AQSQID: 490353010

Site Name: Rose Park

Location: Salt Lake City (Rose Park), UT

Reporting: True, Located: True

Current AQI: 20.0

Salt Lake City (Rose Park) UT, US: 40.7955, -111.9309

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Dec. 7, 2019, 4 p.m. 22.0 ppb (20) 8.1 ppb (8) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 12.0 ppb (9) 0.1 ppb (1) N/A 6.2 μg/m3 (26) 26.0
 
Dec. 7, 2019, 3 p.m. 23.7 ppb (22) 6.2 ppb (6) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 9.0 ppb (7) 0.1 ppb (1) N/A 5.2 μg/m3 (22) 22.0
 
Dec. 7, 2019, 2 p.m. 25.6 ppb (24) 2.5 ppb (2) N/A 23.0 ppb (21) N/A 0.0 ppb (0) 6.0 ppb (5) 0.1 ppb (1) N/A 4.3 μg/m3 (18) 24.0
 
Dec. 7, 2019, 1 p.m. 19.9 ppb (18) 1.2 ppb (1) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 8.0 ppb (6) 0.1 ppb (1) N/A 3.9 μg/m3 (16) 18.0
 
Dec. 7, 2019, noon 22.5 ppb (21) 1.2 ppb (1) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 6.0 ppb (5) 0.1 ppb (1) N/A 5.1 μg/m3 (21) 21.0
 
Dec. 7, 2019, 11 a.m. 15.3 ppb (14) 0.4 ppb (0) N/A 15.0 ppb (14) N/A N/A 13.0 ppb (10) 0.1 ppb (1) N/A 7.2 μg/m3 (30) 30.0
 
Dec. 7, 2019, 10 a.m. 17.9 ppb (17) 0.9 ppb (1) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 11.0 ppb (8) 0.1 ppb (1) N/A 6.7 μg/m3 (28) 28.0
 
Dec. 7, 2019, 9 a.m. 16.9 ppb (16) 0.7 ppb (1) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 12.0 ppb (9) 0.1 ppb (1) N/A 6.5 μg/m3 (27) 27.0
 
Dec. 7, 2019, 8 a.m. 19.0 ppb (18) 0.6 ppb (1) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 10.0 ppb (8) 0.1 ppb (1) N/A 5.4 μg/m3 (23) 23.0
 
Dec. 7, 2019, 7 a.m. 28.2 ppb (26) 3.4 ppb (3) N/A 25.0 ppb (23) N/A 0.0 ppb (0) 6.0 ppb (5) 0.2 ppb (2) N/A 7.5 μg/m3 (31) 31.0
 
Dec. 7, 2019, 6 a.m. 41.8 ppb (39) 11.0 ppb (10) N/A 30.0 ppb (28) N/A 0.0 ppb (0) 5.0 ppb (4) 0.3 ppb (3) N/A 10.1 μg/m3 (42) 42.0
 
Dec. 7, 2019, 5 a.m. 55.3 ppb (51) 21.4 ppb (20) N/A 34.0 ppb (31) N/A 0.0 ppb (0) 2.0 ppb (2) 0.4 ppb (4) N/A 14.8 μg/m3 (56) 56.0
 
Dec. 7, 2019, 4 a.m. 37.2 ppb (34) 5.4 ppb (5) N/A 31.0 ppb (29) N/A 0.0 ppb (0) 3.0 ppb (2) 0.2 ppb (2) N/A 18.4 μg/m3 (64) 64.0
 
Dec. 7, 2019, 3 a.m. 28.6 ppb (26) 0.6 ppb (1) N/A 28.0 ppb (26) N/A 0.0 ppb (0) 9.0 ppb (7) 0.1 ppb (1) N/A 14.8 μg/m3 (56) 56.0
 
Dec. 7, 2019, 2 a.m. 27.5 ppb (25) 0.8 ppb (1) N/A 26.0 ppb (24) N/A 0.0 ppb (0) 10.0 ppb (8) 0.1 ppb (1) N/A 17.0 μg/m3 (61) 61.0
 
Dec. 7, 2019, 1 a.m. 27.6 ppb (26) 0.7 ppb (1) N/A 27.0 ppb (25) N/A 0.0 ppb (0) 10.0 ppb (8) 0.1 ppb (1) N/A 20.1 μg/m3 (67) 67.0
 
Dec. 7, 2019, midnight 22.9 ppb (21) 0.6 ppb (1) N/A 22.0 ppb (20) N/A 0.0 ppb (0) 14.0 ppb (11) 0.1 ppb (1) N/A 23.0 μg/m3 (73) 73.0
 
Dec. 6, 2019, 11 p.m. 27.5 ppb (25) 4.4 ppb (4) N/A 23.0 ppb (21) N/A 0.0 ppb (0) 12.0 ppb (9) 0.1 ppb (1) N/A 20.3 μg/m3 (68) 68.0
 
Dec. 6, 2019, 10 p.m. 36.2 ppb (34) 12.2 ppb (11) N/A 24.0 ppb (22) N/A 0.0 ppb (0) 12.0 ppb (9) 0.2 ppb (2) N/A 25.1 μg/m3 (78) 78.0
 
Dec. 6, 2019, 9 p.m. 53.0 ppb (49) 22.2 ppb (21) N/A 31.0 ppb (29) N/A 1.0 ppb (1) 16.0 ppb (12) 0.2 ppb (2) N/A 28.7 μg/m3 (86) 86.0
 
Dec. 6, 2019, 8 p.m. 72.6 ppb (70) 35.8 ppb (33) N/A 37.0 ppb (34) N/A 1.0 ppb (1) 16.0 ppb (12) 0.3 ppb (3) N/A 29.1 μg/m3 (86) 86.0
 
Dec. 6, 2019, 7 p.m. 75.7 ppb (73) 42.8 ppb (40) N/A 33.0 ppb (31) N/A 1.0 ppb (1) 14.0 ppb (11) 0.4 ppb (4) N/A 25.6 μg/m3 (79) 79.0
 
Dec. 6, 2019, 6 p.m. 63.2 ppb (60) 36.7 ppb (34) N/A 26.0 ppb (24) N/A 1.0 ppb (1) 13.0 ppb (10) 0.4 ppb (4) N/A 20.9 μg/m3 (69) 69.0
 
Dec. 6, 2019, 5 p.m. 89.2 ppb (87) 59.5 ppb (56) N/A 29.0 ppb (27) N/A 1.0 ppb (1) 10.0 ppb (8) 0.6 ppb (7) N/A N/A 87.0
 
Dec. 6, 2019, 4 p.m. 113.3 ppb (102) 81.1 ppb (79) N/A 32.0 ppb (30) N/A 1.0 ppb (1) 5.0 ppb (4) 0.7 ppb (8) N/A 35.0 μg/m3 (99) 102.0
 
Dec. 6, 2019, 3 p.m. 52.5 ppb (49) 25.3 ppb (23) N/A 27.0 ppb (25) N/A 0.0 ppb (0) 3.0 ppb (2) 0.3 ppb (3) N/A 26.6 μg/m3 (81) 81.0
 
Dec. 6, 2019, 2 p.m. 42.5 ppb (39) 16.3 ppb (15) N/A 26.0 ppb (24) N/A 0.0 ppb (0) 3.0 ppb (2) 0.2 ppb (2) N/A 21.4 μg/m3 (70) 70.0
 
Dec. 6, 2019, 1 p.m. 43.1 ppb (40) 19.6 ppb (18) N/A 23.0 ppb (21) N/A 0.0 ppb (0) 3.0 ppb (2) 0.2 ppb (2) N/A 18.0 μg/m3 (63) 63.0
 
Dec. 6, 2019, noon 39.3 ppb (36) 16.5 ppb (15) N/A 22.0 ppb (20) N/A 0.0 ppb (0) 3.0 ppb (2) 0.2 ppb (2) N/A 17.4 μg/m3 (61) 61.0
 
Dec. 6, 2019, 11 a.m. 27.0 ppb (25) 6.0 ppb (6) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 2.0 ppb (2) 0.2 ppb (2) N/A 17.0 μg/m3 (61) 61.0
 
Dec. 6, 2019, 10 a.m. 24.8 ppb (23) 4.6 ppb (4) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 3.0 ppb (2) 0.1 ppb (1) N/A 16.6 μg/m3 (60) 60.0
 
Dec. 6, 2019, 9 a.m. 22.8 ppb (21) 4.7 ppb (4) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 3.0 ppb (2) 0.1 ppb (1) N/A 17.8 μg/m3 (62) 62.0
 
Dec. 6, 2019, 8 a.m. 28.1 ppb (26) 7.2 ppb (7) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 3.0 ppb (2) 0.1 ppb (1) N/A 25.6 μg/m3 (79) 79.0
 
Dec. 6, 2019, 7 a.m. 38.3 ppb (35) 13.7 ppb (13) N/A 24.0 ppb (22) N/A 0.0 ppb (0) 2.0 ppb (2) 0.2 ppb (2) N/A 32.5 μg/m3 (94) 94.0
 
Dec. 6, 2019, 6 a.m. 30.3 ppb (28) 8.9 ppb (8) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 3.0 ppb (2) 0.1 ppb (1) N/A 33.7 μg/m3 (96) 96.0
 
Dec. 6, 2019, 5 a.m. 21.0 ppb (19) 4.1 ppb (4) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 3.0 ppb (2) 0.1 ppb (1) N/A 28.6 μg/m3 (85) 85.0
 
Dec. 6, 2019, 4 a.m. 18.4 ppb (17) 3.8 ppb (4) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 5.0 ppb (4) 0.1 ppb (1) N/A 19.4 μg/m3 (66) 66.0
 
Dec. 6, 2019, 3 a.m. 49.1 ppb (45) 23.0 ppb (21) N/A 26.0 ppb (24) N/A 0.0 ppb (0) 2.0 ppb (2) 0.3 ppb (3) N/A 31.5 μg/m3 (91) 91.0
 
Dec. 6, 2019, 2 a.m. 34.1 ppb (32) 8.5 ppb (8) N/A 25.0 ppb (23) N/A 0.0 ppb (0) 2.0 ppb (2) 0.2 ppb (2) N/A 30.2 μg/m3 (89) 89.0
 
Dec. 6, 2019, 1 a.m. 21.0 ppb (19) 2.0 ppb (2) N/A 19.0 ppb (18) N/A -1.0 ppb (0) 6.0 ppb (5) 0.1 ppb (1) N/A 25.2 μg/m3 (78) 78.0
 
Dec. 6, 2019, midnight 19.2 ppb (18) 1.4 ppb (1) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 12.0 ppb (9) 0.1 ppb (1) N/A 27.4 μg/m3 (83) 83.0
 
Dec. 5, 2019, 11 p.m. 20.0 ppb (19) 2.2 ppb (2) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 13.0 ppb (10) 0.1 ppb (1) N/A 21.5 μg/m3 (70) 70.0
 
Dec. 5, 2019, 10 p.m. 24.1 ppb (22) 4.4 ppb (4) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 13.0 ppb (10) 0.1 ppb (1) N/A 29.2 μg/m3 (87) 87.0
 
Dec. 5, 2019, 9 p.m. 26.4 ppb (24) 5.3 ppb (5) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 16.0 ppb (12) 0.1 ppb (1) N/A 22.3 μg/m3 (72) 72.0
 
Dec. 5, 2019, 8 p.m. 21.0 ppb (19) 4.0 ppb (4) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 22.0 ppb (17) 0.1 ppb (1) N/A 21.2 μg/m3 (70) 70.0
 
Dec. 5, 2019, 7 p.m. 35.4 ppb (33) 10.0 ppb (9) N/A 25.0 ppb (23) N/A 0.0 ppb (0) 15.0 ppb (12) 0.1 ppb (1) N/A 21.8 μg/m3 (71) 71.0
 
Dec. 5, 2019, 6 p.m. 58.3 ppb (55) 23.7 ppb (22) N/A 34.0 ppb (31) N/A 0.0 ppb (0) 7.0 ppb (5) 0.3 ppb (3) N/A 23.9 μg/m3 (75) 75.0
 
Dec. 5, 2019, 5 p.m. 45.4 ppb (42) 16.0 ppb (15) N/A 29.0 ppb (27) N/A 0.0 ppb (0) 10.0 ppb (8) 0.2 ppb (2) N/A 25.1 μg/m3 (78) 78.0
 
Dec. 5, 2019, 4 p.m. 45.7 ppb (42) 15.2 ppb (14) N/A 30.0 ppb (28) N/A 0.0 ppb (0) 8.0 ppb (6) 0.2 ppb (2) N/A 24.7 μg/m3 (77) 77.0
 
Dec. 5, 2019, 3 p.m. 38.1 ppb (35) 7.2 ppb (7) N/A 31.0 ppb (29) N/A 0.0 ppb (0) 7.0 ppb (5) 0.2 ppb (2) N/A 25.1 μg/m3 (78) 78.0
 
Dec. 5, 2019, 2 p.m. 45.1 ppb (42) 7.7 ppb (7) N/A 37.0 ppb (34) N/A 0.0 ppb (0) 4.0 ppb (3) 0.2 ppb (2) N/A 34.3 μg/m3 (97) 97.0
 
Dec. 5, 2019, 1 p.m. 50.0 ppb (46) 10.0 ppb (9) N/A 40.0 ppb (37) N/A 0.0 ppb (0) 2.0 ppb (2) 0.3 ppb (3) N/A 35.9 μg/m3 (101) 101.0
 
Dec. 5, 2019, noon 48.8 ppb (45) 6.6 ppb (6) N/A 42.0 ppb (39) N/A 0.0 ppb (0) 3.0 ppb (2) 0.3 ppb (3) N/A 40.7 μg/m3 (113) 113.0
 
Dec. 5, 2019, 11 a.m. 47.2 ppb (44) 4.3 ppb (4) N/A 43.0 ppb (40) N/A 0.0 ppb (0) 3.0 ppb (2) 0.2 ppb (2) N/A 43.5 μg/m3 (120) 120.0
 
Dec. 5, 2019, 10 a.m. 31.4 ppb (29) 1.5 ppb (1) N/A 30.0 ppb (28) N/A 0.0 ppb (0) 11.0 ppb (8) 0.2 ppb (2) N/A 38.8 μg/m3 (108) 108.0
 
Dec. 5, 2019, 9 a.m. 29.0 ppb (27) 0.7 ppb (1) N/A 28.0 ppb (26) N/A 0.0 ppb (0) 11.0 ppb (8) 0.1 ppb (1) N/A 43.9 μg/m3 (121) 121.0
 
Dec. 5, 2019, 8 a.m. 41.3 ppb (38) 2.5 ppb (2) N/A 39.0 ppb (36) N/A 0.0 ppb (0) 4.0 ppb (3) 0.2 ppb (2) N/A 50.1 μg/m3 (136) 136.0
 
Dec. 5, 2019, 7 a.m. 49.9 ppb (46) 8.0 ppb (7) N/A 42.0 ppb (39) N/A 0.0 ppb (0) 2.0 ppb (2) 0.3 ppb (3) N/A 50.4 μg/m3 (137) 137.0
 
Dec. 5, 2019, 6 a.m. 47.0 ppb (44) 5.1 ppb (5) N/A 42.0 ppb (39) N/A 0.0 ppb (0) 2.0 ppb (2) 0.3 ppb (3) N/A 50.1 μg/m3 (136) 136.0
 
Dec. 5, 2019, 5 a.m. 41.7 ppb (39) 2.5 ppb (2) N/A 39.0 ppb (36) N/A 0.0 ppb (0) 5.0 ppb (4) 0.3 ppb (3) N/A 49.9 μg/m3 (136) 136.0
 
Dec. 5, 2019, 4 a.m. 30.6 ppb (28) 1.2 ppb (1) N/A 29.0 ppb (27) N/A 0.0 ppb (0) 14.0 ppb (11) 0.2 ppb (2) N/A 44.1 μg/m3 (122) 122.0
 
Dec. 5, 2019, 3 a.m. 23.3 ppb (22) 0.5 ppb (0) N/A 23.0 ppb (21) N/A 0.0 ppb (0) 20.0 ppb (15) 0.1 ppb (1) N/A 37.5 μg/m3 (105) 105.0
 
Dec. 5, 2019, 2 a.m. 23.4 ppb (22) 0.6 ppb (1) N/A 23.0 ppb (21) N/A 0.0 ppb (0) 21.0 ppb (16) 0.1 ppb (1) N/A 32.0 μg/m3 (93) 93.0
 
Dec. 5, 2019, 1 a.m. 25.6 ppb (24) 0.6 ppb (1) N/A 25.0 ppb (23) N/A 0.0 ppb (0) 19.0 ppb (15) 0.1 ppb (1) N/A 37.2 μg/m3 (104) 104.0
 
Dec. 5, 2019, midnight 33.6 ppb (31) 1.1 ppb (1) N/A 32.0 ppb (30) N/A 0.0 ppb (0) 15.0 ppb (12) 0.2 ppb (2) N/A 39.0 μg/m3 (109) 109.0
 
Dec. 4, 2019, 11 p.m. 30.7 ppb (28) 2.5 ppb (2) N/A 28.0 ppb (26) N/A 0.0 ppb (0) 19.0 ppb (15) 0.1 ppb (1) N/A 40.6 μg/m3 (113) 113.0
 
Dec. 4, 2019, 10 p.m. 25.4 ppb (24) 4.0 ppb (4) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 25.0 ppb (19) 0.1 ppb (1) N/A 36.9 μg/m3 (104) 104.0
 
Dec. 4, 2019, 9 p.m. 27.5 ppb (25) 5.6 ppb (5) N/A 22.0 ppb (20) N/A 0.0 ppb (0) 24.0 ppb (18) 0.1 ppb (1) N/A 39.6 μg/m3 (110) 110.0
 
Dec. 4, 2019, 8 p.m. 16.9 ppb (16) 3.1 ppb (3) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 27.0 ppb (21) 0.1 ppb (1) N/A 36.4 μg/m3 (102) 102.0
 
Dec. 4, 2019, 7 p.m. 17.5 ppb (16) 4.4 ppb (4) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 28.0 ppb (22) 0.1 ppb (1) N/A 37.9 μg/m3 (106) 106.0
 
Dec. 4, 2019, 6 p.m. 45.9 ppb (42) 18.1 ppb (17) N/A 27.0 ppb (25) N/A 1.0 ppb (1) 19.0 ppb (15) 0.2 ppb (2) N/A 47.5 μg/m3 (130) 130.0
 
Dec. 4, 2019, 5 p.m. 37.2 ppb (34) 13.4 ppb (12) N/A 23.0 ppb (21) N/A 0.0 ppb (0) 17.0 ppb (13) 0.2 ppb (2) N/A 52.8 μg/m3 (143) 143.0
 
Dec. 4, 2019, 4 p.m. 59.5 ppb (56) 33.1 ppb (31) N/A 26.0 ppb (24) N/A 0.0 ppb (0) 10.0 ppb (8) 0.3 ppb (3) N/A 30.2 μg/m3 (89) 89.0
 
Dec. 4, 2019, 3 p.m. 118.2 ppb (103) 78.7 ppb (76) N/A 40.0 ppb (37) N/A 1.0 ppb (1) 4.0 ppb (3) 0.7 ppb (8) N/A 22.2 μg/m3 (72) 103.0
 
Dec. 4, 2019, 2 p.m. 107.0 ppb (101) 62.0 ppb (59) N/A 45.0 ppb (42) N/A 1.0 ppb (1) 4.0 ppb (3) 0.7 ppb (8) N/A 27.7 μg/m3 (83) 101.0
 
Dec. 4, 2019, 1 p.m. 111.4 ppb (102) 69.1 ppb (66) N/A 42.0 ppb (39) N/A 1.0 ppb (1) 4.0 ppb (3) 0.6 ppb (7) N/A 35.5 μg/m3 (100) 102.0
 
Dec. 4, 2019, noon 99.4 ppb (98) 56.9 ppb (53) N/A 42.0 ppb (39) N/A 1.0 ppb (1) 3.0 ppb (2) 0.5 ppb (6) N/A 36.2 μg/m3 (102) 102.0
 
Dec. 4, 2019, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 3.0 ppb (2) 0.4 ppb (4) N/A 35.3 μg/m3 (100) 100.0
 
Dec. 4, 2019, 10 a.m. 73.6 ppb (71) 31.5 ppb (29) N/A 42.0 ppb (39) N/A 0.0 ppb (0) 3.0 ppb (2) 0.4 ppb (4) N/A 34.5 μg/m3 (98) 98.0
 
Dec. 4, 2019, 9 a.m. 70.6 ppb (68) 28.1 ppb (26) N/A 42.0 ppb (39) N/A 0.0 ppb (0) 3.0 ppb (2) 0.4 ppb (4) N/A 34.6 μg/m3 (98) 98.0
 
Dec. 4, 2019, 8 a.m. 77.1 ppb (75) 33.8 ppb (31) N/A 43.0 ppb (40) N/A 1.0 ppb (1) 3.0 ppb (2) 0.4 ppb (4) N/A 34.1 μg/m3 (97) 97.0
 
Dec. 4, 2019, 7 a.m. 43.2 ppb (40) 5.5 ppb (5) N/A 37.0 ppb (34) N/A 0.0 ppb (0) 6.0 ppb (5) 0.3 ppb (3) N/A 31.0 μg/m3 (90) 90.0
 
Dec. 4, 2019, 6 a.m. 33.8 ppb (31) 1.7 ppb (2) N/A 32.0 ppb (30) N/A 0.0 ppb (0) 11.0 ppb (8) 0.3 ppb (3) N/A 27.5 μg/m3 (83) 83.0
 
Dec. 4, 2019, 5 a.m. 43.0 ppb (40) 8.7 ppb (8) N/A 34.0 ppb (31) N/A 0.0 ppb (0) 4.0 ppb (3) 0.3 ppb (3) N/A 31.9 μg/m3 (92) 92.0
 
Dec. 4, 2019, 4 a.m. 46.8 ppb (43) 12.9 ppb (12) N/A 34.0 ppb (31) N/A 0.0 ppb (0) 3.0 ppb (2) 0.3 ppb (3) N/A 33.3 μg/m3 (95) 95.0
 
Dec. 4, 2019, 3 a.m. 33.5 ppb (31) 7.0 ppb (6) N/A 26.0 ppb (24) N/A 0.0 ppb (0) 4.0 ppb (3) 0.2 ppb (2) N/A 32.3 μg/m3 (93) 93.0
 
Dec. 4, 2019, 2 a.m. 22.6 ppb (21) 7.0 ppb (6) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 3.0 ppb (2) 0.1 ppb (1) N/A 35.1 μg/m3 (99) 99.0
 
Dec. 4, 2019, 1 a.m. 25.8 ppb (24) 6.0 ppb (6) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 3.0 ppb (2) 0.2 ppb (2) N/A 35.6 μg/m3 (100) 100.0
 
Dec. 4, 2019, midnight 28.9 ppb (27) 4.9 ppb (5) N/A 24.0 ppb (22) N/A 0.0 ppb (0) 6.0 ppb (5) 0.2 ppb (2) N/A 34.0 μg/m3 (97) 97.0
 
Dec. 3, 2019, 11 p.m. 14.9 ppb (14) 1.0 ppb (1) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 28.0 ppb (22) 0.1 ppb (1) N/A 28.6 μg/m3 (85) 85.0
 
Dec. 3, 2019, 10 p.m. 13.1 ppb (12) 1.4 ppb (1) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 38.0 ppb (29) 0.1 ppb (1) N/A 21.5 μg/m3 (70) 70.0
 
Dec. 3, 2019, 9 p.m. 23.3 ppb (22) 4.9 ppb (5) N/A 18.0 ppb (17) N/A 1.0 ppb (1) 39.0 ppb (30) 0.1 ppb (1) N/A 22.8 μg/m3 (73) 73.0
 
Dec. 3, 2019, 8 p.m. 35.6 ppb (33) 10.6 ppb (10) N/A 25.0 ppb (23) N/A 3.0 ppb (4) 37.0 ppb (28) 0.2 ppb (2) N/A 27.6 μg/m3 (83) 83.0
 
Dec. 3, 2019, 7 p.m. 38.0 ppb (35) 13.3 ppb (12) N/A 24.0 ppb (22) N/A 3.0 ppb (4) 32.0 ppb (25) 0.2 ppb (2) N/A 32.0 μg/m3 (93) 93.0
 
Dec. 3, 2019, 6 p.m. 26.7 ppb (25) 8.8 ppb (8) N/A 18.0 ppb (17) N/A 1.0 ppb (1) 29.0 ppb (22) 0.1 ppb (1) N/A 36.2 μg/m3 (102) 102.0
 
Dec. 3, 2019, 5 p.m. 33.1 ppb (31) 12.0 ppb (11) N/A 21.0 ppb (19) N/A 1.0 ppb (1) 25.0 ppb (19) 0.1 ppb (1) N/A 37.4 μg/m3 (105) 105.0
 
Dec. 3, 2019, 4 p.m. 76.8 ppb (74) 39.0 ppb (36) N/A 38.0 ppb (35) N/A 1.0 ppb (1) 11.0 ppb (8) 0.4 ppb (4) N/A 33.4 μg/m3 (96) 96.0
 
Dec. 3, 2019, 3 p.m. 62.4 ppb (59) 24.9 ppb (23) N/A 37.0 ppb (34) N/A 0.0 ppb (0) 7.0 ppb (5) 0.3 ppb (3) N/A 28.5 μg/m3 (85) 85.0
 
Dec. 3, 2019, 2 p.m. 71.5 ppb (69) 27.9 ppb (26) N/A 43.0 ppb (40) N/A 0.0 ppb (0) 1.0 ppb (1) 0.4 ppb (4) N/A 27.6 μg/m3 (83) 83.0
 
Dec. 3, 2019, 1 p.m. 58.1 ppb (54) 14.9 ppb (14) N/A 43.0 ppb (40) N/A 0.0 ppb (0) 1.0 ppb (1) 0.3 ppb (3) N/A 28.1 μg/m3 (84) 84.0
 
Dec. 3, 2019, noon 39.9 ppb (37) 4.9 ppb (5) N/A 35.0 ppb (32) N/A 0.0 ppb (0) 6.0 ppb (5) 0.3 ppb (3) N/A 27.9 μg/m3 (84) 84.0
 
Dec. 3, 2019, 11 a.m. 24.8 ppb (23) 0.7 ppb (1) N/A 24.0 ppb (22) N/A 0.0 ppb (0) 15.0 ppb (12) N/A N/A 28.0 μg/m3 (84) 84.0
 
Dec. 3, 2019, 10 a.m. 19.9 ppb (18) 0.6 ppb (1) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 20.0 ppb (15) 0.1 ppb (1) N/A 27.2 μg/m3 (82) 82.0
 
Dec. 3, 2019, 9 a.m. 21.7 ppb (20) 0.8 ppb (1) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 18.0 ppb (14) 0.1 ppb (1) N/A 28.1 μg/m3 (84) 84.0
 
Dec. 3, 2019, 8 a.m. 18.4 ppb (17) 0.7 ppb (1) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 21.0 ppb (16) 0.1 ppb (1) N/A 28.6 μg/m3 (85) 85.0
 
Dec. 3, 2019, 7 a.m. 20.3 ppb (19) 0.4 ppb (0) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 20.0 ppb (15) 0.1 ppb (1) N/A 27.4 μg/m3 (83) 83.0
 
Dec. 3, 2019, 6 a.m. 31.9 ppb (30) 0.8 ppb (1) N/A 31.0 ppb (29) N/A 0.0 ppb (0) 13.0 ppb (10) 0.2 ppb (2) N/A 25.1 μg/m3 (78) 78.0
 
Dec. 3, 2019, 5 a.m. 40.5 ppb (38) 1.8 ppb (2) N/A 38.0 ppb (35) N/A 0.0 ppb (0) 7.0 ppb (5) 0.2 ppb (2) N/A 25.8 μg/m3 (79) 79.0
 
Dec. 3, 2019, 4 a.m. 52.2 ppb (48) 8.3 ppb (8) N/A 44.0 ppb (41) N/A 0.0 ppb (0) 2.0 ppb (2) 0.3 ppb (3) N/A 24.7 μg/m3 (77) 77.0
 
Dec. 3, 2019, 3 a.m. 50.0 ppb (46) 5.2 ppb (5) N/A 45.0 ppb (42) N/A 0.0 ppb (0) 2.0 ppb (2) 0.4 ppb (4) N/A 23.6 μg/m3 (75) 75.0
 
Dec. 3, 2019, 2 a.m. 44.2 ppb (41) 4.0 ppb (4) N/A 40.0 ppb (37) N/A 0.0 ppb (0) 5.0 ppb (4) 0.3 ppb (3) N/A 21.4 μg/m3 (70) 70.0
 
Dec. 3, 2019, 1 a.m. 24.8 ppb (23) 0.5 ppb (0) N/A 24.0 ppb (22) N/A 0.0 ppb (0) 18.0 ppb (14) 0.2 ppb (2) N/A 18.8 μg/m3 (64) 64.0
 
Dec. 3, 2019, midnight 18.0 ppb (17) 0.7 ppb (1) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 25.0 ppb (19) 0.1 ppb (1) N/A 19.4 μg/m3 (66) 66.0
 
Dec. 2, 2019, 11 p.m. 18.1 ppb (17) 1.5 ppb (1) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 27.0 ppb (21) 0.1 ppb (1) N/A 19.0 μg/m3 (65) 65.0
 
Dec. 2, 2019, 10 p.m. 11.8 ppb (11) 1.6 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 35.0 ppb (27) 0.1 ppb (1) N/A 20.3 μg/m3 (68) 68.0
 
Dec. 2, 2019, 9 p.m. 14.9 ppb (14) 3.1 ppb (3) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 33.0 ppb (25) 0.1 ppb (1) N/A 21.4 μg/m3 (70) 70.0
 
Dec. 2, 2019, 8 p.m. 16.5 ppb (15) 4.4 ppb (4) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 35.0 ppb (27) 0.1 ppb (1) N/A 17.5 μg/m3 (62) 62.0
 
Dec. 2, 2019, 7 p.m. 24.8 ppb (23) 7.7 ppb (7) N/A 17.0 ppb (16) N/A 1.0 ppb (1) 27.0 ppb (21) 0.1 ppb (1) N/A 25.4 μg/m3 (79) 79.0
 
Dec. 2, 2019, 6 p.m. 24.9 ppb (23) 8.3 ppb (8) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 26.0 ppb (20) 0.1 ppb (1) N/A 26.7 μg/m3 (81) 81.0
 
Dec. 2, 2019, 5 p.m. 24.5 ppb (23) 7.2 ppb (7) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 27.0 ppb (21) 0.1 ppb (1) N/A 21.0 μg/m3 (69) 69.0
 
Dec. 2, 2019, 4 p.m. 31.4 ppb (29) 9.5 ppb (9) N/A 22.0 ppb (20) N/A 0.0 ppb (0) 22.0 ppb (17) 0.1 ppb (1) N/A 20.5 μg/m3 (68) 68.0
 
Dec. 2, 2019, 3 p.m. 54.9 ppb (51) 19.2 ppb (18) N/A 35.0 ppb (32) N/A 0.0 ppb (0) 11.0 ppb (8) 0.3 ppb (3) N/A 21.0 μg/m3 (69) 69.0
 
Dec. 2, 2019, 2 p.m. 67.1 ppb (64) 23.7 ppb (22) N/A 43.0 ppb (40) N/A 0.0 ppb (0) 4.0 ppb (3) 0.4 ppb (4) N/A 21.8 μg/m3 (71) 71.0
 
Dec. 2, 2019, 1 p.m. 65.2 ppb (62) 21.3 ppb (20) N/A 44.0 ppb (41) N/A 0.0 ppb (0) 2.0 ppb (2) 0.3 ppb (3) N/A 21.7 μg/m3 (71) 71.0
 
Dec. 2, 2019, noon 41.2 ppb (38) 6.3 ppb (6) N/A 35.0 ppb (32) N/A 0.0 ppb (0) 6.0 ppb (5) 0.2 ppb (2) N/A 20.5 μg/m3 (68) 68.0
 
Dec. 2, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.1 ppb (1) N/A 17.4 μg/m3 (61) 61.0
 
Dec. 2, 2019, 10 a.m. 25.8 ppb (24) 1.3 ppb (1) N/A 24.0 ppb (22) N/A 0.0 ppb (0) 15.0 ppb (12) 0.2 ppb (2) N/A 18.2 μg/m3 (63) 63.0
 
Dec. 2, 2019, 9 a.m. 43.6 ppb (40) 6.6 ppb (6) N/A 37.0 ppb (34) N/A 0.0 ppb (0) 4.0 ppb (3) 0.2 ppb (2) N/A 17.9 μg/m3 (63) 63.0
 
Dec. 2, 2019, 8 a.m. 42.6 ppb (39) 4.4 ppb (4) N/A 38.0 ppb (35) N/A 0.0 ppb (0) 4.0 ppb (3) 0.2 ppb (2) N/A 16.3 μg/m3 (59) 59.0
 
Dec. 2, 2019, 7 a.m. 48.3 ppb (45) 6.4 ppb (6) N/A 42.0 ppb (39) N/A 0.0 ppb (0) 3.0 ppb (2) 0.3 ppb (3) N/A 16.4 μg/m3 (59) 59.0
 
Dec. 2, 2019, 6 a.m. 32.0 ppb (30) 2.6 ppb (2) N/A 29.0 ppb (27) N/A 0.0 ppb (0) 11.0 ppb (8) 0.2 ppb (2) N/A 14.2 μg/m3 (55) 55.0
 
Dec. 2, 2019, 5 a.m. 18.9 ppb (18) 1.1 ppb (1) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 17.0 ppb (13) 0.2 ppb (2) N/A 12.3 μg/m3 (51) 51.0
 
Dec. 2, 2019, 4 a.m. 17.8 ppb (16) 1.0 ppb (1) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 21.0 ppb (16) 0.1 ppb (1) N/A 14.7 μg/m3 (56) 56.0
 
Dec. 2, 2019, 3 a.m. 30.5 ppb (28) 2.2 ppb (2) N/A 28.0 ppb (26) N/A 0.0 ppb (0) 12.0 ppb (9) 0.2 ppb (2) N/A 15.1 μg/m3 (57) 57.0
 
Dec. 2, 2019, 2 a.m. 14.1 ppb (13) 0.6 ppb (1) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 25.0 ppb (19) 0.1 ppb (1) N/A 10.4 μg/m3 (43) 43.0
 
Dec. 2, 2019, 1 a.m. 20.3 ppb (19) 0.6 ppb (1) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 23.0 ppb (18) 0.2 ppb (2) N/A 13.1 μg/m3 (52) 52.0
 
Dec. 2, 2019, midnight 27.1 ppb (25) 1.0 ppb (1) N/A 26.0 ppb (24) N/A 0.0 ppb (0) 19.0 ppb (15) 0.2 ppb (2) N/A 12.1 μg/m3 (50) 50.0
 
Dec. 1, 2019, 11 p.m. 16.3 ppb (15) 1.8 ppb (2) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 29.0 ppb (22) 0.1 ppb (1) N/A 11.6 μg/m3 (48) 48.0
 
Dec. 1, 2019, 10 p.m. 19.8 ppb (18) 5.1 ppb (5) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 32.0 ppb (25) 0.1 ppb (1) N/A 11.9 μg/m3 (50) 50.0
 
Dec. 1, 2019, 9 p.m. 25.7 ppb (24) 9.7 ppb (9) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 32.0 ppb (25) 0.2 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
Dec. 1, 2019, 8 p.m. 26.9 ppb (25) 11.7 ppb (11) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 32.0 ppb (25) 0.2 ppb (2) N/A 10.2 μg/m3 (42) 42.0
 
Dec. 1, 2019, 7 p.m. 27.0 ppb (25) 12.4 ppb (11) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 31.0 ppb (24) 0.2 ppb (2) N/A 7.4 μg/m3 (31) 31.0
 
Dec. 1, 2019, 6 p.m. 26.8 ppb (25) 11.5 ppb (11) N/A 15.0 ppb (14) N/A 1.0 ppb (1) 30.0 ppb (23) 0.2 ppb (2) N/A 6.9 μg/m3 (29) 29.0
 
Dec. 1, 2019, 5 p.m. 37.8 ppb (35) 16.6 ppb (15) N/A 21.0 ppb (19) N/A 1.0 ppb (1) 25.0 ppb (19) 0.2 ppb (2) N/A 8.0 μg/m3 (33) 35.0
 
Dec. 1, 2019, 4 p.m. 48.6 ppb (45) 20.9 ppb (19) N/A 27.0 ppb (25) N/A 0.0 ppb (0) 18.0 ppb (14) 0.3 ppb (3) N/A 8.0 μg/m3 (33) 45.0
 
Dec. 1, 2019, 3 p.m. 62.1 ppb (59) 27.3 ppb (25) N/A 35.0 ppb (32) N/A 0.0 ppb (0) 8.0 ppb (6) 0.5 ppb (6) N/A 6.6 μg/m3 (28) 59.0
 
Dec. 1, 2019, 2 p.m. 77.8 ppb (75) 36.6 ppb (34) N/A 41.0 ppb (38) N/A 1.0 ppb (1) 2.0 ppb (2) 0.5 ppb (6) N/A 7.0 μg/m3 (29) 75.0
 
Dec. 1, 2019, 1 p.m. 96.5 ppb (95) 52.6 ppb (49) N/A 44.0 ppb (41) N/A 1.0 ppb (1) 1.0 ppb (1) 0.6 ppb (7) N/A 8.1 μg/m3 (34) 95.0
 
Dec. 1, 2019, noon 85.1 ppb (83) 43.3 ppb (40) N/A 42.0 ppb (39) N/A 1.0 ppb (1) 1.0 ppb (1) 0.5 ppb (6) N/A 8.4 μg/m3 (35) 83.0
 
Dec. 1, 2019, 11 a.m. 75.5 ppb (73) 33.8 ppb (31) N/A 41.0 ppb (38) N/A 1.0 ppb (1) N/A 0.4 ppb (4) N/A 8.5 μg/m3 (35) 73.0
 
Dec. 1, 2019, 10 a.m. 71.4 ppb (69) 30.6 ppb (28) N/A 41.0 ppb (38) N/A 0.0 ppb (0) 1.0 ppb (1) 0.4 ppb (4) N/A 8.2 μg/m3 (34) 69.0
 
Dec. 1, 2019, 9 a.m. 70.1 ppb (67) 28.4 ppb (26) N/A 41.0 ppb (38) N/A 0.0 ppb (0) 1.0 ppb (1) 0.4 ppb (4) N/A 10.5 μg/m3 (44) 67.0
 
Dec. 1, 2019, 8 a.m. 80.7 ppb (78) 36.0 ppb (33) N/A 44.0 ppb (41) N/A 1.0 ppb (1) 2.0 ppb (2) 0.5 ppb (6) N/A 11.8 μg/m3 (49) 78.0
 
Dec. 1, 2019, 7 a.m. 68.9 ppb (66) 24.5 ppb (23) N/A 44.0 ppb (41) N/A 0.0 ppb (0) 1.0 ppb (1) 0.5 ppb (6) N/A 11.4 μg/m3 (48) 66.0
 
Dec. 1, 2019, 6 a.m. 48.2 ppb (45) 8.0 ppb (7) N/A 40.0 ppb (37) N/A 0.0 ppb (0) 2.0 ppb (2) 0.5 ppb (6) N/A 12.2 μg/m3 (50) 50.0
 
Dec. 1, 2019, 5 a.m. 54.6 ppb (51) 15.8 ppb (15) N/A 39.0 ppb (36) N/A 0.0 ppb (0) 2.0 ppb (2) 0.5 ppb (6) N/A 12.8 μg/m3 (52) 52.0
 
Dec. 1, 2019, 4 a.m. 67.8 ppb (65) 25.9 ppb (24) N/A 42.0 ppb (39) N/A 0.0 ppb (0) 1.0 ppb (1) 0.5 ppb (6) N/A 15.6 μg/m3 (58) 65.0
 
Dec. 1, 2019, 3 a.m. 64.7 ppb (61) 24.2 ppb (22) N/A 40.0 ppb (37) N/A 0.0 ppb (0) 1.0 ppb (1) 0.6 ppb (7) N/A 17.0 μg/m3 (61) 61.0
 
Dec. 1, 2019, 2 a.m. 53.4 ppb (49) 14.2 ppb (13) N/A 39.0 ppb (36) N/A 0.0 ppb (0) 2.0 ppb (2) 0.4 ppb (4) N/A 14.3 μg/m3 (55) 55.0
 
Dec. 1, 2019, 1 a.m. 27.3 ppb (25) 2.3 ppb (2) N/A 25.0 ppb (23) N/A 0.0 ppb (0) 11.0 ppb (8) 0.2 ppb (2) N/A 13.9 μg/m3 (54) 54.0
 
Dec. 1, 2019, midnight 19.7 ppb (18) 1.0 ppb (1) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 19.0 ppb (15) 0.2 ppb (2) N/A 11.8 μg/m3 (49) 49.0
 
Nov. 30, 2019, 11 p.m. 13.1 ppb (12) 1.7 ppb (2) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 26.0 ppb (20) 0.1 ppb (1) N/A 9.9 μg/m3 (41) 41.0
 
Nov. 30, 2019, 10 p.m. 9.0 ppb (8) 2.4 ppb (2) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (25) 0.1 ppb (1) N/A 8.1 μg/m3 (34) 34.0
 
Nov. 30, 2019, 9 p.m. 9.3 ppb (9) 3.1 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (28) 0.1 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
Nov. 30, 2019, 8 p.m. 12.9 ppb (12) 5.0 ppb (5) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 37.0 ppb (28) 0.1 ppb (1) N/A 9.3 μg/m3 (39) 39.0
 
Nov. 30, 2019, 7 p.m. 12.5 ppb (12) 4.6 ppb (4) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 35.0 ppb (27) 0.1 ppb (1) N/A 9.2 μg/m3 (38) 38.0
 
Nov. 30, 2019, 6 p.m. 12.3 ppb (11) 5.2 ppb (5) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 34.0 ppb (26) 0.1 ppb (1) N/A 7.7 μg/m3 (32) 32.0
 
Nov. 30, 2019, 5 p.m. 16.5 ppb (15) 6.9 ppb (6) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 29.0 ppb (22) 0.1 ppb (1) N/A 6.9 μg/m3 (29) 29.0