AQSQID: 230050029

Site Name: Portland - Deering Oaks

Location: Portland, ME

Reporting: True, Located: True

Current AQI: 24.0

Portland ME, US: 43.660248, -70.268967

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Nov. 17, 2019, 3 a.m. 4.5 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) N/A N/A N/A 24.0
 
Nov. 17, 2019, 2 a.m. 4.9 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) N/A N/A N/A 24.0
 
Nov. 17, 2019, 1 a.m. 8.8 ppb (8) 1.1 ppb (1) N/A 8.0 ppb (7) N/A N/A 28.0 ppb (22) N/A N/A N/A 22.0
 
Nov. 17, 2019, midnight 10.9 ppb (10) 0.7 ppb (1) N/A 10.0 ppb (9) N/A N/A 27.0 ppb (21) N/A N/A N/A 21.0
 
Nov. 16, 2019, 11 p.m. 17.4 ppb (16) 0.9 ppb (1) N/A 17.0 ppb (16) N/A N/A 20.0 ppb (15) N/A N/A N/A 16.0
 
Nov. 16, 2019, 10 p.m. 12.6 ppb (12) 0.5 ppb (0) N/A 12.0 ppb (11) N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Nov. 16, 2019, 9 p.m. 8.4 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A 30.0 ppb (23) N/A N/A N/A 23.0
 
Nov. 16, 2019, 8 p.m. 3.7 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) N/A N/A N/A 28.0
 
Nov. 16, 2019, 7 p.m. 3.6 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) N/A N/A N/A 28.0
 
Nov. 16, 2019, 6 p.m. 3.2 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) N/A N/A N/A 27.0
 
Nov. 16, 2019, 5 p.m. 3.1 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) N/A N/A N/A 26.0
 
Nov. 16, 2019, 4 p.m. 2.9 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) N/A N/A N/A 26.0
 
Nov. 16, 2019, 3 p.m. 3.3 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) N/A N/A N/A 26.0
 
Nov. 16, 2019, 2 p.m. 3.2 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) N/A N/A N/A 26.0
 
Nov. 16, 2019, 1 p.m. 3.0 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) N/A N/A N/A 26.0
 
Nov. 16, 2019, noon 4.3 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (25) N/A N/A N/A 25.0
 
Nov. 16, 2019, 11 a.m. 4.3 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (25) N/A N/A N/A 25.0
 
Nov. 16, 2019, 10 a.m. 3.3 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (26) N/A N/A N/A 26.0
 
Nov. 16, 2019, 9 a.m. 2.3 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) N/A N/A N/A 28.0
 
Nov. 16, 2019, 8 a.m. 2.0 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
Nov. 16, 2019, 7 a.m. 1.9 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
Nov. 16, 2019, 6 a.m. 1.9 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
Nov. 16, 2019, 5 a.m. 2.2 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
Nov. 16, 2019, 4 a.m. 3.6 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (26) N/A N/A N/A 26.0
 
Nov. 16, 2019, 3 a.m. 3.9 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) N/A N/A N/A 25.0
 
Nov. 16, 2019, 2 a.m. 5.8 ppb (5) 0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (22) N/A N/A N/A 22.0
 
Nov. 16, 2019, 1 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (23) N/A N/A N/A 23.0
 
Nov. 16, 2019, midnight 3.5 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) N/A N/A N/A 25.0
 
Nov. 15, 2019, 11 p.m. 4.8 ppb (4) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (25) N/A N/A N/A 25.0
 
Nov. 15, 2019, 10 p.m. 4.8 ppb (4) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) N/A N/A N/A 26.0
 
Nov. 15, 2019, 9 p.m. 10.0 ppb (9) 0.2 ppb (0) N/A 10.0 ppb (9) N/A N/A 28.0 ppb (22) N/A N/A N/A 22.0
 
Nov. 15, 2019, 8 p.m. 9.7 ppb (9) 0.5 ppb (0) N/A 9.0 ppb (8) N/A N/A 28.0 ppb (22) N/A N/A N/A 22.0
 
Nov. 15, 2019, 7 p.m. 6.1 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (25) N/A N/A N/A 25.0
 
Nov. 15, 2019, 6 p.m. 5.6 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (25) N/A N/A N/A 25.0
 
Nov. 15, 2019, 5 p.m. 5.4 ppb (5) 1.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) N/A N/A N/A 25.0
 
Nov. 15, 2019, 4 p.m. 6.8 ppb (6) 1.7 ppb (2) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (24) N/A N/A N/A 24.0
 
Nov. 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 1.0 μg/m3 (4) 22.0
 
Nov. 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 0.0 μg/m3 (0) 18.0
 
Nov. 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 3.0 μg/m3 (12) 13.0
 
Nov. 15, 2019, noon 22.7 ppb (21) 5.8 ppb (5) N/A 17.0 ppb (16) N/A N/A 9.0 ppb (7) N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 15, 2019, 11 a.m. 27.4 ppb (25) 6.5 ppb (6) N/A 21.0 ppb (19) N/A N/A 4.0 ppb (3) N/A N/A N/A 25.0
 
Nov. 15, 2019, 10 a.m. 16.9 ppb (16) 1.0 ppb (1) N/A 16.0 ppb (15) N/A N/A 6.0 ppb (5) N/A N/A 14.0 μg/m3 (54) 54.0
 
Nov. 15, 2019, 9 a.m. 23.5 ppb (22) 3.7 ppb (3) N/A 20.0 ppb (19) N/A N/A 4.0 ppb (3) N/A N/A 12.0 μg/m3 (50) 50.0
 
Nov. 15, 2019, 8 a.m. 19.8 ppb (18) 1.0 ppb (1) N/A 19.0 ppb (18) N/A N/A 5.0 ppb (4) N/A N/A 14.0 μg/m3 (54) 54.0
 
Nov. 15, 2019, 7 a.m. 23.1 ppb (21) 1.7 ppb (2) N/A 21.0 ppb (19) N/A N/A 4.0 ppb (3) N/A N/A 13.0 μg/m3 (52) 52.0
 
Nov. 15, 2019, 6 a.m. 21.5 ppb (20) 1.2 ppb (1) N/A 20.0 ppb (19) N/A N/A 6.0 ppb (5) N/A N/A 14.0 μg/m3 (54) 54.0
 
Nov. 15, 2019, 5 a.m. 16.0 ppb (15) 0.3 ppb (0) N/A 16.0 ppb (15) N/A N/A 10.0 ppb (8) N/A N/A 13.0 μg/m3 (52) 52.0
 
Nov. 15, 2019, 4 a.m. 20.0 ppb (19) 0.7 ppb (1) N/A 19.0 ppb (18) N/A N/A 8.0 ppb (6) N/A N/A 12.0 μg/m3 (50) 50.0
 
Nov. 15, 2019, 3 a.m. 19.7 ppb (18) 1.2 ppb (1) N/A 18.0 ppb (17) N/A N/A 9.0 ppb (7) N/A N/A 17.0 μg/m3 (61) 61.0
 
Nov. 15, 2019, 2 a.m. 18.5 ppb (17) 0.5 ppb (0) N/A 18.0 ppb (17) N/A N/A 11.0 ppb (8) N/A N/A 14.0 μg/m3 (54) 54.0
 
Nov. 15, 2019, 1 a.m. 22.4 ppb (21) 1.7 ppb (2) N/A 21.0 ppb (19) N/A N/A 9.0 ppb (7) N/A N/A 13.0 μg/m3 (52) 52.0
 
Nov. 15, 2019, midnight 22.1 ppb (20) 1.5 ppb (1) N/A 21.0 ppb (19) N/A N/A 10.0 ppb (8) N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 14, 2019, 11 p.m. 17.1 ppb (16) 0.4 ppb (0) N/A 17.0 ppb (16) N/A N/A 15.0 ppb (12) N/A N/A 12.0 μg/m3 (50) 50.0
 
Nov. 14, 2019, 10 p.m. 18.0 ppb (17) 0.2 ppb (0) N/A 18.0 ppb (17) N/A N/A 15.0 ppb (12) N/A N/A 12.0 μg/m3 (50) 50.0
 
Nov. 14, 2019, 9 p.m. 12.6 ppb (12) 0.0 ppb (0) N/A 13.0 ppb (12) N/A N/A 22.0 ppb (17) N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 14, 2019, 8 p.m. 10.1 ppb (9) 0.8 ppb (1) N/A 9.0 ppb (8) N/A N/A 27.0 ppb (21) N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 14, 2019, 7 p.m. 10.6 ppb (10) 1.2 ppb (1) N/A 9.0 ppb (8) N/A N/A 27.0 ppb (21) N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 14, 2019, 6 p.m. 8.3 ppb (8) 1.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 31.0 ppb (24) N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 14, 2019, 5 p.m. 11.6 ppb (11) 3.0 ppb (3) N/A 9.0 ppb (8) N/A N/A 26.0 ppb (20) N/A N/A 10.0 μg/m3 (42) 42.0
 
Nov. 14, 2019, 4 p.m. 17.7 ppb (16) 5.7 ppb (5) N/A 12.0 ppb (11) N/A N/A 20.0 ppb (15) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 14, 2019, 3 p.m. 10.4 ppb (10) 2.8 ppb (3) N/A 8.0 ppb (7) N/A N/A 23.0 ppb (18) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 14, 2019, 2 p.m. 9.6 ppb (9) 3.1 ppb (3) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (18) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 14, 2019, 1 p.m. 16.5 ppb (15) 6.2 ppb (6) N/A 10.0 ppb (9) N/A N/A 20.0 ppb (15) N/A N/A 15.0 μg/m3 (56) 56.0
 
Nov. 14, 2019, noon 32.7 ppb (30) 12.7 ppb (12) N/A 20.0 ppb (19) N/A N/A 7.0 ppb (5) N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 14, 2019, 11 a.m. 39.4 ppb (36) 13.3 ppb (12) N/A 26.0 ppb (24) N/A N/A 1.0 ppb (1) N/A N/A 10.0 μg/m3 (42) 42.0
 
Nov. 14, 2019, 10 a.m. 29.2 ppb (27) 4.2 ppb (4) N/A 25.0 ppb (23) N/A N/A 1.0 ppb (1) N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 14, 2019, 9 a.m. 25.0 ppb (23) 2.9 ppb (3) N/A 22.0 ppb (20) N/A N/A 3.0 ppb (2) N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 14, 2019, 8 a.m. 20.7 ppb (19) 1.4 ppb (1) N/A 19.0 ppb (18) N/A N/A 7.0 ppb (5) N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 14, 2019, 7 a.m. 15.9 ppb (15) 0.4 ppb (0) N/A 16.0 ppb (15) N/A N/A 11.0 ppb (8) N/A N/A 13.0 μg/m3 (52) 52.0
 
Nov. 14, 2019, 6 a.m. 16.4 ppb (15) 0.2 ppb (0) N/A 16.0 ppb (15) N/A N/A 10.0 ppb (8) N/A N/A 14.0 μg/m3 (54) 54.0
 
Nov. 14, 2019, 5 a.m. 13.2 ppb (12) 0.3 ppb (0) N/A 13.0 ppb (12) N/A N/A 14.0 ppb (11) N/A N/A 8.0 μg/m3 (33) 33.0
 
Nov. 14, 2019, 4 a.m. 17.9 ppb (17) 1.7 ppb (2) N/A 16.0 ppb (15) N/A N/A 12.0 ppb (9) N/A N/A 14.0 μg/m3 (54) 54.0
 
Nov. 14, 2019, 3 a.m. 16.7 ppb (15) 0.4 ppb (0) N/A 16.0 ppb (15) N/A N/A 13.0 ppb (10) N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 14, 2019, 2 a.m. 9.2 ppb (9) 0.4 ppb (0) N/A 9.0 ppb (8) N/A N/A 24.0 ppb (18) N/A N/A 3.0 μg/m3 (12) 18.0
 
Nov. 14, 2019, 1 a.m. 7.1 ppb (7) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (21) N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 14, 2019, midnight 7.8 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 27.0 ppb (21) N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 13, 2019, 11 p.m. 9.1 ppb (8) 1.1 ppb (1) N/A 8.0 ppb (7) N/A N/A 25.0 ppb (19) N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 13, 2019, 10 p.m. 8.3 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 26.0 ppb (20) N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 13, 2019, 9 p.m. 9.5 ppb (9) 1.2 ppb (1) N/A 8.0 ppb (7) N/A N/A 26.0 ppb (20) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 13, 2019, 8 p.m. 5.6 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) N/A N/A 5.0 μg/m3 (21) 24.0
 
Nov. 13, 2019, 7 p.m. 4.9 ppb (5) 1.7 ppb (2) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 13, 2019, 6 p.m. 4.2 ppb (4) 1.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) N/A N/A 10.0 μg/m3 (42) 42.0
 
Nov. 13, 2019, 5 p.m. 3.7 ppb (3) 1.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 13, 2019, 4 p.m. 4.0 ppb (4) 1.7 ppb (2) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) N/A N/A 5.0 μg/m3 (21) 24.0
 
Nov. 13, 2019, 3 p.m. 4.0 ppb (4) 1.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (23) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 13, 2019, 2 p.m. 3.9 ppb (4) 1.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (23) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 13, 2019, 1 p.m. 6.4 ppb (6) 2.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (22) N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 13, 2019, noon 7.7 ppb (7) 1.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (20) N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 13, 2019, 11 a.m. 4.9 ppb (5) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (22) N/A N/A 8.0 μg/m3 (33) 33.0
 
Nov. 13, 2019, 10 a.m. 3.2 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 13, 2019, 9 a.m. 2.5 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Nov. 13, 2019, 8 a.m. 2.3 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 13, 2019, 7 a.m. 1.9 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) N/A N/A 8.0 μg/m3 (33) 33.0
 
Nov. 13, 2019, 6 a.m. 2.3 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
Nov. 13, 2019, 5 a.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) N/A N/A 4.0 μg/m3 (17) 26.0
 
Nov. 13, 2019, 4 a.m. 2.5 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) N/A N/A 4.0 μg/m3 (17) 26.0
 
Nov. 13, 2019, 3 a.m. 5.6 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (24) N/A N/A 5.0 μg/m3 (21) 24.0
 
Nov. 13, 2019, 2 a.m. 3.8 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 13, 2019, 1 a.m. 3.2 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 13, 2019, midnight 4.1 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) N/A N/A 8.0 μg/m3 (33) 33.0
 
Nov. 12, 2019, 11 p.m. 4.8 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (23) N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 12, 2019, 10 p.m. 7.4 ppb (7) 0.9 ppb (1) N/A 7.0 ppb (6) N/A N/A 22.0 ppb (17) N/A N/A 8.0 μg/m3 (33) 33.0
 
Nov. 12, 2019, 9 p.m. 7.6 ppb (7) 1.8 ppb (2) N/A 6.0 ppb (6) N/A N/A 22.0 ppb (17) N/A N/A 10.0 μg/m3 (42) 42.0
 
Nov. 12, 2019, 8 p.m. 7.7 ppb (7) 2.0 ppb (2) N/A 6.0 ppb (6) N/A N/A 20.0 ppb (15) N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 12, 2019, 7 p.m. 12.6 ppb (12) 1.7 ppb (2) N/A 11.0 ppb (10) N/A N/A 12.0 ppb (9) N/A N/A 10.0 μg/m3 (42) 42.0
 
Nov. 12, 2019, 6 p.m. 14.2 ppb (13) 2.6 ppb (2) N/A 12.0 ppb (11) N/A N/A 11.0 ppb (8) N/A N/A 8.0 μg/m3 (33) 33.0
 
Nov. 12, 2019, 5 p.m. 12.2 ppb (11) 2.0 ppb (2) N/A 10.0 ppb (9) N/A N/A 14.0 ppb (11) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 12, 2019, 4 p.m. 10.2 ppb (9) 1.9 ppb (2) N/A 8.0 ppb (7) N/A N/A 17.0 ppb (13) N/A N/A 3.0 μg/m3 (12) 13.0
 
Nov. 12, 2019, 3 p.m. 7.6 ppb (7) 1.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 20.0 ppb (15) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 12, 2019, 2 p.m. 9.4 ppb (9) 1.9 ppb (2) N/A 8.0 ppb (7) N/A N/A 18.0 ppb (14) N/A N/A 8.0 μg/m3 (33) 33.0
 
Nov. 12, 2019, 1 p.m. 8.6 ppb (8) 1.5 ppb (1) N/A 7.0 ppb (6) N/A N/A 19.0 ppb (15) N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 12, 2019, noon 8.6 ppb (8) 3.1 ppb (3) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (17) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 12, 2019, 11 a.m. 5.5 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (17) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 12, 2019, 10 a.m. 3.5 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 12, 2019, 9 a.m. 2.9 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 12, 2019, 8 a.m. 1.9 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) N/A N/A 4.0 μg/m3 (17) 20.0
 
Nov. 12, 2019, 7 a.m. 2.0 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 12, 2019, 6 a.m. 1.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (21) N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 12, 2019, 5 a.m. 1.9 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 12, 2019, 4 a.m. 2.8 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) N/A N/A 3.0 μg/m3 (12) 20.0
 
Nov. 12, 2019, 3 a.m. 2.5 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 12, 2019, 2 a.m. 3.3 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 12, 2019, 1 a.m. 3.0 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) N/A N/A 3.0 μg/m3 (12) 21.0
 
Nov. 12, 2019, midnight 3.5 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 11, 2019, 11 p.m. 4.9 ppb (5) 1.7 ppb (2) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) N/A N/A 4.0 μg/m3 (17) 18.0
 
Nov. 11, 2019, 10 p.m. 5.7 ppb (5) 1.9 ppb (2) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 11, 2019, 9 p.m. 8.5 ppb (8) 3.8 ppb (4) N/A 5.0 ppb (5) N/A N/A 17.0 ppb (13) N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 11, 2019, 8 p.m. 10.0 ppb (9) 3.6 ppb (3) N/A 6.0 ppb (6) N/A N/A 18.0 ppb (14) N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 11, 2019, 7 p.m. 8.8 ppb (8) 3.2 ppb (3) N/A 6.0 ppb (6) N/A N/A 19.0 ppb (15) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 11, 2019, 6 p.m. 8.2 ppb (8) 3.0 ppb (3) N/A 5.0 ppb (5) N/A N/A 19.0 ppb (15) N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 11, 2019, 5 p.m. 10.6 ppb (10) 4.4 ppb (4) N/A 6.0 ppb (6) N/A N/A 15.0 ppb (12) N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 11, 2019, 4 p.m. 11.8 ppb (11) 4.5 ppb (4) N/A 7.0 ppb (6) N/A N/A 15.0 ppb (12) N/A N/A 10.0 μg/m3 (42) 42.0
 
Nov. 11, 2019, 3 p.m. 11.4 ppb (11) 4.6 ppb (4) N/A 7.0 ppb (6) N/A N/A 16.0 ppb (12) N/A N/A 8.0 μg/m3 (33) 33.0
 
Nov. 11, 2019, 2 p.m. 9.4 ppb (9) 4.0 ppb (4) N/A 5.0 ppb (5) N/A N/A 17.0 ppb (13) N/A N/A 10.0 μg/m3 (42) 42.0
 
Nov. 11, 2019, 1 p.m. 10.3 ppb (10) 3.4 ppb (3) N/A 7.0 ppb (6) N/A N/A 18.0 ppb (14) N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 11, 2019, noon 14.2 ppb (13) 2.2 ppb (2) N/A 12.0 ppb (11) N/A N/A 15.0 ppb (12) N/A N/A 17.0 μg/m3 (61) 61.0
 
Nov. 11, 2019, 11 a.m. 12.6 ppb (12) 0.3 ppb (0) N/A 12.0 ppb (11) N/A N/A 16.0 ppb (12) N/A N/A 12.0 μg/m3 (50) 50.0
 
Nov. 11, 2019, 10 a.m. 8.2 ppb (8) 0.1 ppb (0) N/A 8.0 ppb (7) N/A N/A 21.0 ppb (16) N/A N/A 16.0 μg/m3 (59) 59.0
 
Nov. 11, 2019, 9 a.m. 5.6 ppb (5) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (18) N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 11, 2019, 8 a.m. 5.4 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (18) N/A N/A 10.0 μg/m3 (42) 42.0
 
Nov. 11, 2019, 7 a.m. 5.4 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (19) N/A N/A 14.0 μg/m3 (54) 54.0
 
Nov. 11, 2019, 6 a.m. 4.2 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 11, 2019, 5 a.m. 4.5 ppb (4) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (20) N/A N/A 10.0 μg/m3 (42) 42.0
 
Nov. 11, 2019, 4 a.m. 7.3 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (6) N/A N/A 23.0 ppb (18) N/A N/A 10.0 μg/m3 (42) 42.0
 
Nov. 11, 2019, 3 a.m. 10.6 ppb (10) 0.0 ppb (0) N/A 11.0 ppb (10) N/A N/A 20.0 ppb (15) N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 11, 2019, 2 a.m. 14.6 ppb (14) 0.1 ppb (0) N/A 15.0 ppb (14) N/A N/A 17.0 ppb (13) N/A N/A 14.0 μg/m3 (54) 54.0
 
Nov. 11, 2019, 1 a.m. 16.3 ppb (15) 0.5 ppb (0) N/A 16.0 ppb (15) N/A N/A 16.0 ppb (12) N/A N/A 16.0 μg/m3 (59) 59.0
 
Nov. 11, 2019, midnight 15.6 ppb (14) 0.4 ppb (0) N/A 15.0 ppb (14) N/A N/A 18.0 ppb (14) N/A N/A 12.0 μg/m3 (50) 50.0
 
Nov. 10, 2019, 11 p.m. 20.5 ppb (19) 0.9 ppb (1) N/A 20.0 ppb (19) N/A N/A 12.0 ppb (9) N/A N/A 13.0 μg/m3 (52) 52.0
 
Nov. 10, 2019, 10 p.m. 18.2 ppb (17) 0.6 ppb (1) N/A 18.0 ppb (17) N/A N/A 14.0 ppb (11) N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 10, 2019, 9 p.m. 16.3 ppb (15) 2.0 ppb (2) N/A 14.0 ppb (13) N/A N/A 19.0 ppb (15) N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 10, 2019, 8 p.m. 5.8 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (23) N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 10, 2019, 7 p.m. 4.4 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 10, 2019, 6 p.m. 5.3 ppb (5) 1.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 10, 2019, 5 p.m. 6.9 ppb (6) 1.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (22) N/A N/A 8.0 μg/m3 (33) 33.0
 
Nov. 10, 2019, 4 p.m. 6.2 ppb (6) 1.9 ppb (2) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (22) N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 10, 2019, 3 p.m. 6.0 ppb (6) 2.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) N/A N/A 4.0 μg/m3 (17) 21.0
 
Nov. 10, 2019, 2 p.m. 7.1 ppb (7) 2.1 ppb (2) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (20) N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 10, 2019, 1 p.m. 7.9 ppb (7) 1.4 ppb (1) N/A 7.0 ppb (6) N/A N/A 22.0 ppb (17) N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 10, 2019, noon 7.5 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 10, 2019, 11 a.m. 8.1 ppb (8) 0.1 ppb (0) N/A 8.0 ppb (7) N/A N/A 20.0 ppb (15) N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 10, 2019, 10 a.m. 6.8 ppb (6) 0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 10, 2019, 9 a.m. 6.4 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 22.0 ppb (17) N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 10, 2019, 8 a.m. 5.2 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (18) N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 10, 2019, 7 a.m. 7.8 ppb (7) 0.1 ppb (0) N/A 8.0 ppb (7) N/A N/A 20.0 ppb (15) N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 10, 2019, 6 a.m. 7.5 ppb (7) 0.2 ppb (0) N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 10, 2019, 5 a.m. 7.2 ppb (7) 0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 10, 2019, 4 a.m. 5.7 ppb (5) 0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 23.0 ppb (18) N/A N/A 8.0 μg/m3 (33) 33.0