AQSQID: 400310651

Site Name: Lawton North

Location: Lawton (Nwest Williams Ave), OK

Reporting: True, Located: True

Current AQI: 38.0

Lawton (Nwest Williams Ave) OK, US: 34.632999, -98.428802

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 24, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 11.0 μg/m3 (10) 6.9 μg/m3 (29) 38.0
 
March 24, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 11.0 μg/m3 (10) 7.0 μg/m3 (29) 38.0
 
March 24, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 13.0 μg/m3 (12) 8.8 μg/m3 (37) 38.0
 
March 24, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 17.0 μg/m3 (15) 12.1 μg/m3 (50) 50.0
 
March 24, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 15.0 μg/m3 (14) 11.0 μg/m3 (46) 46.0
 
March 24, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 15.0 μg/m3 (14) 12.2 μg/m3 (50) 50.0
 
March 24, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 20.0 μg/m3 (18) 15.7 μg/m3 (58) 58.0
 
March 24, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 11.0 μg/m3 (10) 8.7 μg/m3 (36) 36.0
 
March 24, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 10.0 μg/m3 (9) 6.9 μg/m3 (29) 29.0
 
March 24, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 12.0 μg/m3 (11) 7.6 μg/m3 (32) 32.0
 
March 24, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 10.0 μg/m3 (9) 7.7 μg/m3 (32) 32.0
 
March 24, 2019, noon N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 11.0 μg/m3 (10) 7.5 μg/m3 (31) 31.0
 
March 24, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 18.0 μg/m3 (16) 11.4 μg/m3 (48) 48.0
 
March 24, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 47.0 μg/m3 (43) 26.5 μg/m3 (81) 81.0
 
March 24, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 47.0 μg/m3 (43) 27.3 μg/m3 (83) 83.0
 
March 24, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 18.0 μg/m3 (16) 11.6 μg/m3 (48) 48.0
 
March 24, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 15.0 μg/m3 (14) 9.8 μg/m3 (41) 41.0
 
March 24, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 14.0 μg/m3 (13) 9.2 μg/m3 (38) 38.0
 
March 24, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 14.0 μg/m3 (13) 8.9 μg/m3 (37) 37.0
 
March 24, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 14.0 μg/m3 (13) 8.4 μg/m3 (35) 35.0
 
March 24, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 12.0 μg/m3 (11) 6.7 μg/m3 (28) 28.0
 
March 24, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 11.0 μg/m3 (10) 5.7 μg/m3 (24) 26.0
 
March 24, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 9.0 μg/m3 (8) 4.7 μg/m3 (20) 31.0
 
March 24, 2019, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 10.0 μg/m3 (9) 5.3 μg/m3 (22) 35.0
 
March 23, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 9.0 μg/m3 (8) 4.9 μg/m3 (20) 38.0
 
March 23, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 10.0 μg/m3 (9) 5.3 μg/m3 (22) 40.0
 
March 23, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 9.0 μg/m3 (8) 5.3 μg/m3 (22) 39.0
 
March 23, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 10.0 μg/m3 (9) 5.7 μg/m3 (24) 40.0
 
March 23, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 12.0 μg/m3 (11) 7.7 μg/m3 (32) 38.0
 
March 23, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 15.0 μg/m3 (14) 9.7 μg/m3 (40) 40.0
 
March 23, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 16.0 μg/m3 (15) 10.4 μg/m3 (43) 43.0
 
March 23, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 17.0 μg/m3 (15) 10.4 μg/m3 (43) 43.0
 
March 23, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 17.0 μg/m3 (15) 12.4 μg/m3 (51) 51.0
 
March 23, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 18.0 μg/m3 (16) 14.3 μg/m3 (55) 55.0
 
March 23, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 19.0 μg/m3 (17) 15.3 μg/m3 (57) 57.0
 
March 23, 2019, noon N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 19.0 μg/m3 (17) 14.4 μg/m3 (55) 55.0
 
March 23, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 15.0 μg/m3 (14) 11.3 μg/m3 (47) 47.0
 
March 23, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 12.0 μg/m3 (11) 8.8 μg/m3 (37) 37.0
 
March 23, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 12.0 μg/m3 (11) 6.8 μg/m3 (28) 38.0
 
March 23, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 17.0 μg/m3 (15) 6.5 μg/m3 (27) 40.0
 
March 23, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 18.0 μg/m3 (16) 8.8 μg/m3 (37) 38.0
 
March 23, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 18.0 μg/m3 (16) 8.8 μg/m3 (37) 40.0
 
March 23, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 20.0 μg/m3 (18) 9.5 μg/m3 (40) 43.0
 
March 23, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A 22.0 μg/m3 (20) 10.5 μg/m3 (44) 47.0
 
March 23, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) N/A 24.0 μg/m3 (22) 11.8 μg/m3 (49) 49.0
 
March 23, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) N/A 26.0 μg/m3 (24) 13.6 μg/m3 (53) 53.0
 
March 23, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) N/A 24.0 μg/m3 (22) 13.3 μg/m3 (53) 53.0
 
March 23, 2019, midnight N/A N/A N/A N/A N/A N/A 66.0 ppb (51) N/A 25.0 μg/m3 (23) 13.0 μg/m3 (52) 52.0
 
March 22, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) N/A 21.0 μg/m3 (19) 9.9 μg/m3 (41) 49.0
 
March 22, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) N/A 20.0 μg/m3 (18) 9.9 μg/m3 (41) 49.0
 
March 22, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A 21.0 μg/m3 (19) 10.2 μg/m3 (42) 48.0
 
March 22, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A 20.0 μg/m3 (18) 11.5 μg/m3 (48) 48.0
 
March 22, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A 22.0 μg/m3 (20) 12.9 μg/m3 (52) 52.0
 
March 22, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A 22.0 μg/m3 (20) 13.3 μg/m3 (53) 53.0
 
March 22, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 24.0 μg/m3 (22) 14.8 μg/m3 (56) 56.0
 
March 22, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 25.0 μg/m3 (23) 16.5 μg/m3 (60) 60.0
 
March 22, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 28.0 μg/m3 (25) 18.8 μg/m3 (64) 64.0
 
March 22, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 38.0 μg/m3 (35) 25.9 μg/m3 (80) 80.0
 
March 22, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 34.0 μg/m3 (31) 22.1 μg/m3 (71) 71.0
 
March 22, 2019, noon N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 26.0 μg/m3 (24) 14.2 μg/m3 (55) 55.0
 
March 22, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 20.0 μg/m3 (18) 10.2 μg/m3 (42) 42.0
 
March 22, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 22.0 μg/m3 (20) 9.9 μg/m3 (41) 41.0
 
March 22, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 28.0 μg/m3 (25) 10.5 μg/m3 (44) 44.0
 
March 22, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 26.0 μg/m3 (24) 10.3 μg/m3 (43) 43.0
 
March 22, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 25.0 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
March 22, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 27.0 μg/m3 (25) 11.3 μg/m3 (47) 47.0
 
March 22, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 29.0 μg/m3 (26) 12.3 μg/m3 (51) 51.0
 
March 22, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 32.0 μg/m3 (29) 13.7 μg/m3 (54) 54.0
 
March 22, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 29.0 μg/m3 (26) 9.5 μg/m3 (40) 40.0
 
March 22, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 28.0 μg/m3 (25) 7.8 μg/m3 (32) 33.0
 
March 22, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 20.0 μg/m3 (18) 6.3 μg/m3 (26) 35.0
 
March 22, 2019, midnight N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 18.0 μg/m3 (16) 7.2 μg/m3 (30) 38.0
 
March 21, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A 25.0 μg/m3 (23) 15.5 μg/m3 (57) 57.0
 
March 21, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A 24.0 μg/m3 (22) 13.9 μg/m3 (54) 54.0
 
March 21, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A 14.0 μg/m3 (13) 5.3 μg/m3 (22) 44.0
 
March 21, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 15.0 μg/m3 (14) 4.9 μg/m3 (20) 43.0
 
March 21, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 17.0 μg/m3 (15) 5.2 μg/m3 (22) 43.0
 
March 21, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 17.0 μg/m3 (15) 5.9 μg/m3 (25) 41.0
 
March 21, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 13.0 μg/m3 (12) 6.0 μg/m3 (25) 36.0
 
March 21, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 15.0 μg/m3 (14) 6.5 μg/m3 (27) 31.0
 
March 21, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 19.0 μg/m3 (17) 6.2 μg/m3 (26) 27.0
 
March 21, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 21.0 μg/m3 (19) 5.2 μg/m3 (22) 28.0
 
March 21, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 24.0 μg/m3 (22) 7.4 μg/m3 (31) 31.0
 
March 21, 2019, noon N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 16.0 μg/m3 (15) 6.8 μg/m3 (28) 28.0
 
March 21, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 10.0 μg/m3 (9) 5.8 μg/m3 (24) 24.0
 
March 21, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 9.0 μg/m3 (8) 5.0 μg/m3 (21) 33.0
 
March 21, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 9.0 μg/m3 (8) 5.9 μg/m3 (25) 32.0
 
March 21, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 10.0 μg/m3 (9) 5.7 μg/m3 (24) 31.0
 
March 21, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 10.0 μg/m3 (9) 4.9 μg/m3 (20) 30.0
 
March 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 11.0 μg/m3 (10) 5.3 μg/m3 (22) 25.0
 
March 21, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 12.0 μg/m3 (11) 6.5 μg/m3 (27) 27.0
 
March 21, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 10.0 μg/m3 (9) 5.5 μg/m3 (23) 25.0
 
March 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 13.0 μg/m3 (12) 5.2 μg/m3 (22) 22.0
 
March 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 12.0 μg/m3 (11) 5.6 μg/m3 (23) 23.0
 
March 21, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 9.0 μg/m3 (8) 4.3 μg/m3 (18) 29.0
 
March 21, 2019, midnight N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 8.0 μg/m3 (7) 3.9 μg/m3 (16) 40.0
 
March 20, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 8.0 μg/m3 (7) 3.7 μg/m3 (15) 42.0
 
March 20, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 7.0 μg/m3 (6) 3.9 μg/m3 (16) 42.0
 
March 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 8.0 μg/m3 (7) 4.0 μg/m3 (17) 43.0
 
March 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 9.0 μg/m3 (8) 5.1 μg/m3 (21) 41.0
 
March 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 10.0 μg/m3 (9) 6.8 μg/m3 (28) 39.0
 
March 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 14.0 μg/m3 (13) 9.7 μg/m3 (40) 40.0
 
March 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 17.0 μg/m3 (15) 12.0 μg/m3 (50) 50.0
 
March 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 22.0 μg/m3 (20) 14.4 μg/m3 (55) 55.0
 
March 20, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 19.0 μg/m3 (17) 12.4 μg/m3 (51) 51.0
 
March 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 22.0 μg/m3 (20) 13.1 μg/m3 (52) 52.0
 
March 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 18.0 μg/m3 (16) 12.7 μg/m3 (51) 51.0
 
March 20, 2019, noon N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 17.0 μg/m3 (15) 12.2 μg/m3 (50) 50.0
 
March 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 16.0 μg/m3 (15) 12.1 μg/m3 (50) 50.0
 
March 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 17.0 μg/m3 (15) 10.6 μg/m3 (44) 44.0
 
March 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 17.0 μg/m3 (15) 12.8 μg/m3 (52) 52.0
 
March 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 20.0 μg/m3 (18) 14.0 μg/m3 (54) 54.0
 
March 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 28.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
March 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 45.0 μg/m3 (41) 10.7 μg/m3 (45) 45.0
 
March 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 29.0 μg/m3 (26) 9.5 μg/m3 (40) 40.0
 
March 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 20.0 μg/m3 (18) 7.5 μg/m3 (31) 31.0
 
March 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 24.0 μg/m3 (22) 9.9 μg/m3 (41) 41.0
 
March 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 20.0 μg/m3 (18) 9.4 μg/m3 (39) 39.0
 
March 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 27.0 μg/m3 (25) 9.2 μg/m3 (38) 38.0
 
March 20, 2019, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 16.0 μg/m3 (15) 8.1 μg/m3 (34) 36.0
 
March 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 14.0 μg/m3 (13) 7.4 μg/m3 (31) 40.0
 
March 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 13.0 μg/m3 (12) 7.4 μg/m3 (31) 42.0
 
March 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 14.0 μg/m3 (13) 7.8 μg/m3 (32) 42.0
 
March 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 15.0 μg/m3 (14) 8.8 μg/m3 (37) 43.0
 
March 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 17.0 μg/m3 (15) 9.3 μg/m3 (39) 42.0
 
March 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 7.9 μg/m3 (33) 33.0
 
March 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 15.0 μg/m3 (14) 7.3 μg/m3 (30) 41.0
 
March 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 18.0 μg/m3 (16) 8.6 μg/m3 (36) 36.0
 
March 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 27.0 μg/m3 (25) 11.4 μg/m3 (48) 48.0
 
March 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 26.0 μg/m3 (24) 15.6 μg/m3 (58) 58.0
 
March 19, 2019, noon N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 24.0 μg/m3 (22) 15.4 μg/m3 (57) 57.0
 
March 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 24.0 μg/m3 (22) 16.0 μg/m3 (59) 59.0
 
March 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 25.0 μg/m3 (23) 17.7 μg/m3 (62) 62.0
 
March 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 27.0 μg/m3 (25) 19.1 μg/m3 (65) 65.0
 
March 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 29.0 μg/m3 (26) 19.2 μg/m3 (65) 65.0
 
March 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 27.0 μg/m3 (25) 18.0 μg/m3 (63) 63.0
 
March 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 24.0 μg/m3 (22) 15.1 μg/m3 (57) 57.0
 
March 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 19.0 μg/m3 (17) 10.5 μg/m3 (44) 44.0
 
March 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 20.0 μg/m3 (18) 9.9 μg/m3 (41) 41.0
 
March 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 30.0 μg/m3 (27) 16.7 μg/m3 (60) 60.0
 
March 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 20.0 μg/m3 (18) 9.7 μg/m3 (40) 40.0
 
March 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 15.0 μg/m3 (14) 6.8 μg/m3 (28) 28.0
 
March 19, 2019, midnight N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 13.0 μg/m3 (12) 5.9 μg/m3 (25) 43.0
 
March 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A 12.0 μg/m3 (11) 6.4 μg/m3 (27) 46.0
 
March 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A 14.0 μg/m3 (13) 7.4 μg/m3 (31) 48.0
 
March 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A 14.0 μg/m3 (13) 7.6 μg/m3 (32) 48.0
 
March 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A 13.0 μg/m3 (12) 7.0 μg/m3 (29) 48.0
 
March 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A 15.0 μg/m3 (14) 7.8 μg/m3 (32) 48.0
 
March 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A 16.0 μg/m3 (15) 7.8 μg/m3 (32) 47.0
 
March 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A 13.0 μg/m3 (12) 6.4 μg/m3 (27) 47.0
 
March 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A 12.0 μg/m3 (11) 6.9 μg/m3 (29) 45.0
 
March 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 21.0 μg/m3 (19) 8.9 μg/m3 (37) 37.0
 
March 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 34.0 μg/m3 (31) 12.7 μg/m3 (51) 51.0
 
March 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 25.0 μg/m3 (23) 12.6 μg/m3 (51) 51.0
 
March 18, 2019, noon N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 18.0 μg/m3 (16) 11.4 μg/m3 (48) 48.0
 
March 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 16.0 μg/m3 (15) 10.4 μg/m3 (43) 43.0
 
March 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 12.0 μg/m3 (11) 8.0 μg/m3 (33) 33.0
 
March 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 13.0 μg/m3 (12) 7.8 μg/m3 (32) 32.0
 
March 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 15.0 μg/m3 (14) 8.4 μg/m3 (35) 35.0
 
March 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 18.0 μg/m3 (16) 10.6 μg/m3 (44) 44.0
 
March 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 18.0 μg/m3 (16) 10.9 μg/m3 (45) 45.0
 
March 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 19.0 μg/m3 (17) 9.9 μg/m3 (41) 41.0
 
March 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 20.0 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
March 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 24.0 μg/m3 (22) 11.5 μg/m3 (48) 48.0
 
March 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 25.0 μg/m3 (23) 10.6 μg/m3 (44) 44.0
 
March 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 18.0 μg/m3 (16) 8.2 μg/m3 (34) 34.0
 
March 18, 2019, midnight N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 12.0 μg/m3 (11) 6.1 μg/m3 (25) 41.0