 (27) 13.2 μg/m3 (53) 53.0
 
July 21, 2019, 6 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) 0.3 ppb (3) 31.0 μg/m3 (28) 12.6 μg/m3 (51) 51.0
 
July 21, 2019, 5 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (30) 0.3 ppb (3) 30.0 μg/m3 (27) 12.2 μg/m3 (50) 50.0
 
July 21, 2019, 4 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (34) 0.3 ppb (3) 29.0 μg/m3 (26) 11.9 μg/m3 (50) 50.0
 
July 21, 2019, 3 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 47.0 ppb (36) 0.3 ppb (3) 29.0 μg/m3 (26) 12.0 μg/m3 (50) 50.0
 
July 21, 2019, 2 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 49.0 ppb (38) 0.3 ppb (3) 30.0 μg/m3 (27) 12.0 μg/m3 (50) 50.0
 
July 21, 2019, 1 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (34) 0.3 ppb (3) 37.0 μg/m3 (34) 10.3 μg/m3 (43) 43.0
 
July 21, 2019, midnight 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 42.0 ppb (32) 0.3 ppb (3) 27.0 μg/m3 (25) 9.3 μg/m3 (39) 39.0
 
July 20, 2019, 11 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 44.0 ppb (34) 0.3 ppb (3) 23.0 μg/m3 (21) 9.2 μg/m3 (38) 38.0
 
July 20, 2019, 10 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 44.0 ppb (34) 0.3 ppb (3) 30.0 μg/m3 (27) 9.9 μg/m3 (41) 41.0
 
July 20, 2019, 9 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 44.0 ppb (34) 0.3 ppb (3) 29.0 μg/m3 (26) 10.7 μg/m3 (45) 45.0
 
July 20, 2019, 8 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 44.0 ppb (34) 0.3 ppb (3) 31.0 μg/m3 (28) 10.7 μg/m3 (45) 45.0
 
July 20, 2019, 7 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 42.0 ppb (32) 0.3 ppb (3) 36.0 μg/m3 (33) 11.0 μg/m3 (46) 46.0
 
July 20, 2019, 6 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (34) 0.3 ppb (3) 34.0 μg/m3 (31) 12.1 μg/m3 (50) 50.0
 
July 20, 2019, 5 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (33) 0.3 ppb (3) 40.0 μg/m3 (36) 12.7 μg/m3 (51) 51.0
 
July 20, 2019, 4 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (29) 0.3 ppb (3) 46.0 μg/m3 (42) 12.3 μg/m3 (51) 51.0
 
July 20, 2019, 3 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (26) 0.5 ppb (6) 82.0 μg/m3 (64) 14.1 μg/m3 (54) 64.0
 
July 20, 2019, 2 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (24) 0.3 ppb (3) 33.0 μg/m3 (30) 10.6 μg/m3 (44) 44.0
 
July 20, 2019, 1 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (20) 0.3 ppb (3) 22.0 μg/m3 (20) 9.2 μg/m3 (38) 38.0
 
July 20, 2019, noon 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 24.0 ppb (18) 0.3 ppb (3) 21.0 μg/m3 (19) 9.0 μg/m3 (38) 38.0
 
July 20, 2019, 11 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 24.0 ppb (18) 0.3 ppb (3) 19.0 μg/m3 (17) 9.0 μg/m3 (38) 38.0
 
July 20, 2019, 10 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (19) 0.3 ppb (3) 20.0 μg/m3 (18) 8.9 μg/m3 (37) 37.0
 
July 20, 2019, 9 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) 0.3 ppb (3) 19.0 μg/m3 (17) 8.7 μg/m3 (36) 36.0
 
July 20, 2019, 8 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) 0.3 ppb (3) 16.0 μg/m3 (15) 8.4 μg/m3 (35) 35.0
 
July 20, 2019, 7 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (22) 0.3 ppb (3) 19.0 μg/m3 (17) 8.8 μg/m3 (37) 37.0
 
July 20, 2019, 6 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (25) 0.3 ppb (3) 22.0 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
July 20, 2019, 5 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (32) 0.3 ppb (3) 26.0 μg/m3 (24) 8.6 μg/m3 (36) 36.0
 
July 20, 2019, 4 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 48.0 ppb (37) 0.3 ppb (3) 25.0 μg/m3 (23) 8.4 μg/m3 (35) 37.0
 
July 20, 2019, 3 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 50.0 ppb (38) 0.3 ppb (3) 24.0 μg/m3 (22) 7.6 μg/m3 (32) 38.0
 
July 20, 2019, 2 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 48.0 ppb (37) 0.3 ppb (3) 21.0 μg/m3 (19) 7.5 μg/m3 (31) 37.0
 
July 20, 2019, 1 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 50.0 ppb (38) 0.3 ppb (3) 30.0 μg/m3 (27) 7.6 μg/m3 (32) 38.0
 
July 20, 2019, midnight 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 49.0 ppb (38) 0.3 ppb (3) 36.0 μg/m3 (33) 7.4 μg/m3 (31) 38.0
 
July 19, 2019, 11 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 42.0 ppb (32) 0.3 ppb (3) 44.0 μg/m3 (40) 8.5 μg/m3 (35) 40.0
 
July 19, 2019, 10 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 42.0 ppb (32) 0.3 ppb (3) 45.0 μg/m3 (41) 9.6 μg/m3 (40) 41.0
 
July 19, 2019, 9 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (33) 0.3 ppb (3) 82.0 μg/m3 (64) 13.1 μg/m3 (52) 64.0
 
July 19, 2019, 8 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (31) 0.3 ppb (3) 59.0 μg/m3 (52) 12.5 μg/m3 (51) 52.0
 
July 19, 2019, 7 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (30) 0.3 ppb (3) 53.0 μg/m3 (48) 13.2 μg/m3 (53) 53.0
 
July 19, 2019, 6 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (29) 0.3 ppb (3) 62.0 μg/m3 (54) 13.9 μg/m3 (54) 54.0
 
July 19, 2019, 5 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (29) 0.3 ppb (3) 52.0 μg/m3 (47) 14.0 μg/m3 (54) 54.0
 
July 19, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.3 ppb (3) 51.0 μg/m3 (46) 13.1 μg/m3 (52) 52.0
 
July 19, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 43.0 μg/m3 (39) 11.7 μg/m3 (49) 49.0
 
July 19, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) 37.0 μg/m3 (34) 10.4 μg/m3 (43) 43.0
 
July 19, 2019, 1 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (18) 0.3 ppb (3) 29.0 μg/m3 (26) 8.9 μg/m3 (37) 37.0
 
July 19, 2019, noon 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 21.0 ppb (16) 0.3 ppb (3) 24.0 μg/m3 (22) 8.7 μg/m3 (36) 36.0
 
July 19, 2019, 11 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 22.0 ppb (17) 0.3 ppb (3) 19.0 μg/m3 (17) 8.1 μg/m3 (34) 34.0
 
July 19, 2019, 10 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (19) 0.3 ppb (3) 18.0 μg/m3 (16) 8.0 μg/m3 (33) 33.0
 
July 19, 2019, 9 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) 0.3 ppb (3) 16.0 μg/m3 (15) 7.6 μg/m3 (32) 32.0
 
July 19, 2019, 8 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (20) 0.3 ppb (3) 18.0 μg/m3 (16) 7.9 μg/m3 (33) 33.0
 
July 19, 2019, 7 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) 0.3 ppb (3) 19.0 μg/m3 (17) 7.9 μg/m3 (33) 33.0
 
July 19, 2019, 6 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (28) 0.3 ppb (3) 21.0 μg/m3 (19) 8.2 μg/m3 (34) 34.0
 
July 19, 2019, 5 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (32) 0.3 ppb (3) 21.0 μg/m3 (19) 8.3 μg/m3 (35) 35.0
 
July 19, 2019, 4 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (33) 0.3 ppb (3) 21.0 μg/m3 (19) 7.8 μg/m3 (32) 33.0
 
July 19, 2019, 3 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (32) 0.3 ppb (3) 20.0 μg/m3 (18) 8.2 μg/m3 (34) 34.0
 
July 19, 2019, 2 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (31) 0.3 ppb (3) 29.0 μg/m3 (26) 8.0 μg/m3 (33) 33.0
 
July 19, 2019, 1 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (28) 0.3 ppb (3) 17.0 μg/m3 (15) 7.5 μg/m3 (31) 31.0
 
July 19, 2019, midnight 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (29) 0.3 ppb (3) 24.0 μg/m3 (22) 8.8 μg/m3 (37) 37.0
 
July 18, 2019, 11 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 38.0 ppb (29) 0.3 ppb (3) 38.0 μg/m3 (35) 9.0 μg/m3 (38) 38.0
 
July 18, 2019, 10 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 37.0 ppb (28) 0.3 ppb (3) 39.0 μg/m3 (35) 9.3 μg/m3 (39) 39.0
 
July 18, 2019, 9 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) 0.3 ppb (3) 60.0 μg/m3 (52) 11.0 μg/m3 (46) 52.0
 
July 18, 2019, 8 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) N/A 56.0 μg/m3 (50) 10.6 μg/m3 (44) 50.0
 
July 18, 2019, 7 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) 0.3 ppb (3) 51.0 μg/m3 (46) 10.4 μg/m3 (43) 46.0
 
July 18, 2019, 6 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) 0.3 ppb (3) 49.0 μg/m3 (45) 10.5 μg/m3 (44) 45.0
 
July 18, 2019, 5 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) 0.3 ppb (3) 46.0 μg/m3 (42) 10.3 μg/m3 (43) 43.0
 
July 18, 2019, 4 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (26) 0.3 ppb (3) 44.0 μg/m3 (40) 9.8 μg/m3 (41) 41.0
 
July 18, 2019, 3 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (24) 0.3 ppb (3) 42.0 μg/m3 (38) 9.9 μg/m3 (41) 41.0
 
July 18, 2019, 2 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) 0.3 ppb (3) 35.0 μg/m3 (32) 9.9 μg/m3 (41) 41.0
 
July 18, 2019, 1 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (18) 0.3 ppb (3) 27.0 μg/m3 (25) 9.2 μg/m3 (38) 38.0
 
July 18, 2019, noon 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 20.0 ppb (15) 0.3 ppb (3) 24.0 μg/m3 (22) 9.7 μg/m3 (40) 40.0
 
July 18, 2019, 11 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (16) 0.3 ppb (3) 20.0 μg/m3 (18) 9.7 μg/m3 (40) 40.0
 
July 18, 2019, 10 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 24.0 ppb (18) 0.3 ppb (3) 21.0 μg/m3 (19) 9.8 μg/m3 (41) 41.0
 
July 18, 2019, 9 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) 0.3 ppb (3) 25.0 μg/m3 (23) 12.4 μg/m3 (51) 51.0
 
July 18, 2019, 8 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 0.3 ppb (3) 24.0 μg/m3 (22) 12.6 μg/m3 (51) 51.0
 
July 18, 2019, 7 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) 0.3 ppb (3) 20.0 μg/m3 (18) 10.2 μg/m3 (42) 42.0
 
July 18, 2019, 6 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (28) 0.3 ppb (3) 21.0 μg/m3 (19) 10.1 μg/m3 (42) 42.0
 
July 18, 2019, 5 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (29) 0.3 ppb (3) 21.0 μg/m3 (19) 9.6 μg/m3 (40) 40.0
 
July 18, 2019, 4 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (32) 0.3 ppb (3) 23.0 μg/m3 (21) 9.6 μg/m3 (40) 40.0
 
July 18, 2019, 3 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (34) 0.3 ppb (3) 26.0 μg/m3 (24) 9.4 μg/m3 (39) 39.0
 
July 18, 2019, 2 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (29) 0.3 ppb (3) 23.0 μg/m3 (21) 8.7 μg/m3 (36) 36.0
 
July 18, 2019, 1 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (28) 0.3 ppb (3) 24.0 μg/m3 (22) 9.6 μg/m3 (40) 40.0
 
July 18, 2019, midnight 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (31) 0.3 ppb (3) 29.0 μg/m3 (26) 10.9 μg/m3 (45) 45.0
 
July 17, 2019, 11 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (30) 0.3 ppb (3) 37.0 μg/m3 (34) 11.7 μg/m3 (49) 49.0
 
July 17, 2019, 10 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 39.0 ppb (30) 0.3 ppb (3) 31.0 μg/m3 (28) 11.0 μg/m3 (46) 46.0
 
July 17, 2019, 9 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (31) 0.3 ppb (3) 39.0 μg/m3 (35) 12.4 μg/m3 (51) 51.0
 
July 17, 2019, 8 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 41.0 ppb (32) 0.3 ppb (3) 47.0 μg/m3 (43) 13.2 μg/m3 (53) 53.0
 
July 17, 2019, 7 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (32) 0.3 ppb (3) 38.0 μg/m3 (35) 13.0 μg/m3 (52) 52.0
 
July 17, 2019, 6 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (33) 0.3 ppb (3) 49.0 μg/m3 (45) 13.9 μg/m3 (54) 54.0
 
July 17, 2019, 5 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (32) 0.3 ppb (3) 51.0 μg/m3 (46) 13.9 μg/m3 (54) 54.0
 
July 17, 2019, 4 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (31) 0.3 ppb (3) 46.0 μg/m3 (42) 13.4 μg/m3 (53) 53.0
 
July 17, 2019, 3 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (28) 0.3 ppb (3) 46.0 μg/m3 (42) 13.5 μg/m3 (53) 53.0
 
July 17, 2019, 2 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) 0.3 ppb (3) 38.0 μg/m3 (35) 12.8 μg/m3 (52) 52.0
 
July 17, 2019, 1 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (18) 0.3 ppb (3) 36.0 μg/m3 (33) 12.7 μg/m3 (51) 51.0
 
July 17, 2019, noon 6.0 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 24.0 ppb (18) 0.3 ppb (3) 31.0 μg/m3 (28) 12.8 μg/m3 (52) 52.0
 
July 17, 2019, 11 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (21) 0.3 ppb (3) 27.0 μg/m3 (25) 12.3 μg/m3 (51) 51.0
 
July 17, 2019, 10 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) 0.3 ppb (3) 25.0 μg/m3 (23) 12.1 μg/m3 (50) 50.0
 
July 17, 2019, 9 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (26) 0.3 ppb (3) 23.0 μg/m3 (21) 12.0 μg/m3 (50) 50.0
 
July 17, 2019, 8 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (27) 0.3 ppb (3) 24.0 μg/m3 (22) 11.9 μg/m3 (50) 50.0
 
July 17, 2019, 7 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) 0.3 ppb (3) 25.0 μg/m3 (23) 12.0 μg/m3 (50) 50.0
 
July 17, 2019, 6 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (26) 0.3 ppb (3) 25.0 μg/m3 (23) 12.3 μg/m3 (51) 51.0
 
July 17, 2019, 5 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (28) 0.3 ppb (3) 30.0 μg/m3 (27) 12.9 μg/m3 (52) 52.0
 
July 17, 2019, 4 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (30) 0.3 ppb (3) 32.0 μg/m3 (29) 13.1 μg/m3 (52) 52.0
 
July 17, 2019, 3 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (29) 0.3 ppb (3) 32.0 μg/m3 (29) 13.5 μg/m3 (53) 53.0
 
July 17, 2019, 2 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (28) 0.4 ppb (4) 28.0 μg/m3 (25) 12.7 μg/m3 (51) 51.0
 
July 17, 2019, 1 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (29) 0.4 ppb (4) 32.0 μg/m3 (29) 12.2 μg/m3 (50) 50.0
 
July 17, 2019, midnight 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 47.0 ppb (36) 0.4 ppb (4) 35.0 μg/m3 (32) 12.3 μg/m3 (51) 51.0
 
July 16, 2019, 11 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 52.0 ppb (40) 0.3 ppb (3) 36.0 μg/m3 (33) 12.8 μg/m3 (52) 52.0
 
July 16, 2019, 10 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 54.0 ppb (42) 0.3 ppb (3) 32.0 μg/m3 (29) 11.6 μg/m3 (48) 48.0
 
July 16, 2019, 9 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 59.0 ppb (45) 0.3 ppb (3) 52.0 μg/m3 (47) 12.4 μg/m3 (51) 51.0
 
July 16, 2019, 8 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 65.0 ppb (50) 0.3 ppb (3) 47.0 μg/m3 (43) 12.5 μg/m3 (51) 51.0
 
July 16, 2019, 7 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 68.0 ppb (52) 0.3 ppb (3) 36.0 μg/m3 (33) 10.7 μg/m3 (45) 52.0
 
July 16, 2019, 6 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 69.0 ppb (53) 0.3 ppb (3) 39.0 μg/m3 (35) 10.2 μg/m3 (42) 53.0
 
July 16, 2019, 5 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 67.0 ppb (52) 0.3 ppb (3) 36.0 μg/m3 (33) 10.1 μg/m3 (42) 52.0
 
July 16, 2019, 4 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 62.0 ppb (48) 0.4 ppb (4) 34.0 μg/m3 (31) 8.9 μg/m3 (37) 48.0
 
July 16, 2019, 3 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 48.0 ppb (37) 0.4 ppb (4) 29.0 μg/m3 (26) 7.4 μg/m3 (31) 37.0
 
July 16, 2019, 2 p.m. 11.0 ppb (10) 3.0 ppb (3) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 29.0 ppb (22) 0.4 ppb (4) 30.0 μg/m3 (27) 7.1 μg/m3 (30) 30.0
 
July 16, 2019, 1 p.m. 14.0 ppb (13) 5.0 ppb (5) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 14.0 ppb (11) 0.5 ppb (6) 40.0 μg/m3 (36) 7.4 μg/m3 (31) 36.0
 
July 16, 2019, noon 10.0 ppb (9) 2.0 ppb (2) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 12.0 ppb (9) 0.4 ppb (4) 23.0 μg/m3 (21) 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 0.0 ppb (0) 13.0 ppb (10) 0.3 ppb (3) 14.0 μg/m3 (13) 5.3 μg/m3 (22) 22.0
 
July 16, 2019, 10 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 15.0 ppb (12) 0.3 ppb (3) 14.0 μg/m3 (13) 5.2 μg/m3 (22) 22.0
 
July 16, 2019, 9 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 15.0 ppb (12) 0.3 ppb (3) N/A 4.9 μg/m3 (20) 20.0
 
July 16, 2019, 8 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 19.0 ppb (15) 0.3 ppb (3) N/A 4.8 μg/m3 (20) 20.0
 
July 16, 2019, 7 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 16.0 ppb (12) 0.3 ppb (3) N/A 4.8 μg/m3 (20) 20.0
 
July 16, 2019, 6 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (17) 0.3 ppb (3) N/A 4.9 μg/m3 (20) 20.0
 
July 16, 2019, 5 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (17) 0.3 ppb (3) 15.0 μg/m3 (14) 5.1 μg/m3 (21) 21.0
 
July 16, 2019, 4 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (18) 0.3 ppb (3) 17.0 μg/m3 (15) 5.2 μg/m3 (22) 22.0