AQSQID: 180970078

Site Name: Indpls-Washington Park

Location: Indianapolis (E 30th St), IN

Reporting: True, Located: True

Current AQI: 25.0

Indianapolis (E 30th St) IN, US: 39.8108, -86.1147

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 24, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.17 ppb (2) N/A N/A 25.0
 
Jan. 24, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.22 ppb (2) 8.0 μg/m3 (7) 17.6 μg/m3 (62) 62.0
 
Jan. 24, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.17 ppb (2) 7.0 μg/m3 (6) -1.7 μg/m3 (0) 25.0
 
Jan. 24, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.17 ppb (2) 7.0 μg/m3 (6) 18.7 μg/m3 (64) 64.0
 
Jan. 24, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.18 ppb (2) 9.0 μg/m3 (8) -0.4 μg/m3 (0) 25.0
 
Jan. 24, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.18 ppb (2) 10.0 μg/m3 (9) 4.8 μg/m3 (20) 25.0
 
Jan. 24, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.18 ppb (2) 10.0 μg/m3 (9) 6.9 μg/m3 (29) 29.0
 
Jan. 24, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.2 ppb (2) 12.0 μg/m3 (11) 26.1 μg/m3 (80) 80.0
 
Jan. 24, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.2 ppb (2) 13.0 μg/m3 (12) 6.7 μg/m3 (28) 28.0
 
Jan. 24, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.25 ppb (3) 12.0 μg/m3 (11) 11.6 μg/m3 (48) 48.0
 
Jan. 24, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.2 ppb (2) 11.0 μg/m3 (10) 12.1 μg/m3 (50) 50.0
 
Jan. 24, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.21 ppb (2) 11.0 μg/m3 (10) 13.2 μg/m3 (53) 53.0
 
Jan. 23, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.23 ppb (3) N/A N/A 15.0
 
Jan. 23, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.23 ppb (3) 5.0 μg/m3 (5) 10.8 μg/m3 (45) 45.0
 
Jan. 23, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.22 ppb (2) 1.0 μg/m3 (1) 4.9 μg/m3 (20) 20.0
 
Jan. 23, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.24 ppb (3) -2.0 μg/m3 (0) 2.6 μg/m3 (11) 12.0
 
Jan. 23, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.21 ppb (2) -1.0 μg/m3 (0) 2.0 μg/m3 (8) 12.0
 
Jan. 23, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.23 ppb (3) -2.0 μg/m3 (0) 0.5 μg/m3 (2) 15.0
 
Jan. 23, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.21 ppb (2) -1.0 μg/m3 (0) 0.4 μg/m3 (2) 18.0
 
Jan. 23, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.2 ppb (2) 0.0 μg/m3 (0) 2.4 μg/m3 (10) 20.0
 
Jan. 23, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.21 ppb (2) 1.0 μg/m3 (1) 4.3 μg/m3 (18) 19.0
 
Jan. 23, 2019, 2 p.m. N/A N/A 19.8 ppb (18) N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.28 ppb (3) 3.0 μg/m3 (3) 5.6 μg/m3 (23) 23.0
 
Jan. 23, 2019, 1 p.m. N/A N/A 24.8 ppb (23) N/A N/A 0.0 ppb (0) 14.0 ppb (11) 0.32 ppb (4) 4.0 μg/m3 (4) 5.2 μg/m3 (22) 23.0
 
Jan. 23, 2019, noon N/A N/A 24.4 ppb (23) N/A N/A 0.0 ppb (0) 11.0 ppb (8) 0.32 ppb (4) 3.0 μg/m3 (3) 4.9 μg/m3 (20) 23.0
 
Jan. 23, 2019, 11 a.m. N/A N/A 12.7 ppb (12) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.23 ppb (3) 5.0 μg/m3 (5) 5.5 μg/m3 (23) 23.0
 
Jan. 23, 2019, 10 a.m. N/A N/A 10.7 ppb (10) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.23 ppb (3) 5.0 μg/m3 (5) 3.8 μg/m3 (16) 17.0
 
Jan. 23, 2019, 9 a.m. N/A N/A 11.6 ppb (11) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.19 ppb (2) 3.0 μg/m3 (3) 4.4 μg/m3 (18) 18.0
 
Jan. 23, 2019, 8 a.m. N/A N/A 8.3 ppb (8) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.19 ppb (2) 5.0 μg/m3 (5) 7.2 μg/m3 (30) 30.0
 
Jan. 23, 2019, 7 a.m. N/A N/A 7.2 ppb (7) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.18 ppb (2) 7.0 μg/m3 (6) 7.0 μg/m3 (29) 29.0
 
Jan. 23, 2019, 6 a.m. N/A N/A 6.7 ppb (6) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.17 ppb (2) 8.0 μg/m3 (7) 7.6 μg/m3 (32) 32.0
 
Jan. 23, 2019, 5 a.m. N/A N/A 9.7 ppb (9) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.18 ppb (2) 9.0 μg/m3 (8) 7.6 μg/m3 (32) 32.0
 
Jan. 23, 2019, 4 a.m. N/A N/A 11.2 ppb (10) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.18 ppb (2) 9.0 μg/m3 (8) 6.6 μg/m3 (28) 28.0
 
Jan. 23, 2019, 3 a.m. N/A N/A 9.2 ppb (9) N/A N/A 1.0 ppb (1) 30.0 ppb (23) 0.18 ppb (2) 8.0 μg/m3 (7) 10.5 μg/m3 (44) 44.0
 
Jan. 23, 2019, 2 a.m. N/A N/A 11.3 ppb (10) N/A N/A 1.0 ppb (1) 29.0 ppb (22) N/A 8.0 μg/m3 (7) 10.0 μg/m3 (42) 42.0
 
Jan. 23, 2019, 1 a.m. N/A N/A 13.4 ppb (12) N/A N/A 1.0 ppb (1) 28.0 ppb (22) N/A 15.0 μg/m3 (14) 4.5 μg/m3 (19) 22.0
 
Jan. 23, 2019, midnight N/A N/A 13.6 ppb (13) N/A N/A 1.0 ppb (1) 28.0 ppb (22) N/A 14.0 μg/m3 (13) 4.1 μg/m3 (17) 22.0
 
Jan. 22, 2019, 11 p.m. N/A N/A 17.2 ppb (16) N/A N/A 1.0 ppb (1) 25.0 ppb (19) 0.24 ppb (3) 13.0 μg/m3 (12) 3.9 μg/m3 (16) 19.0
 
Jan. 22, 2019, 10 p.m. N/A N/A 20.0 ppb (19) N/A N/A 1.0 ppb (1) 22.0 ppb (17) 0.29 ppb (3) 11.0 μg/m3 (10) 2.0 μg/m3 (8) 19.0
 
Jan. 22, 2019, 9 p.m. N/A N/A 17.6 ppb (16) N/A N/A 1.0 ppb (1) 25.0 ppb (19) 0.26 ppb (3) 9.0 μg/m3 (8) 3.7 μg/m3 (15) 19.0
 
Jan. 22, 2019, 8 p.m. N/A N/A 16.9 ppb (16) N/A N/A 1.0 ppb (1) 26.0 ppb (20) 0.23 ppb (3) 15.0 μg/m3 (14) 5.9 μg/m3 (25) 25.0
 
Jan. 22, 2019, 7 p.m. N/A N/A 15.8 ppb (15) N/A N/A 1.0 ppb (1) 27.0 ppb (21) 0.23 ppb (3) 15.0 μg/m3 (14) 16.9 μg/m3 (60) 60.0
 
Jan. 22, 2019, 6 p.m. N/A N/A 14.1 ppb (13) N/A N/A 1.0 ppb (1) 27.0 ppb (21) 0.22 ppb (2) 18.0 μg/m3 (16) 7.3 μg/m3 (30) 30.0
 
Jan. 22, 2019, 5 p.m. N/A N/A 12.6 ppb (12) N/A N/A 1.0 ppb (1) 28.0 ppb (22) 0.21 ppb (2) 24.0 μg/m3 (22) 6.7 μg/m3 (28) 28.0
 
Jan. 22, 2019, 4 p.m. N/A N/A 13.1 ppb (12) N/A N/A 1.0 ppb (1) 27.0 ppb (21) 0.2 ppb (2) 28.0 μg/m3 (25) 5.9 μg/m3 (25) 25.0
 
Jan. 22, 2019, 3 p.m. N/A N/A 12.3 ppb (11) N/A N/A 1.0 ppb (1) 27.0 ppb (21) 0.2 ppb (2) 14.0 μg/m3 (13) 3.8 μg/m3 (16) 21.0
 
Jan. 22, 2019, 2 p.m. N/A N/A 14.1 ppb (13) N/A N/A 1.0 ppb (1) 25.0 ppb (19) 0.22 ppb (2) 11.0 μg/m3 (10) 6.7 μg/m3 (28) 28.0
 
Jan. 22, 2019, 1 p.m. N/A N/A 7.7 ppb (7) N/A N/A 1.0 ppb (1) 24.0 ppb (18) 0.21 ppb (2) 12.0 μg/m3 (11) 5.2 μg/m3 (22) 22.0
 
Jan. 22, 2019, noon N/A N/A 0.9 ppb (1) N/A N/A 2.0 ppb (3) 22.0 ppb (17) 0.21 ppb (2) 13.0 μg/m3 (12) -0.4 μg/m3 (0) 17.0
 
Jan. 22, 2019, 11 a.m. N/A N/A 0.9 ppb (1) N/A N/A 3.0 ppb (4) 21.0 ppb (16) 0.2 ppb (2) 12.0 μg/m3 (11) 17.3 μg/m3 (61) 61.0
 
Jan. 22, 2019, 10 a.m. N/A N/A 0.9 ppb (1) N/A N/A 3.0 ppb (4) 21.0 ppb (16) 0.2 ppb (2) 17.0 μg/m3 (15) 1.5 μg/m3 (6) 16.0
 
Jan. 22, 2019, 9 a.m. N/A N/A 0.9 ppb (1) N/A N/A 3.0 ppb (4) 22.0 ppb (17) 0.19 ppb (2) 9.0 μg/m3 (8) 15.8 μg/m3 (58) 58.0
 
Jan. 22, 2019, 8 a.m. N/A N/A 0.9 ppb (1) N/A N/A 3.0 ppb (4) 25.0 ppb (19) 0.19 ppb (2) 8.0 μg/m3 (7) 9.5 μg/m3 (40) 40.0
 
Jan. 22, 2019, 7 a.m. N/A N/A 0.9 ppb (1) N/A N/A 3.0 ppb (4) 28.0 ppb (22) 0.18 ppb (2) 9.0 μg/m3 (8) 12.5 μg/m3 (51) 51.0
 
Jan. 22, 2019, 6 a.m. N/A N/A 0.9 ppb (1) N/A N/A 2.0 ppb (3) 28.0 ppb (22) 0.18 ppb (2) 12.0 μg/m3 (11) 10.1 μg/m3 (42) 42.0
 
Jan. 22, 2019, 5 a.m. N/A N/A 0.9 ppb (1) N/A N/A 1.0 ppb (1) 30.0 ppb (23) 0.18 ppb (2) 14.0 μg/m3 (13) 9.1 μg/m3 (38) 38.0
 
Jan. 22, 2019, 4 a.m. N/A N/A 0.9 ppb (1) N/A N/A 1.0 ppb (1) 29.0 ppb (22) 0.2 ppb (2) 15.0 μg/m3 (14) 9.0 μg/m3 (38) 38.0
 
Jan. 22, 2019, 3 a.m. N/A N/A 0.9 ppb (1) N/A N/A N/A 28.0 ppb (22) 0.22 ppb (2) 16.0 μg/m3 (15) 8.7 μg/m3 (36) 36.0
 
Jan. 22, 2019, 2 a.m. N/A N/A 0.9 ppb (1) N/A N/A N/A 24.0 ppb (18) 0.25 ppb (3) 20.0 μg/m3 (18) 7.9 μg/m3 (33) 33.0
 
Jan. 22, 2019, 1 a.m. N/A N/A 0.9 ppb (1) N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A 10.0 μg/m3 (9) 6.5 μg/m3 (27) 27.0
 
Jan. 22, 2019, midnight N/A N/A 0.9 ppb (1) N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A 10.0 μg/m3 (9) 7.0 μg/m3 (29) 29.0
 
Jan. 21, 2019, 11 p.m. N/A N/A 0.9 ppb (1) N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.21 ppb (2) N/A N/A 25.0
 
Jan. 21, 2019, 10 p.m. N/A N/A 0.9 ppb (1) N/A N/A 1.0 ppb (1) 35.0 ppb (27) 0.2 ppb (2) 10.0 μg/m3 (9) 8.1 μg/m3 (34) 34.0
 
Jan. 21, 2019, 9 p.m. N/A N/A 0.9 ppb (1) N/A N/A 1.0 ppb (1) 38.0 ppb (29) 0.17 ppb (2) 10.0 μg/m3 (9) 5.5 μg/m3 (23) 29.0
 
Jan. 21, 2019, 8 p.m. N/A N/A 0.9 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.16 ppb (2) 13.0 μg/m3 (12) 5.6 μg/m3 (23) 29.0
 
Jan. 21, 2019, 7 p.m. N/A N/A 0.9 ppb (1) N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.16 ppb (2) 15.0 μg/m3 (14) 8.7 μg/m3 (36) 36.0
 
Jan. 21, 2019, 6 p.m. N/A N/A 0.9 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.18 ppb (2) 19.0 μg/m3 (17) 18.9 μg/m3 (65) 65.0
 
Jan. 21, 2019, 5 p.m. N/A N/A 0.9 ppb (1) N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.19 ppb (2) 24.0 μg/m3 (22) 12.4 μg/m3 (51) 51.0
 
Jan. 21, 2019, 4 p.m. N/A N/A 0.9 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.2 ppb (2) 15.0 μg/m3 (14) 19.1 μg/m3 (65) 65.0
 
Jan. 21, 2019, 3 p.m. N/A N/A 0.9 ppb (1) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.21 ppb (2) 11.0 μg/m3 (10) 9.0 μg/m3 (38) 38.0
 
Jan. 21, 2019, 2 p.m. N/A N/A 0.9 ppb (1) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.21 ppb (2) 8.0 μg/m3 (7) 6.5 μg/m3 (27) 27.0
 
Jan. 21, 2019, 1 p.m. N/A N/A 0.9 ppb (1) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.2 ppb (2) 7.0 μg/m3 (6) 3.2 μg/m3 (13) 20.0
 
Jan. 21, 2019, noon N/A N/A 0.9 ppb (1) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.22 ppb (2) 7.0 μg/m3 (6) 5.8 μg/m3 (24) 24.0
 
Jan. 21, 2019, 11 a.m. N/A N/A 0.9 ppb (1) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.18 ppb (2) 5.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 21, 2019, 10 a.m. N/A N/A 0.9 ppb (1) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.16 ppb (2) 3.0 μg/m3 (3) 3.3 μg/m3 (14) 23.0
 
Jan. 21, 2019, 9 a.m. N/A N/A 0.9 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.14 ppb (2) 2.0 μg/m3 (2) 2.8 μg/m3 (12) 25.0
 
Jan. 21, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.15 ppb (2) 5.0 μg/m3 (5) 1.5 μg/m3 (6) 24.0
 
Jan. 21, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.18 ppb (2) 10.0 μg/m3 (9) -2.0 μg/m3 (0) 18.0
 
Jan. 21, 2019, 6 a.m. N/A N/A 0.9 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.2 ppb (2) 9.0 μg/m3 (8) 17.8 μg/m3 (62) 62.0
 
Jan. 21, 2019, 5 a.m. N/A N/A 1.9 ppb (2) N/A N/A 0.0 ppb (0) N/A 0.2 ppb (2) 6.0 μg/m3 (5) 3.2 μg/m3 (13) 13.0
 
Jan. 21, 2019, 4 a.m. N/A N/A 13.5 ppb (12) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.2 ppb (2) 6.0 μg/m3 (5) 7.3 μg/m3 (30) 30.0
 
Jan. 21, 2019, 3 a.m. N/A N/A 13.8 ppb (13) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.2 ppb (2) 8.0 μg/m3 (7) 9.6 μg/m3 (40) 40.0
 
Jan. 21, 2019, 2 a.m. N/A N/A 36.1 ppb (33) N/A N/A 0.0 ppb (0) 7.0 ppb (5) 0.5 ppb (6) 7.0 μg/m3 (6) 22.8 μg/m3 (73) 73.0
 
Jan. 21, 2019, 1 a.m. N/A N/A 33.0 ppb (31) N/A N/A 0.0 ppb (0) 2.0 ppb (2) 0.59 ppb (7) 5.0 μg/m3 (5) 9.7 μg/m3 (40) 40.0
 
Jan. 21, 2019, midnight N/A N/A 20.5 ppb (19) N/A N/A 0.0 ppb (0) 10.0 ppb (8) 0.41 ppb (5) 2.0 μg/m3 (2) 6.1 μg/m3 (25) 25.0
 
Jan. 20, 2019, 11 p.m. N/A N/A 10.5 ppb (10) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.21 ppb (2) 0.0 μg/m3 (0) 2.4 μg/m3 (10) 23.0
 
Jan. 20, 2019, 10 p.m. N/A N/A 4.6 ppb (4) N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.15 ppb (2) 2.0 μg/m3 (2) 1.9 μg/m3 (8) 29.0
 
Jan. 20, 2019, 9 p.m. N/A N/A 3.3 ppb (3) N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.14 ppb (2) 3.0 μg/m3 (3) 3.3 μg/m3 (14) 30.0
 
Jan. 20, 2019, 8 p.m. N/A N/A 2.6 ppb (2) N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.13 ppb (1) 4.0 μg/m3 (4) 2.3 μg/m3 (10) 31.0
 
Jan. 20, 2019, 7 p.m. N/A N/A 3.0 ppb (3) N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.14 ppb (2) 6.0 μg/m3 (5) 2.9 μg/m3 (12) 30.0
 
Jan. 20, 2019, 6 p.m. N/A N/A 3.0 ppb (3) N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.14 ppb (2) 4.0 μg/m3 (4) 4.9 μg/m3 (20) 30.0
 
Jan. 20, 2019, 5 p.m. N/A N/A 3.1 ppb (3) N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.14 ppb (2) 2.0 μg/m3 (2) 5.4 μg/m3 (23) 29.0
 
Jan. 20, 2019, 4 p.m. N/A N/A 3.4 ppb (3) N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.14 ppb (2) 0.0 μg/m3 (0) 15.1 μg/m3 (57) 57.0
 
Jan. 20, 2019, 3 p.m. N/A N/A 3.0 ppb (3) N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.13 ppb (1) 0.0 μg/m3 (0) 2.3 μg/m3 (10) 28.0
 
Jan. 20, 2019, 2 p.m. N/A N/A 4.2 ppb (4) N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.14 ppb (2) 1.0 μg/m3 (1) 0.8 μg/m3 (3) 28.0
 
Jan. 20, 2019, 1 p.m. N/A N/A 5.3 ppb (5) N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.14 ppb (2) 0.0 μg/m3 (0) 2.8 μg/m3 (12) 26.0
 
Jan. 20, 2019, noon N/A N/A 5.1 ppb (5) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.14 ppb (2) 0.0 μg/m3 (0) 6.1 μg/m3 (25) 25.0
 
Jan. 20, 2019, 11 a.m. N/A N/A 4.3 ppb (4) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.14 ppb (2) -3.0 μg/m3 (0) -1.1 μg/m3 (0) 25.0
 
Jan. 20, 2019, 10 a.m. N/A N/A 3.5 ppb (3) N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.14 ppb (2) N/A 1.6 μg/m3 (7) 27.0
 
Jan. 20, 2019, 9 a.m. N/A N/A 3.2 ppb (3) N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.13 ppb (1) N/A 9.1 μg/m3 (38) 38.0
 
Jan. 20, 2019, 8 a.m. N/A N/A 3.3 ppb (3) N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.14 ppb (2) N/A -3.2 μg/m3 (0) 28.0
 
Jan. 20, 2019, 7 a.m. N/A N/A 2.8 ppb (3) N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.15 ppb (2) -3.0 μg/m3 (0) N/A 28.0
 
Jan. 20, 2019, 6 a.m. N/A N/A 3.0 ppb (3) N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.14 ppb (2) -1.0 μg/m3 (0) 3.8 μg/m3 (16) 28.0
 
Jan. 20, 2019, 5 a.m. N/A N/A 2.9 ppb (3) N/A N/A 0.0 ppb (0) N/A 0.15 ppb (2) 0.0 μg/m3 (0) 1.4 μg/m3 (6) 6.0
 
Jan. 20, 2019, 4 a.m. N/A N/A 2.6 ppb (2) N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.14 ppb (2) 1.0 μg/m3 (1) -1.1 μg/m3 (0) 29.0
 
Jan. 20, 2019, 3 a.m. N/A N/A 3.0 ppb (3) N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.15 ppb (2) 4.0 μg/m3 (4) -4.7 μg/m3 (0) 28.0
 
Jan. 20, 2019, 2 a.m. N/A N/A 3.0 ppb (3) N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.15 ppb (2) 2.0 μg/m3 (2) -1.1 μg/m3 (0) 28.0
 
Jan. 20, 2019, 1 a.m. N/A N/A 3.6 ppb (3) N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.16 ppb (2) -1.0 μg/m3 (0) 6.5 μg/m3 (27) 27.0
 
Jan. 20, 2019, midnight N/A N/A 5.6 ppb (5) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.17 ppb (2) -1.0 μg/m3 (0) -4.7 μg/m3 (0) 24.0
 
Jan. 19, 2019, 11 p.m. N/A N/A 6.5 ppb (6) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.17 ppb (2) 0.0 μg/m3 (0) N/A 23.0
 
Jan. 19, 2019, 10 p.m. N/A N/A 7.0 ppb (6) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.18 ppb (2) 1.0 μg/m3 (1) 19.5 μg/m3 (66) 66.0
 
Jan. 19, 2019, 9 p.m. N/A N/A 5.8 ppb (5) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.24 ppb (3) 4.0 μg/m3 (4) -0.6 μg/m3 (0) 24.0
 
Jan. 19, 2019, 8 p.m. N/A N/A 5.7 ppb (5) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.18 ppb (2) 5.0 μg/m3 (5) 4.3 μg/m3 (18) 22.0
 
Jan. 19, 2019, 7 p.m. N/A N/A 6.6 ppb (6) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.2 ppb (2) 4.0 μg/m3 (4) 4.9 μg/m3 (20) 20.0
 
Jan. 19, 2019, 6 p.m. N/A N/A 7.7 ppb (7) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.21 ppb (2) 2.0 μg/m3 (2) 1.7 μg/m3 (7) 15.0
 
Jan. 19, 2019, 5 p.m. N/A N/A 7.8 ppb (7) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.22 ppb (2) 3.0 μg/m3 (3) 3.1 μg/m3 (13) 15.0
 
Jan. 19, 2019, 4 p.m. N/A N/A 7.6 ppb (7) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.21 ppb (2) 5.0 μg/m3 (5) 5.4 μg/m3 (23) 23.0
 
Jan. 19, 2019, 3 p.m. N/A N/A 8.5 ppb (8) N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.23 ppb (3) 5.0 μg/m3 (5) 5.4 μg/m3 (23) 23.0
 
Jan. 19, 2019, 2 p.m. N/A N/A 10.2 ppb (9) N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.24 ppb (3) 7.0 μg/m3 (6) 6.7 μg/m3 (28) 28.0
 
Jan. 19, 2019, 1 p.m. N/A N/A 8.6 ppb (8) N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.23 ppb (3) 7.0 μg/m3 (6) 8.7 μg/m3 (36) 36.0
 
Jan. 19, 2019, noon N/A N/A 8.7 ppb (8) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.22 ppb (2) 8.0 μg/m3 (7) 10.5 μg/m3 (44) 44.0
 
Jan. 19, 2019, 11 a.m. N/A N/A 8.8 ppb (8) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.21 ppb (2) 12.0 μg/m3 (11) 12.3 μg/m3 (51) 51.0
 
Jan. 19, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.21 ppb (2) 12.0 μg/m3 (11) 13.3 μg/m3 (53) 53.0
 
Jan. 19, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.2 ppb (2) 11.0 μg/m3 (10) 17.2 μg/m3 (61) 61.0
 
Jan. 19, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.2 ppb (2) 11.0 μg/m3 (10) 15.8 μg/m3 (58) 58.0
 
Jan. 19, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.2 ppb (2) 12.0 μg/m3 (11) 12.7 μg/m3 (51) 51.0
 
Jan. 19, 2019, 6 a.m. N/A N/A 11.9 ppb (11) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.21 ppb (2) 13.0 μg/m3 (12) 13.4 μg/m3 (53) 53.0
 
Jan. 19, 2019, 5 a.m. N/A N/A 12.4 ppb (11) N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.23 ppb (3) 15.0 μg/m3 (14) 36.4 μg/m3 (102) 102.0
 
Jan. 19, 2019, 4 a.m. N/A N/A 12.8 ppb (12) N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.22 ppb (2) 13.0 μg/m3 (12) 13.1 μg/m3 (52) 52.0
 
Jan. 19, 2019, 3 a.m. N/A N/A 10.1 ppb (9) N/A N/A 1.0 ppb (1) 22.0 ppb (17) 0.2 ppb (2) 11.0 μg/m3 (10) 26.9 μg/m3 (82) 82.0
 
Jan. 19, 2019, 2 a.m. N/A N/A 8.9 ppb (8) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.19 ppb (2) 13.0 μg/m3 (12) 6.1 μg/m3 (25) 25.0
 
Jan. 19, 2019, 1 a.m. N/A N/A 12.1 ppb (11) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.22 ppb (2) 15.0 μg/m3 (14) 9.3 μg/m3 (39) 39.0
 
Jan. 19, 2019, midnight N/A N/A 14.1 ppb (13) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.23 ppb (3) 14.0 μg/m3 (13) 11.4 μg/m3 (48) 48.0
 
Jan. 18, 2019, 11 p.m. N/A N/A 15.2 ppb (14) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.23 ppb (3) 12.0 μg/m3 (11) 13.5 μg/m3 (53) 53.0
 
Jan. 18, 2019, 10 p.m. N/A N/A 14.8 ppb (14) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.24 ppb (3) 10.0 μg/m3 (9) 10.8 μg/m3 (45) 45.0
 
Jan. 18, 2019, 9 p.m. N/A N/A 13.6 ppb (13) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.22 ppb (2) 10.0 μg/m3 (9) 9.8 μg/m3 (41) 41.0
 
Jan. 18, 2019, 8 p.m. N/A N/A 14.8 ppb (14) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.23 ppb (3) 12.0 μg/m3 (11) 11.6 μg/m3 (48) 48.0
 
Jan. 18, 2019, 7 p.m. N/A N/A 13.0 ppb (12) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.22 ppb (2) 14.0 μg/m3 (13) 10.9 μg/m3 (45) 45.0
 
Jan. 18, 2019, 6 p.m. N/A N/A 15.6 ppb (14) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.24 ppb (3) 23.0 μg/m3 (21) 17.5 μg/m3 (62) 62.0
 
Jan. 18, 2019, 5 p.m. N/A N/A 14.1 ppb (13) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.23 ppb (3) 14.0 μg/m3 (13) 13.4 μg/m3 (53) 53.0
 
Jan. 18, 2019, 4 p.m. N/A N/A 13.6 ppb (13) N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.22 ppb (2) 18.0 μg/m3 (16) 14.8 μg/m3 (56) 56.0
 
Jan. 18, 2019, 3 p.m. N/A N/A 16.3 ppb (15) N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.24 ppb (3) 14.0 μg/m3 (13) 20.1 μg/m3 (67) 67.0
 
Jan. 18, 2019, 2 p.m. N/A N/A 16.3 ppb (15) N/A N/A 0.0 ppb (0) 14.0 ppb (11) 0.25 ppb (3) 13.0 μg/m3 (12) 13.5 μg/m3 (53) 53.0
 
Jan. 18, 2019, 1 p.m. N/A N/A 14.1 ppb (13) N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.24 ppb (3) 11.0 μg/m3 (10) 18.2 μg/m3 (63) 63.0
 
Jan. 18, 2019, noon N/A N/A 11.8 ppb (11) N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.22 ppb (2) 10.0 μg/m3 (9) 15.4 μg/m3 (57) 57.0
 
Jan. 18, 2019, 11 a.m. N/A N/A 9.0 ppb (8) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.21 ppb (2) 11.0 μg/m3 (10) 9.1 μg/m3 (38) 38.0
 
Jan. 18, 2019, 10 a.m. N/A N/A 8.5 ppb (8) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.2 ppb (2) 7.0 μg/m3 (6) 8.8 μg/m3 (37) 37.0
 
Jan. 18, 2019, 9 a.m. N/A N/A 7.3 ppb (7) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.17 ppb (2) 6.0 μg/m3 (5) 9.4 μg/m3 (39) 39.0
 
Jan. 18, 2019, 8 a.m. N/A N/A 7.2 ppb (7) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.17 ppb (2) 5.0 μg/m3 (5) 8.3 μg/m3 (35) 35.0
 
Jan. 18, 2019, 7 a.m. N/A N/A 7.4 ppb (7) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.17 ppb (2) 4.0 μg/m3 (4) 6.8 μg/m3 (28) 28.0
 
Jan. 18, 2019, 6 a.m. N/A N/A 8.4 ppb (8) N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.19 ppb (2) 5.0 μg/m3 (5) 19.0 μg/m3 (65) 65.0
 
Jan. 18, 2019, 5 a.m. N/A N/A 8.9 ppb (8) N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.2 ppb (2) 7.0 μg/m3 (6) 3.4 μg/m3 (14) 14.0
 
Jan. 18, 2019, 4 a.m. N/A N/A 11.5 ppb (11) N/A N/A 0.0 ppb (0) 11.0 ppb (8) 0.23 ppb (3) 7.0 μg/m3 (6) 6.2 μg/m3 (26) 26.0
 
Jan. 18, 2019, 3 a.m. N/A N/A 12.8 ppb (12) N/A N/A 0.0 ppb (0) 8.0 ppb (6) 0.28 ppb (3) 5.0 μg/m3 (5) 5.5 μg/m3 (23) 23.0
 
Jan. 18, 2019, 2 a.m. N/A N/A 12.7 ppb (12) N/A N/A 0.0 ppb (0) 8.0 ppb (6) 0.28 ppb (3) 4.0 μg/m3 (4) 19.4 μg/m3 (66) 66.0
 
Jan. 18, 2019, 1 a.m. N/A N/A 11.9 ppb (11) N/A N/A 0.0 ppb (0) 8.0 ppb (6) 0.25 ppb (3) 2.0 μg/m3 (2) 1.9 μg/m3 (8) 11.0
 
Jan. 18, 2019, midnight N/A N/A 11.2 ppb (10) N/A N/A 0.0 ppb (0) 8.0 ppb (6) 0.24 ppb (3) 4.0 μg/m3 (4) 3.6 μg/m3 (15) 15.0
 
Jan. 17, 2019, 11 p.m. N/A N/A 30.4 ppb (28) N/A N/A 0.0 ppb (0) 1.0 ppb (1) 0.38 ppb (4) 8.0 μg/m3 (7) 7.2 μg/m3 (30) 30.0
 
Jan. 17, 2019, 10 p.m. N/A N/A 42.4 ppb (39) N/A N/A 0.0 ppb (0) 0.0 ppb (0) 0.52 ppb (6) 9.0 μg/m3 (8) 6.0 μg/m3 (25) 39.0
 
Jan. 17, 2019, 9 p.m. N/A N/A 41.5 ppb (38) N/A N/A 0.0 ppb (0) 1.0 ppb (1) 0.48 ppb (5) 8.0 μg/m3 (7) 3.4 μg/m3 (14) 38.0
 
Jan. 17, 2019, 8 p.m. N/A N/A 23.4 ppb (22) N/A N/A 0.0 ppb (0) 7.0 ppb (5) 0.34 ppb (4) 6.0 μg/m3 (5) 6.8 μg/m3 (28) 28.0
 
Jan. 17, 2019, 7 p.m. N/A N/A 20.2 ppb (19) N/A N/A 0.0 ppb (0) 9.0 ppb (7) 0.29 ppb (3) 5.0 μg/m3 (5) 10.4 μg/m3 (43) 43.0
 
Jan. 17, 2019, 6 p.m. N/A N/A 20.5 ppb (19) N/A N/A 0.0 ppb (0) 9.0 ppb (7) 0.29 ppb (3) 10.0 μg/m3 (9) 24.4 μg/m3 (76) 76.0
 
Jan. 17, 2019, 5 p.m. N/A N/A 17.4 ppb (16) N/A N/A 0.0 ppb (0) 11.0 ppb (8) 0.27 ppb (3) 14.0 μg/m3 (13) 11.8 μg/m3 (49) 49.0
 
Jan. 17, 2019, 4 p.m. N/A N/A 15.7 ppb (15) N/A N/A 0.0 ppb (0) 12.0 ppb (9) 0.26 ppb (3) 15.0 μg/m3 (14) 13.5 μg/m3 (53) 53.0
 
Jan. 17, 2019, 3 p.m. N/A N/A 17.5 ppb (16) N/A N/A 0.0 ppb (0) 10.0 ppb (8) 0.28 ppb (3) 10.0 μg/m3 (9) 14.3 μg/m3 (55) 55.0
 
Jan. 17, 2019, 2 p.m. N/A N/A 16.8 ppb (16) N/A N/A 0.0 ppb (0) 10.0 ppb (8) 0.26 ppb (3) 9.0 μg/m3 (8) 14.7 μg/m3 (56) 56.0
 
Jan. 17, 2019, 1 p.m. N/A N/A 19.6 ppb (18) N/A N/A 0.0 ppb (0) 8.0 ppb (6) 0.26 ppb (3) 18.0 μg/m3 (16) 15.1 μg/m3 (57) 57.0
 
Jan. 17, 2019, noon N/A N/A 18.4 ppb (17) N/A N/A 0.0 ppb (0) 8.0 ppb (6) 0.27 ppb (3) 19.0 μg/m3 (17) 15.4 μg/m3 (57) 57.0