AQSQID: 180970078

Site Name: Indpls-Washington Park

Location: Indianapolis (E 30th St), IN

Reporting: True, Located: True

Current AQI: 31.0

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
March 26, 2019, 4 p.m. N/A N/A 5.8 ppb (5) N/A N/A 1.0 ppb (1) 40.0 ppb (31) 0.19 ppb (2) N/A N/A 31.0
 
March 26, 2019, 3 p.m. N/A N/A 6.0 ppb (6) N/A N/A 1.0 ppb (1) 39.0 ppb (30) 0.18 ppb (2) N/A N/A 30.0
 
March 26, 2019, 2 p.m. N/A N/A 8.2 ppb (8) N/A N/A 1.0 ppb (1) 36.0 ppb (28) 0.2 ppb (2) N/A N/A 28.0
 
March 26, 2019, 1 p.m. N/A N/A 13.9 ppb (13) N/A N/A 1.0 ppb (1) 28.0 ppb (22) 0.22 ppb (2) N/A N/A 22.0
 
March 26, 2019, noon N/A N/A 19.9 ppb (18) N/A N/A 1.0 ppb (1) 16.0 ppb (12) 0.28 ppb (3) N/A N/A 18.0
 
March 26, 2019, 11 a.m. N/A N/A 18.6 ppb (17) N/A N/A 0.0 ppb (0) 12.0 ppb (9) 0.26 ppb (3) N/A N/A 17.0
 
March 26, 2019, 10 a.m. N/A N/A 14.8 ppb (14) N/A N/A 0.0 ppb (0) 13.0 ppb (10) 0.27 ppb (3) N/A N/A 14.0
 
March 26, 2019, 9 a.m. N/A N/A 14.1 ppb (13) N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.22 ppb (2) N/A N/A 13.0
 
March 26, 2019, 8 a.m. N/A N/A 11.2 ppb (10) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.21 ppb (2) N/A N/A 15.0
 
March 26, 2019, 7 a.m. N/A N/A 10.7 ppb (10) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.23 ppb (3) N/A N/A 15.0
 
March 26, 2019, 6 a.m. N/A N/A 11.6 ppb (11) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.26 ppb (3) N/A N/A 15.0
 
March 26, 2019, 5 a.m. N/A N/A 15.6 ppb (14) N/A N/A 0.0 ppb (0) 12.0 ppb (9) 0.32 ppb (4) N/A N/A 14.0
 
March 26, 2019, 4 a.m. N/A N/A 15.1 ppb (14) N/A N/A 0.0 ppb (0) 13.0 ppb (10) 0.35 ppb (4) N/A N/A 14.0
 
March 26, 2019, 3 a.m. N/A N/A 12.8 ppb (12) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.29 ppb (3) N/A N/A 17.0
 
March 26, 2019, 2 a.m. N/A N/A 10.2 ppb (9) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.27 ppb (3) N/A N/A 23.0
 
March 26, 2019, 1 a.m. N/A N/A 5.9 ppb (5) N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.19 ppb (2) N/A N/A 29.0
 
March 26, 2019, midnight N/A N/A 4.8 ppb (4) N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.17 ppb (2) N/A N/A 32.0
 
March 25, 2019, 11 p.m. N/A N/A 3.9 ppb (4) N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.17 ppb (2) N/A N/A 35.0
 
March 25, 2019, 10 p.m. N/A N/A 3.8 ppb (4) N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.17 ppb (2) N/A N/A 37.0
 
March 25, 2019, 9 p.m. N/A N/A 4.7 ppb (4) N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.19 ppb (2) N/A N/A 36.0
 
March 25, 2019, 8 p.m. N/A N/A 5.3 ppb (5) N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.2 ppb (2) N/A N/A 35.0
 
March 25, 2019, 7 p.m. N/A N/A 5.8 ppb (5) N/A N/A N/A 42.0 ppb (32) 0.2 ppb (2) N/A N/A 32.0
 
March 25, 2019, 6 p.m. N/A N/A 6.4 ppb (6) N/A N/A N/A 40.0 ppb (31) 0.21 ppb (2) N/A N/A 31.0
 
March 25, 2019, 5 p.m. N/A N/A 6.6 ppb (6) N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.23 ppb (3) N/A N/A 28.0
 
March 25, 2019, 4 p.m. N/A N/A 6.1 ppb (6) N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.22 ppb (2) N/A N/A 28.0
 
March 25, 2019, 3 p.m. N/A N/A 6.1 ppb (6) N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.19 ppb (2) N/A N/A 27.0
 
March 25, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
March 25, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.22 ppb (2) N/A N/A 25.0
 
March 25, 2019, noon N/A N/A 7.2 ppb (7) N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.23 ppb (3) N/A N/A 28.0
 
March 25, 2019, 11 a.m. N/A N/A 6.0 ppb (6) N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.23 ppb (3) 5.0 μg/m3 (5) 9.4 μg/m3 (39) 39.0
 
March 25, 2019, 10 a.m. N/A N/A 4.8 ppb (4) N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.23 ppb (3) 4.0 μg/m3 (4) 8.7 μg/m3 (36) 36.0
 
March 25, 2019, 9 a.m. N/A N/A 4.4 ppb (4) N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.22 ppb (2) 3.0 μg/m3 (3) 7.4 μg/m3 (31) 31.0
 
March 25, 2019, 8 a.m. N/A N/A 4.0 ppb (4) N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.22 ppb (2) 5.0 μg/m3 (5) 9.2 μg/m3 (38) 38.0
 
March 25, 2019, 7 a.m. N/A N/A 6.2 ppb (6) N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.24 ppb (3) 8.0 μg/m3 (7) 9.1 μg/m3 (38) 38.0
 
March 25, 2019, 6 a.m. N/A N/A 6.8 ppb (6) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.24 ppb (3) 9.0 μg/m3 (8) 9.1 μg/m3 (38) 38.0
 
March 25, 2019, 5 a.m. N/A N/A 7.8 ppb (7) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.26 ppb (3) 10.0 μg/m3 (9) 9.9 μg/m3 (41) 41.0
 
March 25, 2019, 4 a.m. N/A N/A 9.4 ppb (9) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.27 ppb (3) 15.0 μg/m3 (14) 10.2 μg/m3 (42) 42.0
 
March 25, 2019, 3 a.m. N/A N/A 14.6 ppb (14) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.33 ppb (4) 14.0 μg/m3 (13) 11.9 μg/m3 (50) 50.0
 
March 25, 2019, 2 a.m. N/A N/A 15.8 ppb (15) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.36 ppb (4) 15.0 μg/m3 (14) 15.3 μg/m3 (57) 57.0
 
March 25, 2019, 1 a.m. N/A N/A 14.7 ppb (14) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.3 ppb (3) 15.0 μg/m3 (14) 8.3 μg/m3 (35) 35.0
 
March 25, 2019, midnight N/A N/A 12.0 ppb (11) N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.3 ppb (3) 11.0 μg/m3 (10) 8.4 μg/m3 (35) 35.0
 
March 24, 2019, 11 p.m. N/A N/A 9.1 ppb (8) N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.27 ppb (3) N/A N/A 31.0
 
March 24, 2019, 10 p.m. N/A N/A 7.9 ppb (7) N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.27 ppb (3) 7.0 μg/m3 (6) 8.5 μg/m3 (35) 35.0
 
March 24, 2019, 9 p.m. N/A N/A 9.0 ppb (8) N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.28 ppb (3) 7.0 μg/m3 (6) 7.4 μg/m3 (31) 31.0
 
March 24, 2019, 8 p.m. N/A N/A 11.1 ppb (10) N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.28 ppb (3) 8.0 μg/m3 (7) 7.7 μg/m3 (32) 32.0
 
March 24, 2019, 7 p.m. N/A N/A 11.5 ppb (11) N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.29 ppb (3) 12.0 μg/m3 (11) 8.4 μg/m3 (35) 35.0
 
March 24, 2019, 6 p.m. N/A N/A 11.5 ppb (11) N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.3 ppb (3) 12.0 μg/m3 (11) 7.0 μg/m3 (29) 32.0
 
March 24, 2019, 5 p.m. N/A N/A 15.2 ppb (14) N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.29 ppb (3) 12.0 μg/m3 (11) 5.6 μg/m3 (23) 27.0
 
March 24, 2019, 4 p.m. N/A N/A 12.0 ppb (11) N/A N/A 1.0 ppb (1) 37.0 ppb (28) 0.27 ppb (3) 14.0 μg/m3 (13) 7.7 μg/m3 (32) 32.0
 
March 24, 2019, 3 p.m. N/A N/A 11.8 ppb (11) N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.29 ppb (3) 20.0 μg/m3 (18) 10.5 μg/m3 (44) 44.0
 
March 24, 2019, 2 p.m. N/A N/A 17.0 ppb (16) N/A N/A 1.0 ppb (1) 27.0 ppb (21) 0.34 ppb (4) 20.0 μg/m3 (18) 12.4 μg/m3 (51) 51.0
 
March 24, 2019, 1 p.m. N/A N/A 17.1 ppb (16) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.34 ppb (4) 18.0 μg/m3 (16) 11.6 μg/m3 (48) 48.0
 
March 24, 2019, noon N/A N/A 17.2 ppb (16) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.34 ppb (4) 16.0 μg/m3 (15) 10.8 μg/m3 (45) 45.0
 
March 24, 2019, 11 a.m. N/A N/A 20.4 ppb (19) N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.37 ppb (4) 18.0 μg/m3 (16) 12.1 μg/m3 (50) 50.0
 
March 24, 2019, 10 a.m. N/A N/A 21.9 ppb (20) N/A N/A 0.0 ppb (0) 13.0 ppb (10) 0.39 ppb (4) 23.0 μg/m3 (21) 12.3 μg/m3 (51) 51.0
 
March 24, 2019, 9 a.m. N/A N/A 22.2 ppb (21) N/A N/A 1.0 ppb (1) 17.0 ppb (13) 0.37 ppb (4) 20.0 μg/m3 (18) 15.8 μg/m3 (58) 58.0
 
March 24, 2019, 8 a.m. N/A N/A 20.8 ppb (19) N/A N/A 1.0 ppb (1) 20.0 ppb (15) 0.39 ppb (4) 27.0 μg/m3 (25) 20.4 μg/m3 (68) 68.0
 
March 24, 2019, 7 a.m. N/A N/A 30.8 ppb (29) N/A N/A 0.0 ppb (0) 6.0 ppb (5) 0.59 ppb (7) 35.0 μg/m3 (32) 29.3 μg/m3 (87) 87.0
 
March 24, 2019, 6 a.m. N/A N/A 35.6 ppb (33) N/A N/A 0.0 ppb (0) 2.0 ppb (2) 0.76 ppb (8) 41.0 μg/m3 (37) 20.3 μg/m3 (68) 68.0
 
March 24, 2019, 5 a.m. N/A N/A 33.1 ppb (31) N/A N/A 0.0 ppb (0) N/A 0.85 ppb (9) 41.0 μg/m3 (37) 29.6 μg/m3 (87) 87.0
 
March 24, 2019, 4 a.m. N/A N/A 25.2 ppb (23) N/A N/A 0.0 ppb (0) 6.0 ppb (5) 0.75 ppb (8) 30.0 μg/m3 (27) 24.4 μg/m3 (76) 76.0
 
March 24, 2019, 3 a.m. N/A N/A 29.1 ppb (27) N/A N/A 1.0 ppb (1) 4.0 ppb (3) 1.05 ppb (12) 54.0 μg/m3 (49) 29.4 μg/m3 (87) 87.0
 
March 24, 2019, 2 a.m. N/A N/A 39.7 ppb (37) N/A N/A 1.0 ppb (1) 9.0 ppb (7) 1.26 ppb (14) 75.0 μg/m3 (60) N/A 60.0
 
March 24, 2019, 1 a.m. N/A N/A 28.2 ppb (26) N/A N/A 1.0 ppb (1) 4.0 ppb (3) N/A 58.0 μg/m3 (52) 19.5 μg/m3 (66) 66.0
 
March 24, 2019, midnight N/A N/A 15.5 ppb (14) N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A 35.0 μg/m3 (32) 12.4 μg/m3 (51) 51.0
 
March 23, 2019, 11 p.m. N/A N/A 10.1 ppb (9) N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.28 ppb (3) N/A N/A 34.0
 
March 23, 2019, 10 p.m. N/A N/A 8.1 ppb (8) N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.23 ppb (3) 13.0 μg/m3 (12) 4.4 μg/m3 (18) 37.0
 
March 23, 2019, 9 p.m. N/A N/A 8.4 ppb (8) N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.23 ppb (3) 18.0 μg/m3 (16) 7.8 μg/m3 (32) 38.0
 
March 23, 2019, 8 p.m. N/A N/A 12.3 ppb (11) N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.25 ppb (3) 23.0 μg/m3 (21) 9.9 μg/m3 (41) 41.0
 
March 23, 2019, 7 p.m. N/A N/A 15.0 ppb (14) N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.26 ppb (3) 28.0 μg/m3 (25) 9.9 μg/m3 (41) 41.0
 
March 23, 2019, 6 p.m. N/A N/A 15.0 ppb (14) N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.27 ppb (3) 19.0 μg/m3 (17) 11.0 μg/m3 (46) 46.0
 
March 23, 2019, 5 p.m. N/A N/A 15.3 ppb (14) N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.27 ppb (3) 23.0 μg/m3 (21) 12.9 μg/m3 (52) 52.0
 
March 23, 2019, 4 p.m. N/A N/A 14.3 ppb (13) N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.27 ppb (3) 17.0 μg/m3 (15) 16.1 μg/m3 (59) 59.0
 
March 23, 2019, 3 p.m. N/A N/A 14.0 ppb (13) N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.25 ppb (3) 12.0 μg/m3 (11) 5.5 μg/m3 (23) 26.0
 
March 23, 2019, 2 p.m. N/A N/A 11.3 ppb (10) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.23 ppb (3) 8.0 μg/m3 (7) 3.4 μg/m3 (14) 25.0
 
March 23, 2019, 1 p.m. N/A N/A 14.4 ppb (13) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.24 ppb (3) 8.0 μg/m3 (7) 2.9 μg/m3 (12) 22.0
 
March 23, 2019, noon N/A N/A 30.0 ppb (28) N/A N/A 0.0 ppb (0) 10.0 ppb (8) 0.41 ppb (5) 8.0 μg/m3 (7) 3.6 μg/m3 (15) 28.0
 
March 23, 2019, 11 a.m. N/A N/A 32.7 ppb (30) N/A N/A 0.0 ppb (0) 6.0 ppb (5) 0.39 ppb (4) 7.0 μg/m3 (6) 2.5 μg/m3 (10) 30.0
 
March 23, 2019, 10 a.m. N/A N/A 17.0 ppb (16) N/A N/A 0.0 ppb (0) 6.0 ppb (5) 0.4 ppb (4) 6.0 μg/m3 (5) 20.5 μg/m3 (68) 68.0
 
March 23, 2019, 9 a.m. N/A N/A 11.0 ppb (10) N/A N/A 0.0 ppb (0) 12.0 ppb (9) 0.3 ppb (3) 5.0 μg/m3 (5) N/A 10.0
 
March 23, 2019, 8 a.m. N/A N/A 11.1 ppb (10) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.24 ppb (3) 1.0 μg/m3 (1) 2.7 μg/m3 (11) 19.0
 
March 23, 2019, 7 a.m. N/A N/A 5.6 ppb (5) N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.19 ppb (2) -2.0 μg/m3 (0) -3.7 μg/m3 (0) 26.0
 
March 23, 2019, 6 a.m. N/A N/A 5.1 ppb (5) N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.19 ppb (2) -1.0 μg/m3 (0) N/A 28.0
 
March 23, 2019, 5 a.m. N/A N/A 4.3 ppb (4) N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.18 ppb (2) -4.0 μg/m3 (0) N/A 29.0
 
March 23, 2019, 4 a.m. N/A N/A 3.2 ppb (3) N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.17 ppb (2) N/A -4.4 μg/m3 (0) 31.0
 
March 23, 2019, 3 a.m. N/A N/A 3.2 ppb (3) N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.17 ppb (2) -4.0 μg/m3 (0) -1.8 μg/m3 (0) 32.0
 
March 23, 2019, 2 a.m. N/A N/A 3.5 ppb (3) N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.18 ppb (2) -4.0 μg/m3 (0) 0.0 μg/m3 (0) 32.0
 
March 23, 2019, 1 a.m. N/A N/A 4.3 ppb (4) N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.19 ppb (2) -3.0 μg/m3 (0) 1.2 μg/m3 (5) 33.0
 
March 23, 2019, midnight N/A N/A 3.8 ppb (4) N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.18 ppb (2) -1.0 μg/m3 (0) 2.3 μg/m3 (10) 35.0
 
March 22, 2019, 11 p.m. N/A N/A 2.7 ppb (3) N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.17 ppb (2) N/A N/A 35.0
 
March 22, 2019, 10 p.m. N/A N/A 2.5 ppb (2) N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.17 ppb (2) 2.0 μg/m3 (2) 2.0 μg/m3 (8) 36.0
 
March 22, 2019, 9 p.m. N/A N/A 2.4 ppb (2) N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.17 ppb (2) 1.0 μg/m3 (1) 0.8 μg/m3 (3) 37.0
 
March 22, 2019, 8 p.m. N/A N/A 2.4 ppb (2) N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.17 ppb (2) 2.0 μg/m3 (2) 0.7 μg/m3 (3) 37.0
 
March 22, 2019, 7 p.m. N/A N/A 2.2 ppb (2) N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.17 ppb (2) 3.0 μg/m3 (3) 0.5 μg/m3 (2) 37.0
 
March 22, 2019, 6 p.m. N/A N/A 2.4 ppb (2) N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.18 ppb (2) 1.0 μg/m3 (1) -1.9 μg/m3 (0) 36.0
 
March 22, 2019, 5 p.m. N/A N/A 2.4 ppb (2) N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.2 ppb (2) 3.0 μg/m3 (3) -0.6 μg/m3 (0) 36.0
 
March 22, 2019, 4 p.m. N/A N/A 3.0 ppb (3) N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.17 ppb (2) 7.0 μg/m3 (6) 1.7 μg/m3 (7) 35.0
 
March 22, 2019, 3 p.m. N/A N/A 5.1 ppb (5) N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.19 ppb (2) 9.0 μg/m3 (8) 3.1 μg/m3 (13) 30.0
 
March 22, 2019, 2 p.m. N/A N/A 7.3 ppb (7) N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.2 ppb (2) 8.0 μg/m3 (7) 4.4 μg/m3 (18) 26.0
 
March 22, 2019, 1 p.m. N/A N/A 9.4 ppb (9) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.22 ppb (2) 7.0 μg/m3 (6) 7.0 μg/m3 (29) 29.0
 
March 22, 2019, noon N/A N/A 10.2 ppb (9) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.23 ppb (3) 5.0 μg/m3 (5) 7.1 μg/m3 (30) 30.0
 
March 22, 2019, 11 a.m. N/A N/A 10.0 ppb (9) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.22 ppb (2) 3.0 μg/m3 (3) 6.0 μg/m3 (25) 25.0
 
March 22, 2019, 10 a.m. N/A N/A 12.0 ppb (11) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.24 ppb (3) 5.0 μg/m3 (5) 7.8 μg/m3 (32) 32.0
 
March 22, 2019, 9 a.m. N/A N/A 11.5 ppb (11) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.23 ppb (3) 7.0 μg/m3 (6) 7.2 μg/m3 (30) 30.0
 
March 22, 2019, 8 a.m. N/A N/A 10.5 ppb (10) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.22 ppb (2) 8.0 μg/m3 (7) 5.9 μg/m3 (25) 25.0
 
March 22, 2019, 7 a.m. N/A N/A 10.3 ppb (10) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.22 ppb (2) 8.0 μg/m3 (7) 7.8 μg/m3 (32) 32.0
 
March 22, 2019, 6 a.m. N/A N/A 9.9 ppb (9) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.23 ppb (3) 8.0 μg/m3 (7) 11.2 μg/m3 (47) 47.0
 
March 22, 2019, 5 a.m. N/A N/A 13.4 ppb (12) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.24 ppb (3) 10.0 μg/m3 (9) 13.2 μg/m3 (53) 53.0
 
March 22, 2019, 4 a.m. N/A N/A 11.6 ppb (11) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.3 ppb (3) 13.0 μg/m3 (12) 11.8 μg/m3 (49) 49.0
 
March 22, 2019, 3 a.m. N/A N/A 11.2 ppb (10) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.25 ppb (3) 14.0 μg/m3 (13) 10.2 μg/m3 (42) 42.0
 
March 22, 2019, 2 a.m. N/A N/A 11.7 ppb (11) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.27 ppb (3) 12.0 μg/m3 (11) 10.0 μg/m3 (42) 42.0
 
March 22, 2019, 1 a.m. N/A N/A 9.3 ppb (9) N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.27 ppb (3) 11.0 μg/m3 (10) 8.1 μg/m3 (34) 34.0
 
March 22, 2019, midnight N/A N/A 7.2 ppb (7) N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.24 ppb (3) 10.0 μg/m3 (9) 9.2 μg/m3 (38) 38.0
 
March 21, 2019, 11 p.m. N/A N/A 7.7 ppb (7) N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.23 ppb (3) N/A N/A 30.0
 
March 21, 2019, 10 p.m. N/A N/A 9.5 ppb (9) N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.25 ppb (3) 19.0 μg/m3 (17) 16.8 μg/m3 (60) 60.0
 
March 21, 2019, 9 p.m. N/A N/A 10.0 ppb (9) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.27 ppb (3) 16.0 μg/m3 (15) 16.4 μg/m3 (59) 59.0
 
March 21, 2019, 8 p.m. N/A N/A 10.1 ppb (9) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.26 ppb (3) 16.0 μg/m3 (15) 13.7 μg/m3 (54) 54.0
 
March 21, 2019, 7 p.m. N/A N/A 11.5 ppb (11) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.26 ppb (3) 16.0 μg/m3 (15) 21.0 μg/m3 (69) 69.0
 
March 21, 2019, 6 p.m. N/A N/A 12.2 ppb (11) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.27 ppb (3) 19.0 μg/m3 (17) 20.5 μg/m3 (68) 68.0
 
March 21, 2019, 5 p.m. N/A N/A 9.7 ppb (9) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.26 ppb (3) 8.0 μg/m3 (7) 8.1 μg/m3 (34) 34.0
 
March 21, 2019, 4 p.m. N/A N/A 8.0 ppb (7) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.2 ppb (2) 7.0 μg/m3 (6) 7.2 μg/m3 (30) 30.0
 
March 21, 2019, 3 p.m. N/A N/A 7.3 ppb (7) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.19 ppb (2) 7.0 μg/m3 (6) 8.6 μg/m3 (36) 36.0
 
March 21, 2019, 2 p.m. N/A N/A 6.3 ppb (6) N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.19 ppb (2) 6.0 μg/m3 (5) 10.8 μg/m3 (45) 45.0
 
March 21, 2019, 1 p.m. N/A N/A 6.7 ppb (6) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.2 ppb (2) 8.0 μg/m3 (7) 12.5 μg/m3 (51) 51.0
 
March 21, 2019, noon N/A N/A 11.1 ppb (10) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.25 ppb (3) 10.0 μg/m3 (9) 10.6 μg/m3 (44) 44.0
 
March 21, 2019, 11 a.m. N/A N/A 18.9 ppb (18) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.34 ppb (4) 8.0 μg/m3 (7) 7.3 μg/m3 (30) 30.0
 
March 21, 2019, 10 a.m. N/A N/A 8.6 ppb (8) N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.24 ppb (3) 8.0 μg/m3 (7) 5.7 μg/m3 (24) 25.0
 
March 21, 2019, 9 a.m. N/A N/A 9.4 ppb (9) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.23 ppb (3) 9.0 μg/m3 (8) 14.8 μg/m3 (56) 56.0
 
March 21, 2019, 8 a.m. N/A N/A 9.9 ppb (9) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.24 ppb (3) 16.0 μg/m3 (15) 13.6 μg/m3 (53) 53.0
 
March 21, 2019, 7 a.m. N/A N/A 11.8 ppb (11) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.24 ppb (3) 16.0 μg/m3 (15) 14.0 μg/m3 (54) 54.0
 
March 21, 2019, 6 a.m. N/A N/A 12.9 ppb (12) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.24 ppb (3) 14.0 μg/m3 (13) 17.6 μg/m3 (62) 62.0
 
March 21, 2019, 5 a.m. N/A N/A 11.2 ppb (10) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.23 ppb (3) 15.0 μg/m3 (14) 15.2 μg/m3 (57) 57.0
 
March 21, 2019, 4 a.m. N/A N/A 12.0 ppb (11) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.23 ppb (3) 9.0 μg/m3 (8) 9.0 μg/m3 (38) 38.0
 
March 21, 2019, 3 a.m. N/A N/A 13.0 ppb (12) N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.23 ppb (3) 9.0 μg/m3 (8) 9.5 μg/m3 (40) 40.0
 
March 21, 2019, 2 a.m. N/A N/A 14.7 ppb (14) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.26 ppb (3) 12.0 μg/m3 (11) 12.1 μg/m3 (50) 50.0
 
March 21, 2019, 1 a.m. N/A N/A 12.6 ppb (12) N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.24 ppb (3) 12.0 μg/m3 (11) 10.8 μg/m3 (45) 45.0
 
March 21, 2019, midnight N/A N/A 12.4 ppb (11) N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.25 ppb (3) 9.0 μg/m3 (8) 8.1 μg/m3 (34) 34.0
 
March 20, 2019, 11 p.m. N/A N/A 12.2 ppb (11) N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.25 ppb (3) N/A N/A 29.0
 
March 20, 2019, 10 p.m. N/A N/A 14.0 ppb (13) N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.26 ppb (3) 8.0 μg/m3 (7) 8.9 μg/m3 (37) 37.0
 
March 20, 2019, 9 p.m. N/A N/A 12.9 ppb (12) N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.26 ppb (3) 8.0 μg/m3 (7) 6.5 μg/m3 (27) 31.0
 
March 20, 2019, 8 p.m. N/A N/A 12.9 ppb (12) N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.27 ppb (3) 10.0 μg/m3 (9) 7.5 μg/m3 (31) 32.0
 
March 20, 2019, 7 p.m. N/A N/A 15.7 ppb (15) N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.28 ppb (3) 17.0 μg/m3 (15) 10.3 μg/m3 (43) 43.0
 
March 20, 2019, 6 p.m. N/A N/A 14.0 ppb (13) N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.26 ppb (3) 21.0 μg/m3 (19) 9.3 μg/m3 (39) 39.0
 
March 20, 2019, 5 p.m. N/A N/A 10.5 ppb (10) N/A N/A 1.0 ppb (1) 44.0 ppb (34) 0.23 ppb (3) 22.0 μg/m3 (20) 9.7 μg/m3 (40) 40.0
 
March 20, 2019, 4 p.m. N/A N/A 16.6 ppb (15) N/A N/A 1.0 ppb (1) 35.0 ppb (27) 0.27 ppb (3) 43.0 μg/m3 (39) 12.5 μg/m3 (51) 51.0
 
March 20, 2019, 3 p.m. N/A N/A 19.5 ppb (18) N/A N/A 1.0 ppb (1) 29.0 ppb (22) 0.27 ppb (3) N/A N/A 22.0
 
March 20, 2019, 2 p.m. N/A N/A 18.2 ppb (17) N/A N/A 1.0 ppb (1) 30.0 ppb (23) 0.27 ppb (3) N/A N/A 23.0
 
March 20, 2019, 1 p.m. N/A N/A 20.5 ppb (19) N/A N/A 1.0 ppb (1) 27.0 ppb (21) 0.29 ppb (3) N/A 20.3 μg/m3 (68) 68.0
 
March 20, 2019, noon N/A N/A 25.4 ppb (24) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.32 ppb (4) N/A N/A 24.0
 
March 20, 2019, 11 a.m. N/A N/A 21.7 ppb (20) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.31 ppb (3) N/A 12.6 μg/m3 (51) 51.0
 
March 20, 2019, 10 a.m. N/A N/A 17.5 ppb (16) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.26 ppb (3) N/A 13.4 μg/m3 (53) 53.0
 
March 20, 2019, 9 a.m. N/A N/A 18.8 ppb (17) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.25 ppb (3) N/A 13.2 μg/m3 (53) 53.0
 
March 20, 2019, 8 a.m. N/A N/A 15.8 ppb (15) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.25 ppb (3) N/A 15.3 μg/m3 (57) 57.0
 
March 20, 2019, 7 a.m. N/A N/A 17.3 ppb (16) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.24 ppb (3) 16.0 μg/m3 (15) 10.9 μg/m3 (45) 45.0
 
March 20, 2019, 6 a.m. N/A N/A 22.9 ppb (21) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.29 ppb (3) N/A 11.2 μg/m3 (47) 47.0
 
March 20, 2019, 5 a.m. N/A N/A 37.7 ppb (35) N/A N/A 0.0 ppb (0) 0.0 ppb (0) 0.62 ppb (7) N/A 19.6 μg/m3 (66) 66.0
 
March 20, 2019, 4 a.m. N/A N/A 38.4 ppb (36) N/A N/A 0.0 ppb (0) 0.0 ppb (0) 0.76 ppb (8) N/A 18.6 μg/m3 (64) 64.0
 
March 20, 2019, 3 a.m. N/A N/A 42.6 ppb (39) N/A N/A 0.0 ppb (0) 1.0 ppb (1) 0.74 ppb (8) N/A 19.4 μg/m3 (66) 66.0
 
March 20, 2019, 2 a.m. N/A N/A 41.3 ppb (38) N/A N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 19.8 μg/m3 (67) 67.0
 
March 20, 2019, 1 a.m. N/A N/A 35.1 ppb (32) N/A N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 7.6 μg/m3 (32) 32.0
 
March 20, 2019, midnight N/A N/A 14.1 ppb (13) N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 3.6 μg/m3 (15) 25.0
 
March 19, 2019, 11 p.m. N/A N/A 6.7 ppb (6) N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.2 ppb (2) N/A N/A 37.0
 
March 19, 2019, 10 p.m. N/A N/A 5.8 ppb (5) N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.19 ppb (2) N/A 10.7 μg/m3 (45) 45.0
 
March 19, 2019, 9 p.m. N/A N/A 5.2 ppb (5) N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.18 ppb (2) N/A 11.8 μg/m3 (49) 49.0
 
March 19, 2019, 8 p.m. N/A N/A 5.6 ppb (5) N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.18 ppb (2) N/A 12.2 μg/m3 (50) 50.0
 
March 19, 2019, 7 p.m. N/A N/A 5.8 ppb (5) N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.18 ppb (2) N/A 16.3 μg/m3 (59) 59.0
 
March 19, 2019, 6 p.m. N/A N/A 7.9 ppb (7) N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.2 ppb (2) N/A 21.8 μg/m3 (71) 71.0
 
March 19, 2019, 5 p.m. N/A N/A 10.7 ppb (10) N/A N/A 1.0 ppb (1) 45.0 ppb (35) 0.23 ppb (3) N/A 11.1 μg/m3 (46) 46.0