AQSQID: 270530962

Site Name: Minneapolis-Near Road

Location: Minneapolis (E 18th St), MN

Reporting: True, Located: True

Current AQI: 29.0

Minneapolis (E 18th St) MN, US: 44.9653, -93.2551

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 17, 2019, 6 a.m. 4.3 ppb (4) 1.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (25) 0.36 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 17, 2019, 5 a.m. 4.5 ppb (4) 1.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (25) 0.38 ppb (4) N/A 5.0 μg/m3 (21) 25.0
 
Sept. 17, 2019, 4 a.m. 5.5 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (23) 0.37 ppb (4) N/A 3.0 μg/m3 (12) 23.0
 
Sept. 17, 2019, 3 a.m. 7.2 ppb (7) 1.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (22) 0.39 ppb (4) N/A 4.0 μg/m3 (17) 22.0
 
Sept. 17, 2019, 2 a.m. 8.9 ppb (8) 1.7 ppb (2) N/A 7.0 ppb (6) N/A N/A 27.0 ppb (21) 0.4 ppb (4) N/A 4.0 μg/m3 (17) 21.0
 
Sept. 17, 2019, 1 a.m. 11.3 ppb (10) 1.7 ppb (2) N/A 10.0 ppb (9) N/A N/A 24.0 ppb (18) 0.41 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 17, 2019, midnight 7.7 ppb (7) 1.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (21) 0.4 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 16, 2019, 11 p.m. 6.6 ppb (6) 1.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (23) 0.41 ppb (5) N/A 3.0 μg/m3 (12) 23.0
 
Sept. 16, 2019, 10 p.m. 7.4 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (25) 0.38 ppb (4) N/A 4.0 μg/m3 (17) 25.0
 
Sept. 16, 2019, 9 p.m. 6.6 ppb (6) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (28) 0.37 ppb (4) N/A 2.0 μg/m3 (8) 28.0
 
Sept. 16, 2019, 8 p.m. 7.0 ppb (6) 2.2 ppb (2) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (28) 0.35 ppb (4) N/A 3.0 μg/m3 (12) 28.0
 
Sept. 16, 2019, 7 p.m. 6.6 ppb (6) 2.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) 0.35 ppb (4) N/A 3.0 μg/m3 (12) 26.0
 
Sept. 16, 2019, 6 p.m. 7.5 ppb (7) 2.3 ppb (2) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (25) 0.38 ppb (4) N/A 3.0 μg/m3 (12) 25.0
 
Sept. 16, 2019, 5 p.m. 8.2 ppb (8) 2.6 ppb (2) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) 0.43 ppb (5) N/A 4.0 μg/m3 (17) 24.0
 
Sept. 16, 2019, 4 p.m. 8.4 ppb (8) 3.1 ppb (3) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (21) 0.36 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 16, 2019, 3 p.m. 11.6 ppb (11) 4.0 ppb (4) N/A 8.0 ppb (7) N/A N/A 20.0 ppb (15) 0.38 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2019, 2 p.m. 17.6 ppb (16) 5.8 ppb (5) N/A 12.0 ppb (11) N/A N/A 16.0 ppb (12) 0.54 ppb (6) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 16, 2019, 1 p.m. 22.2 ppb (21) 8.7 ppb (8) N/A 13.0 ppb (12) N/A N/A 9.0 ppb (7) 0.47 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2019, noon 27.8 ppb (26) 11.9 ppb (11) N/A 16.0 ppb (15) N/A N/A 5.0 ppb (4) 0.53 ppb (6) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 16, 2019, 11 a.m. 31.7 ppb (29) 15.6 ppb (14) N/A 16.0 ppb (15) N/A N/A 3.0 ppb (2) 0.53 ppb (6) N/A 6.0 μg/m3 (25) 29.0
 
Sept. 16, 2019, 10 a.m. 14.4 ppb (13) 4.5 ppb (4) N/A 10.0 ppb (9) N/A N/A 6.0 ppb (5) 0.43 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 16, 2019, 9 a.m. 11.8 ppb (11) 2.5 ppb (2) N/A 9.0 ppb (8) N/A N/A 6.0 ppb (5) 0.41 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 16, 2019, 8 a.m. 11.8 ppb (11) 1.7 ppb (2) N/A 10.0 ppb (9) N/A N/A 4.0 ppb (3) 0.49 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 16, 2019, 7 a.m. 12.3 ppb (11) 1.9 ppb (2) N/A 10.0 ppb (9) N/A N/A 5.0 ppb (4) 0.51 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2019, 6 a.m. 19.8 ppb (18) 3.4 ppb (3) N/A 16.0 ppb (15) N/A N/A 3.0 ppb (2) 0.64 ppb (7) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 16, 2019, 5 a.m. 24.6 ppb (23) 2.5 ppb (2) N/A 22.0 ppb (20) N/A N/A 2.0 ppb (2) 0.8 ppb (9) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 16, 2019, 4 a.m. 28.7 ppb (27) 3.7 ppb (3) N/A 25.0 ppb (23) N/A N/A 3.0 ppb (2) 0.69 ppb (8) N/A 15.0 μg/m3 (56) 56.0
 
Sept. 16, 2019, 3 a.m. 37.3 ppb (35) 9.8 ppb (9) N/A 28.0 ppb (26) N/A N/A 2.0 ppb (2) 1.02 ppb (11) N/A 13.0 μg/m3 (52) 52.0
 
Sept. 16, 2019, 2 a.m. 38.3 ppb (35) 9.4 ppb (9) N/A 29.0 ppb (27) N/A N/A 3.0 ppb (2) 1.07 ppb (12) N/A 24.0 μg/m3 (76) 76.0
 
Sept. 16, 2019, 1 a.m. 28.2 ppb (26) 4.8 ppb (4) N/A 23.0 ppb (21) N/A N/A 9.0 ppb (7) 0.92 ppb (10) N/A 17.0 μg/m3 (61) 61.0
 
Sept. 16, 2019, midnight 11.4 ppb (11) 1.9 ppb (2) N/A 9.0 ppb (8) N/A N/A 25.0 ppb (19) 0.53 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2019, 11 p.m. 6.0 ppb (6) 1.8 ppb (2) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) 0.39 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2019, 10 p.m. 6.3 ppb (6) 2.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (29) 0.37 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2019, 9 p.m. 6.2 ppb (6) 1.9 ppb (2) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (34) 0.36 ppb (4) N/A 8.0 μg/m3 (33) 34.0
 
Sept. 15, 2019, 8 p.m. 7.4 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A 47.0 ppb (36) 0.36 ppb (4) N/A 8.0 μg/m3 (33) 36.0
 
Sept. 15, 2019, 7 p.m. 10.2 ppb (9) 2.7 ppb (3) N/A 7.0 ppb (6) N/A N/A 41.0 ppb (32) 0.4 ppb (4) N/A 7.0 μg/m3 (29) 32.0
 
Sept. 15, 2019, 6 p.m. 7.3 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (30) 0.36 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2019, 5 p.m. 9.0 ppb (8) 2.9 ppb (3) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (25) 0.39 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2019, 4 p.m. 10.8 ppb (10) 3.9 ppb (4) N/A 7.0 ppb (6) N/A N/A 24.0 ppb (18) 0.41 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2019, 3 p.m. 16.2 ppb (15) 5.5 ppb (5) N/A 11.0 ppb (10) N/A N/A 19.0 ppb (15) 0.44 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 15, 2019, 2 p.m. 16.6 ppb (15) 7.3 ppb (7) N/A 9.0 ppb (8) N/A N/A 12.0 ppb (9) 0.47 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2019, 1 p.m. 18.4 ppb (17) 9.2 ppb (9) N/A 9.0 ppb (8) N/A N/A 6.0 ppb (5) 0.48 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2019, noon 15.5 ppb (14) 6.8 ppb (6) N/A 9.0 ppb (8) N/A N/A 2.0 ppb (2) 0.56 ppb (6) N/A 3.0 μg/m3 (12) 14.0
 
Sept. 15, 2019, 11 a.m. 12.1 ppb (11) 3.7 ppb (3) N/A 8.0 ppb (7) N/A N/A 3.0 ppb (2) 0.49 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2019, 10 a.m. 10.3 ppb (10) 2.2 ppb (2) N/A 8.0 ppb (7) N/A N/A N/A 0.5 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2019, 9 a.m. 12.3 ppb (11) 2.3 ppb (2) N/A 10.0 ppb (9) N/A N/A 2.0 ppb (2) 0.51 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2019, 8 a.m. 18.1 ppb (17) 5.9 ppb (5) N/A 12.0 ppb (11) N/A N/A 1.0 ppb (1) 0.64 ppb (7) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2019, 7 a.m. 12.6 ppb (12) 2.5 ppb (2) N/A 10.0 ppb (9) N/A N/A 4.0 ppb (3) 0.61 ppb (7) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2019, 6 a.m. 12.7 ppb (12) 2.5 ppb (2) N/A 10.0 ppb (9) N/A N/A 8.0 ppb (6) 0.52 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2019, 5 a.m. 21.9 ppb (20) 6.6 ppb (6) N/A 15.0 ppb (14) N/A N/A 3.0 ppb (2) 0.78 ppb (9) N/A 14.0 μg/m3 (54) 54.0
 
Sept. 15, 2019, 4 a.m. 16.2 ppb (15) 3.1 ppb (3) N/A 13.0 ppb (12) N/A N/A 4.0 ppb (3) 0.65 ppb (7) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 15, 2019, 3 a.m. 19.0 ppb (18) 5.3 ppb (5) N/A 14.0 ppb (13) N/A N/A 6.0 ppb (5) 0.64 ppb (7) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 15, 2019, 2 a.m. 16.7 ppb (15) 3.8 ppb (4) N/A 13.0 ppb (12) N/A N/A 9.0 ppb (7) 0.58 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2019, 1 a.m. 19.8 ppb (18) 4.8 ppb (4) N/A 15.0 ppb (14) N/A N/A 8.0 ppb (6) 0.56 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2019, midnight 18.8 ppb (17) 5.1 ppb (5) N/A 14.0 ppb (13) N/A N/A 11.0 ppb (8) 0.63 ppb (7) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 14, 2019, 11 p.m. 12.0 ppb (11) 3.1 ppb (3) N/A 9.0 ppb (8) N/A N/A 17.0 ppb (13) 0.53 ppb (6) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 14, 2019, 10 p.m. 9.3 ppb (9) 2.4 ppb (2) N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) 0.48 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 14, 2019, 9 p.m. 6.8 ppb (6) 2.1 ppb (2) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (21) 0.4 ppb (4) N/A 2.0 μg/m3 (8) 21.0
 
Sept. 14, 2019, 8 p.m. 5.9 ppb (5) 2.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (22) 0.36 ppb (4) N/A 4.0 μg/m3 (17) 22.0
 
Sept. 14, 2019, 7 p.m. 9.0 ppb (8) 4.0 ppb (4) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) 0.38 ppb (4) N/A 3.0 μg/m3 (12) 18.0
 
Sept. 14, 2019, 6 p.m. 7.1 ppb (7) 3.2 ppb (3) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) 0.34 ppb (4) N/A 3.0 μg/m3 (12) 15.0
 
Sept. 14, 2019, 5 p.m. 7.4 ppb (7) 3.3 ppb (3) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) 0.33 ppb (4) N/A 2.0 μg/m3 (8) 16.0
 
Sept. 14, 2019, 4 p.m. 10.0 ppb (9) 4.6 ppb (4) N/A 5.0 ppb (5) N/A N/A 18.0 ppb (14) 0.35 ppb (4) N/A 1.0 μg/m3 (4) 14.0
 
Sept. 14, 2019, 3 p.m. 11.4 ppb (11) 5.6 ppb (5) N/A 6.0 ppb (6) N/A N/A 14.0 ppb (11) 0.36 ppb (4) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 14, 2019, 2 p.m. 14.6 ppb (14) 7.6 ppb (7) N/A 7.0 ppb (6) N/A N/A 10.0 ppb (8) 0.36 ppb (4) N/A 0.0 μg/m3 (0) 14.0
 
Sept. 14, 2019, 1 p.m. 16.6 ppb (15) 9.1 ppb (8) N/A 7.0 ppb (6) N/A N/A 6.0 ppb (5) 0.4 ppb (4) N/A 0.0 μg/m3 (0) 15.0
 
Sept. 14, 2019, noon 27.4 ppb (25) 17.0 ppb (16) N/A 10.0 ppb (9) N/A N/A 2.0 ppb (2) 0.47 ppb (5) N/A 3.0 μg/m3 (12) 25.0
 
Sept. 14, 2019, 11 a.m. 21.0 ppb (19) 12.3 ppb (11) N/A 9.0 ppb (8) N/A N/A 2.0 ppb (2) 0.43 ppb (5) N/A 3.0 μg/m3 (12) 19.0
 
Sept. 14, 2019, 10 a.m. 8.6 ppb (8) 3.9 ppb (4) N/A 5.0 ppb (5) N/A N/A 7.0 ppb (5) 0.34 ppb (4) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 14, 2019, 9 a.m. 7.1 ppb (7) 3.1 ppb (3) N/A 4.0 ppb (4) N/A N/A 8.0 ppb (6) 0.34 ppb (4) N/A 2.0 μg/m3 (8) 8.0
 
Sept. 14, 2019, 8 a.m. 7.9 ppb (7) 3.4 ppb (3) N/A 4.0 ppb (4) N/A N/A 8.0 ppb (6) 0.36 ppb (4) N/A 2.0 μg/m3 (8) 8.0
 
Sept. 14, 2019, 7 a.m. 9.2 ppb (9) 3.3 ppb (3) N/A 6.0 ppb (6) N/A N/A 7.0 ppb (5) 0.35 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 14, 2019, 6 a.m. 14.3 ppb (13) 7.0 ppb (6) N/A 7.0 ppb (6) N/A N/A 6.0 ppb (5) 0.47 ppb (5) N/A 3.0 μg/m3 (12) 13.0
 
Sept. 14, 2019, 5 a.m. 12.4 ppb (11) 4.1 ppb (4) N/A 8.0 ppb (7) N/A N/A 6.0 ppb (5) 0.46 ppb (5) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 14, 2019, 4 a.m. 8.1 ppb (8) 1.9 ppb (2) N/A 6.0 ppb (6) N/A N/A 11.0 ppb (8) 0.38 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 14, 2019, 3 a.m. 15.2 ppb (14) 6.4 ppb (6) N/A 9.0 ppb (8) N/A N/A 13.0 ppb (10) 0.44 ppb (5) N/A -1.0 μg/m3 (0) 14.0
 
Sept. 14, 2019, 2 a.m. 11.2 ppb (10) 2.9 ppb (3) N/A 8.0 ppb (7) N/A N/A 10.0 ppb (8) 0.37 ppb (4) N/A 1.0 μg/m3 (4) 10.0
 
Sept. 14, 2019, 1 a.m. 8.7 ppb (8) 2.7 ppb (3) N/A 6.0 ppb (6) N/A N/A 12.0 ppb (9) 0.34 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 14, 2019, midnight 7.8 ppb (7) 3.4 ppb (3) N/A 4.0 ppb (4) N/A N/A 13.0 ppb (10) 0.34 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 13, 2019, 11 p.m. 23.8 ppb (22) 14.3 ppb (13) N/A 9.0 ppb (8) N/A N/A 10.0 ppb (8) 0.5 ppb (6) N/A 1.0 μg/m3 (4) 22.0
 
Sept. 13, 2019, 10 p.m. 18.2 ppb (17) 10.8 ppb (10) N/A 7.0 ppb (6) N/A N/A 11.0 ppb (8) 0.42 ppb (5) N/A 2.0 μg/m3 (8) 17.0
 
Sept. 13, 2019, 9 p.m. 27.1 ppb (25) 17.5 ppb (16) N/A 10.0 ppb (9) N/A N/A 10.0 ppb (8) 0.51 ppb (6) N/A 4.0 μg/m3 (17) 25.0
 
Sept. 13, 2019, 8 p.m. 23.2 ppb (21) 15.3 ppb (14) N/A 8.0 ppb (7) N/A N/A 10.0 ppb (8) 0.44 ppb (5) N/A 4.0 μg/m3 (17) 21.0
 
Sept. 13, 2019, 7 p.m. 13.5 ppb (12) 8.7 ppb (8) N/A 5.0 ppb (5) N/A N/A 12.0 ppb (9) 0.35 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 13, 2019, 6 p.m. 19.5 ppb (18) 13.3 ppb (12) N/A 6.0 ppb (6) N/A N/A 10.0 ppb (8) 0.4 ppb (4) N/A -2.0 μg/m3 (0) 18.0
 
Sept. 13, 2019, 5 p.m. 19.1 ppb (18) 13.4 ppb (12) N/A 6.0 ppb (6) N/A N/A 10.0 ppb (8) 0.37 ppb (4) N/A -3.0 μg/m3 (0) 18.0
 
Sept. 13, 2019, 4 p.m. 16.0 ppb (15) 11.1 ppb (10) N/A 5.0 ppb (5) N/A N/A N/A 0.34 ppb (4) N/A 0.0 μg/m3 (0) 15.0
 
Sept. 13, 2019, 3 p.m. 15.2 ppb (14) 10.8 ppb (10) N/A 4.0 ppb (4) N/A N/A N/A 0.34 ppb (4) N/A -1.0 μg/m3 (0) 14.0
 
Sept. 13, 2019, 2 p.m. 33.5 ppb (31) 26.1 ppb (24) N/A 7.0 ppb (6) N/A N/A N/A 0.43 ppb (5) N/A -1.0 μg/m3 (0) 31.0
 
Sept. 13, 2019, 1 p.m. 11.8 ppb (11) 7.7 ppb (7) N/A 4.0 ppb (4) N/A N/A 8.0 ppb (6) 0.33 ppb (4) N/A 0.0 μg/m3 (0) 11.0
 
Sept. 13, 2019, noon 8.9 ppb (8) 5.0 ppb (5) N/A 4.0 ppb (4) N/A N/A 6.0 ppb (5) 0.32 ppb (4) N/A 1.0 μg/m3 (4) 8.0
 
Sept. 13, 2019, 11 a.m. 9.4 ppb (9) 4.7 ppb (4) N/A 5.0 ppb (5) N/A N/A 6.0 ppb (5) 0.33 ppb (4) N/A 1.0 μg/m3 (4) 9.0
 
Sept. 13, 2019, 10 a.m. 4.9 ppb (5) 2.6 ppb (2) N/A 2.0 ppb (2) N/A N/A 9.0 ppb (7) 0.3 ppb (3) N/A 1.0 μg/m3 (4) 7.0
 
Sept. 13, 2019, 9 a.m. 4.6 ppb (4) 2.7 ppb (3) N/A 2.0 ppb (2) N/A N/A 12.0 ppb (9) 0.3 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 13, 2019, 8 a.m. 3.3 ppb (3) 1.7 ppb (2) N/A 2.0 ppb (2) N/A N/A 11.0 ppb (8) 0.31 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 13, 2019, 7 a.m. 3.7 ppb (3) 1.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 12.0 ppb (9) 0.32 ppb (4) N/A -1.0 μg/m3 (0) 9.0
 
Sept. 13, 2019, 6 a.m. 6.0 ppb (6) 1.8 ppb (2) N/A 4.0 ppb (4) N/A N/A 12.0 ppb (9) 0.32 ppb (4) N/A 0.0 μg/m3 (0) 9.0
 
Sept. 13, 2019, 5 a.m. 4.9 ppb (5) 1.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 13.0 ppb (10) 0.38 ppb (4) N/A 2.0 μg/m3 (8) 10.0
 
Sept. 13, 2019, 4 a.m. 11.9 ppb (11) 1.9 ppb (2) N/A 10.0 ppb (9) N/A N/A 8.0 ppb (6) 0.44 ppb (5) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 13, 2019, 3 a.m. 12.6 ppb (12) 2.9 ppb (3) N/A 10.0 ppb (9) N/A N/A 7.0 ppb (5) 0.43 ppb (5) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 13, 2019, 2 a.m. 11.9 ppb (11) 3.0 ppb (3) N/A 9.0 ppb (8) N/A N/A 7.0 ppb (5) 0.44 ppb (5) N/A 2.0 μg/m3 (8) 11.0
 
Sept. 13, 2019, 1 a.m. 11.4 ppb (11) 3.4 ppb (3) N/A 8.0 ppb (7) N/A N/A 8.0 ppb (6) 0.43 ppb (5) N/A 2.0 μg/m3 (8) 11.0
 
Sept. 13, 2019, midnight 8.9 ppb (8) 2.9 ppb (3) N/A 6.0 ppb (6) N/A N/A 10.0 ppb (8) 0.41 ppb (5) N/A 0.0 μg/m3 (0) 8.0
 
Sept. 12, 2019, 11 p.m. 9.2 ppb (9) 3.4 ppb (3) N/A 6.0 ppb (6) N/A N/A 9.0 ppb (7) 0.41 ppb (5) N/A 0.0 μg/m3 (0) 9.0
 
Sept. 12, 2019, 10 p.m. 7.4 ppb (7) 3.1 ppb (3) N/A 4.0 ppb (4) N/A N/A 10.0 ppb (8) 0.39 ppb (4) N/A 2.0 μg/m3 (8) 8.0
 
Sept. 12, 2019, 9 p.m. 8.1 ppb (8) 3.5 ppb (3) N/A 5.0 ppb (5) N/A N/A 10.0 ppb (8) 0.39 ppb (4) N/A 2.0 μg/m3 (8) 8.0
 
Sept. 12, 2019, 8 p.m. 8.0 ppb (7) 3.8 ppb (4) N/A 4.0 ppb (4) N/A N/A 9.0 ppb (7) 0.38 ppb (4) N/A 0.0 μg/m3 (0) 7.0
 
Sept. 12, 2019, 7 p.m. 8.3 ppb (8) 3.9 ppb (4) N/A 4.0 ppb (4) N/A N/A 9.0 ppb (7) 0.37 ppb (4) N/A -1.0 μg/m3 (0) 8.0
 
Sept. 12, 2019, 6 p.m. 7.6 ppb (7) 3.7 ppb (3) N/A 4.0 ppb (4) N/A N/A 8.0 ppb (6) 0.35 ppb (4) N/A 1.0 μg/m3 (4) 7.0
 
Sept. 12, 2019, 5 p.m. 6.7 ppb (6) 3.4 ppb (3) N/A 3.0 ppb (3) N/A N/A 10.0 ppb (8) 0.34 ppb (4) N/A 1.0 μg/m3 (4) 8.0
 
Sept. 12, 2019, 4 p.m. 6.4 ppb (6) 3.7 ppb (3) N/A 3.0 ppb (3) N/A N/A 10.0 ppb (8) 0.33 ppb (4) N/A -3.0 μg/m3 (0) 8.0
 
Sept. 12, 2019, 3 p.m. 8.1 ppb (8) 4.8 ppb (4) N/A 3.0 ppb (3) N/A N/A 8.0 ppb (6) 0.34 ppb (4) N/A -2.0 μg/m3 (0) 8.0
 
Sept. 12, 2019, 2 p.m. 8.7 ppb (8) 4.1 ppb (4) N/A 4.0 ppb (4) N/A N/A 7.0 ppb (5) 0.33 ppb (4) N/A 1.0 μg/m3 (4) 8.0
 
Sept. 12, 2019, 1 p.m. 14.7 ppb (14) 6.2 ppb (6) N/A 8.0 ppb (7) N/A N/A 5.0 ppb (4) 0.37 ppb (4) N/A 2.0 μg/m3 (8) 14.0
 
Sept. 12, 2019, noon 21.2 ppb (20) 11.7 ppb (11) N/A 10.0 ppb (9) N/A N/A 4.0 ppb (3) 0.44 ppb (5) N/A 1.0 μg/m3 (4) 20.0
 
Sept. 12, 2019, 11 a.m. 12.6 ppb (12) 5.4 ppb (5) N/A 7.0 ppb (6) N/A N/A 6.0 ppb (5) 0.34 ppb (4) N/A -1.0 μg/m3 (0) 12.0
 
Sept. 12, 2019, 10 a.m. 8.3 ppb (8) 3.2 ppb (3) N/A 5.0 ppb (5) N/A N/A 8.0 ppb (6) 0.37 ppb (4) N/A 1.0 μg/m3 (4) 8.0
 
Sept. 12, 2019, 9 a.m. 6.1 ppb (6) 2.8 ppb (3) N/A 3.0 ppb (3) N/A N/A 7.0 ppb (5) 0.3 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 12, 2019, 8 a.m. 5.2 ppb (5) 2.4 ppb (2) N/A 3.0 ppb (3) N/A N/A 7.0 ppb (5) 0.3 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 12, 2019, 7 a.m. 4.5 ppb (4) 2.4 ppb (2) N/A 2.0 ppb (2) N/A N/A 7.0 ppb (5) 0.29 ppb (3) N/A 2.0 μg/m3 (8) 8.0
 
Sept. 12, 2019, 6 a.m. 4.1 ppb (4) 2.6 ppb (2) N/A 1.0 ppb (1) N/A N/A 7.0 ppb (5) 0.3 ppb (3) N/A 0.0 μg/m3 (0) 5.0
 
Sept. 12, 2019, 5 a.m. 4.6 ppb (4) 3.1 ppb (3) N/A 1.0 ppb (1) N/A N/A 8.0 ppb (6) 0.3 ppb (3) N/A -1.0 μg/m3 (0) 6.0
 
Sept. 12, 2019, 4 a.m. 6.8 ppb (6) 4.6 ppb (4) N/A 2.0 ppb (2) N/A N/A 7.0 ppb (5) 0.32 ppb (4) N/A 0.0 μg/m3 (0) 6.0
 
Sept. 12, 2019, 3 a.m. 8.2 ppb (8) 5.5 ppb (5) N/A 3.0 ppb (3) N/A N/A 7.0 ppb (5) 0.34 ppb (4) N/A -2.0 μg/m3 (0) 8.0
 
Sept. 12, 2019, 2 a.m. 9.2 ppb (9) 6.2 ppb (6) N/A 3.0 ppb (3) N/A N/A 8.0 ppb (6) 0.38 ppb (4) N/A -1.0 μg/m3 (0) 9.0
 
Sept. 12, 2019, 1 a.m. 12.2 ppb (11) 8.7 ppb (8) N/A 3.0 ppb (3) N/A N/A 6.0 ppb (5) N/A N/A -1.0 μg/m3 (0) 11.0
 
Sept. 12, 2019, midnight 19.5 ppb (18) 13.2 ppb (12) N/A 6.0 ppb (6) N/A N/A 5.0 ppb (4) 0.47 ppb (5) N/A -3.0 μg/m3 (0) 18.0
 
Sept. 11, 2019, 11 p.m. 22.6 ppb (21) 13.9 ppb (13) N/A 9.0 ppb (8) N/A N/A 9.0 ppb (7) 0.59 ppb (7) N/A -1.0 μg/m3 (0) 21.0
 
Sept. 11, 2019, 10 p.m. 22.4 ppb (21) 14.9 ppb (14) N/A 7.0 ppb (6) N/A N/A 7.0 ppb (5) 0.51 ppb (6) N/A 2.0 μg/m3 (8) 21.0
 
Sept. 11, 2019, 9 p.m. 27.6 ppb (26) 19.1 ppb (18) N/A 8.0 ppb (7) N/A N/A 6.0 ppb (5) 0.54 ppb (6) N/A 3.0 μg/m3 (12) 26.0
 
Sept. 11, 2019, 8 p.m. 31.7 ppb (29) 20.8 ppb (19) N/A 11.0 ppb (10) N/A N/A 7.0 ppb (5) 0.57 ppb (6) N/A 4.0 μg/m3 (17) 29.0
 
Sept. 11, 2019, 7 p.m. 33.3 ppb (31) 22.3 ppb (21) N/A 11.0 ppb (10) N/A N/A 9.0 ppb (7) 0.56 ppb (6) N/A 6.0 μg/m3 (25) 31.0
 
Sept. 11, 2019, 6 p.m. 38.9 ppb (36) 27.4 ppb (25) N/A 12.0 ppb (11) N/A N/A 8.0 ppb (6) 0.54 ppb (6) N/A 1.0 μg/m3 (4) 36.0
 
Sept. 11, 2019, 5 p.m. 45.4 ppb (42) 31.8 ppb (29) N/A 14.0 ppb (13) N/A N/A 6.0 ppb (5) 0.55 ppb (6) N/A 1.0 μg/m3 (4) 42.0
 
Sept. 11, 2019, 4 p.m. 37.8 ppb (35) 24.4 ppb (23) N/A 13.0 ppb (12) N/A N/A 7.0 ppb (5) 0.5 ppb (6) N/A 4.0 μg/m3 (17) 35.0
 
Sept. 11, 2019, 3 p.m. 48.8 ppb (45) 33.3 ppb (31) N/A 16.0 ppb (15) N/A N/A 6.0 ppb (5) 0.55 ppb (6) N/A 4.0 μg/m3 (17) 45.0
 
Sept. 11, 2019, 2 p.m. 42.1 ppb (39) 26.7 ppb (25) N/A 15.0 ppb (14) N/A N/A 6.0 ppb (5) 0.54 ppb (6) N/A 1.0 μg/m3 (4) 39.0
 
Sept. 11, 2019, 1 p.m. 29.6 ppb (27) 16.4 ppb (15) N/A 13.0 ppb (12) N/A N/A 7.0 ppb (5) 0.51 ppb (6) N/A 2.0 μg/m3 (8) 27.0
 
Sept. 11, 2019, noon 27.3 ppb (25) 16.8 ppb (16) N/A 10.0 ppb (9) N/A N/A 6.0 ppb (5) 0.49 ppb (5) N/A 3.0 μg/m3 (12) 25.0
 
Sept. 11, 2019, 11 a.m. 23.3 ppb (22) 14.4 ppb (13) N/A 9.0 ppb (8) N/A N/A 7.0 ppb (5) 0.45 ppb (5) N/A 3.0 μg/m3 (12) 22.0
 
Sept. 11, 2019, 10 a.m. 13.7 ppb (13) 7.4 ppb (7) N/A 6.0 ppb (6) N/A N/A 9.0 ppb (7) 0.38 ppb (4) N/A 0.0 μg/m3 (0) 13.0
 
Sept. 11, 2019, 9 a.m. 9.6 ppb (9) 5.2 ppb (5) N/A 4.0 ppb (4) N/A N/A 10.0 ppb (8) 0.34 ppb (4) N/A 0.0 μg/m3 (0) 9.0
 
Sept. 11, 2019, 8 a.m. 6.0 ppb (6) 2.8 ppb (3) N/A 3.0 ppb (3) N/A N/A 11.0 ppb (8) 0.33 ppb (4) N/A 1.0 μg/m3 (4) 8.0
 
Sept. 11, 2019, 7 a.m. 7.4 ppb (7) 3.0 ppb (3) N/A 4.0 ppb (4) N/A N/A 11.0 ppb (8) 0.35 ppb (4) N/A 2.0 μg/m3 (8) 8.0
 
Sept. 11, 2019, 6 a.m. 11.5 ppb (11) 4.4 ppb (4) N/A 7.0 ppb (6) N/A N/A 11.0 ppb (8) 0.38 ppb (4) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 11, 2019, 5 a.m. 16.5 ppb (15) 5.4 ppb (5) N/A 11.0 ppb (10) N/A N/A 11.0 ppb (8) 0.45 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 11, 2019, 4 a.m. 45.7 ppb (42) 20.2 ppb (19) N/A 26.0 ppb (24) N/A N/A 1.0 ppb (1) 0.75 ppb (8) N/A 13.0 μg/m3 (52) 52.0
 
Sept. 11, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.9 ppb (10) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 11, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.96 ppb (11) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 11, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 0.81 ppb (9) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 11, 2019, midnight 35.6 ppb (33) 16.8 ppb (16) N/A 19.0 ppb (18) N/A N/A 13.0 ppb (10) 0.68 ppb (8) N/A 4.0 μg/m3 (17) 33.0
 
Sept. 10, 2019, 11 p.m. 30.0 ppb (28) 14.0 ppb (13) N/A 16.0 ppb (15) N/A N/A 17.0 ppb (13) 0.64 ppb (7) N/A 3.0 μg/m3 (12) 28.0
 
Sept. 10, 2019, 10 p.m. 22.1 ppb (20) 10.6 ppb (10) N/A 11.0 ppb (10) N/A N/A 21.0 ppb (16) 0.52 ppb (6) N/A 3.0 μg/m3 (12) 20.0
 
Sept. 10, 2019, 9 p.m. 26.8 ppb (25) 14.2 ppb (13) N/A 13.0 ppb (12) N/A N/A 19.0 ppb (15) 0.56 ppb (6) N/A 3.0 μg/m3 (12) 25.0
 
Sept. 10, 2019, 8 p.m. 23.2 ppb (21) 12.4 ppb (11) N/A 11.0 ppb (10) N/A N/A 19.0 ppb (15) 0.5 ppb (6) N/A 1.0 μg/m3 (4) 21.0
 
Sept. 10, 2019, 7 p.m. 25.7 ppb (24) 15.1 ppb (14) N/A 11.0 ppb (10) N/A N/A 19.0 ppb (15) 0.49 ppb (5) N/A 3.0 μg/m3 (12) 24.0
 
Sept. 10, 2019, 6 p.m. 20.4 ppb (19) 11.6 ppb (11) N/A 9.0 ppb (8) N/A N/A 19.0 ppb (15) 0.44 ppb (5) N/A 4.0 μg/m3 (17) 19.0
 
Sept. 10, 2019, 5 p.m. 15.5 ppb (14) 8.1 ppb (8) N/A 7.0 ppb (6) N/A N/A 19.0 ppb (15) 0.4 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 10, 2019, 4 p.m. 7.9 ppb (7) 3.5 ppb (3) N/A 4.0 ppb (4) N/A N/A 19.0 ppb (15) 0.36 ppb (4) N/A 3.0 μg/m3 (12) 15.0
 
Sept. 10, 2019, 3 p.m. 20.1 ppb (19) 10.6 ppb (10) N/A 9.0 ppb (8) N/A N/A 15.0 ppb (12) 0.44 ppb (5) N/A 4.0 μg/m3 (17) 19.0
 
Sept. 10, 2019, 2 p.m. 14.4 ppb (13) 5.6 ppb (5) N/A 9.0 ppb (8) N/A N/A 14.0 ppb (11) 0.42 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 10, 2019, 1 p.m. 14.7 ppb (14) 5.2 ppb (5) N/A 10.0 ppb (9) N/A N/A 13.0 ppb (10) 0.43 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 10, 2019, noon 16.1 ppb (15) 5.6 ppb (5) N/A 11.0 ppb (10) N/A N/A 10.0 ppb (8) 0.45 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 10, 2019, 11 a.m. 13.9 ppb (13) 5.5 ppb (5) N/A 8.0 ppb (7) N/A N/A 11.0 ppb (8) 0.43 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 10, 2019, 10 a.m. 6.2 ppb (6) 1.9 ppb (2) N/A 4.0 ppb (4) N/A N/A 16.0 ppb (12) 0.38 ppb (4) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 10, 2019, 9 a.m. 4.4 ppb (4) 1.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 19.0 ppb (15) 0.33 ppb (4) N/A 2.0 μg/m3 (8) 15.0
 
Sept. 10, 2019, 8 a.m. 4.6 ppb (4) 1.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 18.0 ppb (14) 0.33 ppb (4) N/A -2.0 μg/m3 (0) 14.0
 
Sept. 10, 2019, 7 a.m. 4.8 ppb (4) 1.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 17.0 ppb (13) 0.32 ppb (4) N/A -1.0 μg/m3 (0) 13.0