AQSQID: 482011034

Site Name: Houston East C1

Location: Houston (Mae Dr), TX

Reporting: True, Located: True

Current AQI: 7.0

Houston (Mae Dr) TX, US: 29.7681, -95.2206

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 23, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A N/A 7.0
 
July 23, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 23, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 23, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 23, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 23, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 23, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 23, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 23, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 23, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 18.0 μg/m3 (63) 63.0
 
July 23, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 23, 2019, midnight N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 22, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A N/A 21.0
 
July 22, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 19.0 μg/m3 (65) 65.0
 
July 22, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 22, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 19.0 μg/m3 (65) 65.0
 
July 22, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 15.0 μg/m3 (56) 56.0
 
July 22, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 22, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 18.0 μg/m3 (63) 63.0
 
July 22, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 22, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 22, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 19.0 μg/m3 (65) 65.0
 
July 22, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 14.0 μg/m3 (54) 54.0
 
July 22, 2019, noon N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 22, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (54) 54.0
 
July 22, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 22, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 22, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 7.0 μg/m3 (29) 29.0
 
July 22, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 22, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 22, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 22, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 22, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 7.0 μg/m3 (29) 29.0
 
July 22, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 22, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 22, 2019, midnight N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 21, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A N/A 12.0
 
July 21, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 21, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
July 21, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 23.0 μg/m3 (73) 73.0
 
July 21, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
July 21, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 29.0 μg/m3 (86) 86.0
 
July 21, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 21, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 21, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 13.0 μg/m3 (52) 52.0
 
July 21, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 19.0 μg/m3 (65) 65.0
 
July 21, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 14.0 μg/m3 (54) 54.0
 
July 21, 2019, noon N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 21, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 21, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 21, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 21, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 21, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 21, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 4.0 μg/m3 (17) 17.0
 
July 21, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
July 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 3.0 μg/m3 (12) 12.0
 
July 21, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 21, 2019, midnight N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 20, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A N/A 14.0
 
July 20, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 7.0 μg/m3 (29) 29.0
 
July 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 4.0 μg/m3 (17) 17.0
 
July 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 7.0 μg/m3 (29) 29.0
 
July 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 7.0 μg/m3 (29) 29.0
 
July 20, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 20, 2019, noon N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 7.0 μg/m3 (29) 29.0
 
July 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 4.0 μg/m3 (17) 17.0
 
July 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 3.0 μg/m3 (12) 12.0
 
July 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 7.0 μg/m3 (29) 29.0
 
July 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 7.0 μg/m3 (29) 29.0
 
July 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 2.0 μg/m3 (8) 11.0
 
July 20, 2019, midnight N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A N/A 15.0
 
July 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 7.0 μg/m3 (29) 29.0
 
July 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 4.0 μg/m3 (17) 17.0
 
July 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 19, 2019, noon N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 4.0 μg/m3 (17) 17.0
 
July 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 4.0 μg/m3 (17) 17.0
 
July 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 7.0 μg/m3 (29) 29.0
 
July 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 3.0 μg/m3 (12) 12.0
 
July 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 1.0 μg/m3 (4) 11.0
 
July 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 19, 2019, midnight N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 7.0 μg/m3 (29) 29.0
 
July 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A N/A 16.0
 
July 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 3.0 μg/m3 (12) 18.0
 
July 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 3.0 μg/m3 (12) 18.0
 
July 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 4.0 μg/m3 (17) 18.0
 
July 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 4.0 μg/m3 (17) 19.0
 
July 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 7.0 μg/m3 (29) 29.0
 
July 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 18, 2019, noon N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 7.0 μg/m3 (29) 29.0
 
July 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 7.0 μg/m3 (29) 29.0
 
July 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 7.0 μg/m3 (29) 29.0
 
July 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 18, 2019, midnight N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A N/A 15.0
 
July 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 14.0 μg/m3 (54) 54.0
 
July 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 7.0 μg/m3 (29) 29.0
 
July 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
July 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
July 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 17, 2019, noon N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 7.0 μg/m3 (29) 29.0
 
July 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (56) 56.0
 
July 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 7.0 μg/m3 (29) 29.0
 
July 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 4.0 μg/m3 (17) 17.0
 
July 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 4.0 μg/m3 (17) 17.0
 
July 17, 2019, midnight N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A N/A 15.0
 
July 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 4.0 μg/m3 (17) 18.0
 
July 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 7.0 μg/m3 (29) 29.0
 
July 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 7.0 μg/m3 (29) 29.0
 
July 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 16, 2019, noon N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 7.0 μg/m3 (29) 29.0