AQSQID: 401091037

Site Name: North Okc

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

Reporting: True, Located: True

Current AQI: 28.0

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
May 19, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.0 ppb (0) 13.0 μg/m3 (12) 3.0 μg/m3 (12) 28.0
 
May 19, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.0 ppb (0) 11.0 μg/m3 (10) 3.2 μg/m3 (13) 28.0
 
May 19, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.0 ppb (0) 10.0 μg/m3 (9) 3.5 μg/m3 (15) 28.0
 
May 19, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.0 ppb (0) 13.0 μg/m3 (12) 3.6 μg/m3 (15) 27.0
 
May 19, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.0 ppb (0) 10.0 μg/m3 (9) 3.6 μg/m3 (15) 25.0
 
May 19, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.0 ppb (0) 13.0 μg/m3 (12) 4.1 μg/m3 (17) 28.0
 
May 19, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.0 ppb (0) 8.0 μg/m3 (7) 3.9 μg/m3 (16) 32.0
 
May 19, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.0 ppb (0) 12.0 μg/m3 (11) 4.2 μg/m3 (18) 34.0
 
May 19, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.0 ppb (0) 2.0 μg/m3 (2) 5.0 μg/m3 (21) 32.0
 
May 19, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.1 ppb (1) 18.0 μg/m3 (16) 5.8 μg/m3 (24) 25.0
 
May 19, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.1 ppb (1) 1.0 μg/m3 (1) 5.7 μg/m3 (24) 28.0
 
May 19, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.1 ppb (1) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
May 19, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.1 ppb (1) 15.0 μg/m3 (14) 5.4 μg/m3 (23) 25.0
 
May 19, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.1 ppb (1) 11.0 μg/m3 (10) 4.7 μg/m3 (20) 28.0
 
May 19, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.1 ppb (1) 9.0 μg/m3 (8) 4.2 μg/m3 (18) 33.0
 
May 19, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.1 ppb (1) 9.0 μg/m3 (8) 4.0 μg/m3 (17) 38.0
 
May 18, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) 0.1 ppb (1) 7.0 μg/m3 (6) 3.9 μg/m3 (16) 41.0
 
May 18, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (42) 0.1 ppb (1) 9.0 μg/m3 (8) 4.1 μg/m3 (17) 42.0
 
May 18, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 54.0 ppb (42) 0.1 ppb (1) 7.0 μg/m3 (6) 4.3 μg/m3 (18) 42.0
 
May 18, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.1 ppb (1) 8.0 μg/m3 (7) 4.5 μg/m3 (19) 39.0
 
May 18, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.1 ppb (1) 12.0 μg/m3 (11) 4.6 μg/m3 (19) 38.0
 
May 18, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 54.0 ppb (42) 0.1 ppb (1) 10.0 μg/m3 (9) 4.5 μg/m3 (19) 42.0
 
May 18, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 54.0 ppb (42) 0.1 ppb (1) -3.0 μg/m3 (0) 5.1 μg/m3 (21) 42.0
 
May 18, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.1 ppb (1) 3.0 μg/m3 (3) 6.3 μg/m3 (26) 35.0
 
May 18, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.1 ppb (1) 6.0 μg/m3 (5) 5.8 μg/m3 (24) 37.0
 
May 18, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.1 ppb (1) 12.0 μg/m3 (11) 5.5 μg/m3 (23) 39.0
 
May 18, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.1 ppb (1) 0.0 μg/m3 (0) 7.7 μg/m3 (32) 38.0
 
May 18, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.1 ppb (1) 20.0 μg/m3 (18) 12.5 μg/m3 (51) 51.0
 
May 18, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.1 ppb (1) 25.0 μg/m3 (23) 12.2 μg/m3 (50) 50.0
 
May 18, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.1 ppb (1) 27.0 μg/m3 (25) 11.8 μg/m3 (49) 49.0
 
May 18, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.1 ppb (1) 27.0 μg/m3 (25) 11.7 μg/m3 (49) 49.0
 
May 18, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.1 ppb (1) 27.0 μg/m3 (25) 11.3 μg/m3 (47) 47.0
 
May 18, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.1 ppb (1) 24.0 μg/m3 (22) 10.8 μg/m3 (45) 45.0
 
May 18, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.1 ppb (1) 22.0 μg/m3 (20) 10.7 μg/m3 (45) 45.0
 
May 18, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.1 ppb (1) 29.0 μg/m3 (26) 10.7 μg/m3 (45) 45.0
 
May 18, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.1 ppb (1) 24.0 μg/m3 (22) 10.5 μg/m3 (44) 44.0
 
May 18, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.1 ppb (1) 26.0 μg/m3 (24) 10.5 μg/m3 (44) 44.0
 
May 18, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.1 ppb (1) 36.0 μg/m3 (33) 10.3 μg/m3 (43) 43.0
 
May 18, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.1 ppb (1) 28.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
May 18, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.1 ppb (1) 30.0 μg/m3 (27) 10.1 μg/m3 (42) 42.0
 
May 17, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.1 ppb (1) 31.0 μg/m3 (28) 10.2 μg/m3 (42) 42.0
 
May 17, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.1 ppb (1) 31.0 μg/m3 (28) 10.6 μg/m3 (44) 44.0
 
May 17, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.1 ppb (1) 31.0 μg/m3 (28) 10.5 μg/m3 (44) 44.0
 
May 17, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.1 ppb (1) 39.0 μg/m3 (35) 11.0 μg/m3 (46) 46.0
 
May 17, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.1 ppb (1) 33.0 μg/m3 (30) 10.8 μg/m3 (45) 45.0
 
May 17, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.1 ppb (1) 36.0 μg/m3 (33) 11.3 μg/m3 (47) 47.0
 
May 17, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.1 ppb (1) 32.0 μg/m3 (29) 11.0 μg/m3 (46) 46.0
 
May 17, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.1 ppb (1) 28.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
May 17, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.1 ppb (1) 23.0 μg/m3 (21) 10.6 μg/m3 (44) 44.0
 
May 17, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.1 ppb (1) 24.0 μg/m3 (22) 10.7 μg/m3 (45) 45.0
 
May 17, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.1 ppb (1) 26.0 μg/m3 (24) 10.7 μg/m3 (45) 45.0
 
May 17, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.2 ppb (2) 25.0 μg/m3 (23) 10.7 μg/m3 (45) 45.0
 
May 17, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.1 ppb (1) 27.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
May 17, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.1 ppb (1) 22.0 μg/m3 (20) 9.7 μg/m3 (40) 40.0
 
May 17, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.1 ppb (1) 20.0 μg/m3 (18) 9.2 μg/m3 (38) 38.0
 
May 17, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.1 ppb (1) 22.0 μg/m3 (20) 9.3 μg/m3 (39) 39.0
 
May 17, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.1 ppb (1) 21.0 μg/m3 (19) 9.1 μg/m3 (38) 38.0
 
May 17, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.1 ppb (1) 21.0 μg/m3 (19) 9.6 μg/m3 (40) 40.0
 
May 17, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (44) 0.1 ppb (1) 21.0 μg/m3 (19) 10.6 μg/m3 (44) 44.0
 
May 17, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 61.0 ppb (47) 0.1 ppb (1) 22.0 μg/m3 (20) 10.2 μg/m3 (42) 47.0
 
May 17, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (44) 0.1 ppb (1) 21.0 μg/m3 (19) 9.3 μg/m3 (39) 44.0
 
May 17, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) 0.1 ppb (1) 21.0 μg/m3 (19) 8.8 μg/m3 (37) 41.0
 
May 17, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) 0.1 ppb (1) 22.0 μg/m3 (20) 8.6 μg/m3 (36) 40.0
 
May 17, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.1 ppb (1) 19.0 μg/m3 (17) 9.4 μg/m3 (39) 39.0
 
May 16, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.2 ppb (2) 25.0 μg/m3 (23) 9.6 μg/m3 (40) 40.0
 
May 16, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.2 ppb (2) 23.0 μg/m3 (21) 10.1 μg/m3 (42) 42.0
 
May 16, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.1 ppb (1) 34.0 μg/m3 (31) 11.5 μg/m3 (48) 48.0
 
May 16, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) 0.1 ppb (1) 27.0 μg/m3 (25) 11.6 μg/m3 (48) 48.0
 
May 16, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) 0.1 ppb (1) 29.0 μg/m3 (26) 10.9 μg/m3 (45) 45.0
 
May 16, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.1 ppb (1) 27.0 μg/m3 (25) 10.2 μg/m3 (42) 42.0
 
May 16, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.1 ppb (1) 22.0 μg/m3 (20) 9.5 μg/m3 (40) 40.0
 
May 16, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.1 ppb (1) 31.0 μg/m3 (28) 10.2 μg/m3 (42) 42.0
 
May 16, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.1 ppb (1) 30.0 μg/m3 (27) 10.2 μg/m3 (42) 42.0
 
May 16, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.2 ppb (2) 31.0 μg/m3 (28) 10.5 μg/m3 (44) 44.0
 
May 16, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.2 ppb (2) 30.0 μg/m3 (27) 10.3 μg/m3 (43) 43.0
 
May 16, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.2 ppb (2) 24.0 μg/m3 (22) 9.2 μg/m3 (38) 38.0
 
May 16, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.1 ppb (1) 20.0 μg/m3 (18) 9.1 μg/m3 (38) 38.0
 
May 16, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.1 ppb (1) 18.0 μg/m3 (16) 9.2 μg/m3 (38) 38.0
 
May 16, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.1 ppb (1) 17.0 μg/m3 (15) 9.2 μg/m3 (38) 38.0
 
May 16, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.1 ppb (1) 18.0 μg/m3 (16) 9.1 μg/m3 (38) 38.0
 
May 16, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.1 ppb (1) 18.0 μg/m3 (16) 9.3 μg/m3 (39) 39.0
 
May 16, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.1 ppb (1) 20.0 μg/m3 (18) 9.2 μg/m3 (38) 38.0
 
May 16, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.1 ppb (1) 21.0 μg/m3 (19) 8.7 μg/m3 (36) 36.0
 
May 16, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.1 ppb (1) 22.0 μg/m3 (20) 7.9 μg/m3 (33) 36.0
 
May 16, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.1 ppb (1) 23.0 μg/m3 (21) 7.1 μg/m3 (30) 33.0
 
May 16, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.1 ppb (1) 14.0 μg/m3 (13) 6.6 μg/m3 (28) 35.0
 
May 16, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.1 ppb (1) 18.0 μg/m3 (16) 6.9 μg/m3 (29) 39.0
 
May 16, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) 0.1 ppb (1) 25.0 μg/m3 (23) 8.1 μg/m3 (34) 41.0
 
May 15, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (44) 0.1 ppb (1) 24.0 μg/m3 (22) 8.1 μg/m3 (34) 44.0
 
May 15, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 58.0 ppb (45) 0.1 ppb (1) 22.0 μg/m3 (20) 8.7 μg/m3 (36) 45.0
 
May 15, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 60.0 ppb (46) 0.1 ppb (1) 28.0 μg/m3 (25) 8.5 μg/m3 (35) 46.0
 
May 15, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 60.0 ppb (46) 0.1 ppb (1) 25.0 μg/m3 (23) 8.2 μg/m3 (34) 46.0
 
May 15, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 60.0 ppb (46) 0.1 ppb (1) 23.0 μg/m3 (21) 7.9 μg/m3 (33) 46.0
 
May 15, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 58.0 ppb (45) 0.1 ppb (1) 23.0 μg/m3 (21) 7.4 μg/m3 (31) 45.0
 
May 15, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (42) 0.1 ppb (1) 24.0 μg/m3 (22) 6.9 μg/m3 (29) 42.0
 
May 15, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) 0.1 ppb (1) 22.0 μg/m3 (20) 6.6 μg/m3 (28) 40.0
 
May 15, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.1 ppb (1) 25.0 μg/m3 (23) 6.2 μg/m3 (26) 37.0
 
May 15, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.1 ppb (1) 22.0 μg/m3 (20) 5.6 μg/m3 (23) 34.0
 
May 15, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.1 ppb (1) 20.0 μg/m3 (18) 5.6 μg/m3 (23) 29.0
 
May 15, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.1 ppb (1) 17.0 μg/m3 (15) 5.6 μg/m3 (23) 27.0
 
May 15, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.1 ppb (1) 13.0 μg/m3 (12) 5.3 μg/m3 (22) 30.0
 
May 15, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.1 ppb (1) 12.0 μg/m3 (11) 5.3 μg/m3 (22) 33.0
 
May 15, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.1 ppb (1) 12.0 μg/m3 (11) 5.9 μg/m3 (25) 35.0
 
May 15, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.1 ppb (1) 13.0 μg/m3 (12) 6.8 μg/m3 (28) 35.0
 
May 15, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.1 ppb (1) 17.0 μg/m3 (15) 8.1 μg/m3 (34) 34.0
 
May 15, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.1 ppb (1) 20.0 μg/m3 (18) 8.4 μg/m3 (35) 35.0
 
May 15, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.1 ppb (1) 17.0 μg/m3 (15) 7.2 μg/m3 (30) 34.0
 
May 15, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.1 ppb (1) 15.0 μg/m3 (14) 6.7 μg/m3 (28) 32.0
 
May 15, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.1 ppb (1) 25.0 μg/m3 (23) 7.4 μg/m3 (31) 31.0
 
May 15, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.1 ppb (1) 22.0 μg/m3 (20) 6.7 μg/m3 (28) 33.0
 
May 15, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.1 ppb (1) 19.0 μg/m3 (17) 6.3 μg/m3 (26) 38.0
 
May 15, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (42) 0.1 ppb (1) 20.0 μg/m3 (18) 6.4 μg/m3 (27) 42.0
 
May 14, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (44) 0.1 ppb (1) 20.0 μg/m3 (18) 6.6 μg/m3 (28) 44.0
 
May 14, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 59.0 ppb (45) 0.1 ppb (1) 19.0 μg/m3 (17) 6.8 μg/m3 (28) 45.0
 
May 14, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 58.0 ppb (45) 0.1 ppb (1) 22.0 μg/m3 (20) 7.0 μg/m3 (29) 45.0
 
May 14, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 59.0 ppb (45) 0.1 ppb (1) 21.0 μg/m3 (19) 6.8 μg/m3 (28) 45.0
 
May 14, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 58.0 ppb (45) 0.1 ppb (1) 20.0 μg/m3 (18) 6.3 μg/m3 (26) 45.0
 
May 14, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (44) 0.1 ppb (1) 16.0 μg/m3 (15) 6.3 μg/m3 (26) 44.0
 
May 14, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 54.0 ppb (42) 0.1 ppb (1) 23.0 μg/m3 (21) 5.6 μg/m3 (23) 42.0
 
May 14, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.1 ppb (1) 20.0 μg/m3 (18) 5.1 μg/m3 (21) 38.0
 
May 14, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.1 ppb (1) 21.0 μg/m3 (19) N/A 28.0
 
May 14, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.2 ppb (2) 29.0 μg/m3 (26) N/A 26.0
 
May 14, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.2 ppb (2) 25.0 μg/m3 (23) N/A 23.0
 
May 14, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.2 ppb (2) 20.0 μg/m3 (18) N/A 20.0
 
May 13, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.1 ppb (1) 21.0 μg/m3 (19) 6.6 μg/m3 (28) 38.0
 
May 13, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.1 ppb (1) 22.0 μg/m3 (20) 7.0 μg/m3 (29) 39.0
 
May 13, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) 0.1 ppb (1) 21.0 μg/m3 (19) 6.8 μg/m3 (28) 40.0
 
May 13, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.1 ppb (1) 20.0 μg/m3 (18) 6.0 μg/m3 (25) 37.0
 
May 13, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.1 ppb (1) 19.0 μg/m3 (17) 5.3 μg/m3 (22) 32.0
 
May 13, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.2 ppb (2) 24.0 μg/m3 (22) 6.1 μg/m3 (25) 25.0
 
May 13, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.3 ppb (3) 23.0 μg/m3 (21) 7.3 μg/m3 (30) 30.0
 
May 13, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 10.0 ppb (8) 0.5 ppb (6) 21.0 μg/m3 (19) 8.6 μg/m3 (36) 36.0
 
May 13, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 7.0 ppb (5) 0.2 ppb (2) 16.0 μg/m3 (15) 7.5 μg/m3 (31) 31.0
 
May 13, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (10) 0.1 ppb (1) 16.0 μg/m3 (15) 7.6 μg/m3 (32) 32.0
 
May 13, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.1 ppb (1) 15.0 μg/m3 (14) 7.8 μg/m3 (32) 32.0
 
May 13, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.1 ppb (1) 15.0 μg/m3 (14) 7.2 μg/m3 (30) 30.0
 
May 13, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.1 ppb (1) 14.0 μg/m3 (13) 7.0 μg/m3 (29) 29.0
 
May 13, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.2 ppb (2) 15.0 μg/m3 (14) 7.4 μg/m3 (31) 31.0
 
May 13, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.2 ppb (2) 14.0 μg/m3 (13) 6.9 μg/m3 (29) 29.0
 
May 13, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.1 ppb (1) 14.0 μg/m3 (13) 5.8 μg/m3 (24) 24.0
 
May 13, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.1 ppb (1) 14.0 μg/m3 (13) 5.0 μg/m3 (21) 22.0
 
May 13, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.1 ppb (1) 15.0 μg/m3 (14) 4.6 μg/m3 (19) 22.0
 
May 13, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.0 ppb (0) 15.0 μg/m3 (14) 4.0 μg/m3 (17) 32.0
 
May 13, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.0 ppb (0) 11.0 μg/m3 (10) 3.9 μg/m3 (16) 38.0
 
May 12, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.0 ppb (0) 19.0 μg/m3 (17) 3.4 μg/m3 (14) 38.0
 
May 12, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.0 ppb (0) 9.0 μg/m3 (8) 3.3 μg/m3 (14) 38.0
 
May 12, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.0 ppb (0) 10.0 μg/m3 (9) 3.2 μg/m3 (13) 39.0
 
May 12, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.0 ppb (0) 6.0 μg/m3 (5) 3.1 μg/m3 (13) 38.0
 
May 12, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.0 ppb (0) 7.0 μg/m3 (6) 3.1 μg/m3 (13) 36.0
 
May 12, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.0 ppb (0) 6.0 μg/m3 (5) 3.2 μg/m3 (13) 35.0
 
May 12, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.0 ppb (0) 7.0 μg/m3 (6) 3.2 μg/m3 (13) 33.0
 
May 12, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.0 ppb (0) 9.0 μg/m3 (8) 3.9 μg/m3 (16) 26.0
 
May 12, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.0 ppb (0) 10.0 μg/m3 (9) 4.0 μg/m3 (17) 22.0
 
May 12, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.0 ppb (0) 7.0 μg/m3 (6) 4.1 μg/m3 (17) 21.0
 
May 12, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.0 ppb (0) 5.0 μg/m3 (5) 4.2 μg/m3 (18) 21.0
 
May 12, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.0 ppb (0) 10.0 μg/m3 (9) 4.4 μg/m3 (18) 19.0
 
May 12, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.1 ppb (1) 10.0 μg/m3 (9) 7.6 μg/m3 (32) 32.0
 
May 12, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 9.0 ppb (7) 0.1 ppb (1) 10.0 μg/m3 (9) 11.0 μg/m3 (46) 46.0
 
May 12, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 9.0 ppb (7) 0.1 ppb (1) 10.0 μg/m3 (9) 12.6 μg/m3 (51) 51.0
 
May 12, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 10.0 ppb (8) 0.1 ppb (1) 11.0 μg/m3 (10) 12.2 μg/m3 (50) 50.0
 
May 12, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) 0.4 ppb (4) 12.0 μg/m3 (11) 10.2 μg/m3 (42) 42.0
 
May 12, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) 0.3 ppb (3) 10.0 μg/m3 (9) 9.2 μg/m3 (38) 38.0
 
May 12, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (1) 0.2 ppb (2) 10.0 μg/m3 (9) 8.0 μg/m3 (33) 33.0
 
May 12, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 6.0 ppb (5) 0.2 ppb (2) 12.0 μg/m3 (11) 7.8 μg/m3 (32) 32.0
 
May 12, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 7.0 ppb (5) 0.2 ppb (2) 13.0 μg/m3 (12) 6.9 μg/m3 (29) 29.0
 
May 12, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.1 ppb (1) 11.0 μg/m3 (10) 5.2 μg/m3 (22) 22.0
 
May 12, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.0 ppb (0) 10.0 μg/m3 (9) 4.4 μg/m3 (18) 24.0
 
May 12, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.0 ppb (0) 8.0 μg/m3 (7) 4.4 μg/m3 (18) 26.0