AQSQID: 040134003

Site Name: South Phoenix

Location: Phoenix (S Central Ave), AZ

Reporting: True, Located: True

Current AQI: 21.0

Phoenix (S Central Ave) AZ, US: 33.4033, -112.0731

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 22, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.1 ppb (1) 9.0 μg/m3 (8) 2.4 μg/m3 (10) 26.0
 
Jan. 22, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.2 ppb (2) 12.0 μg/m3 (11) 0.2 μg/m3 (1) 21.0
 
Jan. 22, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.2 ppb (2) 14.0 μg/m3 (13) 0.0 μg/m3 (0) 15.0
 
Jan. 22, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) N/A N/A 4.0
 
Jan. 22, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A N/A 3.0
 
Jan. 22, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) 0.3 ppb (3) 13.0 μg/m3 (12) 2.8 μg/m3 (12) 12.0
 
Jan. 22, 2019, noon N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.1 ppb (1) 8.0 μg/m3 (7) 3.2 μg/m3 (13) 14.0
 
Jan. 22, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.1 ppb (1) 6.0 μg/m3 (5) 2.4 μg/m3 (10) 18.0
 
Jan. 22, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.1 ppb (1) 13.0 μg/m3 (12) 4.2 μg/m3 (18) 19.0
 
Jan. 22, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.1 ppb (1) 22.0 μg/m3 (20) 4.1 μg/m3 (17) 20.0
 
Jan. 22, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.1 ppb (1) 31.0 μg/m3 (28) 6.0 μg/m3 (25) 28.0
 
Jan. 22, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.1 ppb (1) 35.0 μg/m3 (32) 7.5 μg/m3 (31) 32.0
 
Jan. 22, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.2 ppb (2) 33.0 μg/m3 (30) 6.4 μg/m3 (27) 30.0
 
Jan. 22, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.1 ppb (1) 32.0 μg/m3 (29) 6.8 μg/m3 (28) 29.0
 
Jan. 22, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.1 ppb (1) 27.0 μg/m3 (25) 6.8 μg/m3 (28) 28.0
 
Jan. 22, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.1 ppb (1) 18.0 μg/m3 (16) 3.7 μg/m3 (15) 25.0
 
Jan. 22, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.1 ppb (1) 12.0 μg/m3 (11) 2.2 μg/m3 (9) 27.0
 
Jan. 22, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.1 ppb (1) 15.0 μg/m3 (14) 2.0 μg/m3 (8) 30.0
 
Jan. 22, 2019, midnight N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.1 ppb (1) 29.0 μg/m3 (26) 2.8 μg/m3 (12) 34.0
 
Jan. 21, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.1 ppb (1) 63.0 μg/m3 (54) 4.9 μg/m3 (20) 54.0
 
Jan. 21, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.1 ppb (1) 46.0 μg/m3 (42) 3.6 μg/m3 (15) 42.0
 
Jan. 21, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.1 ppb (1) 53.0 μg/m3 (48) 5.2 μg/m3 (22) 48.0
 
Jan. 21, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.1 ppb (1) 24.0 μg/m3 (22) 4.9 μg/m3 (20) 32.0
 
Jan. 21, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.1 ppb (1) 47.0 μg/m3 (43) 4.6 μg/m3 (19) 43.0
 
Jan. 21, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.1 ppb (1) 48.0 μg/m3 (44) 14.7 μg/m3 (56) 56.0
 
Jan. 21, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 0.5 ppb (6) 50.0 μg/m3 (45) 19.4 μg/m3 (66) 66.0
 
Jan. 21, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.8 ppb (9) 46.0 μg/m3 (42) 15.5 μg/m3 (57) 57.0
 
Jan. 21, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.6 ppb (7) 49.0 μg/m3 (45) 19.5 μg/m3 (66) 66.0
 
Jan. 21, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.9 ppb (10) 43.0 μg/m3 (39) 19.8 μg/m3 (67) 67.0
 
Jan. 21, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (11) 31.0 μg/m3 (28) 17.6 μg/m3 (62) 62.0
 
Jan. 21, 2019, noon N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.6 ppb (7) 28.0 μg/m3 (25) 14.3 μg/m3 (55) 55.0
 
Jan. 21, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.5 ppb (6) 24.0 μg/m3 (22) 12.7 μg/m3 (51) 51.0
 
Jan. 21, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.5 ppb (6) 20.0 μg/m3 (18) 11.8 μg/m3 (49) 49.0
 
Jan. 21, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.3 ppb (3) 15.0 μg/m3 (14) 8.9 μg/m3 (37) 37.0
 
Jan. 21, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) 0.3 ppb (3) 23.0 μg/m3 (21) 15.0 μg/m3 (56) 56.0
 
Jan. 21, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.5 ppb (6) 24.0 μg/m3 (22) 17.0 μg/m3 (61) 61.0
 
Jan. 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 0.5 ppb (6) 33.0 μg/m3 (30) 21.8 μg/m3 (71) 71.0
 
Jan. 21, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.8 ppb (9) 36.0 μg/m3 (33) 19.5 μg/m3 (66) 66.0
 
Jan. 21, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.9 ppb (10) 42.0 μg/m3 (38) 20.8 μg/m3 (69) 69.0
 
Jan. 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) 0.7 ppb (8) 30.0 μg/m3 (27) 13.8 μg/m3 (54) 54.0
 
Jan. 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 0.5 ppb (6) 40.0 μg/m3 (36) 13.8 μg/m3 (54) 54.0
 
Jan. 21, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) 0.7 ppb (8) 59.0 μg/m3 (52) 16.0 μg/m3 (59) 59.0
 
Jan. 21, 2019, midnight N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.5 ppb (6) 14.0 μg/m3 (13) 4.7 μg/m3 (20) 20.0
 
Jan. 20, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.1 ppb (1) 4.0 μg/m3 (4) 1.8 μg/m3 (8) 25.0
 
Jan. 20, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.1 ppb (1) 3.0 μg/m3 (3) 2.5 μg/m3 (10) 31.0
 
Jan. 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.1 ppb (1) 3.0 μg/m3 (3) 2.2 μg/m3 (9) 31.0
 
Jan. 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.1 ppb (1) 6.0 μg/m3 (5) 4.9 μg/m3 (20) 27.0
 
Jan. 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.2 ppb (2) 7.0 μg/m3 (6) 6.3 μg/m3 (26) 26.0
 
Jan. 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.3 ppb (3) 6.0 μg/m3 (5) 5.5 μg/m3 (23) 23.0
 
Jan. 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.1 ppb (1) 2.0 μg/m3 (2) 1.7 μg/m3 (7) 22.0
 
Jan. 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.2 ppb (2) 4.0 μg/m3 (4) 1.0 μg/m3 (4) 20.0
 
Jan. 20, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.3 ppb (3) 15.0 μg/m3 (14) 10.2 μg/m3 (42) 42.0
 
Jan. 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) 0.5 ppb (6) 33.0 μg/m3 (30) 27.4 μg/m3 (83) 83.0
 
Jan. 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.9 ppb (10) 29.0 μg/m3 (26) 21.9 μg/m3 (71) 71.0
 
Jan. 20, 2019, noon N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.9 ppb (10) 38.0 μg/m3 (35) 30.8 μg/m3 (90) 90.0
 
Jan. 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.9 ppb (10) 32.0 μg/m3 (29) 25.0 μg/m3 (78) 78.0
 
Jan. 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.9 ppb (10) 35.0 μg/m3 (32) 26.8 μg/m3 (81) 81.0
 
Jan. 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.9 ppb (10) 33.0 μg/m3 (30) 25.2 μg/m3 (78) 78.0
 
Jan. 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.8 ppb (9) 41.0 μg/m3 (37) 30.1 μg/m3 (89) 89.0
 
Jan. 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.2 ppb (13) 48.0 μg/m3 (44) 34.0 μg/m3 (97) 97.0
 
Jan. 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.8 ppb (9) 34.0 μg/m3 (31) 22.4 μg/m3 (72) 72.0
 
Jan. 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.9 ppb (10) 46.0 μg/m3 (42) 25.7 μg/m3 (79) 79.0
 
Jan. 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.8 ppb (9) 41.0 μg/m3 (37) 22.0 μg/m3 (71) 71.0
 
Jan. 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) 0.8 ppb (9) 33.0 μg/m3 (30) 17.4 μg/m3 (61) 61.0
 
Jan. 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) 0.6 ppb (7) 26.0 μg/m3 (24) 13.0 μg/m3 (52) 52.0
 
Jan. 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.5 ppb (6) 22.0 μg/m3 (20) 9.5 μg/m3 (40) 40.0
 
Jan. 20, 2019, midnight N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.3 ppb (3) 9.0 μg/m3 (8) 3.3 μg/m3 (14) 26.0
 
Jan. 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.2 ppb (2) 8.0 μg/m3 (7) 5.0 μg/m3 (21) 34.0
 
Jan. 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 0.1 ppb (1) 3.0 μg/m3 (3) 2.9 μg/m3 (12) 35.0
 
Jan. 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.1 ppb (1) 4.0 μg/m3 (4) 3.5 μg/m3 (15) 34.0
 
Jan. 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.1 ppb (1) 4.0 μg/m3 (4) 4.3 μg/m3 (18) 32.0
 
Jan. 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.1 ppb (1) 4.0 μg/m3 (4) 3.6 μg/m3 (15) 30.0
 
Jan. 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.2 ppb (2) 7.0 μg/m3 (6) 4.8 μg/m3 (20) 26.0
 
Jan. 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.3 ppb (3) 12.0 μg/m3 (11) 7.8 μg/m3 (32) 32.0
 
Jan. 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.4 ppb (4) 18.0 μg/m3 (16) 9.2 μg/m3 (38) 38.0
 
Jan. 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 1.2 ppb (13) 25.0 μg/m3 (23) 13.9 μg/m3 (54) 54.0
 
Jan. 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.0 ppb (11) 27.0 μg/m3 (25) 21.4 μg/m3 (70) 70.0
 
Jan. 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.7 ppb (8) 17.0 μg/m3 (15) 12.0 μg/m3 (50) 50.0
 
Jan. 19, 2019, noon N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.6 ppb (7) 13.0 μg/m3 (12) 10.5 μg/m3 (44) 44.0
 
Jan. 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 0.4 ppb (4) 12.0 μg/m3 (11) 9.9 μg/m3 (41) 41.0
 
Jan. 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) 0.4 ppb (4) 12.0 μg/m3 (11) 10.0 μg/m3 (42) 42.0
 
Jan. 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 0.3 ppb (3) 8.0 μg/m3 (7) 6.2 μg/m3 (26) 26.0
 
Jan. 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) 0.3 ppb (3) 12.0 μg/m3 (11) 9.4 μg/m3 (39) 39.0
 
Jan. 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 0.4 ppb (4) 20.0 μg/m3 (18) 15.2 μg/m3 (57) 57.0
 
Jan. 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 0.4 ppb (4) 26.0 μg/m3 (24) 16.1 μg/m3 (59) 59.0
 
Jan. 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) 0.6 ppb (7) 23.0 μg/m3 (21) 15.2 μg/m3 (57) 57.0
 
Jan. 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) 0.4 ppb (4) 17.0 μg/m3 (15) 7.5 μg/m3 (31) 31.0
 
Jan. 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 0.3 ppb (3) 15.0 μg/m3 (14) 6.4 μg/m3 (27) 27.0
 
Jan. 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.4 ppb (4) 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Jan. 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.4 ppb (4) 11.0 μg/m3 (10) 3.3 μg/m3 (14) 14.0
 
Jan. 19, 2019, midnight N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.1 ppb (1) 13.0 μg/m3 (12) 7.7 μg/m3 (32) 32.0
 
Jan. 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.1 ppb (1) 12.0 μg/m3 (11) 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.1 ppb (1) 13.0 μg/m3 (12) 9.7 μg/m3 (40) 40.0
 
Jan. 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.1 ppb (1) 11.0 μg/m3 (10) 8.0 μg/m3 (33) 33.0
 
Jan. 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.1 ppb (1) N/A N/A 27.0
 
Jan. 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Jan. 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.2 ppb (2) 28.0 μg/m3 (25) 16.0 μg/m3 (59) 59.0
 
Jan. 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.3 ppb (3) 47.0 μg/m3 (43) 25.5 μg/m3 (79) 79.0
 
Jan. 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) 0.7 ppb (8) 68.0 μg/m3 (56) 30.9 μg/m3 (90) 90.0
 
Jan. 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.1 ppb (12) 88.0 μg/m3 (66) 30.6 μg/m3 (90) 90.0
 
Jan. 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.4 ppb (16) 43.0 μg/m3 (39) 19.4 μg/m3 (66) 66.0
 
Jan. 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (11) 37.0 μg/m3 (34) 21.5 μg/m3 (70) 70.0
 
Jan. 18, 2019, noon N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.6 ppb (7) 34.0 μg/m3 (31) 23.7 μg/m3 (75) 75.0
 
Jan. 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.6 ppb (7) 28.0 μg/m3 (25) 21.3 μg/m3 (70) 70.0
 
Jan. 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.7 ppb (8) 29.0 μg/m3 (26) 21.8 μg/m3 (71) 71.0
 
Jan. 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.7 ppb (8) 26.0 μg/m3 (24) 19.4 μg/m3 (66) 66.0
 
Jan. 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.7 ppb (8) 27.0 μg/m3 (25) 18.2 μg/m3 (63) 63.0
 
Jan. 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.8 ppb (9) 27.0 μg/m3 (25) 18.3 μg/m3 (63) 63.0
 
Jan. 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (11) 32.0 μg/m3 (29) 18.8 μg/m3 (64) 64.0
 
Jan. 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (11) 30.0 μg/m3 (27) 15.9 μg/m3 (58) 58.0
 
Jan. 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.9 ppb (10) 31.0 μg/m3 (28) 14.3 μg/m3 (55) 55.0
 
Jan. 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.9 ppb (10) 34.0 μg/m3 (31) 12.9 μg/m3 (52) 52.0
 
Jan. 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.9 ppb (10) 33.0 μg/m3 (30) 11.6 μg/m3 (48) 48.0
 
Jan. 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) 0.6 ppb (7) 19.0 μg/m3 (17) 5.7 μg/m3 (24) 24.0
 
Jan. 18, 2019, midnight N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.2 ppb (2) 10.0 μg/m3 (9) 3.1 μg/m3 (13) 19.0
 
Jan. 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.1 ppb (1) 12.0 μg/m3 (11) 5.3 μg/m3 (22) 25.0
 
Jan. 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.1 ppb (1) 10.0 μg/m3 (9) 6.4 μg/m3 (27) 27.0
 
Jan. 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.1 ppb (1) 8.0 μg/m3 (7) 5.9 μg/m3 (25) 25.0
 
Jan. 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.1 ppb (1) 8.0 μg/m3 (7) 7.2 μg/m3 (30) 30.0
 
Jan. 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.1 ppb (1) 8.0 μg/m3 (7) 6.2 μg/m3 (26) 26.0
 
Jan. 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.2 ppb (2) 12.0 μg/m3 (11) 9.3 μg/m3 (39) 39.0
 
Jan. 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.2 ppb (2) 17.0 μg/m3 (15) 12.8 μg/m3 (52) 52.0
 
Jan. 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) 0.3 ppb (3) 16.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Jan. 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.5 ppb (6) 20.0 μg/m3 (18) 8.1 μg/m3 (34) 34.0
 
Jan. 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.7 ppb (8) 14.0 μg/m3 (13) 6.6 μg/m3 (28) 28.0
 
Jan. 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) 0.2 ppb (2) 9.0 μg/m3 (8) 5.8 μg/m3 (24) 24.0
 
Jan. 17, 2019, noon N/A N/A N/A N/A N/A N/A 4.0 ppb (3) 0.5 ppb (6) 15.0 μg/m3 (14) 9.2 μg/m3 (38) 38.0
 
Jan. 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.6 ppb (7) 17.0 μg/m3 (15) 12.5 μg/m3 (51) 51.0
 
Jan. 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.4 ppb (4) 18.0 μg/m3 (16) 13.7 μg/m3 (54) 54.0
 
Jan. 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.4 ppb (4) 17.0 μg/m3 (15) 12.2 μg/m3 (50) 50.0
 
Jan. 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.3 ppb (3) 24.0 μg/m3 (22) 18.2 μg/m3 (63) 63.0
 
Jan. 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.4 ppb (4) 22.0 μg/m3 (20) 15.2 μg/m3 (57) 57.0
 
Jan. 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.2 ppb (2) 7.0 μg/m3 (6) 5.6 μg/m3 (23) 25.0
 
Jan. 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.2 ppb (2) 7.0 μg/m3 (6) 5.9 μg/m3 (25) 25.0
 
Jan. 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.1 ppb (1) 4.0 μg/m3 (4) 3.4 μg/m3 (14) 25.0
 
Jan. 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.1 ppb (1) 6.0 μg/m3 (5) 5.5 μg/m3 (23) 25.0
 
Jan. 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.1 ppb (1) 11.0 μg/m3 (10) 9.9 μg/m3 (41) 41.0
 
Jan. 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.2 ppb (2) 24.0 μg/m3 (22) 18.5 μg/m3 (64) 64.0
 
Jan. 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 0.5 ppb (6) 30.0 μg/m3 (27) 21.6 μg/m3 (70) 70.0
 
Jan. 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 0.8 ppb (9) 27.0 μg/m3 (25) 20.4 μg/m3 (68) 68.0
 
Jan. 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.1 ppb (12) 24.0 μg/m3 (22) 15.6 μg/m3 (58) 58.0
 
Jan. 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.1 ppb (12) 21.0 μg/m3 (19) 15.9 μg/m3 (58) 58.0
 
Jan. 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.1 ppb (12) 18.0 μg/m3 (16) 14.8 μg/m3 (56) 56.0
 
Jan. 16, 2019, noon N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.4 ppb (4) 16.0 μg/m3 (15) 13.6 μg/m3 (53) 53.0
 
Jan. 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.4 ppb (4) 14.0 μg/m3 (13) 12.8 μg/m3 (52) 52.0
 
Jan. 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.4 ppb (4) 10.0 μg/m3 (9) 9.5 μg/m3 (40) 40.0
 
Jan. 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.3 ppb (3) 9.0 μg/m3 (8) 7.9 μg/m3 (33) 33.0
 
Jan. 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.3 ppb (3) 13.0 μg/m3 (12) 11.7 μg/m3 (49) 49.0
 
Jan. 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.6 ppb (7) 14.0 μg/m3 (13) 13.0 μg/m3 (52) 52.0
 
Jan. 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.7 ppb (8) 14.0 μg/m3 (13) 12.0 μg/m3 (50) 50.0
 
Jan. 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.6 ppb (7) 12.0 μg/m3 (11) 10.6 μg/m3 (44) 44.0
 
Jan. 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.4 ppb (4) 10.0 μg/m3 (9) 9.0 μg/m3 (38) 38.0
 
Jan. 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 0.3 ppb (3) 10.0 μg/m3 (9) 8.1 μg/m3 (34) 34.0
 
Jan. 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.4 ppb (4) 9.0 μg/m3 (8) 6.5 μg/m3 (27) 27.0
 
Jan. 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 0.3 ppb (3) 13.0 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
Jan. 16, 2019, midnight N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 0.3 ppb (3) 10.0 μg/m3 (9) 5.8 μg/m3 (24) 24.0
 
Jan. 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.2 ppb (2) 6.0 μg/m3 (5) 2.6 μg/m3 (11) 12.0
 
Jan. 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.1 ppb (1) 4.0 μg/m3 (4) 1.3 μg/m3 (5) 17.0
 
Jan. 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.1 ppb (1) 5.0 μg/m3 (5) 1.9 μg/m3 (8) 17.0
 
Jan. 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.1 ppb (1) 3.0 μg/m3 (3) 0.6 μg/m3 (2) 19.0
 
Jan. 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.1 ppb (1) 5.0 μg/m3 (5) 3.2 μg/m3 (13) 17.0
 
Jan. 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.1 ppb (1) 4.0 μg/m3 (4) 2.8 μg/m3 (12) 15.0
 
Jan. 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.1 ppb (1) 6.0 μg/m3 (5) 2.6 μg/m3 (11) 16.0
 
Jan. 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 0.2 ppb (2) 6.0 μg/m3 (5) 2.6 μg/m3 (11) 11.0
 
Jan. 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 0.1 ppb (1) 9.0 μg/m3 (8) 2.8 μg/m3 (12) 12.0
 
Jan. 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) 0.2 ppb (2) 11.0 μg/m3 (10) 6.7 μg/m3 (28) 28.0
 
Jan. 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.3 ppb (3) 13.0 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2019, noon N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.5 ppb (6) 14.0 μg/m3 (13) 10.2 μg/m3 (42) 42.0