AQSQID: 490210005

Site Name: Enoch

Location: Enoch, UT

Reporting: True, Located: True

Current AQI: 36.0

Enoch UT, US: 37.747445, -113.055524

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 24, 2019, 2 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (36) N/A N/A 1.4 μg/m3 (6) 36.0
 
May 24, 2019, 1 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (38) N/A N/A 1.4 μg/m3 (6) 38.0
 
May 24, 2019, midnight 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (39) N/A N/A 1.5 μg/m3 (6) 39.0
 
May 23, 2019, 11 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) N/A N/A 1.4 μg/m3 (6) 39.0
 
May 23, 2019, 10 p.m. 1.0 ppb (1) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (40) N/A N/A 1.4 μg/m3 (6) 40.0
 
May 23, 2019, 9 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (39) N/A N/A 1.3 μg/m3 (5) 39.0
 
May 23, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 1.2 μg/m3 (5) 38.0
 
May 23, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.1 μg/m3 (5) 5.0
 
May 23, 2019, 6 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (38) N/A N/A 1.2 μg/m3 (5) 38.0
 
May 23, 2019, 5 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) N/A N/A 1.5 μg/m3 (6) 38.0
 
May 23, 2019, 4 p.m. 1.0 ppb (1) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A N/A 1.9 μg/m3 (8) 37.0
 
May 23, 2019, 3 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) N/A N/A 1.9 μg/m3 (8) 35.0
 
May 23, 2019, 2 p.m. 4.0 ppb (4) 2.0 ppb (2) N/A 3.0 ppb (3) N/A N/A 47.0 ppb (36) N/A N/A 1.9 μg/m3 (8) 36.0
 
May 23, 2019, 1 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 43.0 ppb (33) N/A N/A 1.8 μg/m3 (8) 33.0
 
May 23, 2019, noon 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) N/A N/A 0.9 μg/m3 (4) 33.0
 
May 23, 2019, 11 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) N/A N/A 0.8 μg/m3 (3) 35.0
 
May 23, 2019, 10 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) N/A N/A 1.1 μg/m3 (5) 34.0
 
May 23, 2019, 9 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) N/A N/A 0.8 μg/m3 (3) 35.0
 
May 23, 2019, 8 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A N/A 0.6 μg/m3 (2) 37.0
 
May 23, 2019, 7 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) N/A N/A 0.6 μg/m3 (2) 30.0
 
May 23, 2019, 6 a.m. 3.0 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) N/A N/A 0.8 μg/m3 (3) 32.0
 
May 23, 2019, 5 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) N/A N/A 0.5 μg/m3 (2) 38.0
 
May 23, 2019, 4 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) N/A N/A 0.8 μg/m3 (3) 38.0
 
May 23, 2019, 3 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A N/A 1.2 μg/m3 (5) 40.0
 
May 23, 2019, 2 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 50.0 ppb (38) N/A N/A 1.0 μg/m3 (4) 38.0
 
May 23, 2019, 1 a.m. 6.0 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A N/A 50.0 ppb (38) N/A N/A 1.4 μg/m3 (6) 38.0
 
May 23, 2019, midnight 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 55.0 ppb (42) N/A N/A 1.0 μg/m3 (4) 42.0
 
May 22, 2019, 11 p.m. 4.0 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A N/A 57.0 ppb (44) N/A N/A 0.9 μg/m3 (4) 44.0
 
May 22, 2019, 10 p.m. 5.0 ppb (5) 3.0 ppb (3) N/A 3.0 ppb (3) N/A N/A 56.0 ppb (43) N/A N/A 1.1 μg/m3 (5) 43.0
 
May 22, 2019, 9 p.m. 6.0 ppb (6) 3.0 ppb (3) N/A 3.0 ppb (3) N/A N/A 58.0 ppb (45) N/A N/A 1.3 μg/m3 (5) 45.0
 
May 22, 2019, 8 p.m. 3.0 ppb (3) 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A 56.0 ppb (43) N/A N/A 0.9 μg/m3 (4) 43.0
 
May 22, 2019, 7 p.m. 3.0 ppb (3) 2.0 ppb (2) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (41) N/A N/A 1.3 μg/m3 (5) 41.0
 
May 22, 2019, 6 p.m. 1.0 ppb (1) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (39) N/A N/A 1.1 μg/m3 (5) 39.0
 
May 22, 2019, 5 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (37) N/A N/A 1.3 μg/m3 (5) 37.0
 
May 22, 2019, 4 p.m. 1.0 ppb (1) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) N/A N/A 1.3 μg/m3 (5) 35.0
 
May 22, 2019, 3 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) N/A N/A 1.3 μg/m3 (5) 34.0
 
May 22, 2019, 2 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) N/A N/A 2.5 μg/m3 (10) 28.0
 
May 22, 2019, 1 p.m. 12.0 ppb (11) 4.0 ppb (4) N/A 7.0 ppb (6) N/A N/A 26.0 ppb (20) N/A N/A 5.0 μg/m3 (21) 21.0
 
May 22, 2019, noon 7.0 ppb (6) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (18) N/A N/A 4.4 μg/m3 (18) 18.0
 
May 22, 2019, 11 a.m. 8.0 ppb (7) 3.0 ppb (3) N/A 6.0 ppb (6) N/A N/A 22.0 ppb (17) N/A N/A 5.6 μg/m3 (23) 23.0
 
May 22, 2019, 10 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) N/A N/A 4.9 μg/m3 (20) 20.0
 
May 22, 2019, 9 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) N/A N/A 4.6 μg/m3 (19) 19.0
 
May 22, 2019, 8 a.m. 9.0 ppb (8) 0.0 ppb (0) N/A 9.0 ppb (8) N/A N/A 22.0 ppb (17) N/A N/A 3.0 μg/m3 (12) 17.0
 
May 22, 2019, 7 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (18) N/A N/A 4.0 μg/m3 (17) 18.0
 
May 22, 2019, 6 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (22) N/A N/A 4.6 μg/m3 (19) 22.0
 
May 22, 2019, 5 a.m. 7.0 ppb (6) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 32.0 ppb (25) N/A N/A 3.1 μg/m3 (13) 25.0
 
May 22, 2019, 4 a.m. 10.0 ppb (9) 0.0 ppb (0) N/A 10.0 ppb (9) N/A N/A 35.0 ppb (27) N/A N/A 2.4 μg/m3 (10) 27.0
 
May 22, 2019, 3 a.m. 8.0 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 41.0 ppb (32) N/A N/A 1.9 μg/m3 (8) 32.0
 
May 22, 2019, 2 a.m. 9.0 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A N/A 47.0 ppb (36) N/A N/A 2.0 μg/m3 (8) 36.0
 
May 22, 2019, 1 a.m. 6.0 ppb (6) 3.0 ppb (3) N/A 4.0 ppb (4) N/A N/A 60.0 ppb (46) N/A N/A 2.1 μg/m3 (9) 46.0
 
May 22, 2019, midnight 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 57.0 ppb (44) N/A N/A 2.4 μg/m3 (10) 44.0
 
May 21, 2019, 11 p.m. 7.0 ppb (6) 3.0 ppb (3) N/A 4.0 ppb (4) N/A N/A 53.0 ppb (41) N/A N/A 1.8 μg/m3 (8) 41.0
 
May 21, 2019, 10 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A N/A 2.1 μg/m3 (9) 38.0
 
May 21, 2019, 9 p.m. 7.0 ppb (6) 4.0 ppb (4) N/A 4.0 ppb (4) N/A N/A 46.0 ppb (35) N/A N/A 2.6 μg/m3 (11) 35.0
 
May 21, 2019, 8 p.m. 6.0 ppb (6) 3.0 ppb (3) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (35) N/A N/A 2.4 μg/m3 (10) 35.0
 
May 21, 2019, 7 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) N/A N/A 2.3 μg/m3 (10) 35.0
 
May 21, 2019, 6 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A N/A 2.0 μg/m3 (8) 37.0
 
May 21, 2019, 5 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (37) N/A N/A 1.6 μg/m3 (7) 37.0
 
May 21, 2019, 4 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) N/A N/A 1.7 μg/m3 (7) 32.0
 
May 21, 2019, 3 p.m. 5.0 ppb (5) 2.0 ppb (2) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) N/A N/A 2.0 μg/m3 (8) 30.0
 
May 21, 2019, 2 p.m. 9.0 ppb (8) 3.0 ppb (3) N/A 7.0 ppb (6) N/A N/A 32.0 ppb (25) N/A N/A 2.7 μg/m3 (11) 25.0
 
May 21, 2019, 1 p.m. 11.0 ppb (10) 3.0 ppb (3) N/A 9.0 ppb (8) N/A N/A 28.0 ppb (22) N/A N/A 2.7 μg/m3 (11) 22.0
 
May 21, 2019, noon 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) N/A N/A 1.2 μg/m3 (5) 29.0
 
May 21, 2019, 11 a.m. 3.0 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (33) N/A N/A 1.1 μg/m3 (5) 33.0
 
May 21, 2019, 10 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) N/A N/A 0.9 μg/m3 (4) 32.0
 
May 21, 2019, 9 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) N/A N/A 0.9 μg/m3 (4) 29.0
 
May 21, 2019, 8 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) N/A N/A 1.1 μg/m3 (5) 23.0
 
May 21, 2019, 7 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (22) N/A N/A 1.5 μg/m3 (6) 22.0
 
May 21, 2019, 6 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) N/A N/A 1.1 μg/m3 (5) 23.0
 
May 21, 2019, 5 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) N/A N/A 0.7 μg/m3 (3) 28.0
 
May 21, 2019, 4 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A 0.7 μg/m3 (3) 35.0
 
May 21, 2019, 3 a.m. 3.0 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (34) N/A N/A 0.8 μg/m3 (3) 34.0
 
May 21, 2019, 2 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (34) N/A N/A 1.0 μg/m3 (4) 34.0
 
May 21, 2019, 1 a.m. 7.0 ppb (6) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A 46.0 ppb (35) N/A N/A 1.4 μg/m3 (6) 35.0
 
May 21, 2019, midnight 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (36) N/A N/A 1.4 μg/m3 (6) 36.0
 
May 20, 2019, 11 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A N/A 1.6 μg/m3 (7) 37.0
 
May 20, 2019, 10 p.m. 4.0 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) N/A N/A 1.8 μg/m3 (8) 39.0
 
May 20, 2019, 9 p.m. 4.0 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A N/A 2.3 μg/m3 (10) 38.0
 
May 20, 2019, 8 p.m. 3.0 ppb (3) 2.0 ppb (2) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A N/A 2.2 μg/m3 (9) 38.0
 
May 20, 2019, 7 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (38) N/A N/A 1.6 μg/m3 (7) 38.0
 
May 20, 2019, 6 p.m. 2.0 ppb (2) 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (39) N/A N/A 0.8 μg/m3 (3) 39.0
 
May 20, 2019, 5 p.m. 4.0 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (41) N/A N/A 0.8 μg/m3 (3) 41.0
 
May 20, 2019, 4 p.m. 13.0 ppb (12) 5.0 ppb (5) N/A 9.0 ppb (8) N/A N/A 42.0 ppb (32) N/A N/A 1.8 μg/m3 (8) 32.0
 
May 20, 2019, 3 p.m. 31.0 ppb (29) 16.0 ppb (15) N/A 15.0 ppb (14) N/A N/A 27.0 ppb (21) N/A N/A 2.4 μg/m3 (10) 29.0
 
May 20, 2019, 2 p.m. 23.0 ppb (21) 10.0 ppb (9) N/A 13.0 ppb (12) N/A N/A 29.0 ppb (22) N/A N/A 2.2 μg/m3 (9) 22.0
 
May 20, 2019, 1 p.m. 17.0 ppb (16) 7.0 ppb (6) N/A 10.0 ppb (9) N/A N/A 34.0 ppb (26) N/A N/A 1.3 μg/m3 (5) 26.0
 
May 20, 2019, noon 17.0 ppb (16) 7.0 ppb (6) N/A 10.0 ppb (9) N/A N/A 35.0 ppb (27) N/A N/A 0.6 μg/m3 (2) 27.0
 
May 20, 2019, 11 a.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
 
May 20, 2019, 10 a.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (34) N/A N/A 1.3 μg/m3 (5) 34.0
 
May 20, 2019, 9 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) N/A N/A 1.0 μg/m3 (4) 29.0
 
May 20, 2019, 8 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) N/A N/A 1.1 μg/m3 (5) 35.0
 
May 20, 2019, 7 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (39) N/A N/A 1.4 μg/m3 (6) 39.0
 
May 20, 2019, 6 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (34) N/A N/A 1.3 μg/m3 (5) 34.0
 
May 20, 2019, 5 a.m. 3.0 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) N/A N/A 1.1 μg/m3 (5) 29.0
 
May 20, 2019, 4 a.m. 3.0 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (33) N/A N/A 0.9 μg/m3 (4) 33.0
 
May 20, 2019, 3 a.m. 7.0 ppb (6) 4.0 ppb (4) N/A 4.0 ppb (4) N/A N/A 48.0 ppb (37) N/A N/A 1.1 μg/m3 (5) 37.0
 
May 20, 2019, 2 a.m. 6.0 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A N/A 52.0 ppb (40) N/A N/A 1.2 μg/m3 (5) 40.0
 
May 20, 2019, 1 a.m. 2.0 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (42) N/A N/A 0.9 μg/m3 (4) 42.0
 
May 20, 2019, midnight 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 56.0 ppb (43) N/A N/A 1.4 μg/m3 (6) 43.0
 
May 19, 2019, 11 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 56.0 ppb (43) N/A N/A 2.2 μg/m3 (9) 43.0
 
May 19, 2019, 10 p.m. 1.0 ppb (1) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (39) N/A N/A 2.7 μg/m3 (11) 39.0
 
May 19, 2019, 9 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (39) N/A N/A 2.0 μg/m3 (8) 39.0
 
May 19, 2019, 8 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) N/A N/A 1.6 μg/m3 (7) 39.0
 
May 19, 2019, 7 p.m. 4.0 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (41) N/A N/A 0.3 μg/m3 (1) 41.0
 
May 19, 2019, 6 p.m. 4.0 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (41) N/A N/A 0.6 μg/m3 (2) 41.0
 
May 19, 2019, 5 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A N/A 2.6 μg/m3 (11) 38.0
 
May 19, 2019, 4 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 57.0 ppb (44) N/A N/A 3.8 μg/m3 (16) 44.0
 
May 19, 2019, 3 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 57.0 ppb (44) N/A N/A 5.0 μg/m3 (21) 44.0
 
May 19, 2019, 2 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 55.0 ppb (42) N/A N/A 4.7 μg/m3 (20) 42.0
 
May 19, 2019, 1 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 56.0 ppb (43) N/A N/A 4.8 μg/m3 (20) 43.0
 
May 19, 2019, noon 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 57.0 ppb (44) N/A N/A 4.1 μg/m3 (17) 44.0
 
May 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 2.5 μg/m3 (10) 39.0
 
May 19, 2019, 10 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (36) N/A N/A 1.8 μg/m3 (8) 36.0
 
May 19, 2019, 9 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A N/A 1.4 μg/m3 (6) 33.0
 
May 19, 2019, 8 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A N/A 1.4 μg/m3 (6) 32.0
 
May 19, 2019, 7 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) N/A N/A 1.8 μg/m3 (8) 30.0
 
May 19, 2019, 6 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) N/A N/A 1.4 μg/m3 (6) 32.0
 
May 19, 2019, 5 a.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (34) N/A N/A 1.3 μg/m3 (5) 34.0
 
May 19, 2019, 4 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) N/A N/A 1.5 μg/m3 (6) 32.0
 
May 19, 2019, 3 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 42.0 ppb (32) N/A N/A 1.5 μg/m3 (6) 32.0
 
May 19, 2019, 2 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A 3.1 μg/m3 (13) 35.0
 
May 19, 2019, 1 a.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (34) N/A N/A 3.4 μg/m3 (14) 34.0
 
May 19, 2019, midnight 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A N/A 1.4 μg/m3 (6) 33.0
 
May 18, 2019, 11 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A N/A 0.9 μg/m3 (4) 33.0
 
May 18, 2019, 10 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A N/A 0.7 μg/m3 (3) 33.0
 
May 18, 2019, 9 p.m. 3.0 ppb (3) 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A N/A 0.5 μg/m3 (2) 32.0
 
May 18, 2019, 8 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A N/A 0.4 μg/m3 (2) 32.0
 
May 18, 2019, 7 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A N/A 0.2 μg/m3 (1) 32.0
 
May 18, 2019, 6 p.m. 2.0 ppb (2) 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A N/A 0.3 μg/m3 (1) 33.0
 
May 18, 2019, 5 p.m. 3.0 ppb (3) 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) N/A N/A 0.5 μg/m3 (2) 32.0
 
May 18, 2019, 4 p.m. 5.0 ppb (5) 3.0 ppb (3) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) N/A N/A 1.0 μg/m3 (4) 28.0
 
May 18, 2019, 3 p.m. 5.0 ppb (5) 4.0 ppb (4) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) N/A N/A 0.8 μg/m3 (3) 22.0
 
May 18, 2019, 2 p.m. 8.0 ppb (7) 5.0 ppb (5) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) N/A N/A 1.3 μg/m3 (5) 16.0
 
May 18, 2019, 1 p.m. 7.0 ppb (6) 3.0 ppb (3) N/A 4.0 ppb (4) N/A N/A 13.0 ppb (10) N/A N/A 1.7 μg/m3 (7) 10.0
 
May 18, 2019, noon 6.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 9.0 ppb (7) N/A N/A 2.0 μg/m3 (8) 8.0
 
May 18, 2019, 11 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 1.3 μg/m3 (5) 5.0
 
May 18, 2019, 10 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 16.0 ppb (12) N/A N/A 1.9 μg/m3 (8) 12.0
 
May 18, 2019, 9 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) N/A N/A 1.1 μg/m3 (5) 20.0
 
May 18, 2019, 8 a.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) N/A N/A 0.8 μg/m3 (3) 20.0
 
May 18, 2019, 7 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (23) N/A N/A 0.7 μg/m3 (3) 23.0
 
May 18, 2019, 6 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) N/A N/A 1.8 μg/m3 (8) 21.0
 
May 18, 2019, 5 a.m. 8.0 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 27.0 ppb (21) N/A N/A 1.6 μg/m3 (7) 21.0
 
May 18, 2019, 4 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) N/A N/A 0.9 μg/m3 (4) 28.0
 
May 18, 2019, 3 a.m. 7.0 ppb (6) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) N/A N/A 1.9 μg/m3 (8) 26.0
 
May 18, 2019, 2 a.m. 4.0 ppb (4) 2.0 ppb (2) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) N/A N/A 1.2 μg/m3 (5) 32.0
 
May 18, 2019, 1 a.m. 9.0 ppb (8) 4.0 ppb (4) N/A 5.0 ppb (5) N/A N/A 42.0 ppb (32) N/A N/A 1.1 μg/m3 (5) 32.0
 
May 18, 2019, midnight 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) N/A N/A 1.6 μg/m3 (7) 38.0
 
May 17, 2019, 11 p.m. 1.0 ppb (1) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) N/A N/A 0.9 μg/m3 (4) 35.0
 
May 17, 2019, 10 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A N/A 0.8 μg/m3 (3) 37.0
 
May 17, 2019, 9 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) N/A N/A 0.8 μg/m3 (3) 36.0
 
May 17, 2019, 8 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A 1.2 μg/m3 (5) 35.0
 
May 17, 2019, 7 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) N/A N/A 1.8 μg/m3 (8) 36.0
 
May 17, 2019, 6 p.m. 1.0 ppb (1) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A N/A 1.9 μg/m3 (8) 37.0
 
May 17, 2019, 5 p.m. 5.0 ppb (5) 2.0 ppb (2) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (35) N/A N/A 1.6 μg/m3 (7) 35.0
 
May 17, 2019, 4 p.m. 4.0 ppb (4) 2.0 ppb (2) N/A 3.0 ppb (3) N/A N/A 48.0 ppb (37) N/A N/A 1.7 μg/m3 (7) 37.0
 
May 17, 2019, 3 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) N/A N/A 1.9 μg/m3 (8) 36.0
 
May 17, 2019, 2 p.m. 12.0 ppb (11) 5.0 ppb (5) N/A 7.0 ppb (6) N/A N/A 29.0 ppb (22) N/A N/A 3.9 μg/m3 (16) 22.0
 
May 17, 2019, 1 p.m. 16.0 ppb (15) 7.0 ppb (6) N/A 9.0 ppb (8) N/A N/A 22.0 ppb (17) N/A N/A 3.6 μg/m3 (15) 17.0
 
May 17, 2019, noon 21.0 ppb (19) 10.0 ppb (9) N/A 11.0 ppb (10) N/A N/A 26.0 ppb (20) N/A N/A 2.9 μg/m3 (12) 20.0
 
May 17, 2019, 11 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) N/A N/A 2.5 μg/m3 (10) 28.0
 
May 17, 2019, 10 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) N/A N/A 2.5 μg/m3 (10) 30.0
 
May 17, 2019, 9 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 47.0 ppb (36) N/A N/A 3.0 μg/m3 (12) 36.0
 
May 17, 2019, 8 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (36) N/A N/A 3.8 μg/m3 (16) 36.0
 
May 17, 2019, 7 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) N/A N/A 3.0 μg/m3 (12) 29.0
 
May 17, 2019, 6 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (29) N/A N/A 2.1 μg/m3 (9) 29.0
 
May 17, 2019, 5 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A N/A 1.9 μg/m3 (8) 33.0
 
May 17, 2019, 4 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) N/A N/A 2.3 μg/m3 (10) 36.0
 
May 17, 2019, 3 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) N/A N/A 2.2 μg/m3 (9) 36.0