AQSQID: 490130002

Site Name: Roosvelt

Location: Roosevelt, UT

Reporting: True, Located: True

Current AQI: 36.0

Roosevelt UT, US: 40.2943, -110.009

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 16, 2019, 2 p.m. 10.7 ppb (10) 4.0 ppb (4) N/A 7.0 ppb (6) N/A N/A 26.0 ppb (20) N/A N/A 8.7 μg/m3 (36) 36.0
 
July 16, 2019, 1 p.m. 6.4 ppb (6) 1.7 ppb (2) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (22) N/A N/A 6.2 μg/m3 (26) 26.0
 
July 16, 2019, noon 10.5 ppb (10) 1.3 ppb (1) N/A 9.0 ppb (8) N/A N/A 21.0 ppb (16) N/A N/A 5.7 μg/m3 (24) 24.0
 
July 16, 2019, 11 a.m. 4.9 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 26.0 ppb (20) N/A N/A 4.1 μg/m3 (17) 20.0
 
July 16, 2019, 10 a.m. 4.3 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (18) N/A N/A 3.9 μg/m3 (16) 18.0
 
July 16, 2019, 9 a.m. 3.7 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) N/A N/A 4.1 μg/m3 (17) 18.0
 
July 16, 2019, 8 a.m. 3.8 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) N/A N/A 3.6 μg/m3 (15) 20.0
 
July 16, 2019, 7 a.m. 4.6 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) N/A N/A 4.2 μg/m3 (18) 21.0
 
July 16, 2019, 6 a.m. 3.9 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (23) N/A N/A 4.9 μg/m3 (20) 23.0
 
July 16, 2019, 5 a.m. 5.3 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (23) N/A N/A 5.7 μg/m3 (24) 24.0
 
July 16, 2019, 4 a.m. 2.1 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) N/A N/A 4.0 μg/m3 (17) 33.0
 
July 16, 2019, 3 a.m. 2.2 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A 4.2 μg/m3 (18) 35.0
 
July 16, 2019, 2 a.m. 1.8 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A N/A 5.4 μg/m3 (23) 38.0
 
July 16, 2019, 1 a.m. 1.9 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A N/A 5.5 μg/m3 (23) 38.0
 
July 16, 2019, midnight 1.7 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A N/A 5.1 μg/m3 (21) 38.0
 
July 15, 2019, 11 p.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A N/A 3.1 μg/m3 (13) 37.0
 
July 15, 2019, 10 p.m. 1.3 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A N/A 2.8 μg/m3 (12) 37.0
 
July 15, 2019, 9 p.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) N/A N/A 3.8 μg/m3 (16) 38.0
 
July 15, 2019, 8 p.m. 1.7 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A N/A 3.4 μg/m3 (14) 38.0
 
July 15, 2019, 7 p.m. 1.7 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (37) N/A N/A 3.3 μg/m3 (14) 37.0
 
July 15, 2019, 6 p.m. 2.3 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (37) N/A N/A 4.4 μg/m3 (18) 37.0
 
July 15, 2019, 5 p.m. 3.3 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 47.0 ppb (36) N/A N/A 5.7 μg/m3 (24) 36.0
 
July 15, 2019, 4 p.m. 4.3 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (32) N/A N/A 7.2 μg/m3 (30) 32.0
 
July 15, 2019, 3 p.m. 5.7 ppb (5) 1.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) N/A N/A 9.9 μg/m3 (41) 41.0
 
July 15, 2019, 2 p.m. 5.9 ppb (5) 1.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) N/A N/A 11.7 μg/m3 (49) 49.0
 
July 15, 2019, 1 p.m. 4.9 ppb (5) 1.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 26.0 ppb (20) N/A N/A 12.3 μg/m3 (51) 51.0
 
July 15, 2019, noon 7.1 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 18.0 ppb (14) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 15, 2019, 11 a.m. 3.9 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (22) N/A N/A 10.8 μg/m3 (45) 45.0
 
July 15, 2019, 10 a.m. 4.0 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) N/A N/A 8.6 μg/m3 (36) 36.0
 
July 15, 2019, 9 a.m. 5.1 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (17) N/A N/A 12.5 μg/m3 (51) 51.0
 
July 15, 2019, 8 a.m. 5.3 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (17) N/A N/A 9.3 μg/m3 (39) 39.0
 
July 15, 2019, 7 a.m. 4.8 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (18) N/A N/A 9.6 μg/m3 (40) 40.0
 
July 15, 2019, 6 a.m. 3.5 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) N/A N/A 6.8 μg/m3 (28) 28.0
 
July 15, 2019, 5 a.m. 2.7 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 15, 2019, 4 a.m. 3.3 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (25) N/A N/A 5.5 μg/m3 (23) 25.0
 
July 15, 2019, 3 a.m. 3.1 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) N/A N/A 4.1 μg/m3 (17) 30.0
 
July 15, 2019, 2 a.m. 3.0 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) N/A N/A 3.7 μg/m3 (15) 32.0
 
July 15, 2019, 1 a.m. 2.0 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (34) N/A N/A 3.8 μg/m3 (16) 34.0
 
July 15, 2019, midnight 1.5 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A N/A 3.6 μg/m3 (15) 37.0
 
July 14, 2019, 11 p.m. 1.5 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A N/A 3.0 μg/m3 (12) 37.0
 
July 14, 2019, 10 p.m. 1.4 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A N/A 2.8 μg/m3 (12) 37.0
 
July 14, 2019, 9 p.m. 1.8 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A N/A 3.5 μg/m3 (15) 38.0
 
July 14, 2019, 8 p.m. 1.8 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) N/A N/A 3.6 μg/m3 (15) 39.0
 
July 14, 2019, 7 p.m. 2.0 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A N/A 3.9 μg/m3 (16) 40.0
 
July 14, 2019, 6 p.m. 2.0 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A N/A 4.0 μg/m3 (17) 40.0
 
July 14, 2019, 5 p.m. 2.3 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) N/A N/A 12.7 μg/m3 (51) 51.0
 
July 14, 2019, 4 p.m. 2.9 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (35) N/A N/A 5.5 μg/m3 (23) 35.0
 
July 14, 2019, 3 p.m. 3.3 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) N/A N/A 6.6 μg/m3 (28) 29.0
 
July 14, 2019, 2 p.m. 5.1 ppb (5) 1.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (22) N/A N/A 7.1 μg/m3 (30) 30.0
 
July 14, 2019, 1 p.m. 4.0 ppb (4) 1.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) N/A N/A 6.5 μg/m3 (27) 27.0
 
July 14, 2019, noon 4.6 ppb (4) 1.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 19.0 ppb (15) N/A N/A 7.1 μg/m3 (30) 30.0
 
July 14, 2019, 11 a.m. 4.9 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) N/A N/A 8.9 μg/m3 (37) 37.0
 
July 14, 2019, 10 a.m. 6.5 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 18.0 ppb (14) N/A N/A 12.7 μg/m3 (51) 51.0
 
July 14, 2019, 9 a.m. 3.1 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) N/A N/A 3.9 μg/m3 (16) 21.0
 
July 14, 2019, 8 a.m. 4.7 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (22) N/A N/A 4.1 μg/m3 (17) 22.0
 
July 14, 2019, 7 a.m. 4.2 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) N/A N/A 4.0 μg/m3 (17) 24.0
 
July 14, 2019, 6 a.m. 3.9 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (25) N/A N/A 4.2 μg/m3 (18) 25.0
 
July 14, 2019, 5 a.m. 3.1 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) N/A N/A 4.4 μg/m3 (18) 28.0
 
July 14, 2019, 4 a.m. 4.0 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) N/A N/A 5.0 μg/m3 (21) 28.0
 
July 14, 2019, 3 a.m. 3.1 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) N/A N/A 7.9 μg/m3 (33) 33.0
 
July 14, 2019, 2 a.m. 3.1 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (33) N/A N/A 4.7 μg/m3 (20) 33.0
 
July 14, 2019, 1 a.m. 2.4 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A 4.1 μg/m3 (17) 35.0
 
July 14, 2019, midnight 1.7 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (37) N/A N/A 3.7 μg/m3 (15) 37.0
 
July 13, 2019, 11 p.m. 1.7 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (37) N/A N/A 3.5 μg/m3 (15) 37.0
 
July 13, 2019, 10 p.m. 1.9 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (37) N/A N/A 3.7 μg/m3 (15) 37.0
 
July 13, 2019, 9 p.m. 1.8 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) N/A N/A 3.9 μg/m3 (16) 36.0
 
July 13, 2019, 8 p.m. 2.2 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) N/A N/A 4.5 μg/m3 (19) 33.0
 
July 13, 2019, 7 p.m. 1.8 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (34) N/A N/A 4.2 μg/m3 (18) 34.0
 
July 13, 2019, 6 p.m. 2.6 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) N/A N/A 5.2 μg/m3 (22) 32.0
 
July 13, 2019, 5 p.m. 2.4 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) N/A N/A 5.8 μg/m3 (24) 32.0
 
July 13, 2019, 4 p.m. 3.0 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) N/A N/A 5.9 μg/m3 (25) 29.0
 
July 13, 2019, 3 p.m. 2.3 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) N/A N/A 5.2 μg/m3 (22) 32.0
 
July 13, 2019, 2 p.m. 2.7 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) N/A N/A 5.5 μg/m3 (23) 31.0
 
July 13, 2019, 1 p.m. 4.7 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) N/A N/A 9.3 μg/m3 (39) 39.0
 
July 13, 2019, noon 3.2 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) N/A N/A 9.7 μg/m3 (40) 40.0
 
July 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 7.0 μg/m3 (29) 29.0
 
July 13, 2019, 10 a.m. 5.7 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (17) N/A N/A 7.5 μg/m3 (31) 31.0
 
July 13, 2019, 9 a.m. 6.4 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 21.0 ppb (16) N/A N/A 8.1 μg/m3 (34) 34.0
 
July 13, 2019, 8 a.m. 7.9 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (6) N/A N/A 19.0 ppb (15) N/A N/A 6.9 μg/m3 (29) 29.0
 
July 13, 2019, 7 a.m. 5.1 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 20.0 ppb (15) N/A N/A 9.1 μg/m3 (38) 38.0
 
July 13, 2019, 6 a.m. 6.2 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 20.0 ppb (15) N/A N/A 16.0 μg/m3 (59) 59.0
 
July 13, 2019, 5 a.m. 4.6 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (19) N/A N/A 7.3 μg/m3 (30) 30.0
 
July 13, 2019, 4 a.m. 3.5 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) N/A N/A 5.8 μg/m3 (24) 24.0
 
July 13, 2019, 3 a.m. 4.8 ppb (4) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (28) N/A N/A 6.4 μg/m3 (27) 28.0
 
July 13, 2019, 2 a.m. 5.4 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (31) N/A N/A 5.7 μg/m3 (24) 31.0
 
July 13, 2019, 1 a.m. 3.2 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (34) N/A N/A 4.3 μg/m3 (18) 34.0
 
July 13, 2019, midnight 2.7 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) N/A N/A 3.8 μg/m3 (16) 36.0
 
July 12, 2019, 11 p.m. 3.0 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 48.0 ppb (37) N/A N/A 3.7 μg/m3 (15) 37.0
 
July 12, 2019, 10 p.m. 1.9 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) N/A N/A 4.3 μg/m3 (18) 39.0
 
July 12, 2019, 9 p.m. 2.0 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A N/A 15.4 μg/m3 (57) 57.0
 
July 12, 2019, 8 p.m. 2.7 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 58.0 ppb (45) N/A N/A 6.8 μg/m3 (28) 45.0
 
July 12, 2019, 7 p.m. 2.9 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 57.0 ppb (44) N/A N/A 15.4 μg/m3 (57) 57.0
 
July 12, 2019, 6 p.m. 2.8 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 52.0 ppb (40) N/A N/A 3.7 μg/m3 (15) 40.0
 
July 12, 2019, 5 p.m. 3.4 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 48.0 ppb (37) N/A N/A 3.9 μg/m3 (16) 37.0
 
July 12, 2019, 4 p.m. 4.5 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (34) N/A N/A 4.4 μg/m3 (18) 34.0
 
July 12, 2019, 3 p.m. 6.6 ppb (6) 2.1 ppb (2) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) N/A N/A 5.1 μg/m3 (21) 26.0
 
July 12, 2019, 2 p.m. 7.8 ppb (7) 2.9 ppb (3) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (18) N/A N/A 5.6 μg/m3 (23) 23.0
 
July 12, 2019, 1 p.m. 6.2 ppb (6) 2.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 19.0 ppb (15) N/A N/A 5.6 μg/m3 (23) 23.0
 
July 12, 2019, noon 4.7 ppb (4) 1.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) N/A N/A 10.8 μg/m3 (45) 45.0
 
July 12, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 3.6 μg/m3 (15) 17.0
 
July 12, 2019, 10 a.m. 5.2 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 21.0 ppb (16) N/A N/A 3.7 μg/m3 (15) 16.0
 
July 12, 2019, 9 a.m. 5.2 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 21.0 ppb (16) N/A N/A 3.8 μg/m3 (16) 16.0
 
July 12, 2019, 8 a.m. 5.7 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 21.0 ppb (16) N/A N/A 4.5 μg/m3 (19) 19.0
 
July 12, 2019, 7 a.m. 5.6 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (21) N/A N/A 10.7 μg/m3 (45) 45.0
 
July 12, 2019, 6 a.m. 4.4 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) N/A N/A 2.9 μg/m3 (12) 21.0
 
July 12, 2019, 5 a.m. 3.8 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (23) N/A N/A 2.9 μg/m3 (12) 23.0
 
July 12, 2019, 4 a.m. 4.2 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (22) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 12, 2019, 3 a.m. 5.7 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (22) N/A N/A 3.0 μg/m3 (12) 22.0
 
July 12, 2019, 2 a.m. 4.5 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) N/A N/A 2.6 μg/m3 (11) 25.0
 
July 12, 2019, 1 a.m. 2.3 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) N/A N/A 2.3 μg/m3 (10) 30.0
 
July 12, 2019, midnight 2.1 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) N/A N/A 2.7 μg/m3 (11) 32.0
 
July 11, 2019, 11 p.m. 1.7 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) N/A N/A 3.9 μg/m3 (16) 35.0
 
July 11, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.1 μg/m3 (54) 54.0
 
July 11, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 6.8 μg/m3 (28) 35.0
 
July 11, 2019, 8 p.m. 1.7 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 4.1 μg/m3 (17) 17.0
 
July 11, 2019, 7 p.m. 2.4 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A N/A 7.6 μg/m3 (32) 40.0
 
July 11, 2019, 6 p.m. 4.2 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 56.0 ppb (43) N/A N/A 11.6 μg/m3 (48) 48.0
 
July 11, 2019, 5 p.m. 6.3 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 56.0 ppb (43) N/A N/A 12.4 μg/m3 (51) 51.0
 
July 11, 2019, 4 p.m. 8.2 ppb (8) 2.0 ppb (2) N/A 6.0 ppb (6) N/A N/A 45.0 ppb (35) N/A N/A 13.5 μg/m3 (53) 53.0
 
July 11, 2019, 3 p.m. 6.2 ppb (6) 1.7 ppb (2) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (28) N/A N/A 18.5 μg/m3 (64) 64.0
 
July 11, 2019, 2 p.m. 7.9 ppb (7) 2.9 ppb (3) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (18) N/A N/A 9.8 μg/m3 (41) 41.0
 
July 11, 2019, 1 p.m. 7.6 ppb (7) 2.7 ppb (3) N/A 5.0 ppb (5) N/A N/A 20.0 ppb (15) N/A N/A 8.4 μg/m3 (35) 35.0
 
July 11, 2019, noon 5.7 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 19.0 ppb (15) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 11, 2019, 11 a.m. 4.7 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) N/A N/A 7.0 μg/m3 (29) 29.0
 
July 11, 2019, 10 a.m. 5.8 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (17) N/A N/A 7.4 μg/m3 (31) 31.0
 
July 11, 2019, 9 a.m. 3.7 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (18) N/A N/A 6.8 μg/m3 (28) 28.0
 
July 11, 2019, 8 a.m. 3.8 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 11, 2019, 7 a.m. 7.0 ppb (6) 0.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 23.0 ppb (18) N/A N/A 9.9 μg/m3 (41) 41.0
 
July 11, 2019, 6 a.m. 3.1 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (22) N/A N/A 6.3 μg/m3 (26) 26.0
 
July 11, 2019, 5 a.m. 3.4 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 11, 2019, 4 a.m. 3.4 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) N/A N/A 11.2 μg/m3 (47) 47.0
 
July 11, 2019, 3 a.m. 5.2 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (31) N/A N/A 13.3 μg/m3 (53) 53.0
 
July 11, 2019, 2 a.m. 6.1 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 45.0 ppb (35) N/A N/A 7.7 μg/m3 (32) 35.0
 
July 11, 2019, 1 a.m. 3.1 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 50.0 ppb (38) N/A N/A 5.9 μg/m3 (25) 38.0
 
July 11, 2019, midnight 1.9 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (41) N/A N/A 5.1 μg/m3 (21) 41.0
 
July 10, 2019, 11 p.m. 1.7 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (42) N/A N/A 5.2 μg/m3 (22) 42.0
 
July 10, 2019, 10 p.m. 1.7 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (42) N/A N/A 5.5 μg/m3 (23) 42.0
 
July 10, 2019, 9 p.m. 1.5 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (40) N/A N/A 5.3 μg/m3 (22) 40.0
 
July 10, 2019, 8 p.m. 2.2 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (42) N/A N/A 5.3 μg/m3 (22) 42.0
 
July 10, 2019, 7 p.m. 2.0 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 57.0 ppb (44) N/A N/A 5.9 μg/m3 (25) 44.0
 
July 10, 2019, 6 p.m. 2.4 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 56.0 ppb (43) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 10, 2019, 5 p.m. 2.8 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 54.0 ppb (42) N/A N/A 7.6 μg/m3 (32) 42.0
 
July 10, 2019, 4 p.m. 3.1 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 48.0 ppb (37) N/A N/A 7.2 μg/m3 (30) 37.0
 
July 10, 2019, 3 p.m. 6.4 ppb (6) 2.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) N/A N/A 8.2 μg/m3 (34) 34.0
 
July 10, 2019, 2 p.m. 11.3 ppb (10) 4.2 ppb (4) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
July 10, 2019, 1 p.m. 6.0 ppb (6) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 14.3 μg/m3 (55) 55.0
 
July 10, 2019, noon 5.9 ppb (5) 1.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 19.0 ppb (15) N/A N/A 7.9 μg/m3 (33) 33.0
 
July 10, 2019, 11 a.m. 5.2 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 12.1 μg/m3 (50) 50.0
 
July 10, 2019, 10 a.m. 2.9 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) N/A N/A 7.4 μg/m3 (31) 31.0
 
July 10, 2019, 9 a.m. 3.5 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) N/A N/A 7.4 μg/m3 (31) 31.0
 
July 10, 2019, 8 a.m. 3.1 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (24) N/A N/A 7.2 μg/m3 (30) 30.0
 
July 10, 2019, 7 a.m. 5.9 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (18) N/A N/A 12.5 μg/m3 (51) 51.0
 
July 10, 2019, 6 a.m. 4.8 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) N/A N/A 7.9 μg/m3 (33) 33.0
 
July 10, 2019, 5 a.m. 5.0 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (23) N/A N/A 7.2 μg/m3 (30) 30.0
 
July 10, 2019, 4 a.m. 7.6 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 36.0 ppb (28) N/A N/A 7.9 μg/m3 (33) 33.0
 
July 10, 2019, 3 a.m. 2.8 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (34) N/A N/A 7.2 μg/m3 (30) 34.0
 
July 10, 2019, 2 a.m. 2.1 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) N/A N/A 5.7 μg/m3 (24) 36.0
 
July 10, 2019, 1 a.m. 1.8 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 38.0
 
July 10, 2019, midnight 1.5 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) N/A N/A 4.8 μg/m3 (20) 38.0
 
July 9, 2019, 11 p.m. 1.5 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) N/A N/A 4.4 μg/m3 (18) 38.0
 
July 9, 2019, 10 p.m. 1.3 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (38) N/A N/A 7.8 μg/m3 (32) 38.0
 
July 9, 2019, 9 p.m. 1.2 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) N/A N/A 4.7 μg/m3 (20) 38.0
 
July 9, 2019, 8 p.m. 1.5 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (39) N/A N/A 8.7 μg/m3 (36) 39.0
 
July 9, 2019, 7 p.m. 1.8 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A N/A 6.4 μg/m3 (27) 40.0
 
July 9, 2019, 6 p.m. 2.1 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (42) N/A N/A 6.4 μg/m3 (27) 42.0
 
July 9, 2019, 5 p.m. 2.4 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A N/A 9.3 μg/m3 (39) 40.0
 
July 9, 2019, 4 p.m. 2.3 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A N/A 13.2 μg/m3 (53) 53.0
 
July 9, 2019, 3 p.m. 4.3 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (34) N/A N/A 9.7 μg/m3 (40) 40.0