AQSQID: 481410037

Site Name: El Paso Utep C12

Location: El Paso City Limits, TX

Reporting: True, Located: True

Current AQI: 27.0

El Paso City Limits TX, US: 31.768056, -106.501111

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 19, 2019, 4 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) 6.9 μg/m3 (29) 29.0
 
March 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 22.0 μg/m3 (20) 6.5 μg/m3 (27) 27.0
 
March 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 24.0 μg/m3 (22) 6.7 μg/m3 (28) 31.0
 
March 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 18.0 μg/m3 (16) 6.5 μg/m3 (27) 35.0
 
March 19, 2019, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 19.0 μg/m3 (17) 5.3 μg/m3 (22) 35.0
 
March 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 15.0 μg/m3 (14) 3.1 μg/m3 (13) 36.0
 
March 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 15.0 μg/m3 (14) 3.3 μg/m3 (14) 36.0
 
March 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 11.0 μg/m3 (10) 2.3 μg/m3 (10) 36.0
 
March 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 25.0 μg/m3 (23) 4.0 μg/m3 (17) 35.0
 
March 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 26.0 μg/m3 (24) 4.1 μg/m3 (17) 35.0
 
March 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 4.0 μg/m3 (17) 19.0
 
March 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 23.0 μg/m3 (21) 5.1 μg/m3 (21) 34.0
 
March 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 22.0 μg/m3 (20) 5.7 μg/m3 (24) 31.0
 
March 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 23.0 μg/m3 (21) 6.6 μg/m3 (28) 31.0
 
March 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 18.0 μg/m3 (16) 6.1 μg/m3 (25) 32.0
 
March 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 21.0 μg/m3 (19) 6.5 μg/m3 (27) 27.0
 
March 18, 2019, noon N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 19.0 μg/m3 (17) 6.2 μg/m3 (26) 28.0
 
March 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 17.0 μg/m3 (15) 6.1 μg/m3 (25) 30.0
 
March 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 16.0 μg/m3 (15) 5.0 μg/m3 (21) 32.0
 
March 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 15.0 μg/m3 (14) 4.4 μg/m3 (18) 33.0
 
March 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 14.0 μg/m3 (13) 5.2 μg/m3 (22) 33.0
 
March 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 21.0 μg/m3 (19) 6.1 μg/m3 (25) 27.0
 
March 18, 2019, 6 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) 6.2 μg/m3 (26) 28.0
 
March 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 18.0 μg/m3 (16) 6.2 μg/m3 (26) 30.0
 
March 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 14.0 μg/m3 (13) 6.1 μg/m3 (25) 27.0
 
March 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 18.0 μg/m3 (16) 6.3 μg/m3 (26) 27.0
 
March 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 19.0 μg/m3 (17) 7.7 μg/m3 (32) 32.0
 
March 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 21.0 μg/m3 (19) 7.0 μg/m3 (29) 29.0
 
March 18, 2019, midnight N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 17.0 μg/m3 (15) 5.9 μg/m3 (25) 34.0
 
March 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 16.0 μg/m3 (15) 4.5 μg/m3 (19) 35.0
 
March 17, 2019, 10 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) 4.6 μg/m3 (19) 36.0
 
March 17, 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) 4.0 μg/m3 (17) 38.0
 
March 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 17.0 μg/m3 (15) 3.4 μg/m3 (14) 38.0
 
March 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 9.0 μg/m3 (8) 3.2 μg/m3 (13) 38.0
 
March 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 15.0 μg/m3 (14) 3.3 μg/m3 (14) 35.0
 
March 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 16.0 μg/m3 (15) 5.0 μg/m3 (21) 34.0
 
March 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 11.0 μg/m3 (10) 5.7 μg/m3 (24) 32.0
 
March 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 16.0 μg/m3 (15) 6.2 μg/m3 (26) 31.0
 
March 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 21.0 μg/m3 (19) 6.5 μg/m3 (27) 31.0
 
March 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 16.0 μg/m3 (15) 5.7 μg/m3 (24) 31.0
 
March 17, 2019, noon N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 19.0 μg/m3 (17) 6.0 μg/m3 (25) 30.0
 
March 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 14.0 μg/m3 (13) 5.7 μg/m3 (24) 32.0
 
March 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 17.0 μg/m3 (15) 5.2 μg/m3 (22) 32.0
 
March 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 13.0 μg/m3 (12) 4.6 μg/m3 (19) 32.0
 
March 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 13.0 μg/m3 (12) 4.5 μg/m3 (19) 32.0
 
March 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 17.0 μg/m3 (15) 5.7 μg/m3 (24) 31.0
 
March 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 13.0 μg/m3 (12) 4.6 μg/m3 (19) 34.0
 
March 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 16.0 μg/m3 (15) 4.9 μg/m3 (20) 31.0
 
March 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 5.8 μg/m3 (24) 24.0
 
March 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 14.0 μg/m3 (13) 5.6 μg/m3 (23) 32.0
 
March 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 14.0 μg/m3 (13) 6.4 μg/m3 (27) 32.0
 
March 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 12.0 μg/m3 (11) 5.5 μg/m3 (23) 32.0
 
March 17, 2019, midnight N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 14.0 μg/m3 (13) 5.8 μg/m3 (24) 32.0
 
March 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 4.5 μg/m3 (19) 19.0
 
March 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 4.3 μg/m3 (18) 18.0
 
March 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 5.1 μg/m3 (21) 21.0
 
March 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 12.0 μg/m3 (11) 3.6 μg/m3 (15) 32.0
 
March 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 21.0 μg/m3 (19) 6.3 μg/m3 (26) 31.0
 
March 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 19.0 μg/m3 (17) 4.9 μg/m3 (20) 30.0
 
March 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 38.0 μg/m3 (35) 7.1 μg/m3 (30) 35.0
 
March 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 35.0 μg/m3 (32) 6.9 μg/m3 (29) 32.0
 
March 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 14.0 μg/m3 (13) 5.9 μg/m3 (25) 30.0
 
March 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 11.0 μg/m3 (10) 5.5 μg/m3 (23) 32.0
 
March 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 12.0 μg/m3 (11) 5.8 μg/m3 (24) 32.0
 
March 16, 2019, noon N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 15.0 μg/m3 (14) 7.3 μg/m3 (30) 32.0
 
March 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 62.0 μg/m3 (54) 11.2 μg/m3 (47) 54.0
 
March 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 21.0 μg/m3 (19) 5.7 μg/m3 (24) 32.0
 
March 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 18.0 μg/m3 (16) 4.7 μg/m3 (20) 32.0
 
March 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 19.0 μg/m3 (17) 4.6 μg/m3 (19) 32.0
 
March 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 18.0 μg/m3 (16) 5.1 μg/m3 (21) 33.0
 
March 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 18.0 μg/m3 (16) 4.2 μg/m3 (18) 33.0
 
March 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 23.0 μg/m3 (21) 6.2 μg/m3 (26) 30.0
 
March 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 26.0 μg/m3 (24) 7.3 μg/m3 (30) 30.0
 
March 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 29.0 μg/m3 (26) 7.0 μg/m3 (29) 32.0
 
March 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 29.0 μg/m3 (26) 7.9 μg/m3 (33) 33.0
 
March 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 26.0 μg/m3 (24) 6.9 μg/m3 (29) 34.0
 
March 16, 2019, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 28.0 μg/m3 (25) 6.2 μg/m3 (26) 35.0
 
March 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 34.0 μg/m3 (31) 5.2 μg/m3 (22) 35.0
 
March 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 37.0 μg/m3 (34) 5.8 μg/m3 (24) 37.0
 
March 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 33.0 μg/m3 (30) 5.4 μg/m3 (23) 37.0
 
March 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 37.0 μg/m3 (34) 6.7 μg/m3 (28) 35.0
 
March 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 41.0 μg/m3 (37) 4.8 μg/m3 (20) 37.0
 
March 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 53.0 μg/m3 (48) 6.0 μg/m3 (25) 48.0
 
March 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 56.0 μg/m3 (50) 9.1 μg/m3 (38) 50.0
 
March 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 140.0 μg/m3 (92) 13.9 μg/m3 (54) 92.0
 
March 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 143.0 μg/m3 (94) 14.2 μg/m3 (55) 94.0
 
March 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 69.0 μg/m3 (57) 8.0 μg/m3 (33) 57.0
 
March 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 49.0 μg/m3 (45) 8.0 μg/m3 (33) 45.0
 
March 15, 2019, noon N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 48.0 μg/m3 (44) 8.5 μg/m3 (35) 44.0
 
March 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 47.0 μg/m3 (43) 7.6 μg/m3 (32) 43.0
 
March 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 54.0 μg/m3 (49) 8.8 μg/m3 (37) 49.0
 
March 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 102.0 μg/m3 (74) 10.3 μg/m3 (43) 74.0
 
March 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 85.0 μg/m3 (65) 10.9 μg/m3 (45) 65.0
 
March 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 42.0 μg/m3 (38) 7.6 μg/m3 (32) 38.0
 
March 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 30.0 μg/m3 (27) 6.2 μg/m3 (26) 36.0
 
March 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 33.0 μg/m3 (30) 5.5 μg/m3 (23) 38.0
 
March 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 20.0 μg/m3 (18) 4.9 μg/m3 (20) 38.0
 
March 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 45.0 μg/m3 (41) 6.9 μg/m3 (29) 41.0
 
March 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 31.0 μg/m3 (28) 7.1 μg/m3 (30) 41.0
 
March 15, 2019, 1 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) 6.2 μg/m3 (26) 40.0
 
March 15, 2019, midnight N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 13.0 μg/m3 (12) 4.9 μg/m3 (20) 41.0
 
March 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 12.0 μg/m3 (11) 4.3 μg/m3 (18) 41.0
 
March 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 5.0 μg/m3 (21) 40.0
 
March 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 399.0 μg/m3 (263) 20.7 μg/m3 (69) 263.0
 
March 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 210.0 μg/m3 (128) 7.3 μg/m3 (30) 128.0
 
March 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (35) 6.5 μg/m3 (27) 35.0
 
March 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 169.0 μg/m3 (107) 5.8 μg/m3 (24) 107.0
 
March 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (45) 6.3 μg/m3 (26) 45.0
 
March 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 68.0 μg/m3 (56) 6.1 μg/m3 (25) 56.0
 
March 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 6.9 μg/m3 (29) 29.0
 
March 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 5.3 μg/m3 (22) 22.0
 
March 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 18.0 μg/m3 (16) 5.7 μg/m3 (24) 36.0
 
March 14, 2019, noon N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 17.0 μg/m3 (15) 4.5 μg/m3 (19) 38.0
 
March 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 17.0 μg/m3 (15) 5.7 μg/m3 (24) 38.0
 
March 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 17.0 μg/m3 (15) 4.5 μg/m3 (19) 41.0
 
March 14, 2019, 9 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) 4.7 μg/m3 (20) 40.0
 
March 14, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 23.0 μg/m3 (21) 5.8 μg/m3 (24) 40.0
 
March 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 21.0 μg/m3 (19) 5.2 μg/m3 (22) 40.0
 
March 14, 2019, 6 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) 4.6 μg/m3 (19) 38.0
 
March 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 18.0 μg/m3 (16) 6.7 μg/m3 (28) 33.0
 
March 14, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 28.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
March 14, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 36.0 μg/m3 (33) 9.9 μg/m3 (41) 42.0
 
March 14, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 68.0 μg/m3 (56) 12.2 μg/m3 (50) 56.0
 
March 14, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 167.0 μg/m3 (106) 18.2 μg/m3 (63) 106.0
 
March 14, 2019, midnight N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 324.0 μg/m3 (184) 30.3 μg/m3 (89) 184.0
 
March 13, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 400.0 μg/m3 (264) 33.2 μg/m3 (95) 264.0
 
March 13, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 536.0 μg/m3 (431) 42.4 μg/m3 (117) 431.0
 
March 13, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 467.0 μg/m3 (352) 29.2 μg/m3 (87) 352.0
 
March 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 326.0 μg/m3 (186) 17.3 μg/m3 (61) 186.0
 
March 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 161.0 μg/m3 (103) 10.6 μg/m3 (44) 103.0
 
March 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 95.0 μg/m3 (70) 6.8 μg/m3 (28) 70.0
 
March 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 75.0 μg/m3 (60) 5.4 μg/m3 (23) 60.0
 
March 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 118.0 μg/m3 (82) 5.3 μg/m3 (22) 82.0
 
March 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 25.0 μg/m3 (23) 5.2 μg/m3 (22) 36.0
 
March 13, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 15.0 μg/m3 (14) 6.0 μg/m3 (25) 29.0
 
March 13, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 14.0 μg/m3 (13) 5.2 μg/m3 (22) 25.0
 
March 13, 2019, noon N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 11.0 μg/m3 (10) 4.3 μg/m3 (18) 32.0
 
March 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 9.0 μg/m3 (8) 4.1 μg/m3 (17) 32.0
 
March 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 8.0 μg/m3 (7) 4.3 μg/m3 (18) 36.0
 
March 13, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 14.0 μg/m3 (13) 3.8 μg/m3 (16) 35.0
 
March 13, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 17.0 μg/m3 (15) 4.6 μg/m3 (19) 38.0
 
March 13, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 10.0 μg/m3 (9) 3.8 μg/m3 (16) 35.0
 
March 13, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 8.0 μg/m3 (7) 3.5 μg/m3 (15) 35.0
 
March 13, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 10.0 μg/m3 (9) 5.2 μg/m3 (22) 37.0
 
March 13, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 11.0 μg/m3 (10) 4.0 μg/m3 (17) 42.0
 
March 13, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 10.0 μg/m3 (9) 3.3 μg/m3 (14) 40.0
 
March 13, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 13.0 μg/m3 (12) 7.0 μg/m3 (29) 37.0
 
March 13, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 9.0 μg/m3 (8) 5.0 μg/m3 (21) 36.0
 
March 13, 2019, midnight N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 11.0 μg/m3 (10) 6.4 μg/m3 (27) 38.0
 
March 12, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 10.0 μg/m3 (9) 5.0 μg/m3 (21) 37.0
 
March 12, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 11.0 μg/m3 (10) 5.5 μg/m3 (23) 35.0
 
March 12, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 61.0 μg/m3 (53) 10.0 μg/m3 (42) 53.0
 
March 12, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 297.0 μg/m3 (171) 33.2 μg/m3 (95) 171.0
 
March 12, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 279.0 μg/m3 (162) 29.3 μg/m3 (87) 162.0
 
March 12, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 149.0 μg/m3 (97) 12.9 μg/m3 (52) 97.0
 
March 12, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 48.0 μg/m3 (44) 8.2 μg/m3 (34) 44.0
 
March 12, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 42.0 μg/m3 (38) 10.4 μg/m3 (43) 43.0
 
March 12, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 38.0 μg/m3 (35) 12.6 μg/m3 (51) 51.0
 
March 12, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 39.0 μg/m3 (35) 13.7 μg/m3 (54) 54.0
 
March 12, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 41.0 μg/m3 (37) 13.3 μg/m3 (53) 53.0
 
March 12, 2019, noon N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 39.0 μg/m3 (35) 16.0 μg/m3 (59) 59.0
 
March 12, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 34.0 μg/m3 (31) 18.6 μg/m3 (64) 64.0
 
March 12, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 40.0 μg/m3 (36) 32.0 μg/m3 (93) 93.0
 
March 12, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 48.0 μg/m3 (44) 10.9 μg/m3 (45) 45.0
 
March 12, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 25.0 μg/m3 (23) 5.3 μg/m3 (22) 23.0
 
March 12, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 43.0 μg/m3 (39) 5.1 μg/m3 (21) 39.0
 
March 12, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 31.0 μg/m3 (28) 4.9 μg/m3 (20) 28.0
 
March 12, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 33.0 μg/m3 (30) 5.2 μg/m3 (22) 30.0