AQSQID: 000090402

Site Name: Medicine Hat - Crescent Hts

Location: Medicine Hat, CC

Reporting: True, Located: True

Current AQI: 34.0

Medicine Hat CC, CA: 50.0492, -110.6814

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 23, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 4.4 μg/m3 (18) 34.0
 
July 23, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 4.5 μg/m3 (19) 35.0
 
July 23, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 4.7 μg/m3 (20) 30.0
 
July 23, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 6.1 μg/m3 (25) 29.0
 
July 23, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 6.6 μg/m3 (28) 31.0
 
July 23, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 7.0 μg/m3 (29) 32.0
 
July 23, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 7.8 μg/m3 (32) 35.0
 
July 23, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 5.7 μg/m3 (24) 40.0
 
July 23, 2019, midnight N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 5.3 μg/m3 (22) 42.0
 
July 22, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.4 μg/m3 (23) 23.0
 
July 22, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 5.0 μg/m3 (21) 42.0
 
July 22, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 4.9 μg/m3 (20) 42.0
 
July 22, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 5.1 μg/m3 (21) 40.0
 
July 22, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 5.1 μg/m3 (21) 38.0
 
July 22, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 5.1 μg/m3 (21) 36.0
 
July 22, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 4.5 μg/m3 (19) 34.0
 
July 22, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 3.0 μg/m3 (12) 32.0
 
July 22, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 2.4 μg/m3 (10) 26.0
 
July 22, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 2.4 μg/m3 (10) 22.0
 
July 22, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 2.1 μg/m3 (9) 18.0
 
July 22, 2019, noon N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 2.6 μg/m3 (11) 19.0
 
July 22, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 2.4 μg/m3 (10) 21.0
 
July 22, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 2.1 μg/m3 (9) 25.0
 
July 22, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 1.8 μg/m3 (8) 27.0
 
July 22, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 1.5 μg/m3 (6) 30.0
 
July 22, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 1.9 μg/m3 (8) 32.0
 
July 22, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 2.4 μg/m3 (10) 29.0
 
July 22, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 2.1 μg/m3 (9) 26.0
 
July 22, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 1.6 μg/m3 (7) 28.0
 
July 22, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 1.3 μg/m3 (5) 32.0
 
July 22, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 0.8 μg/m3 (3) 34.0
 
July 22, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 0.5 μg/m3 (2) 35.0
 
July 22, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.5 μg/m3 (2) 2.0
 
July 21, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 0.9 μg/m3 (4) 36.0
 
July 21, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 1.1 μg/m3 (5) 38.0
 
July 21, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 1.4 μg/m3 (6) 38.0
 
July 21, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 1.7 μg/m3 (7) 38.0
 
July 21, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 2.1 μg/m3 (9) 38.0
 
July 21, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 2.0 μg/m3 (8) 36.0
 
July 21, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 1.9 μg/m3 (8) 31.0
 
July 21, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 2.5 μg/m3 (10) 25.0
 
July 21, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 2.8 μg/m3 (12) 19.0
 
July 21, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 2.9 μg/m3 (12) 17.0
 
July 21, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 2.3 μg/m3 (10) 14.0
 
July 21, 2019, noon N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 1.4 μg/m3 (6) 12.0
 
July 21, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 1.6 μg/m3 (7) 12.0
 
July 21, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 2.4 μg/m3 (10) 15.0
 
July 21, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 1.9 μg/m3 (8) 15.0
 
July 21, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 1.5 μg/m3 (6) 18.0
 
July 21, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 1.7 μg/m3 (7) 18.0
 
July 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 1.7 μg/m3 (7) 15.0
 
July 21, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 0.7 μg/m3 (3) 24.0
 
July 21, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 0.5 μg/m3 (2) 26.0
 
July 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 0.9 μg/m3 (4) 30.0
 
July 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 0.3 μg/m3 (1) 28.0
 
July 21, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.7 μg/m3 (11) 11.0
 
July 21, 2019, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 6.1 μg/m3 (25) 27.0
 
July 20, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 3.4 μg/m3 (14) 33.0
 
July 20, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 4.5 μg/m3 (19) 32.0
 
July 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 4.6 μg/m3 (19) 32.0
 
July 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 5.7 μg/m3 (24) 32.0
 
July 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 5.3 μg/m3 (22) 31.0
 
July 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 5.9 μg/m3 (25) 28.0
 
July 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 5.1 μg/m3 (21) 27.0
 
July 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 3.7 μg/m3 (15) 25.0
 
July 20, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 4.3 μg/m3 (18) 22.0
 
July 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 2.7 μg/m3 (11) 17.0
 
July 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 1.2 μg/m3 (5) 14.0
 
July 20, 2019, noon N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 0.7 μg/m3 (3) 10.0
 
July 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 1.6 μg/m3 (7) 9.0
 
July 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 0.5 μg/m3 (2) 12.0
 
July 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 0.2 μg/m3 (1) 16.0
 
July 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 0.2 μg/m3 (1) 18.0
 
July 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 0.2 μg/m3 (1) 19.0
 
July 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 0.2 μg/m3 (1) 15.0
 
July 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 0.7 μg/m3 (3) 15.0
 
July 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 1.8 μg/m3 (8) 18.0
 
July 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 0.4 μg/m3 (2) 21.0
 
July 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.2 μg/m3 (1) 1.0
 
July 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 0.2 μg/m3 (1) 25.0
 
July 20, 2019, midnight N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 0.2 μg/m3 (1) 26.0
 
July 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 0.2 μg/m3 (1) 26.0
 
July 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 0.2 μg/m3 (1) 28.0
 
July 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 0.2 μg/m3 (1) 30.0
 
July 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 0.2 μg/m3 (1) 29.0
 
July 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 0.2 μg/m3 (1) 28.0
 
July 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 0.4 μg/m3 (2) 28.0
 
July 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 0.2 μg/m3 (1) 27.0
 
July 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 0.2 μg/m3 (1) 25.0
 
July 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 0.5 μg/m3 (2) 22.0
 
July 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 2.7 μg/m3 (11) 17.0
 
July 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 2.3 μg/m3 (10) 15.0
 
July 19, 2019, noon N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 1.8 μg/m3 (8) 15.0
 
July 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 1.7 μg/m3 (7) 16.0
 
July 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 1.7 μg/m3 (7) 18.0
 
July 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 1.7 μg/m3 (7) 15.0
 
July 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 1.8 μg/m3 (8) 13.0
 
July 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 1.9 μg/m3 (8) 16.0
 
July 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 1.7 μg/m3 (7) 18.0
 
July 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 2.1 μg/m3 (9) 22.0
 
July 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 1.7 μg/m3 (7) 26.0
 
July 19, 2019, 3 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 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 0.8 μg/m3 (3) 29.0
 
July 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 2.7 μg/m3 (11) 30.0
 
July 19, 2019, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 1.0 μg/m3 (4) 33.0
 
July 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 1.8 μg/m3 (8) 32.0
 
July 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 2.5 μg/m3 (10) 32.0
 
July 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 1.5 μg/m3 (6) 34.0
 
July 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 1.6 μg/m3 (7) 36.0
 
July 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 1.7 μg/m3 (7) 35.0
 
July 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 1.6 μg/m3 (7) 30.0
 
July 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 1.7 μg/m3 (7) 27.0
 
July 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 1.2 μg/m3 (5) 23.0
 
July 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 0.9 μg/m3 (4) 23.0
 
July 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 2.2 μg/m3 (9) 20.0
 
July 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 1.3 μg/m3 (5) 18.0
 
July 18, 2019, noon N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 0.9 μg/m3 (4) 17.0
 
July 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 0.9 μg/m3 (4) 18.0
 
July 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 1.0 μg/m3 (4) 18.0
 
July 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 1.0 μg/m3 (4) 20.0
 
July 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 1.1 μg/m3 (5) 21.0
 
July 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 0.9 μg/m3 (4) 23.0
 
July 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 0.4 μg/m3 (2) 24.0
 
July 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 1.2 μg/m3 (5) 27.0
 
July 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.4 μg/m3 (6) 6.0
 
July 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 1.6 μg/m3 (7) 31.0
 
July 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 2.1 μg/m3 (9) 31.0
 
July 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 1.1 μg/m3 (5) 33.0
 
July 18, 2019, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 1.2 μg/m3 (5) 33.0
 
July 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 1.1 μg/m3 (5) 35.0
 
July 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 1.1 μg/m3 (5) 32.0
 
July 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 0.9 μg/m3 (4) 35.0
 
July 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 0.7 μg/m3 (3) 35.0
 
July 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 1.0 μg/m3 (4) 35.0
 
July 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 1.1 μg/m3 (5) 34.0
 
July 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 0.8 μg/m3 (3) 35.0
 
July 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 0.2 μg/m3 (1) 37.0
 
July 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 0.5 μg/m3 (2) 28.0
 
July 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 1.0 μg/m3 (4) 21.0
 
July 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 1.7 μg/m3 (7) 16.0
 
July 17, 2019, noon N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 1.0 μg/m3 (4) 14.0
 
July 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 1.1 μg/m3 (5) 12.0
 
July 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 0.8 μg/m3 (3) 15.0
 
July 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 0.5 μg/m3 (2) 18.0
 
July 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 0.3 μg/m3 (1) 22.0
 
July 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 0.3 μg/m3 (1) 21.0
 
July 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 0.4 μg/m3 (2) 24.0
 
July 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.2 μg/m3 (1) 1.0
 
July 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 0.2 μg/m3 (1) 32.0
 
July 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 0.2 μg/m3 (1) 35.0
 
July 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 0.2 μg/m3 (1) 38.0
 
July 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 0.2 μg/m3 (1) 39.0
 
July 17, 2019, midnight N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 0.2 μg/m3 (1) 41.0
 
July 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 0.2 μg/m3 (1) 41.0
 
July 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 0.8 μg/m3 (3) 39.0
 
July 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 1.8 μg/m3 (8) 36.0
 
July 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 2.0 μg/m3 (8) 35.0
 
July 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 2.0 μg/m3 (8) 35.0
 
July 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 2.5 μg/m3 (10) 33.0
 
July 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 3.5 μg/m3 (15) 32.0
 
July 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 3.2 μg/m3 (13) 28.0
 
July 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 4.3 μg/m3 (18) 22.0
 
July 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 7.6 μg/m3 (32) 32.0
 
July 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 9.5 μg/m3 (40) 40.0
 
July 16, 2019, noon N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 11.9 μg/m3 (50) 50.0
 
July 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 8.8 μg/m3 (37) 37.0
 
July 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 7.1 μg/m3 (30) 30.0
 
July 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 5.5 μg/m3 (23) 23.0