AQSQID: 245100040

Site Name: Oldtown

Location: Baltimore, MD

Reporting: True, Located: True

Current AQI: 59.0

Baltimore MD, US: 39.2981, -76.604698

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Nov. 15, 2019, 4 a.m. 79.1 ppb (77) 39.9 ppb (37) N/A 39.0 ppb (36) N/A N/A N/A N/A N/A 15.0 μg/m3 (56) 77.0
 
Nov. 15, 2019, 3 a.m. 48.4 ppb (45) 10.7 ppb (10) N/A 38.0 ppb (35) N/A N/A N/A N/A N/A 16.0 μg/m3 (59) 59.0
 
Nov. 15, 2019, 2 a.m. 46.9 ppb (43) 9.2 ppb (9) N/A 38.0 ppb (35) N/A N/A N/A N/A N/A 15.0 μg/m3 (56) 56.0
 
Nov. 15, 2019, 1 a.m. 33.7 ppb (31) 5.8 ppb (5) N/A 28.0 ppb (26) N/A N/A N/A N/A N/A 19.0 μg/m3 (65) 65.0
 
Nov. 15, 2019, midnight 40.0 ppb (37) 9.5 ppb (9) N/A 31.0 ppb (29) N/A N/A N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
Nov. 14, 2019, 11 p.m. 37.7 ppb (35) 6.9 ppb (6) N/A 31.0 ppb (29) N/A N/A N/A N/A N/A 14.0 μg/m3 (54) 54.0
 
Nov. 14, 2019, 10 p.m. 27.0 ppb (25) 5.7 ppb (5) N/A 21.0 ppb (19) N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Nov. 14, 2019, 9 p.m. 20.1 ppb (19) 5.2 ppb (5) N/A 15.0 ppb (14) N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Nov. 14, 2019, 8 p.m. 17.7 ppb (16) 5.7 ppb (5) N/A 12.0 ppb (11) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 14, 2019, 7 p.m. 17.0 ppb (16) 6.1 ppb (6) N/A 11.0 ppb (10) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 14, 2019, 6 p.m. 17.6 ppb (16) 7.4 ppb (7) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 14, 2019, 5 p.m. 19.1 ppb (18) 7.9 ppb (7) N/A 11.0 ppb (10) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 14, 2019, 4 p.m. 21.0 ppb (19) 8.7 ppb (8) N/A 12.0 ppb (11) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 14, 2019, 3 p.m. 24.0 ppb (22) 8.3 ppb (8) N/A 16.0 ppb (15) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 14, 2019, 2 p.m. 42.6 ppb (39) 19.0 ppb (18) N/A 24.0 ppb (22) N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 39.0
 
Nov. 14, 2019, 1 p.m. 56.3 ppb (52) 26.9 ppb (25) N/A 29.0 ppb (27) N/A N/A N/A N/A N/A 16.0 μg/m3 (59) 59.0
 
Nov. 14, 2019, noon 59.7 ppb (56) 24.7 ppb (23) N/A 35.0 ppb (32) N/A N/A N/A N/A N/A 15.0 μg/m3 (56) 56.0
 
Nov. 14, 2019, 11 a.m. 44.2 ppb (41) 13.4 ppb (12) N/A 31.0 ppb (29) N/A N/A N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
Nov. 14, 2019, 10 a.m. 33.6 ppb (31) 6.4 ppb (6) N/A 27.0 ppb (25) N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 31.0
 
Nov. 14, 2019, 9 a.m. 27.4 ppb (25) 2.6 ppb (2) N/A 25.0 ppb (23) N/A N/A N/A N/A N/A 15.0 μg/m3 (56) 56.0
 
Nov. 14, 2019, 8 a.m. 34.6 ppb (32) 4.6 ppb (4) N/A 30.0 ppb (28) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 14, 2019, 7 a.m. 26.9 ppb (25) 2.5 ppb (2) N/A 24.0 ppb (22) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 14, 2019, 6 a.m. 29.7 ppb (28) 3.9 ppb (4) N/A 26.0 ppb (24) N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 14, 2019, 5 a.m. 48.9 ppb (45) 14.2 ppb (13) N/A 35.0 ppb (32) N/A N/A N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
Nov. 14, 2019, 4 a.m. 47.4 ppb (44) 13.3 ppb (12) N/A 34.0 ppb (31) N/A N/A N/A N/A N/A 14.0 μg/m3 (54) 54.0
 
Nov. 14, 2019, 3 a.m. 33.6 ppb (31) 5.2 ppb (5) N/A 28.0 ppb (26) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 14, 2019, 2 a.m. 29.4 ppb (27) 5.0 ppb (5) N/A 24.0 ppb (22) N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 14, 2019, 1 a.m. 29.8 ppb (28) 6.1 ppb (6) N/A 24.0 ppb (22) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 28.0
 
Nov. 14, 2019, midnight 27.8 ppb (26) 5.5 ppb (5) N/A 22.0 ppb (20) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 26.0
 
Nov. 13, 2019, 11 p.m. 19.3 ppb (18) 3.1 ppb (3) N/A 16.0 ppb (15) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 13, 2019, 10 p.m. 16.0 ppb (15) 2.8 ppb (3) N/A 13.0 ppb (12) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 13, 2019, 9 p.m. 13.9 ppb (13) 3.5 ppb (3) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 13, 2019, 8 p.m. 7.5 ppb (7) 1.8 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Nov. 13, 2019, 7 p.m. 10.5 ppb (10) 4.3 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 13, 2019, 6 p.m. 9.5 ppb (9) 4.3 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 13, 2019, 5 p.m. 7.6 ppb (7) 3.0 ppb (3) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Nov. 13, 2019, 4 p.m. 7.6 ppb (7) 3.2 ppb (3) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Nov. 13, 2019, 3 p.m. 11.9 ppb (11) 4.9 ppb (5) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Nov. 13, 2019, 2 p.m. 12.2 ppb (11) 5.1 ppb (5) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 13, 2019, 1 p.m. 17.0 ppb (16) 6.2 ppb (6) N/A 11.0 ppb (10) N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Nov. 13, 2019, noon 21.9 ppb (20) 6.5 ppb (6) N/A 15.0 ppb (14) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 13, 2019, 11 a.m. 24.4 ppb (23) 7.6 ppb (7) N/A 17.0 ppb (16) N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 13, 2019, 10 a.m. 11.8 ppb (11) 1.5 ppb (1) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 13, 2019, 9 a.m. 7.7 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Nov. 13, 2019, 8 a.m. 8.3 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Nov. 13, 2019, 7 a.m. 5.9 ppb (5) 0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Nov. 13, 2019, 6 a.m. 6.7 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Nov. 13, 2019, 5 a.m. 6.1 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Nov. 13, 2019, 4 a.m. 5.1 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 13, 2019, 3 a.m. 5.9 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 13, 2019, 2 a.m. 6.5 ppb (6) 1.2 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 13, 2019, 1 a.m. 6.2 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 13, 2019, midnight 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 12, 2019, 11 p.m. 9.3 ppb (9) 1.6 ppb (1) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 12, 2019, 10 p.m. 8.9 ppb (8) 1.6 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 12, 2019, 9 p.m. 10.5 ppb (10) 3.1 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
 
Nov. 12, 2019, 8 p.m. 7.6 ppb (7) 2.4 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 12, 2019, 7 p.m. 7.4 ppb (7) 2.4 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 12, 2019, 6 p.m. 7.3 ppb (7) 1.9 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Nov. 12, 2019, 5 p.m. 7.5 ppb (7) 1.9 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 7.0
 
Nov. 12, 2019, 4 p.m. 7.7 ppb (7) 2.2 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Nov. 12, 2019, 3 p.m. 8.5 ppb (8) 2.9 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 12, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 12, 2019, 1 p.m. 14.2 ppb (13) 4.8 ppb (4) N/A 9.0 ppb (8) N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Nov. 12, 2019, noon 13.3 ppb (12) 4.1 ppb (4) N/A 9.0 ppb (8) N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 12, 2019, 11 a.m. 9.8 ppb (9) 1.3 ppb (1) N/A 9.0 ppb (8) N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Nov. 12, 2019, 10 a.m. 9.4 ppb (9) 1.1 ppb (1) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 12, 2019, 9 a.m. 7.7 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Nov. 12, 2019, 8 a.m. 8.8 ppb (8) 0.3 ppb (0) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Nov. 12, 2019, 7 a.m. 9.7 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (8) N/A N/A N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
Nov. 12, 2019, 6 a.m. 11.4 ppb (11) 1.0 ppb (1) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Nov. 12, 2019, 5 a.m. 14.0 ppb (13) 0.9 ppb (1) N/A 13.0 ppb (12) N/A N/A N/A N/A N/A 14.0 μg/m3 (54) 54.0
 
Nov. 12, 2019, 4 a.m. 18.2 ppb (17) 2.7 ppb (3) N/A 15.0 ppb (14) N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 12, 2019, 3 a.m. 23.4 ppb (22) 2.4 ppb (2) N/A 21.0 ppb (19) N/A N/A N/A N/A N/A 14.0 μg/m3 (54) 54.0
 
Nov. 12, 2019, 2 a.m. 28.5 ppb (26) 3.8 ppb (4) N/A 25.0 ppb (23) N/A N/A N/A N/A N/A 20.0 μg/m3 (67) 67.0
 
Nov. 12, 2019, 1 a.m. 38.0 ppb (35) 6.3 ppb (6) N/A 32.0 ppb (30) N/A N/A N/A N/A N/A 15.0 μg/m3 (56) 56.0
 
Nov. 12, 2019, midnight 29.7 ppb (28) 4.6 ppb (4) N/A 25.0 ppb (23) N/A N/A N/A N/A N/A 17.0 μg/m3 (61) 61.0
 
Nov. 11, 2019, 11 p.m. 22.9 ppb (21) 2.9 ppb (3) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A 14.0 μg/m3 (54) 54.0
 
Nov. 11, 2019, 10 p.m. 28.9 ppb (27) 3.2 ppb (3) N/A 26.0 ppb (24) N/A N/A N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
Nov. 11, 2019, 9 p.m. 35.9 ppb (33) 5.7 ppb (5) N/A 30.0 ppb (28) N/A N/A N/A N/A N/A 17.0 μg/m3 (61) 61.0
 
Nov. 11, 2019, 8 p.m. 27.8 ppb (26) 5.6 ppb (5) N/A 22.0 ppb (20) N/A N/A N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
Nov. 11, 2019, 7 p.m. 31.1 ppb (29) 8.9 ppb (8) N/A 22.0 ppb (20) N/A N/A N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
Nov. 11, 2019, 6 p.m. 40.3 ppb (37) 14.4 ppb (13) N/A 26.0 ppb (24) N/A N/A N/A N/A N/A 18.0 μg/m3 (63) 63.0
 
Nov. 11, 2019, 5 p.m. 54.1 ppb (50) 23.8 ppb (22) N/A 30.0 ppb (28) N/A N/A N/A N/A N/A 21.0 μg/m3 (69) 69.0
 
Nov. 11, 2019, 4 p.m. 90.7 ppb (89) 47.9 ppb (44) N/A 43.0 ppb (40) N/A N/A N/A N/A N/A 37.0 μg/m3 (104) 104.0
 
Nov. 11, 2019, 3 p.m. 80.8 ppb (79) 43.6 ppb (40) N/A 37.0 ppb (34) N/A N/A N/A N/A N/A 25.0 μg/m3 (78) 79.0
 
Nov. 11, 2019, 2 p.m. 154.9 ppb (110) 111.5 ppb (102) N/A 43.0 ppb (40) N/A N/A N/A N/A N/A 29.0 μg/m3 (86) 110.0
 
Nov. 11, 2019, 1 p.m. 156.7 ppb (111) 118.1 ppb (103) N/A 39.0 ppb (36) N/A N/A N/A N/A N/A 23.0 μg/m3 (73) 111.0
 
Nov. 11, 2019, noon 145.3 ppb (109) 109.0 ppb (102) N/A 36.0 ppb (33) N/A N/A N/A N/A N/A 24.0 μg/m3 (76) 109.0
 
Nov. 11, 2019, 11 a.m. 119.4 ppb (104) 85.6 ppb (84) N/A 34.0 ppb (31) N/A N/A N/A N/A N/A 19.0 μg/m3 (65) 104.0
 
Nov. 11, 2019, 10 a.m. 97.0 ppb (96) 69.1 ppb (66) N/A 28.0 ppb (26) N/A N/A N/A N/A N/A 22.0 μg/m3 (71) 96.0
 
Nov. 11, 2019, 9 a.m. 77.3 ppb (75) 51.0 ppb (47) N/A 26.0 ppb (24) N/A N/A N/A N/A N/A 19.0 μg/m3 (65) 75.0
 
Nov. 11, 2019, 8 a.m. 68.2 ppb (65) 41.3 ppb (38) N/A 27.0 ppb (25) N/A N/A N/A N/A N/A 23.0 μg/m3 (73) 73.0
 
Nov. 11, 2019, 7 a.m. 78.3 ppb (76) 51.4 ppb (48) N/A 27.0 ppb (25) N/A N/A N/A N/A N/A 27.0 μg/m3 (82) 82.0
 
Nov. 11, 2019, 6 a.m. 89.1 ppb (87) 59.0 ppb (55) N/A 30.0 ppb (28) N/A N/A N/A N/A N/A 23.0 μg/m3 (73) 87.0
 
Nov. 11, 2019, 5 a.m. 92.7 ppb (91) 61.4 ppb (58) N/A 31.0 ppb (29) N/A N/A N/A N/A N/A 28.0 μg/m3 (84) 91.0
 
Nov. 11, 2019, 4 a.m. 92.2 ppb (91) 58.6 ppb (55) N/A 34.0 ppb (31) N/A N/A N/A N/A N/A 23.0 μg/m3 (73) 91.0
 
Nov. 11, 2019, 3 a.m. 61.9 ppb (58) 25.9 ppb (24) N/A 36.0 ppb (33) N/A N/A N/A N/A N/A 21.0 μg/m3 (69) 69.0
 
Nov. 11, 2019, 2 a.m. 45.8 ppb (42) 14.0 ppb (13) N/A 32.0 ppb (30) N/A N/A N/A N/A N/A 19.0 μg/m3 (65) 65.0
 
Nov. 11, 2019, 1 a.m. 32.4 ppb (30) 5.2 ppb (5) N/A 27.0 ppb (25) N/A N/A N/A N/A N/A 16.0 μg/m3 (59) 59.0
 
Nov. 11, 2019, midnight 39.5 ppb (37) 7.1 ppb (7) N/A 32.0 ppb (30) N/A N/A N/A N/A N/A 16.0 μg/m3 (59) 59.0
 
Nov. 10, 2019, 11 p.m. 39.4 ppb (36) 8.7 ppb (8) N/A 31.0 ppb (29) N/A N/A N/A N/A N/A 18.0 μg/m3 (63) 63.0
 
Nov. 10, 2019, 10 p.m. 29.2 ppb (27) 5.3 ppb (5) N/A 24.0 ppb (22) N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Nov. 10, 2019, 9 p.m. 24.4 ppb (23) 4.9 ppb (5) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Nov. 10, 2019, 8 p.m. 20.7 ppb (19) 4.0 ppb (4) N/A 17.0 ppb (16) N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 10, 2019, 7 p.m. 21.6 ppb (20) 6.0 ppb (6) N/A 16.0 ppb (15) N/A N/A N/A N/A N/A 15.0 μg/m3 (56) 56.0
 
Nov. 10, 2019, 6 p.m. 21.0 ppb (19) 6.3 ppb (6) N/A 15.0 ppb (14) N/A N/A N/A N/A N/A 15.0 μg/m3 (56) 56.0
 
Nov. 10, 2019, 5 p.m. 21.7 ppb (20) 7.8 ppb (7) N/A 14.0 ppb (13) N/A N/A N/A N/A N/A 16.0 μg/m3 (59) 59.0
 
Nov. 10, 2019, 4 p.m. 24.0 ppb (22) 10.0 ppb (9) N/A 14.0 ppb (13) N/A N/A N/A N/A N/A 16.0 μg/m3 (59) 59.0
 
Nov. 10, 2019, 3 p.m. 26.5 ppb (25) 11.2 ppb (10) N/A 15.0 ppb (14) N/A N/A N/A N/A N/A 15.0 μg/m3 (56) 56.0
 
Nov. 10, 2019, 2 p.m. 25.3 ppb (23) 9.6 ppb (9) N/A 16.0 ppb (15) N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 10, 2019, 1 p.m. 18.6 ppb (17) 5.3 ppb (5) N/A 13.0 ppb (12) N/A N/A N/A N/A N/A 14.0 μg/m3 (54) 54.0
 
Nov. 10, 2019, noon 22.9 ppb (21) 5.1 ppb (5) N/A 18.0 ppb (17) N/A N/A N/A N/A N/A 14.0 μg/m3 (54) 54.0
 
Nov. 10, 2019, 11 a.m. 21.3 ppb (20) 4.1 ppb (4) N/A 17.0 ppb (16) N/A N/A N/A N/A N/A 15.0 μg/m3 (56) 56.0
 
Nov. 10, 2019, 10 a.m. 16.6 ppb (15) 0.9 ppb (1) N/A 16.0 ppb (15) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 10, 2019, 9 a.m. 13.1 ppb (12) 1.3 ppb (1) N/A 12.0 ppb (11) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 10, 2019, 8 a.m. 15.1 ppb (14) 1.8 ppb (2) N/A 13.0 ppb (12) N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Nov. 10, 2019, 7 a.m. 26.5 ppb (25) 6.5 ppb (6) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Nov. 10, 2019, 6 a.m. 19.8 ppb (18) 2.4 ppb (2) N/A 17.0 ppb (16) N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Nov. 10, 2019, 5 a.m. 29.5 ppb (27) 5.9 ppb (5) N/A 24.0 ppb (22) N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Nov. 10, 2019, 4 a.m. 26.5 ppb (25) 4.8 ppb (4) N/A 22.0 ppb (20) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 10, 2019, 3 a.m. 26.1 ppb (24) 3.8 ppb (4) N/A 22.0 ppb (20) N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 10, 2019, 2 a.m. 29.3 ppb (27) 6.1 ppb (6) N/A 23.0 ppb (21) N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Nov. 10, 2019, 1 a.m. 20.4 ppb (19) 3.7 ppb (3) N/A 17.0 ppb (16) N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Nov. 10, 2019, midnight 16.5 ppb (15) 3.2 ppb (3) N/A 13.0 ppb (12) N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 9, 2019, 11 p.m. 12.8 ppb (12) 3.1 ppb (3) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 9, 2019, 10 p.m. 11.6 ppb (11) 2.8 ppb (3) N/A 9.0 ppb (8) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 9, 2019, 9 p.m. 11.4 ppb (11) 2.8 ppb (3) N/A 9.0 ppb (8) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 9, 2019, 8 p.m. 12.2 ppb (11) 5.2 ppb (5) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Nov. 9, 2019, 7 p.m. 13.4 ppb (12) 5.9 ppb (5) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Nov. 9, 2019, 6 p.m. 13.4 ppb (12) 6.0 ppb (6) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Nov. 9, 2019, 5 p.m. 14.7 ppb (14) 6.2 ppb (6) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Nov. 9, 2019, 4 p.m. 11.0 ppb (10) 4.8 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 9, 2019, 3 p.m. 11.9 ppb (11) 5.9 ppb (5) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 9, 2019, 2 p.m. 16.8 ppb (16) 7.7 ppb (7) N/A 9.0 ppb (8) N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 9, 2019, 1 p.m. 23.0 ppb (21) 10.0 ppb (9) N/A 13.0 ppb (12) N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 9, 2019, noon 27.4 ppb (25) 9.9 ppb (9) N/A 17.0 ppb (16) N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Nov. 9, 2019, 11 a.m. 24.0 ppb (22) 5.8 ppb (5) N/A 18.0 ppb (17) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 9, 2019, 10 a.m. 23.1 ppb (21) 3.3 ppb (3) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 9, 2019, 9 a.m. 46.2 ppb (43) 20.1 ppb (19) N/A 26.0 ppb (24) N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 9, 2019, 8 a.m. 38.2 ppb (35) 13.7 ppb (13) N/A 25.0 ppb (23) N/A N/A N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
Nov. 9, 2019, 7 a.m. 17.7 ppb (16) 1.7 ppb (2) N/A 16.0 ppb (15) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 9, 2019, 6 a.m. 22.2 ppb (21) 3.4 ppb (3) N/A 19.0 ppb (18) N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Nov. 9, 2019, 5 a.m. 31.8 ppb (29) 6.8 ppb (6) N/A 25.0 ppb (23) N/A N/A N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
Nov. 9, 2019, 4 a.m. 27.9 ppb (26) 3.7 ppb (3) N/A 24.0 ppb (22) N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Nov. 9, 2019, 3 a.m. 24.8 ppb (23) 4.0 ppb (4) N/A 21.0 ppb (19) N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 9, 2019, 2 a.m. 23.5 ppb (22) 2.4 ppb (2) N/A 21.0 ppb (19) N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Nov. 9, 2019, 1 a.m. 17.8 ppb (16) 2.3 ppb (2) N/A 15.0 ppb (14) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 9, 2019, midnight 11.0 ppb (10) 1.3 ppb (1) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 8, 2019, 11 p.m. 12.0 ppb (11) 1.9 ppb (2) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Nov. 8, 2019, 10 p.m. 12.6 ppb (12) 2.2 ppb (2) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 8, 2019, 9 p.m. 8.0 ppb (7) 2.1 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Nov. 8, 2019, 8 p.m. 6.3 ppb (6) 2.1 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Nov. 8, 2019, 7 p.m. 7.6 ppb (7) 3.2 ppb (3) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Nov. 8, 2019, 6 p.m. 8.7 ppb (8) 4.1 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Nov. 8, 2019, 5 p.m. 7.8 ppb (7) 3.6 ppb (3) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 8, 2019, 4 p.m. 8.3 ppb (8) 3.8 ppb (4) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 8, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 8, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 8, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 8, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 8, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Nov. 8, 2019, 10 a.m. 6.0 ppb (6) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Nov. 8, 2019, 9 a.m. 2.9 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Nov. 8, 2019, 8 a.m. 3.7 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Nov. 8, 2019, 7 a.m. 3.8 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 8, 2019, 6 a.m. 4.6 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Nov. 8, 2019, 5 a.m. 4.1 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0