AQSQID: 270370480

Site Name: Lakeville - Near Road

Location: Lakeville, MN

Reporting: True, Located: True

Current AQI: 29.0

Lakeville MN, US: 44.706123, -93.285803

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 19, 2019, 4 a.m. 2.6 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.36 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 19, 2019, 3 a.m. 2.3 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.34 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 19, 2019, 2 a.m. 2.8 ppb (3) 0.5 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
 
Sept. 19, 2019, 1 a.m. 2.8 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.25 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 19, 2019, midnight 2.2 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.16 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 18, 2019, 11 p.m. 2.8 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.13 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 18, 2019, 10 p.m. 2.1 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.09 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 18, 2019, 9 p.m. 3.5 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.1 ppb (1) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 18, 2019, 8 p.m. 4.2 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.13 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2019, 7 p.m. 8.7 ppb (8) 2.3 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.12 ppb (1) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 18, 2019, 6 p.m. 11.8 ppb (11) 3.7 ppb (3) N/A 8.0 ppb (7) N/A N/A N/A 0.17 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 18, 2019, 5 p.m. 18.2 ppb (17) 6.7 ppb (6) N/A 12.0 ppb (11) N/A N/A N/A 0.27 ppb (3) N/A 3.0 μg/m3 (12) 17.0
 
Sept. 18, 2019, 4 p.m. 18.4 ppb (17) 7.5 ppb (7) N/A 11.0 ppb (10) N/A N/A N/A 0.56 ppb (6) N/A 0.0 μg/m3 (0) 17.0
 
Sept. 18, 2019, 3 p.m. 21.2 ppb (20) 9.6 ppb (9) N/A 12.0 ppb (11) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 20.0
 
Sept. 18, 2019, 2 p.m. 20.1 ppb (19) 8.1 ppb (8) N/A 12.0 ppb (11) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 19.0
 
Sept. 18, 2019, 1 p.m. 10.6 ppb (10) 3.2 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2019, noon 10.2 ppb (9) 3.7 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A 0.11 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 18, 2019, 11 a.m. 8.1 ppb (8) 1.6 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.1 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2019, 10 a.m. 6.0 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.09 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 18, 2019, 9 a.m. 4.6 ppb (4) 1.3 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.08 ppb (1) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 18, 2019, 8 a.m. 4.8 ppb (4) 1.5 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.08 ppb (1) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 18, 2019, 7 a.m. 3.6 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.07 ppb (1) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 18, 2019, 6 a.m. 2.6 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.07 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 18, 2019, 5 a.m. 3.3 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.06 ppb (1) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 18, 2019, 4 a.m. 5.0 ppb (5) 1.5 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.06 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 18, 2019, 3 a.m. 7.6 ppb (7) 2.6 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.07 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 18, 2019, 2 a.m. 7.2 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.06 ppb (1) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 18, 2019, 1 a.m. 9.3 ppb (9) 2.3 ppb (2) N/A 7.0 ppb (6) N/A N/A N/A 0.04 ppb (0) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 18, 2019, midnight 17.4 ppb (16) 5.2 ppb (5) N/A 12.0 ppb (11) N/A N/A N/A 0.04 ppb (0) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 17, 2019, 11 p.m. 14.7 ppb (14) 4.4 ppb (4) N/A 10.0 ppb (9) N/A N/A N/A 0.01 ppb (0) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 17, 2019, 10 p.m. 15.6 ppb (14) 4.3 ppb (4) N/A 11.0 ppb (10) N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 17, 2019, 9 p.m. 10.7 ppb (10) 2.4 ppb (2) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 17, 2019, 8 p.m. 13.8 ppb (13) 3.8 ppb (4) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
Sept. 17, 2019, 7 p.m. 17.8 ppb (16) 6.8 ppb (6) N/A 11.0 ppb (10) N/A N/A N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
Sept. 17, 2019, 6 p.m. 16.1 ppb (15) 5.4 ppb (5) N/A 11.0 ppb (10) N/A N/A N/A N/A N/A 14.0 μg/m3 (54) 54.0
 
Sept. 17, 2019, 5 p.m. 19.7 ppb (18) 8.1 ppb (8) N/A 12.0 ppb (11) N/A N/A N/A 0.05 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 17, 2019, 4 p.m. 20.7 ppb (19) 9.0 ppb (8) N/A 12.0 ppb (11) N/A N/A N/A 0.09 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 17, 2019, 3 p.m. 20.0 ppb (19) 9.3 ppb (9) N/A 11.0 ppb (10) N/A N/A N/A 0.12 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 17, 2019, 2 p.m. 25.9 ppb (24) 13.7 ppb (13) N/A 12.0 ppb (11) N/A N/A N/A 0.14 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 17, 2019, 1 p.m. 18.5 ppb (17) 8.5 ppb (8) N/A 10.0 ppb (9) N/A N/A N/A 0.15 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 17, 2019, noon 25.2 ppb (23) 11.5 ppb (11) N/A 14.0 ppb (13) N/A N/A N/A 0.19 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 17, 2019, 11 a.m. 22.4 ppb (21) 10.0 ppb (9) N/A 12.0 ppb (11) N/A N/A N/A 0.16 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 17, 2019, 10 a.m. 14.0 ppb (13) 5.1 ppb (5) N/A 9.0 ppb (8) N/A N/A N/A 0.11 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 17, 2019, 9 a.m. 8.2 ppb (8) 2.6 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.07 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 17, 2019, 8 a.m. 6.4 ppb (6) 1.8 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.07 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 17, 2019, 7 a.m. 4.9 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.06 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 17, 2019, 6 a.m. 5.0 ppb (5) 1.2 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.06 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 17, 2019, 5 a.m. 4.1 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.06 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 17, 2019, 4 a.m. 4.3 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.04 ppb (0) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 17, 2019, 3 a.m. 7.3 ppb (7) 2.2 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.05 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 17, 2019, 2 a.m. 9.8 ppb (9) 3.1 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A 0.06 ppb (1) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 17, 2019, 1 a.m. 15.7 ppb (15) 5.8 ppb (5) N/A 10.0 ppb (9) N/A N/A N/A 0.07 ppb (1) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 17, 2019, midnight 16.0 ppb (15) 5.7 ppb (5) N/A 10.0 ppb (9) N/A N/A N/A 0.06 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2019, 11 p.m. 23.4 ppb (22) 10.1 ppb (9) N/A 13.0 ppb (12) N/A N/A N/A 0.05 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2019, 10 p.m. 18.9 ppb (18) 6.9 ppb (6) N/A 12.0 ppb (11) N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 16, 2019, 9 p.m. 20.7 ppb (19) 8.2 ppb (8) N/A 13.0 ppb (12) N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 16, 2019, 8 p.m. 23.1 ppb (21) 9.6 ppb (9) N/A 14.0 ppb (13) N/A N/A N/A N/A N/A 15.0 μg/m3 (56) 56.0
 
Sept. 16, 2019, 7 p.m. 20.0 ppb (19) 8.8 ppb (8) N/A 11.0 ppb (10) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 19.0
 
Sept. 16, 2019, 6 p.m. 29.5 ppb (27) 14.3 ppb (13) N/A 15.0 ppb (14) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 27.0
 
Sept. 16, 2019, 5 p.m. 22.8 ppb (21) 10.4 ppb (10) N/A 12.0 ppb (11) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 21.0
 
Sept. 16, 2019, 4 p.m. 22.7 ppb (21) 10.7 ppb (10) N/A 12.0 ppb (11) N/A N/A N/A 0.03 ppb (0) N/A 4.0 μg/m3 (17) 21.0
 
Sept. 16, 2019, 3 p.m. 25.5 ppb (24) 13.1 ppb (12) N/A 12.0 ppb (11) N/A N/A N/A 0.1 ppb (1) N/A 4.0 μg/m3 (17) 24.0
 
Sept. 16, 2019, 2 p.m. 28.0 ppb (26) 15.5 ppb (14) N/A 13.0 ppb (12) N/A N/A N/A 0.14 ppb (2) N/A 4.0 μg/m3 (17) 26.0
 
Sept. 16, 2019, 1 p.m. 27.4 ppb (25) 14.7 ppb (14) N/A 13.0 ppb (12) N/A N/A N/A 0.17 ppb (2) N/A 5.0 μg/m3 (21) 25.0
 
Sept. 16, 2019, noon 29.0 ppb (27) 15.6 ppb (14) N/A 13.0 ppb (12) N/A N/A N/A 0.19 ppb (2) N/A 4.0 μg/m3 (17) 27.0
 
Sept. 16, 2019, 11 a.m. 28.4 ppb (26) 13.9 ppb (13) N/A 15.0 ppb (14) N/A N/A N/A 0.19 ppb (2) N/A 3.0 μg/m3 (12) 26.0
 
Sept. 16, 2019, 10 a.m. 14.6 ppb (14) 4.4 ppb (4) N/A 10.0 ppb (9) N/A N/A N/A 0.15 ppb (2) N/A 2.0 μg/m3 (8) 14.0
 
Sept. 16, 2019, 9 a.m. 7.9 ppb (7) 1.3 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.11 ppb (1) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 16, 2019, 8 a.m. 4.5 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.1 ppb (1) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 16, 2019, 7 a.m. 4.2 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.12 ppb (1) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 16, 2019, 6 a.m. 6.7 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.13 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2019, 5 a.m. 8.0 ppb (7) 0.5 ppb (0) N/A 8.0 ppb (7) N/A N/A N/A 0.14 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 16, 2019, 4 a.m. 9.6 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (8) N/A N/A N/A 0.15 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2019, 3 a.m. 10.8 ppb (10) 0.8 ppb (1) N/A 10.0 ppb (9) N/A N/A N/A 0.2 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2019, 2 a.m. 25.9 ppb (24) 5.8 ppb (5) N/A 20.0 ppb (19) N/A N/A N/A 0.36 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 16, 2019, 1 a.m. 36.0 ppb (33) 12.1 ppb (11) N/A 24.0 ppb (22) N/A N/A N/A 0.54 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 16, 2019, midnight 36.1 ppb (33) 12.0 ppb (11) N/A 24.0 ppb (22) N/A N/A N/A 0.43 ppb (5) N/A 4.0 μg/m3 (17) 33.0
 
Sept. 15, 2019, 11 p.m. 3.8 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 15, 2019, 10 p.m. 4.1 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Sept. 15, 2019, 9 p.m. 2.5 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
Sept. 15, 2019, 8 p.m. 6.3 ppb (6) 1.9 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 6.0
 
Sept. 15, 2019, 7 p.m. 5.0 ppb (5) 1.3 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Sept. 15, 2019, 6 p.m. 7.2 ppb (7) 2.2 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 15, 2019, 5 p.m. 6.8 ppb (6) 2.1 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.06 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2019, 4 p.m. 9.7 ppb (9) 3.9 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A 0.14 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2019, 3 p.m. 14.3 ppb (13) 5.9 ppb (5) N/A 8.0 ppb (7) N/A N/A N/A 0.25 ppb (3) N/A 3.0 μg/m3 (12) 13.0
 
Sept. 15, 2019, 2 p.m. 17.7 ppb (16) 9.3 ppb (9) N/A 8.0 ppb (7) N/A N/A N/A 0.32 ppb (4) N/A 2.0 μg/m3 (8) 16.0
 
Sept. 15, 2019, 1 p.m. 27.6 ppb (26) 18.3 ppb (17) N/A 9.0 ppb (8) N/A N/A N/A 0.46 ppb (5) N/A 4.0 μg/m3 (17) 26.0
 
Sept. 15, 2019, noon 30.6 ppb (28) 22.9 ppb (21) N/A 8.0 ppb (7) N/A N/A N/A 0.43 ppb (5) N/A 6.0 μg/m3 (25) 28.0
 
Sept. 15, 2019, 11 a.m. 24.6 ppb (23) 18.4 ppb (17) N/A 6.0 ppb (6) N/A N/A N/A 0.36 ppb (4) N/A 3.0 μg/m3 (12) 23.0
 
Sept. 15, 2019, 10 a.m. 10.5 ppb (10) 3.9 ppb (4) N/A 7.0 ppb (6) N/A N/A N/A 0.24 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 15, 2019, 9 a.m. 8.4 ppb (8) 1.5 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.22 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 15, 2019, 8 a.m. 9.3 ppb (9) 2.0 ppb (2) N/A 7.0 ppb (6) N/A N/A N/A 0.21 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 15, 2019, 7 a.m. 12.3 ppb (11) 4.4 ppb (4) N/A 8.0 ppb (7) N/A N/A N/A 0.24 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2019, 6 a.m. 8.0 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.25 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2019, 5 a.m. 13.8 ppb (13) 3.2 ppb (3) N/A 11.0 ppb (10) N/A N/A N/A 0.24 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2019, 4 a.m. 10.8 ppb (10) 2.0 ppb (2) N/A 9.0 ppb (8) N/A N/A N/A 0.18 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2019, 3 a.m. 12.3 ppb (11) 2.0 ppb (2) N/A 10.0 ppb (9) N/A N/A N/A 0.22 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2019, 2 a.m. 16.1 ppb (15) 3.1 ppb (3) N/A 13.0 ppb (12) N/A N/A N/A 0.26 ppb (3) N/A 3.0 μg/m3 (12) 15.0
 
Sept. 15, 2019, 1 a.m. 13.9 ppb (13) 2.6 ppb (2) N/A 11.0 ppb (10) N/A N/A N/A 0.26 ppb (3) N/A 2.0 μg/m3 (8) 13.0
 
Sept. 15, 2019, midnight 14.8 ppb (14) 3.7 ppb (3) N/A 11.0 ppb (10) N/A N/A N/A 0.26 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 14, 2019, 11 p.m. 23.8 ppb (22) 8.4 ppb (8) N/A 15.0 ppb (14) N/A N/A N/A 0.31 ppb (3) N/A 2.0 μg/m3 (8) 22.0
 
Sept. 14, 2019, 10 p.m. 18.4 ppb (17) 5.9 ppb (5) N/A 12.0 ppb (11) N/A N/A N/A 0.19 ppb (2) N/A 1.0 μg/m3 (4) 17.0
 
Sept. 14, 2019, 9 p.m. 19.9 ppb (18) 7.2 ppb (7) N/A 13.0 ppb (12) N/A N/A N/A 0.14 ppb (2) N/A 1.0 μg/m3 (4) 18.0
 
Sept. 14, 2019, 8 p.m. 14.2 ppb (13) 6.3 ppb (6) N/A 8.0 ppb (7) N/A N/A N/A 0.08 ppb (1) N/A 2.0 μg/m3 (8) 13.0
 
Sept. 14, 2019, 7 p.m. 18.4 ppb (17) 9.3 ppb (9) N/A 9.0 ppb (8) N/A N/A N/A 0.16 ppb (2) N/A 1.0 μg/m3 (4) 17.0
 
Sept. 14, 2019, 6 p.m. 14.4 ppb (13) 7.3 ppb (7) N/A 7.0 ppb (6) N/A N/A N/A 0.12 ppb (1) N/A 1.0 μg/m3 (4) 13.0
 
Sept. 14, 2019, 5 p.m. 13.6 ppb (13) 7.6 ppb (7) N/A 6.0 ppb (6) N/A N/A N/A 0.16 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 14, 2019, 4 p.m. 19.3 ppb (18) 12.2 ppb (11) N/A 7.0 ppb (6) N/A N/A N/A 0.21 ppb (2) N/A 3.0 μg/m3 (12) 18.0
 
Sept. 14, 2019, 3 p.m. 24.6 ppb (23) 16.1 ppb (15) N/A 8.0 ppb (7) N/A N/A N/A 0.29 ppb (3) N/A 3.0 μg/m3 (12) 23.0
 
Sept. 14, 2019, 2 p.m. 20.3 ppb (19) 12.7 ppb (12) N/A 8.0 ppb (7) N/A N/A N/A 0.28 ppb (3) N/A 2.0 μg/m3 (8) 19.0
 
Sept. 14, 2019, 1 p.m. 26.0 ppb (24) 15.8 ppb (15) N/A 10.0 ppb (9) N/A N/A N/A 0.37 ppb (4) N/A 4.0 μg/m3 (17) 24.0
 
Sept. 14, 2019, noon 23.9 ppb (22) 14.4 ppb (13) N/A 9.0 ppb (8) N/A N/A N/A 0.33 ppb (4) N/A 3.0 μg/m3 (12) 22.0
 
Sept. 14, 2019, 11 a.m. 19.2 ppb (18) 9.0 ppb (8) N/A 10.0 ppb (9) N/A N/A N/A 0.26 ppb (3) N/A 1.0 μg/m3 (4) 18.0
 
Sept. 14, 2019, 10 a.m. 13.9 ppb (13) 8.1 ppb (8) N/A 6.0 ppb (6) N/A N/A N/A 0.22 ppb (2) N/A 2.0 μg/m3 (8) 13.0
 
Sept. 14, 2019, 9 a.m. 1.0 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.17 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2019, 8 a.m. 0.9 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.17 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 14, 2019, 7 a.m. 1.1 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.18 ppb (2) N/A 1.0 μg/m3 (4) 4.0
 
Sept. 14, 2019, 6 a.m. 2.7 ppb (3) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.18 ppb (2) N/A 1.0 μg/m3 (4) 4.0
 
Sept. 14, 2019, 5 a.m. 3.6 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.23 ppb (3) N/A 1.0 μg/m3 (4) 4.0
 
Sept. 14, 2019, 4 a.m. 0.9 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.22 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Sept. 14, 2019, 3 a.m. 1.0 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.21 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 14, 2019, 2 a.m. 1.5 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.19 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 14, 2019, 1 a.m. 1.5 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.21 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 14, 2019, midnight 1.5 ppb (1) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.32 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 13, 2019, 11 p.m. 1.1 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.4 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 13, 2019, 10 p.m. 1.3 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.36 ppb (4) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 13, 2019, 9 p.m. 1.5 ppb (1) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.41 ppb (5) N/A 2.0 μg/m3 (8) 8.0
 
Sept. 13, 2019, 8 p.m. 1.1 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.39 ppb (4) N/A 2.0 μg/m3 (8) 8.0
 
Sept. 13, 2019, 7 p.m. 1.2 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.36 ppb (4) N/A 2.0 μg/m3 (8) 8.0
 
Sept. 13, 2019, 6 p.m. 1.2 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.41 ppb (5) N/A 2.0 μg/m3 (8) 8.0
 
Sept. 13, 2019, 5 p.m. 1.3 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.49 ppb (5) N/A 1.0 μg/m3 (4) 5.0
 
Sept. 13, 2019, 4 p.m. 1.5 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.57 ppb (6) N/A -3.0 μg/m3 (0) 6.0
 
Sept. 13, 2019, 3 p.m. 1.2 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.57 ppb (6) N/A -4.0 μg/m3 (0) 6.0
 
Sept. 13, 2019, 2 p.m. 1.4 ppb (1) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.54 ppb (6) N/A 0.0 μg/m3 (0) 6.0
 
Sept. 13, 2019, 1 p.m. 1.3 ppb (1) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.38 ppb (4) N/A 0.0 μg/m3 (0) 4.0
 
Sept. 13, 2019, noon 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.37 ppb (4) N/A 1.0 μg/m3 (4) 4.0
 
Sept. 13, 2019, 11 a.m. 0.9 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.35 ppb (4) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 13, 2019, 10 a.m. 0.8 ppb (1) 0.4 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A 0.4 ppb (4) N/A 1.0 μg/m3 (4) 4.0
 
Sept. 13, 2019, 9 a.m. 0.6 ppb (1) 0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A 0.38 ppb (4) N/A 2.0 μg/m3 (8) 8.0
 
Sept. 13, 2019, 8 a.m. 0.8 ppb (1) 0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A N/A 0.19 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 13, 2019, 7 a.m. 1.3 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.15 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 13, 2019, 6 a.m. 1.3 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.14 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Sept. 13, 2019, 5 a.m. 1.1 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.15 ppb (2) N/A 0.0 μg/m3 (0) 2.0
 
Sept. 13, 2019, 4 a.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.14 ppb (2) N/A 1.0 μg/m3 (4) 4.0
 
Sept. 13, 2019, 3 a.m. 10.7 ppb (10) 3.8 ppb (4) N/A 7.0 ppb (6) N/A N/A N/A 0.2 ppb (2) N/A 0.0 μg/m3 (0) 10.0
 
Sept. 13, 2019, 2 a.m. 20.7 ppb (19) 9.5 ppb (9) N/A 11.0 ppb (10) N/A N/A N/A 0.24 ppb (3) N/A 1.0 μg/m3 (4) 19.0
 
Sept. 13, 2019, 1 a.m. 28.3 ppb (26) 13.0 ppb (12) N/A 15.0 ppb (14) N/A N/A N/A 0.31 ppb (3) N/A 0.0 μg/m3 (0) 26.0
 
Sept. 13, 2019, midnight 28.0 ppb (26) 15.0 ppb (14) N/A 13.0 ppb (12) N/A N/A N/A 0.33 ppb (4) N/A -1.0 μg/m3 (0) 26.0
 
Sept. 12, 2019, 11 p.m. 28.9 ppb (27) 19.4 ppb (18) N/A 9.0 ppb (8) N/A N/A N/A 0.3 ppb (3) N/A 1.0 μg/m3 (4) 27.0
 
Sept. 12, 2019, 10 p.m. 20.1 ppb (19) 13.4 ppb (12) N/A 7.0 ppb (6) N/A N/A N/A 0.25 ppb (3) N/A 1.0 μg/m3 (4) 19.0
 
Sept. 12, 2019, 9 p.m. 14.7 ppb (14) 9.7 ppb (9) N/A 5.0 ppb (5) N/A N/A N/A 0.21 ppb (2) N/A 2.0 μg/m3 (8) 14.0
 
Sept. 12, 2019, 8 p.m. 19.2 ppb (18) 13.4 ppb (12) N/A 6.0 ppb (6) N/A N/A N/A 0.24 ppb (3) N/A 3.0 μg/m3 (12) 18.0
 
Sept. 12, 2019, 7 p.m. 19.1 ppb (18) 13.8 ppb (13) N/A 5.0 ppb (5) N/A N/A N/A 0.21 ppb (2) N/A 1.0 μg/m3 (4) 18.0
 
Sept. 12, 2019, 6 p.m. 21.5 ppb (20) 16.4 ppb (15) N/A 5.0 ppb (5) N/A N/A N/A 0.21 ppb (2) N/A 0.0 μg/m3 (0) 20.0
 
Sept. 12, 2019, 5 p.m. 20.5 ppb (19) 16.1 ppb (15) N/A 4.0 ppb (4) N/A N/A N/A 0.21 ppb (2) N/A 0.0 μg/m3 (0) 19.0
 
Sept. 12, 2019, 4 p.m. 18.2 ppb (17) 13.6 ppb (13) N/A 5.0 ppb (5) N/A N/A N/A 0.2 ppb (2) N/A 0.0 μg/m3 (0) 17.0
 
Sept. 12, 2019, 3 p.m. 18.8 ppb (17) 13.8 ppb (13) N/A 5.0 ppb (5) N/A N/A N/A 0.21 ppb (2) N/A -1.0 μg/m3 (0) 17.0
 
Sept. 12, 2019, 2 p.m. 14.0 ppb (13) 10.1 ppb (9) N/A 4.0 ppb (4) N/A N/A N/A 0.18 ppb (2) N/A -1.0 μg/m3 (0) 13.0
 
Sept. 12, 2019, 1 p.m. 12.2 ppb (11) 8.6 ppb (8) N/A 4.0 ppb (4) N/A N/A N/A 0.18 ppb (2) N/A 0.0 μg/m3 (0) 11.0
 
Sept. 12, 2019, noon 10.9 ppb (10) 7.7 ppb (7) N/A 3.0 ppb (3) N/A N/A N/A 0.2 ppb (2) N/A 0.0 μg/m3 (0) 10.0
 
Sept. 12, 2019, 11 a.m. 10.1 ppb (9) 7.5 ppb (7) N/A 3.0 ppb (3) N/A N/A N/A 0.24 ppb (3) N/A -1.0 μg/m3 (0) 9.0
 
Sept. 12, 2019, 10 a.m. 9.8 ppb (9) 7.0 ppb (6) N/A 3.0 ppb (3) N/A N/A N/A 0.27 ppb (3) N/A -1.0 μg/m3 (0) 9.0
 
Sept. 12, 2019, 9 a.m. 5.3 ppb (5) 3.4 ppb (3) N/A 2.0 ppb (2) N/A N/A N/A 0.25 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 12, 2019, 8 a.m. 4.7 ppb (4) 2.9 ppb (3) N/A 2.0 ppb (2) N/A N/A N/A 0.21 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 12, 2019, 7 a.m. 3.8 ppb (4) 1.7 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A 0.21 ppb (2) N/A 0.0 μg/m3 (0) 4.0
 
Sept. 12, 2019, 6 a.m. 4.4 ppb (4) 1.7 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A 0.21 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Sept. 12, 2019, 5 a.m. 2.8 ppb (3) 1.5 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.2 ppb (2) N/A -2.0 μg/m3 (0) 3.0