AQSQID: 040130019

Site Name: West Phoenix

Location: Phoenix (Maryvale), AZ

Reporting: True, Located: True

Current AQI: 51.0

Phoenix (Maryvale) AZ, US: 33.483799, -112.142601

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 20, 2020, 2 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) 1.5 ppb (17) 40.0 μg/m3 (36) 12.7 μg/m3 (51) 51.0
 
Jan. 20, 2020, 1 p.m. N/A N/A N/A 21.0 ppb (19) N/A N/A 0.0 ppb (0) 1.2 ppb (13) 30.0 μg/m3 (27) 10.3 μg/m3 (43) 43.0
 
Jan. 20, 2020, noon N/A N/A N/A 22.0 ppb (20) N/A N/A 0.0 ppb (0) 0.7 ppb (8) 22.0 μg/m3 (20) 7.2 μg/m3 (30) 30.0
 
Jan. 20, 2020, 11 a.m. N/A N/A N/A 24.0 ppb (22) N/A N/A 0.0 ppb (0) 0.3 ppb (3) 12.0 μg/m3 (11) 6.4 μg/m3 (27) 27.0
 
Jan. 20, 2020, 10 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 5.0 ppb (4) 0.2 ppb (2) 13.0 μg/m3 (12) 7.5 μg/m3 (31) 31.0
 
Jan. 20, 2020, 9 a.m. N/A N/A N/A 22.0 ppb (20) N/A N/A 1.0 ppb (1) 0.4 ppb (4) 18.0 μg/m3 (16) 10.6 μg/m3 (44) 44.0
 
Jan. 20, 2020, 8 a.m. N/A N/A N/A 23.0 ppb (21) N/A N/A 0.0 ppb (0) 0.5 ppb (6) 18.0 μg/m3 (16) 10.3 μg/m3 (43) 43.0
 
Jan. 20, 2020, 7 a.m. N/A N/A N/A 25.0 ppb (23) N/A N/A 1.0 ppb (1) 0.5 ppb (6) 19.0 μg/m3 (17) 11.4 μg/m3 (48) 48.0
 
Jan. 20, 2020, 6 a.m. N/A N/A N/A 28.0 ppb (26) N/A N/A 1.0 ppb (1) 0.6 ppb (7) 24.0 μg/m3 (22) 14.5 μg/m3 (55) 55.0
 
Jan. 20, 2020, 5 a.m. N/A N/A N/A 30.0 ppb (28) N/A N/A 1.0 ppb (1) 0.8 ppb (9) 46.0 μg/m3 (42) 25.8 μg/m3 (79) 79.0
 
Jan. 20, 2020, 4 a.m. N/A N/A N/A 29.0 ppb (27) N/A N/A 1.0 ppb (1) 1.4 ppb (16) 55.0 μg/m3 (50) 28.7 μg/m3 (86) 86.0
 
Jan. 20, 2020, 3 a.m. N/A N/A N/A 30.0 ppb (28) N/A N/A 1.0 ppb (1) 1.3 ppb (14) 58.0 μg/m3 (52) 26.9 μg/m3 (82) 82.0
 
Jan. 20, 2020, 2 a.m. N/A N/A N/A 33.0 ppb (31) N/A N/A 1.0 ppb (1) 1.2 ppb (13) 58.0 μg/m3 (52) 26.4 μg/m3 (81) 81.0
 
Jan. 20, 2020, 1 a.m. N/A N/A N/A 34.0 ppb (31) N/A N/A 1.0 ppb (1) 0.6 ppb (7) 41.0 μg/m3 (37) 12.7 μg/m3 (51) 51.0
 
Jan. 20, 2020, midnight N/A N/A N/A 16.0 ppb (15) N/A N/A 28.0 ppb (22) 0.1 ppb (1) 8.0 μg/m3 (7) 4.1 μg/m3 (17) 22.0
 
Jan. 19, 2020, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 45.0 ppb (35) 0.0 ppb (0) 7.0 μg/m3 (6) 2.9 μg/m3 (12) 35.0
 
Jan. 19, 2020, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) 0.0 ppb (0) 7.0 μg/m3 (6) 1.7 μg/m3 (7) 36.0
 
Jan. 19, 2020, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) 0.0 ppb (0) 12.0 μg/m3 (11) 2.0 μg/m3 (8) 35.0
 
Jan. 19, 2020, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 43.0 ppb (33) 0.0 ppb (0) 11.0 μg/m3 (10) 5.7 μg/m3 (24) 33.0
 
Jan. 19, 2020, 7 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 40.0 ppb (31) 0.1 ppb (1) 14.0 μg/m3 (13) 9.3 μg/m3 (39) 39.0
 
Jan. 19, 2020, 6 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 31.0 ppb (24) 0.2 ppb (2) 16.0 μg/m3 (15) 10.9 μg/m3 (45) 45.0
 
Jan. 19, 2020, 5 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A 21.0 ppb (16) 0.3 ppb (3) 26.0 μg/m3 (24) 17.5 μg/m3 (62) 62.0
 
Jan. 19, 2020, 4 p.m. N/A N/A N/A 27.0 ppb (25) N/A N/A 7.0 ppb (5) 0.8 ppb (9) 39.0 μg/m3 (35) 28.2 μg/m3 (84) 84.0
 
Jan. 19, 2020, 3 p.m. N/A N/A N/A 22.0 ppb (20) N/A N/A 1.0 ppb (1) 1.2 ppb (13) 42.0 μg/m3 (38) 30.4 μg/m3 (89) 89.0
 
Jan. 19, 2020, 2 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 0.0 ppb (0) 1.3 ppb (14) 51.0 μg/m3 (46) 39.9 μg/m3 (111) 111.0
 
Jan. 19, 2020, 1 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 0.0 ppb (0) 1.4 ppb (16) 58.0 μg/m3 (52) 44.9 μg/m3 (124) 124.0
 
Jan. 19, 2020, noon N/A N/A N/A 17.0 ppb (16) N/A N/A 1.0 ppb (1) 1.7 ppb (19) 71.0 μg/m3 (58) 54.8 μg/m3 (148) 148.0
 
Jan. 19, 2020, 11 a.m. N/A N/A N/A 17.0 ppb (16) N/A N/A 1.0 ppb (1) 1.7 ppb (19) 72.0 μg/m3 (58) 53.9 μg/m3 (146) 146.0
 
Jan. 19, 2020, 10 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 1.0 ppb (1) 1.7 ppb (19) 81.0 μg/m3 (63) 62.7 μg/m3 (154) 154.0
 
Jan. 19, 2020, 9 a.m. N/A N/A N/A 22.0 ppb (20) N/A N/A 1.0 ppb (1) 1.8 ppb (20) 93.0 μg/m3 (69) 73.3 μg/m3 (159) 159.0
 
Jan. 19, 2020, 8 a.m. N/A N/A N/A 23.0 ppb (21) N/A N/A 1.0 ppb (1) 1.9 ppb (21) 103.0 μg/m3 (74) 79.1 μg/m3 (162) 162.0
 
Jan. 19, 2020, 7 a.m. N/A N/A N/A 23.0 ppb (21) N/A N/A 3.0 ppb (2) 1.8 ppb (20) 100.0 μg/m3 (72) 75.1 μg/m3 (160) 160.0
 
Jan. 19, 2020, 6 a.m. N/A N/A N/A 26.0 ppb (24) N/A N/A 2.0 ppb (2) 1.6 ppb (18) 87.0 μg/m3 (66) 64.5 μg/m3 (155) 155.0
 
Jan. 19, 2020, 5 a.m. N/A N/A N/A 28.0 ppb (26) N/A N/A 2.0 ppb (2) 1.7 ppb (19) 76.0 μg/m3 (60) 49.6 μg/m3 (135) 135.0
 
Jan. 19, 2020, 4 a.m. N/A N/A N/A 33.0 ppb (31) N/A N/A 1.0 ppb (1) 1.3 ppb (14) 84.0 μg/m3 (64) 51.0 μg/m3 (139) 139.0
 
Jan. 19, 2020, 3 a.m. N/A N/A N/A 36.0 ppb (33) N/A N/A 1.0 ppb (1) 1.4 ppb (16) 84.0 μg/m3 (64) 45.4 μg/m3 (125) 125.0
 
Jan. 19, 2020, 2 a.m. N/A N/A N/A 36.0 ppb (33) N/A N/A 1.0 ppb (1) 1.1 ppb (12) 49.0 μg/m3 (45) 22.1 μg/m3 (71) 71.0
 
Jan. 19, 2020, 1 a.m. N/A N/A N/A 38.0 ppb (35) N/A N/A 4.0 ppb (3) 0.7 ppb (8) 28.0 μg/m3 (25) 13.6 μg/m3 (53) 53.0
 
Jan. 19, 2020, midnight N/A N/A N/A 14.0 ppb (13) N/A N/A 37.0 ppb (28) 0.1 ppb (1) 11.0 μg/m3 (10) 4.4 μg/m3 (18) 28.0
 
Jan. 18, 2020, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 49.0 ppb (38) 0.0 ppb (0) 11.0 μg/m3 (10) 6.7 μg/m3 (28) 38.0
 
Jan. 18, 2020, 10 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 46.0 ppb (35) 0.0 ppb (0) 15.0 μg/m3 (14) 9.3 μg/m3 (39) 39.0
 
Jan. 18, 2020, 9 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 42.0 ppb (32) 0.1 ppb (1) 20.0 μg/m3 (18) 12.4 μg/m3 (51) 51.0
 
Jan. 18, 2020, 8 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A 34.0 ppb (26) 0.1 ppb (1) 26.0 μg/m3 (24) 15.4 μg/m3 (57) 57.0
 
Jan. 18, 2020, 7 p.m. N/A N/A N/A 16.0 ppb (15) N/A N/A 31.0 ppb (24) 0.2 ppb (2) 26.0 μg/m3 (24) 14.3 μg/m3 (55) 55.0
 
Jan. 18, 2020, 6 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A 25.0 ppb (19) 0.2 ppb (2) 31.0 μg/m3 (28) 16.0 μg/m3 (59) 59.0
 
Jan. 18, 2020, 5 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 18.0 ppb (14) 0.2 ppb (2) 37.0 μg/m3 (34) 21.7 μg/m3 (71) 71.0
 
Jan. 18, 2020, 4 p.m. N/A N/A N/A 23.0 ppb (21) N/A N/A 7.0 ppb (5) 0.6 ppb (7) 63.0 μg/m3 (54) 36.4 μg/m3 (102) 102.0
 
Jan. 18, 2020, 3 p.m. N/A N/A N/A 21.0 ppb (19) N/A N/A 1.0 ppb (1) 1.3 ppb (14) 63.0 μg/m3 (54) 34.0 μg/m3 (97) 97.0
 
Jan. 18, 2020, 2 p.m. N/A N/A N/A 15.0 ppb (14) N/A N/A 0.0 ppb (0) 1.4 ppb (16) 49.0 μg/m3 (45) 28.8 μg/m3 (86) 86.0
 
Jan. 18, 2020, 1 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A 0.0 ppb (0) 1.0 ppb (11) 51.0 μg/m3 (46) 32.6 μg/m3 (94) 94.0
 
Jan. 18, 2020, noon N/A N/A N/A 17.0 ppb (16) N/A N/A 0.0 ppb (0) 1.3 ppb (14) 52.0 μg/m3 (47) 38.5 μg/m3 (108) 108.0
 
Jan. 18, 2020, 11 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 1.0 ppb (1) 1.1 ppb (12) 48.0 μg/m3 (44) 36.8 μg/m3 (103) 103.0
 
Jan. 18, 2020, 10 a.m. N/A N/A N/A 22.0 ppb (20) N/A N/A 0.0 ppb (0) 1.0 ppb (11) 61.0 μg/m3 (53) 44.2 μg/m3 (122) 122.0
 
Jan. 18, 2020, 9 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 1.0 ppb (1) 1.4 ppb (16) 61.0 μg/m3 (53) 46.1 μg/m3 (126) 126.0
 
Jan. 18, 2020, 8 a.m. N/A N/A N/A 21.0 ppb (19) N/A N/A 1.0 ppb (1) 1.2 ppb (13) 60.0 μg/m3 (52) 44.5 μg/m3 (122) 122.0
 
Jan. 18, 2020, 7 a.m. N/A N/A N/A 22.0 ppb (20) N/A N/A 1.0 ppb (1) 1.2 ppb (13) 52.0 μg/m3 (47) 36.4 μg/m3 (102) 102.0
 
Jan. 18, 2020, 6 a.m. N/A N/A N/A 24.0 ppb (22) N/A N/A 0.0 ppb (0) 1.0 ppb (11) 48.0 μg/m3 (44) 27.9 μg/m3 (84) 84.0
 
Jan. 18, 2020, 5 a.m. N/A N/A N/A 30.0 ppb (28) N/A N/A 0.0 ppb (0) 1.0 ppb (11) 50.0 μg/m3 (45) 29.9 μg/m3 (88) 88.0
 
Jan. 18, 2020, 4 a.m. N/A N/A N/A 31.0 ppb (29) N/A N/A 0.0 ppb (0) 1.0 ppb (11) 46.0 μg/m3 (42) 24.2 μg/m3 (76) 76.0
 
Jan. 18, 2020, 3 a.m. N/A N/A N/A 30.0 ppb (28) N/A N/A 0.0 ppb (0) 0.9 ppb (10) 38.0 μg/m3 (35) 18.7 μg/m3 (64) 64.0
 
Jan. 18, 2020, 2 a.m. N/A N/A N/A 33.0 ppb (31) N/A N/A 2.0 ppb (2) 0.6 ppb (7) 31.0 μg/m3 (28) 16.1 μg/m3 (59) 59.0
 
Jan. 18, 2020, 1 a.m. N/A N/A N/A 26.0 ppb (24) N/A N/A 14.0 ppb (11) 0.3 ppb (3) 22.0 μg/m3 (20) 10.0 μg/m3 (42) 42.0
 
Jan. 18, 2020, midnight N/A N/A N/A 11.0 ppb (10) N/A N/A 32.0 ppb (25) 0.1 ppb (1) 14.0 μg/m3 (13) 7.5 μg/m3 (31) 31.0
 
Jan. 17, 2020, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 40.0 ppb (31) 0.0 ppb (0) 12.0 μg/m3 (11) 5.8 μg/m3 (24) 31.0
 
Jan. 17, 2020, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 40.0 ppb (31) 0.0 ppb (0) 10.0 μg/m3 (9) 5.7 μg/m3 (24) 31.0
 
Jan. 17, 2020, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) 0.0 ppb (0) 12.0 μg/m3 (11) 6.7 μg/m3 (28) 32.0
 
Jan. 17, 2020, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 38.0 ppb (29) 0.0 ppb (0) 9.0 μg/m3 (8) 4.3 μg/m3 (18) 29.0
 
Jan. 17, 2020, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) 0.0 ppb (0) 15.0 μg/m3 (14) 7.9 μg/m3 (33) 33.0
 
Jan. 17, 2020, 6 p.m. N/A N/A N/A 16.0 ppb (15) N/A N/A 20.0 ppb (15) 0.2 ppb (2) 32.0 μg/m3 (29) 18.5 μg/m3 (64) 64.0
 
Jan. 17, 2020, 5 p.m. N/A N/A N/A 26.0 ppb (24) N/A N/A 9.0 ppb (7) 0.4 ppb (4) 34.0 μg/m3 (31) 17.7 μg/m3 (62) 62.0
 
Jan. 17, 2020, 4 p.m. N/A N/A N/A 23.0 ppb (21) N/A N/A 5.0 ppb (4) 0.6 ppb (7) 37.0 μg/m3 (34) 12.8 μg/m3 (52) 52.0
 
Jan. 17, 2020, 3 p.m. N/A N/A N/A 22.0 ppb (20) N/A N/A 1.0 ppb (1) 1.4 ppb (16) 39.0 μg/m3 (35) 10.3 μg/m3 (43) 43.0
 
Jan. 17, 2020, 2 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 0.0 ppb (0) 1.1 ppb (12) 22.0 μg/m3 (20) 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2020, 1 p.m. N/A N/A N/A 22.0 ppb (20) N/A N/A 0.0 ppb (0) 0.5 ppb (6) 12.0 μg/m3 (11) 4.7 μg/m3 (20) 20.0
 
Jan. 17, 2020, noon N/A N/A N/A 19.0 ppb (18) N/A N/A 2.0 ppb (2) 0.4 ppb (4) 7.0 μg/m3 (6) 3.6 μg/m3 (15) 18.0
 
Jan. 17, 2020, 11 a.m. N/A N/A N/A 15.0 ppb (14) N/A N/A 7.0 ppb (5) 0.1 ppb (1) 5.0 μg/m3 (5) 3.5 μg/m3 (15) 15.0
 
Jan. 17, 2020, 10 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 17.0 ppb (13) 0.0 ppb (0) 3.0 μg/m3 (3) 2.9 μg/m3 (12) 13.0
 
Jan. 17, 2020, 9 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) 0.0 ppb (0) 2.0 μg/m3 (2) 1.7 μg/m3 (7) 16.0
 
Jan. 17, 2020, 8 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 21.0 ppb (16) 0.0 ppb (0) 3.0 μg/m3 (3) 2.3 μg/m3 (10) 16.0
 
Jan. 17, 2020, 7 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 22.0 ppb (17) 0.0 ppb (0) 3.0 μg/m3 (3) 2.5 μg/m3 (10) 17.0
 
Jan. 17, 2020, 6 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 22.0 ppb (17) 0.0 ppb (0) 7.0 μg/m3 (6) 6.3 μg/m3 (26) 26.0
 
Jan. 17, 2020, 5 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A 19.0 ppb (15) 0.1 ppb (1) 9.0 μg/m3 (8) 6.8 μg/m3 (28) 28.0
 
Jan. 17, 2020, 4 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A 20.0 ppb (15) 0.0 ppb (0) 6.0 μg/m3 (5) 3.7 μg/m3 (15) 15.0
 
Jan. 17, 2020, 3 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 22.0 ppb (17) 0.1 ppb (1) 6.0 μg/m3 (5) 1.8 μg/m3 (8) 17.0
 
Jan. 17, 2020, 2 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 20.0 ppb (15) 0.1 ppb (1) 13.0 μg/m3 (12) 3.9 μg/m3 (16) 16.0
 
Jan. 17, 2020, 1 a.m. N/A N/A N/A 17.0 ppb (16) N/A N/A 16.0 ppb (12) 0.1 ppb (1) 34.0 μg/m3 (31) 9.5 μg/m3 (40) 40.0
 
Jan. 17, 2020, midnight N/A N/A N/A 34.0 ppb (31) N/A N/A 1.0 ppb (1) 0.4 ppb (4) 38.0 μg/m3 (35) 11.6 μg/m3 (48) 48.0
 
Jan. 16, 2020, 11 p.m. N/A N/A N/A 28.0 ppb (26) N/A N/A 7.0 ppb (5) 0.3 ppb (3) 34.0 μg/m3 (31) 11.7 μg/m3 (49) 49.0
 
Jan. 16, 2020, 10 p.m. N/A N/A N/A 21.0 ppb (19) N/A N/A 14.0 ppb (11) 0.2 ppb (2) 30.0 μg/m3 (27) 9.7 μg/m3 (40) 40.0
 
Jan. 16, 2020, 9 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 15.0 ppb (12) 0.2 ppb (2) 44.0 μg/m3 (40) 13.8 μg/m3 (54) 54.0
 
Jan. 16, 2020, 8 p.m. N/A N/A N/A 26.0 ppb (24) N/A N/A 7.0 ppb (5) 0.3 ppb (3) 39.0 μg/m3 (35) 7.9 μg/m3 (33) 35.0
 
Jan. 16, 2020, 7 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 10.0 ppb (8) 0.2 ppb (2) 38.0 μg/m3 (35) 9.6 μg/m3 (40) 40.0
 
Jan. 16, 2020, 6 p.m. N/A N/A N/A 28.0 ppb (26) N/A N/A 5.0 ppb (4) 0.4 ppb (4) 52.0 μg/m3 (47) 15.2 μg/m3 (57) 57.0
 
Jan. 16, 2020, 5 p.m. N/A N/A N/A 28.0 ppb (26) N/A N/A 1.0 ppb (1) 0.6 ppb (7) 41.0 μg/m3 (37) 13.8 μg/m3 (54) 54.0
 
Jan. 16, 2020, 4 p.m. N/A N/A N/A 24.0 ppb (22) N/A N/A 1.0 ppb (1) 0.4 ppb (4) 42.0 μg/m3 (38) 12.1 μg/m3 (50) 50.0
 
Jan. 16, 2020, 3 p.m. N/A N/A N/A 25.0 ppb (23) N/A N/A 0.0 ppb (0) 0.6 ppb (7) 46.0 μg/m3 (42) 13.7 μg/m3 (54) 54.0
 
Jan. 16, 2020, 2 p.m. N/A N/A N/A 23.0 ppb (21) N/A N/A 0.0 ppb (0) 0.7 ppb (8) 43.0 μg/m3 (39) 13.7 μg/m3 (54) 54.0
 
Jan. 16, 2020, 1 p.m. N/A N/A N/A 22.0 ppb (20) N/A N/A 0.0 ppb (0) 1.0 ppb (11) 44.0 μg/m3 (40) 17.0 μg/m3 (61) 61.0
 
Jan. 16, 2020, noon N/A N/A N/A 21.0 ppb (19) N/A N/A 0.0 ppb (0) 1.1 ppb (12) 47.0 μg/m3 (43) 23.9 μg/m3 (75) 75.0
 
Jan. 16, 2020, 11 a.m. N/A N/A N/A 21.0 ppb (19) N/A N/A 0.0 ppb (0) 1.3 ppb (14) 49.0 μg/m3 (45) 26.0 μg/m3 (80) 80.0
 
Jan. 16, 2020, 10 a.m. N/A N/A N/A 24.0 ppb (22) N/A N/A 0.0 ppb (0) 1.2 ppb (13) 52.0 μg/m3 (47) 27.9 μg/m3 (84) 84.0
 
Jan. 16, 2020, 9 a.m. N/A N/A N/A 22.0 ppb (20) N/A N/A 0.0 ppb (0) 1.5 ppb (17) 66.0 μg/m3 (56) 32.9 μg/m3 (94) 94.0
 
Jan. 16, 2020, 8 a.m. N/A N/A N/A 21.0 ppb (19) N/A N/A 0.0 ppb (0) 1.7 ppb (19) 66.0 μg/m3 (56) 31.2 μg/m3 (91) 91.0
 
Jan. 16, 2020, 7 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) 1.7 ppb (19) 70.0 μg/m3 (58) 33.6 μg/m3 (96) 96.0
 
Jan. 16, 2020, 6 a.m. N/A N/A N/A 23.0 ppb (21) N/A N/A 0.0 ppb (0) 1.7 ppb (19) 65.0 μg/m3 (55) 29.2 μg/m3 (87) 87.0
 
Jan. 16, 2020, 5 a.m. N/A N/A N/A 24.0 ppb (22) N/A N/A 0.0 ppb (0) 1.6 ppb (18) 64.0 μg/m3 (54) 23.2 μg/m3 (74) 74.0
 
Jan. 16, 2020, 4 a.m. N/A N/A N/A 26.0 ppb (24) N/A N/A 0.0 ppb (0) 1.5 ppb (17) 67.0 μg/m3 (56) 20.8 μg/m3 (69) 69.0
 
Jan. 16, 2020, 3 a.m. N/A N/A N/A 29.0 ppb (27) N/A N/A 0.0 ppb (0) 1.3 ppb (14) 69.0 μg/m3 (57) 19.5 μg/m3 (66) 66.0
 
Jan. 16, 2020, 2 a.m. N/A N/A N/A 33.0 ppb (31) N/A N/A 0.0 ppb (0) 1.1 ppb (12) 63.0 μg/m3 (54) 14.7 μg/m3 (56) 56.0
 
Jan. 16, 2020, 1 a.m. N/A N/A N/A 37.0 ppb (34) N/A N/A 0.0 ppb (0) 0.7 ppb (8) 50.0 μg/m3 (45) 13.7 μg/m3 (54) 54.0
 
Jan. 16, 2020, midnight N/A N/A N/A 38.0 ppb (35) N/A N/A 3.0 ppb (2) 0.5 ppb (6) 38.0 μg/m3 (35) 14.4 μg/m3 (55) 55.0
 
Jan. 15, 2020, 11 p.m. N/A N/A N/A 31.0 ppb (29) N/A N/A 15.0 ppb (12) 0.3 ppb (3) 33.0 μg/m3 (30) 14.3 μg/m3 (55) 55.0
 
Jan. 15, 2020, 10 p.m. N/A N/A N/A 27.0 ppb (25) N/A N/A 20.0 ppb (15) 0.2 ppb (2) 32.0 μg/m3 (29) 12.8 μg/m3 (52) 52.0
 
Jan. 15, 2020, 9 p.m. N/A N/A N/A 26.0 ppb (24) N/A N/A 20.0 ppb (15) 0.2 ppb (2) 32.0 μg/m3 (29) 14.4 μg/m3 (55) 55.0
 
Jan. 15, 2020, 8 p.m. N/A N/A N/A 23.0 ppb (21) N/A N/A 21.0 ppb (16) 0.2 ppb (2) 27.0 μg/m3 (25) 13.8 μg/m3 (54) 54.0
 
Jan. 15, 2020, 7 p.m. N/A N/A N/A 23.0 ppb (21) N/A N/A 19.0 ppb (15) 0.2 ppb (2) 26.0 μg/m3 (24) 13.4 μg/m3 (53) 53.0
 
Jan. 15, 2020, 6 p.m. N/A N/A N/A 26.0 ppb (24) N/A N/A 14.0 ppb (11) 0.3 ppb (3) 29.0 μg/m3 (26) 14.4 μg/m3 (55) 55.0
 
Jan. 15, 2020, 5 p.m. N/A N/A N/A 22.0 ppb (20) N/A N/A 14.0 ppb (11) 0.3 ppb (3) 33.0 μg/m3 (30) 14.6 μg/m3 (56) 56.0
 
Jan. 15, 2020, 4 p.m. N/A N/A N/A 27.0 ppb (25) N/A N/A 5.0 ppb (4) 0.6 ppb (7) 54.0 μg/m3 (49) 21.7 μg/m3 (71) 71.0
 
Jan. 15, 2020, 3 p.m. N/A N/A N/A 27.0 ppb (25) N/A N/A 1.0 ppb (1) 1.2 ppb (13) 88.0 μg/m3 (66) 25.7 μg/m3 (79) 79.0
 
Jan. 15, 2020, 2 p.m. N/A N/A N/A 23.0 ppb (21) N/A N/A 0.0 ppb (0) 1.7 ppb (19) 87.0 μg/m3 (66) 26.2 μg/m3 (80) 80.0
 
Jan. 15, 2020, 1 p.m. N/A N/A N/A 23.0 ppb (21) N/A N/A 0.0 ppb (0) 1.6 ppb (18) 61.0 μg/m3 (53) 22.1 μg/m3 (71) 71.0
 
Jan. 15, 2020, noon N/A N/A N/A 21.0 ppb (19) N/A N/A 0.0 ppb (0) 1.2 ppb (13) 32.0 μg/m3 (29) 17.0 μg/m3 (61) 61.0
 
Jan. 15, 2020, 11 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) 0.7 ppb (8) 25.0 μg/m3 (23) 13.9 μg/m3 (54) 54.0
 
Jan. 15, 2020, 10 a.m. N/A N/A N/A 21.0 ppb (19) N/A N/A 0.0 ppb (0) 0.6 ppb (7) 25.0 μg/m3 (23) 13.5 μg/m3 (53) 53.0
 
Jan. 15, 2020, 9 a.m. N/A N/A N/A 22.0 ppb (20) N/A N/A 0.0 ppb (0) 0.7 ppb (8) 30.0 μg/m3 (27) 16.5 μg/m3 (60) 60.0
 
Jan. 15, 2020, 8 a.m. N/A N/A N/A 23.0 ppb (21) N/A N/A 0.0 ppb (0) 0.6 ppb (7) 24.0 μg/m3 (22) 14.3 μg/m3 (55) 55.0
 
Jan. 15, 2020, 7 a.m. N/A N/A N/A 27.0 ppb (25) N/A N/A 0.0 ppb (0) 0.6 ppb (7) 27.0 μg/m3 (25) 14.2 μg/m3 (55) 55.0
 
Jan. 15, 2020, 6 a.m. N/A N/A N/A 29.0 ppb (27) N/A N/A 0.0 ppb (0) 0.6 ppb (7) 42.0 μg/m3 (38) 18.7 μg/m3 (64) 64.0
 
Jan. 15, 2020, 5 a.m. N/A N/A N/A 28.0 ppb (26) N/A N/A 0.0 ppb (0) 1.3 ppb (14) 58.0 μg/m3 (52) 24.4 μg/m3 (76) 76.0
 
Jan. 15, 2020, 4 a.m. N/A N/A N/A 30.0 ppb (28) N/A N/A 0.0 ppb (0) 1.4 ppb (16) 70.0 μg/m3 (58) 24.7 μg/m3 (77) 77.0
 
Jan. 15, 2020, 3 a.m. N/A N/A N/A 31.0 ppb (29) N/A N/A 0.0 ppb (0) 1.7 ppb (19) 72.0 μg/m3 (58) 21.2 μg/m3 (70) 70.0
 
Jan. 15, 2020, 2 a.m. N/A N/A N/A 32.0 ppb (30) N/A N/A 1.0 ppb (1) 1.5 ppb (17) 56.0 μg/m3 (50) 13.8 μg/m3 (54) 54.0
 
Jan. 15, 2020, 1 a.m. N/A N/A N/A 34.0 ppb (31) N/A N/A 0.0 ppb (0) 1.3 ppb (14) 38.0 μg/m3 (35) 7.3 μg/m3 (30) 35.0
 
Jan. 15, 2020, midnight N/A N/A N/A 26.0 ppb (24) N/A N/A 16.0 ppb (12) 0.4 ppb (4) 16.0 μg/m3 (15) 4.4 μg/m3 (18) 24.0
 
Jan. 14, 2020, 11 p.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 35.0 ppb (27) 0.1 ppb (1) 15.0 μg/m3 (14) 3.8 μg/m3 (16) 27.0
 
Jan. 14, 2020, 10 p.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 36.0 ppb (28) 0.1 ppb (1) 37.0 μg/m3 (34) 7.6 μg/m3 (32) 34.0
 
Jan. 14, 2020, 9 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 35.0 ppb (27) 0.1 ppb (1) 29.0 μg/m3 (26) 5.7 μg/m3 (24) 27.0
 
Jan. 14, 2020, 8 p.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 30.0 ppb (23) 0.1 ppb (1) 19.0 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2020, 7 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A 24.0 ppb (18) 0.2 ppb (2) 55.0 μg/m3 (50) 19.9 μg/m3 (67) 67.0
 
Jan. 14, 2020, 6 p.m. N/A N/A N/A 40.0 ppb (37) N/A N/A 11.0 ppb (8) 0.6 ppb (7) 65.0 μg/m3 (55) 24.5 μg/m3 (77) 77.0
 
Jan. 14, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 0.6 ppb (7) 47.0 μg/m3 (43) 17.4 μg/m3 (61) 61.0
 
Jan. 14, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) 0.8 ppb (9) N/A N/A 9.0
 
Jan. 14, 2020, 3 p.m. N/A N/A N/A 28.0 ppb (26) N/A N/A 1.0 ppb (1) 1.6 ppb (18) N/A N/A 26.0
 
Jan. 14, 2020, 2 p.m. N/A N/A N/A 27.0 ppb (25) N/A N/A N/A N/A 42.0 μg/m3 (38) 15.5 μg/m3 (57) 57.0
 
Jan. 14, 2020, 1 p.m. N/A N/A N/A 25.0 ppb (23) N/A N/A 0.0 ppb (0) 1.0 ppb (11) 42.0 μg/m3 (38) 18.5 μg/m3 (64) 64.0
 
Jan. 14, 2020, noon N/A N/A N/A 26.0 ppb (24) N/A N/A 0.0 ppb (0) 1.0 ppb (11) 38.0 μg/m3 (35) 18.5 μg/m3 (64) 64.0
 
Jan. 14, 2020, 11 a.m. N/A N/A N/A 25.0 ppb (23) N/A N/A 0.0 ppb (0) 0.8 ppb (9) 34.0 μg/m3 (31) 22.6 μg/m3 (73) 73.0
 
Jan. 14, 2020, 10 a.m. N/A N/A N/A 22.0 ppb (20) N/A N/A 0.0 ppb (0) 1.0 ppb (11) 40.0 μg/m3 (36) 28.0 μg/m3 (84) 84.0
 
Jan. 14, 2020, 9 a.m. N/A N/A N/A 23.0 ppb (21) N/A N/A 0.0 ppb (0) 1.1 ppb (12) 40.0 μg/m3 (36) 26.4 μg/m3 (81) 81.0
 
Jan. 14, 2020, 8 a.m. N/A N/A N/A 22.0 ppb (20) N/A N/A 0.0 ppb (0) 1.3 ppb (14) 41.0 μg/m3 (37) 25.6 μg/m3 (79) 79.0
 
Jan. 14, 2020, 7 a.m. N/A N/A N/A 24.0 ppb (22) N/A N/A 0.0 ppb (0) 1.4 ppb (16) 46.0 μg/m3 (42) 25.6 μg/m3 (79) 79.0
 
Jan. 14, 2020, 6 a.m. N/A N/A N/A 28.0 ppb (26) N/A N/A 0.0 ppb (0) 1.6 ppb (18) 52.0 μg/m3 (47) 29.5 μg/m3 (87) 87.0
 
Jan. 14, 2020, 5 a.m. N/A N/A N/A 28.0 ppb (26) N/A N/A 1.0 ppb (1) 1.6 ppb (18) 68.0 μg/m3 (56) 32.6 μg/m3 (94) 94.0
 
Jan. 14, 2020, 4 a.m. N/A N/A N/A 25.0 ppb (23) N/A N/A 1.0 ppb (1) 2.0 ppb (22) 74.0 μg/m3 (60) 30.6 μg/m3 (90) 90.0
 
Jan. 14, 2020, 3 a.m. N/A N/A N/A 29.0 ppb (27) N/A N/A 0.0 ppb (0) 1.9 ppb (21) 68.0 μg/m3 (56) 20.9 μg/m3 (69) 69.0
 
Jan. 14, 2020, 2 a.m. N/A N/A N/A 33.0 ppb (31) N/A N/A 0.0 ppb (0) 1.5 ppb (17) 44.0 μg/m3 (40) 11.1 μg/m3 (46) 46.0
 
Jan. 14, 2020, 1 a.m. N/A N/A N/A 37.0 ppb (34) N/A N/A 0.0 ppb (0) 1.1 ppb (12) 25.0 μg/m3 (23) 6.2 μg/m3 (26) 34.0
 
Jan. 14, 2020, midnight N/A N/A N/A 19.0 ppb (18) N/A N/A 29.0 ppb (22) 0.3 ppb (3) 15.0 μg/m3 (14) 5.5 μg/m3 (23) 23.0
 
Jan. 13, 2020, 11 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 42.0 ppb (32) 0.1 ppb (1) 13.0 μg/m3 (12) 5.9 μg/m3 (25) 32.0
 
Jan. 13, 2020, 10 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 43.0 ppb (33) 0.1 ppb (1) 9.0 μg/m3 (8) 2.8 μg/m3 (12) 33.0
 
Jan. 13, 2020, 9 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 37.0 ppb (28) 0.1 ppb (1) 15.0 μg/m3 (14) 6.6 μg/m3 (28) 28.0
 
Jan. 13, 2020, 8 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 32.0 ppb (25) 0.1 ppb (1) 14.0 μg/m3 (13) 5.6 μg/m3 (23) 25.0
 
Jan. 13, 2020, 7 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 30.0 ppb (23) 0.1 ppb (1) 15.0 μg/m3 (14) 5.2 μg/m3 (22) 23.0
 
Jan. 13, 2020, 6 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 26.0 ppb (20) 0.2 ppb (2) 21.0 μg/m3 (19) 7.9 μg/m3 (33) 33.0
 
Jan. 13, 2020, 5 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 16.0 ppb (12) 0.3 ppb (3) 29.0 μg/m3 (26) 10.5 μg/m3 (44) 44.0
 
Jan. 13, 2020, 4 p.m. N/A N/A N/A 23.0 ppb (21) N/A N/A 7.0 ppb (5) 0.5 ppb (6) 45.0 μg/m3 (41) 16.5 μg/m3 (60) 60.0
 
Jan. 13, 2020, 3 p.m. N/A N/A N/A 26.0 ppb (24) N/A N/A 1.0 ppb (1) 1.3 ppb (14) 74.0 μg/m3 (60) 23.5 μg/m3 (74) 74.0