AQSQID: 320030075

Site Name: Joe Neal

Location: Las Vegas (Azure Dr), NV

Reporting: True, Located: True

Current AQI: 29.0

Las Vegas (Azure Dr) NV, US: 36.2725, -115.2383

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 23, 2019, 8 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 38.0 ppb (29) N/A 9.0 μg/m3 (8) 2.9 μg/m3 (12) 29.0
 
May 23, 2019, 7 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 36.0 ppb (28) N/A 9.0 μg/m3 (8) 2.6 μg/m3 (11) 28.0
 
May 23, 2019, 6 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 41.0 ppb (32) N/A 10.0 μg/m3 (9) 2.3 μg/m3 (10) 32.0
 
May 23, 2019, 5 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 48.0 ppb (37) N/A 5.0 μg/m3 (5) 1.6 μg/m3 (7) 37.0
 
May 23, 2019, 4 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 51.0 ppb (39) N/A 5.0 μg/m3 (5) 1.7 μg/m3 (7) 39.0
 
May 23, 2019, 3 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 51.0 ppb (39) N/A 7.0 μg/m3 (6) 1.7 μg/m3 (7) 39.0
 
May 23, 2019, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A 4.0 μg/m3 (4) 1.5 μg/m3 (6) 40.0
 
May 23, 2019, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 51.0 ppb (39) N/A 8.0 μg/m3 (7) 1.5 μg/m3 (6) 39.0
 
May 23, 2019, midnight N/A N/A N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) N/A 12.0 μg/m3 (11) 2.3 μg/m3 (10) 39.0
 
May 22, 2019, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 53.0 ppb (41) N/A 8.0 μg/m3 (7) 1.8 μg/m3 (8) 41.0
 
May 22, 2019, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A 13.0 μg/m3 (12) 2.0 μg/m3 (8) 38.0
 
May 22, 2019, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 50.0 ppb (38) N/A 12.0 μg/m3 (11) 2.2 μg/m3 (9) 38.0
 
May 22, 2019, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 50.0 ppb (38) N/A 9.0 μg/m3 (8) 2.5 μg/m3 (10) 38.0
 
May 22, 2019, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A 13.0 μg/m3 (12) 3.3 μg/m3 (14) 38.0
 
May 22, 2019, 6 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 51.0 ppb (39) N/A 5.0 μg/m3 (5) 1.3 μg/m3 (5) 39.0
 
May 22, 2019, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 52.0 ppb (40) N/A 9.0 μg/m3 (8) 2.4 μg/m3 (10) 40.0
 
May 22, 2019, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A 7.0 μg/m3 (6) 2.1 μg/m3 (9) 38.0
 
May 22, 2019, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 45.0 ppb (35) N/A 9.0 μg/m3 (8) 2.2 μg/m3 (9) 35.0
 
May 22, 2019, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 37.0 ppb (28) N/A 12.0 μg/m3 (11) 2.5 μg/m3 (10) 28.0
 
May 22, 2019, 1 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 31.0 ppb (24) N/A 16.0 μg/m3 (15) 3.7 μg/m3 (15) 24.0
 
May 22, 2019, noon N/A N/A N/A 10.0 ppb (9) N/A N/A 25.0 ppb (19) N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 19.0
 
May 22, 2019, 11 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 34.0 ppb (26) N/A 15.0 μg/m3 (14) 3.6 μg/m3 (15) 26.0
 
May 22, 2019, 10 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 42.0 ppb (32) N/A 14.0 μg/m3 (13) 3.5 μg/m3 (15) 32.0
 
May 22, 2019, 9 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 49.0 ppb (38) N/A 8.0 μg/m3 (7) 2.5 μg/m3 (10) 38.0
 
May 22, 2019, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 54.0 ppb (42) N/A 7.0 μg/m3 (6) 2.3 μg/m3 (10) 42.0
 
May 22, 2019, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 55.0 ppb (42) N/A 8.0 μg/m3 (7) 2.3 μg/m3 (10) 42.0
 
May 22, 2019, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 53.0 ppb (41) N/A 8.0 μg/m3 (7) 2.2 μg/m3 (9) 41.0
 
May 22, 2019, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 55.0 ppb (42) N/A 8.0 μg/m3 (7) 2.0 μg/m3 (8) 42.0
 
May 22, 2019, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 56.0 ppb (43) N/A 8.0 μg/m3 (7) 2.1 μg/m3 (9) 43.0
 
May 22, 2019, 3 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 57.0 ppb (44) N/A 11.0 μg/m3 (10) 2.4 μg/m3 (10) 44.0
 
May 22, 2019, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 58.0 ppb (45) N/A 14.0 μg/m3 (13) 3.0 μg/m3 (12) 45.0
 
May 22, 2019, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 57.0 ppb (44) N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 44.0
 
May 22, 2019, midnight N/A N/A N/A 1.0 ppb (1) N/A N/A 57.0 ppb (44) N/A 27.0 μg/m3 (25) 3.8 μg/m3 (16) 44.0
 
May 21, 2019, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 57.0 ppb (44) N/A 23.0 μg/m3 (21) 4.3 μg/m3 (18) 44.0
 
May 21, 2019, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 56.0 ppb (43) N/A 22.0 μg/m3 (20) 4.1 μg/m3 (17) 43.0
 
May 21, 2019, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 54.0 ppb (42) N/A 23.0 μg/m3 (21) 3.8 μg/m3 (16) 42.0
 
May 21, 2019, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 55.0 ppb (42) N/A 15.0 μg/m3 (14) 3.2 μg/m3 (13) 42.0
 
May 21, 2019, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 56.0 ppb (43) N/A 13.0 μg/m3 (12) 3.9 μg/m3 (16) 43.0
 
May 21, 2019, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 54.0 ppb (42) N/A 17.0 μg/m3 (15) 4.2 μg/m3 (18) 42.0
 
May 21, 2019, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 50.0 ppb (38) N/A 17.0 μg/m3 (15) 4.6 μg/m3 (19) 38.0
 
May 21, 2019, 4 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 47.0 ppb (36) N/A 19.0 μg/m3 (17) 3.8 μg/m3 (16) 36.0
 
May 21, 2019, 3 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 43.0 ppb (33) N/A 19.0 μg/m3 (17) 3.7 μg/m3 (15) 33.0
 
May 21, 2019, 2 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 41.0 ppb (32) N/A 17.0 μg/m3 (15) 3.4 μg/m3 (14) 32.0
 
May 21, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 18.0 μg/m3 (16) 3.5 μg/m3 (15) 30.0
 
May 21, 2019, noon N/A N/A N/A 5.0 ppb (5) N/A N/A 42.0 ppb (32) N/A 16.0 μg/m3 (15) 3.3 μg/m3 (14) 32.0
 
May 21, 2019, 11 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 44.0 ppb (34) N/A 14.0 μg/m3 (13) 3.4 μg/m3 (14) 34.0
 
May 21, 2019, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 43.0 ppb (33) N/A 16.0 μg/m3 (15) 3.9 μg/m3 (16) 33.0
 
May 21, 2019, 9 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) N/A 22.0 μg/m3 (20) 4.5 μg/m3 (19) 32.0
 
May 21, 2019, 8 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A N/A 20.0 μg/m3 (18) 3.8 μg/m3 (16) 18.0
 
May 21, 2019, 7 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) N/A 20.0 μg/m3 (18) 3.6 μg/m3 (15) 30.0
 
May 21, 2019, 6 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 29.0 ppb (22) N/A 20.0 μg/m3 (18) 3.9 μg/m3 (16) 22.0
 
May 21, 2019, 5 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 45.0 ppb (35) N/A 12.0 μg/m3 (11) 2.6 μg/m3 (11) 35.0
 
May 21, 2019, 4 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 35.0 ppb (27) N/A 16.0 μg/m3 (15) 3.2 μg/m3 (13) 27.0
 
May 21, 2019, 3 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) N/A 13.0 μg/m3 (12) 2.3 μg/m3 (10) 30.0
 
May 21, 2019, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) N/A 16.0 μg/m3 (15) 2.1 μg/m3 (9) 32.0
 
May 21, 2019, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) N/A 10.0 μg/m3 (9) 1.5 μg/m3 (6) 35.0
 
May 21, 2019, midnight N/A N/A N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A 4.0 μg/m3 (4) 1.2 μg/m3 (5) 35.0
 
May 20, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 7.0 μg/m3 (6) 1.2 μg/m3 (5) 35.0
 
May 20, 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) 1.5 μg/m3 (6) 35.0
 
May 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 11.0 μg/m3 (10) 1.4 μg/m3 (6) 34.0
 
May 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 7.0 μg/m3 (6) 1.2 μg/m3 (5) 35.0
 
May 20, 2019, 7 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) 1.3 μg/m3 (5) 35.0
 
May 20, 2019, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) N/A 11.0 μg/m3 (10) 1.1 μg/m3 (5) 35.0
 
May 20, 2019, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A N/A N/A N/A 2.0
 
May 20, 2019, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A 13.0 μg/m3 (12) 1.4 μg/m3 (6) 38.0
 
May 20, 2019, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A 9.0 μg/m3 (8) 1.1 μg/m3 (5) 38.0
 
May 20, 2019, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) N/A 17.0 μg/m3 (15) 1.4 μg/m3 (6) 39.0
 
May 20, 2019, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 52.0 ppb (40) N/A 11.0 μg/m3 (10) 1.4 μg/m3 (6) 40.0
 
May 20, 2019, noon N/A N/A N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A 17.0 μg/m3 (15) 2.0 μg/m3 (8) 40.0
 
May 20, 2019, 11 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 53.0 ppb (41) N/A 9.0 μg/m3 (8) 1.7 μg/m3 (7) 41.0
 
May 20, 2019, 10 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A 11.0 μg/m3 (10) 1.6 μg/m3 (7) 40.0
 
May 20, 2019, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A 7.0 μg/m3 (6) 1.4 μg/m3 (6) 40.0
 
May 20, 2019, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A 13.0 μg/m3 (12) 1.4 μg/m3 (6) 40.0
 
May 20, 2019, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A 12.0 μg/m3 (11) 1.6 μg/m3 (7) 38.0
 
May 20, 2019, 6 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A 8.0 μg/m3 (7) 1.7 μg/m3 (7) 38.0
 
May 20, 2019, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A 22.0 μg/m3 (20) 4.1 μg/m3 (17) 38.0
 
May 20, 2019, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) N/A 37.0 μg/m3 (34) 5.9 μg/m3 (25) 39.0
 
May 20, 2019, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A 18.0 μg/m3 (16) 3.8 μg/m3 (16) 38.0
 
May 20, 2019, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A 17.0 μg/m3 (15) 3.1 μg/m3 (13) 38.0
 
May 20, 2019, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A 15.0 μg/m3 (14) 2.8 μg/m3 (12) 38.0
 
May 20, 2019, midnight N/A N/A N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) N/A 20.0 μg/m3 (18) 3.0 μg/m3 (12) 39.0
 
May 19, 2019, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A 15.0 μg/m3 (14) 3.0 μg/m3 (12) 38.0
 
May 19, 2019, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A 13.0 μg/m3 (12) 2.5 μg/m3 (10) 38.0
 
May 19, 2019, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A 15.0 μg/m3 (14) 3.0 μg/m3 (12) 38.0
 
May 19, 2019, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A 17.0 μg/m3 (15) 3.1 μg/m3 (13) 38.0
 
May 19, 2019, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A 14.0 μg/m3 (13) 2.5 μg/m3 (10) 38.0
 
May 19, 2019, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) N/A 17.0 μg/m3 (15) 2.6 μg/m3 (11) 39.0
 
May 19, 2019, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A 30.0 μg/m3 (27) 3.2 μg/m3 (13) 38.0
 
May 19, 2019, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 48.0 ppb (37) N/A 26.0 μg/m3 (24) 2.7 μg/m3 (11) 37.0
 
May 19, 2019, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A 29.0 μg/m3 (26) 2.5 μg/m3 (10) 35.0
 
May 19, 2019, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 44.0 ppb (34) N/A 8.0 μg/m3 (7) 1.2 μg/m3 (5) 34.0
 
May 19, 2019, 1 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 31.0
 
May 19, 2019, noon N/A N/A N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) N/A 10.0 μg/m3 (9) 3.2 μg/m3 (13) 31.0
 
May 19, 2019, 11 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) N/A 10.0 μg/m3 (9) 2.9 μg/m3 (12) 30.0
 
May 19, 2019, 10 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) N/A 12.0 μg/m3 (11) 2.4 μg/m3 (10) 28.0
 
May 19, 2019, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) N/A 8.0 μg/m3 (7) 1.7 μg/m3 (7) 28.0
 
May 19, 2019, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) N/A 19.0 μg/m3 (17) 2.3 μg/m3 (10) 30.0
 
May 19, 2019, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) N/A 33.0 μg/m3 (30) 4.7 μg/m3 (20) 35.0
 
May 19, 2019, 6 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 55.0 ppb (42) N/A 23.0 μg/m3 (21) 5.6 μg/m3 (23) 42.0
 
May 19, 2019, 5 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 59.0 ppb (45) N/A 23.0 μg/m3 (21) 5.2 μg/m3 (22) 45.0
 
May 19, 2019, 4 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 54.0 ppb (42) N/A 23.0 μg/m3 (21) 4.0 μg/m3 (17) 42.0
 
May 19, 2019, 3 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 53.0 ppb (41) N/A 12.0 μg/m3 (11) 3.3 μg/m3 (14) 41.0
 
May 19, 2019, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 57.0 ppb (44) N/A 14.0 μg/m3 (13) 3.4 μg/m3 (14) 44.0
 
May 19, 2019, 1 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 54.0 ppb (42) N/A 10.0 μg/m3 (9) 2.9 μg/m3 (12) 42.0
 
May 19, 2019, midnight N/A N/A N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 40.0
 
May 18, 2019, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A 26.0 μg/m3 (24) 3.4 μg/m3 (14) 40.0
 
May 18, 2019, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 54.0 ppb (42) N/A 15.0 μg/m3 (14) 2.6 μg/m3 (11) 42.0
 
May 18, 2019, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 56.0 ppb (43) N/A 12.0 μg/m3 (11) 2.3 μg/m3 (10) 43.0
 
May 18, 2019, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 55.0 ppb (42) N/A 12.0 μg/m3 (11) 2.7 μg/m3 (11) 42.0
 
May 18, 2019, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 52.0 ppb (40) N/A 11.0 μg/m3 (10) 2.6 μg/m3 (11) 40.0
 
May 18, 2019, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 47.0 ppb (36) N/A 11.0 μg/m3 (10) 2.5 μg/m3 (10) 36.0
 
May 18, 2019, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 43.0 ppb (33) N/A 11.0 μg/m3 (10) 2.4 μg/m3 (10) 33.0
 
May 18, 2019, 4 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 38.0 ppb (29) N/A 12.0 μg/m3 (11) 2.7 μg/m3 (11) 29.0
 
May 18, 2019, 3 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 35.0 ppb (27) N/A 8.0 μg/m3 (7) 1.5 μg/m3 (6) 27.0
 
May 18, 2019, 2 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 30.0 ppb (23) N/A 11.0 μg/m3 (10) 2.1 μg/m3 (9) 23.0
 
May 18, 2019, 1 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 18.0 ppb (14) N/A 22.0 μg/m3 (20) 4.3 μg/m3 (18) 20.0
 
May 18, 2019, noon N/A N/A N/A 11.0 ppb (10) N/A N/A 17.0 ppb (13) N/A 19.0 μg/m3 (17) 4.1 μg/m3 (17) 17.0
 
May 18, 2019, 11 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 16.0 ppb (12) N/A 18.0 μg/m3 (16) 4.3 μg/m3 (18) 18.0
 
May 18, 2019, 10 a.m. N/A N/A N/A 15.0 ppb (14) N/A N/A 14.0 ppb (11) N/A 22.0 μg/m3 (20) 5.5 μg/m3 (23) 23.0
 
May 18, 2019, 9 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 21.0 ppb (16) N/A 21.0 μg/m3 (19) 4.6 μg/m3 (19) 19.0
 
May 18, 2019, 8 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 26.0 ppb (20) N/A 16.0 μg/m3 (15) 4.2 μg/m3 (18) 20.0
 
May 18, 2019, 7 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 29.0 ppb (22) N/A 16.0 μg/m3 (15) 4.5 μg/m3 (19) 22.0
 
May 18, 2019, 6 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 35.0 ppb (27) N/A 13.0 μg/m3 (12) 3.9 μg/m3 (16) 27.0
 
May 18, 2019, 5 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 42.0 ppb (32) N/A 13.0 μg/m3 (12) 3.4 μg/m3 (14) 32.0
 
May 18, 2019, 4 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 41.0 ppb (32) N/A 11.0 μg/m3 (10) 2.9 μg/m3 (12) 32.0
 
May 18, 2019, 3 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 38.0 ppb (29) N/A 13.0 μg/m3 (12) 3.5 μg/m3 (15) 29.0
 
May 18, 2019, 2 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 44.0 ppb (34) N/A 6.0 μg/m3 (5) 1.8 μg/m3 (8) 34.0
 
May 18, 2019, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A 6.0 μg/m3 (5) 1.3 μg/m3 (5) 35.0
 
May 18, 2019, midnight N/A N/A N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) N/A 8.0 μg/m3 (7) 1.9 μg/m3 (8) 36.0
 
May 17, 2019, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 48.0 ppb (37) N/A 9.0 μg/m3 (8) 2.1 μg/m3 (9) 37.0
 
May 17, 2019, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 48.0 ppb (37) N/A 11.0 μg/m3 (10) 2.5 μg/m3 (10) 37.0
 
May 17, 2019, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 38.0
 
May 17, 2019, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A 11.0 μg/m3 (10) 3.1 μg/m3 (13) 38.0
 
May 17, 2019, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 49.0 ppb (38) N/A 14.0 μg/m3 (13) 3.4 μg/m3 (14) 38.0
 
May 17, 2019, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A 18.0 μg/m3 (16) 3.8 μg/m3 (16) 38.0
 
May 17, 2019, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A 19.0 μg/m3 (17) 3.7 μg/m3 (15) 38.0
 
May 17, 2019, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A 15.0 μg/m3 (14) 3.6 μg/m3 (15) 38.0
 
May 17, 2019, 3 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 46.0 ppb (35) N/A 18.0 μg/m3 (16) 4.2 μg/m3 (18) 35.0
 
May 17, 2019, 2 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 43.0 ppb (33) N/A 20.0 μg/m3 (18) 4.2 μg/m3 (18) 33.0
 
May 17, 2019, 1 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 45.0 ppb (35) N/A 18.0 μg/m3 (16) 4.2 μg/m3 (18) 35.0
 
May 17, 2019, noon N/A N/A N/A 4.0 ppb (4) N/A N/A 48.0 ppb (37) N/A 14.0 μg/m3 (13) 3.9 μg/m3 (16) 37.0
 
May 17, 2019, 11 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) N/A 17.0 μg/m3 (15) 4.2 μg/m3 (18) 39.0
 
May 17, 2019, 10 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 39.0
 
May 17, 2019, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A 22.0 μg/m3 (20) 4.3 μg/m3 (18) 38.0
 
May 17, 2019, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) N/A 20.0 μg/m3 (18) 4.1 μg/m3 (17) 35.0
 
May 17, 2019, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A 16.0 μg/m3 (15) 3.6 μg/m3 (15) 38.0
 
May 17, 2019, 6 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A 15.0 μg/m3 (14) 3.4 μg/m3 (14) 40.0
 
May 17, 2019, 5 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 51.0 ppb (39) N/A 29.0 μg/m3 (26) 5.0 μg/m3 (21) 39.0
 
May 17, 2019, 4 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 47.0 ppb (36) N/A 43.0 μg/m3 (39) 6.3 μg/m3 (26) 39.0
 
May 17, 2019, 3 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 55.0 ppb (42) N/A 27.0 μg/m3 (25) 5.0 μg/m3 (21) 42.0
 
May 17, 2019, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 59.0 ppb (45) N/A 71.0 μg/m3 (58) 8.1 μg/m3 (34) 58.0
 
May 17, 2019, 1 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 59.0 ppb (45) N/A 57.0 μg/m3 (51) 7.6 μg/m3 (32) 51.0
 
May 17, 2019, midnight N/A N/A N/A 2.0 ppb (2) N/A N/A 57.0 ppb (44) N/A 29.0 μg/m3 (26) 4.4 μg/m3 (18) 44.0
 
May 16, 2019, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A 19.0 μg/m3 (17) 3.4 μg/m3 (14) 38.0
 
May 16, 2019, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 45.0 ppb (35) N/A 23.0 μg/m3 (21) 3.5 μg/m3 (15) 35.0
 
May 16, 2019, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 37.0 ppb (28) N/A 15.0 μg/m3 (14) 2.4 μg/m3 (10) 28.0
 
May 16, 2019, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 34.0 ppb (26) N/A 9.0 μg/m3 (8) 1.4 μg/m3 (6) 26.0
 
May 16, 2019, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) N/A 9.0 μg/m3 (8) 1.1 μg/m3 (5) 26.0
 
May 16, 2019, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) N/A 18.0 μg/m3 (16) 1.6 μg/m3 (7) 25.0
 
May 16, 2019, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) N/A 12.0 μg/m3 (11) 1.8 μg/m3 (8) 23.0
 
May 16, 2019, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 32.0 ppb (25) N/A 21.0 μg/m3 (19) 3.9 μg/m3 (16) 25.0
 
May 16, 2019, 3 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 36.0 ppb (28) N/A 25.0 μg/m3 (23) 5.3 μg/m3 (22) 28.0
 
May 16, 2019, 2 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 38.0 ppb (29) N/A 25.0 μg/m3 (23) 5.4 μg/m3 (23) 29.0
 
May 16, 2019, 1 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 41.0 ppb (32) N/A 21.0 μg/m3 (19) 5.0 μg/m3 (21) 32.0
 
May 16, 2019, noon N/A N/A N/A 6.0 ppb (6) N/A N/A 43.0 ppb (33) N/A 17.0 μg/m3 (15) 5.2 μg/m3 (22) 33.0
 
May 16, 2019, 11 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 47.0 ppb (36) N/A 18.0 μg/m3 (16) 5.1 μg/m3 (21) 36.0
 
May 16, 2019, 10 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 46.0 ppb (35) N/A 22.0 μg/m3 (20) 5.8 μg/m3 (24) 35.0
 
May 16, 2019, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 45.0 ppb (35) N/A 20.0 μg/m3 (18) 5.8 μg/m3 (24) 35.0