AQSQID: 040134003

Site Name: South Phoenix

Location: Phoenix (S Central Ave), AZ

Reporting: True, Located: True

Current AQI: 19.0

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
May 24, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.3 ppb (3) N/A N/A 19.0
 
May 24, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
May 24, 2019, noon N/A N/A N/A N/A N/A N/A 7.0 ppb (5) 0.5 ppb (6) 20.0 μg/m3 (18) 7.6 μg/m3 (32) 32.0
 
May 24, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 0.4 ppb (4) 17.0 μg/m3 (15) 7.5 μg/m3 (31) 31.0
 
May 24, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.2 ppb (2) 13.0 μg/m3 (12) 5.6 μg/m3 (23) 23.0
 
May 24, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.2 ppb (2) 14.0 μg/m3 (13) 6.3 μg/m3 (26) 26.0
 
May 24, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.3 ppb (3) 19.0 μg/m3 (17) 8.5 μg/m3 (35) 35.0
 
May 24, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) 0.4 ppb (4) 18.0 μg/m3 (16) 7.2 μg/m3 (30) 30.0
 
May 24, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) 0.4 ppb (4) 17.0 μg/m3 (15) 5.2 μg/m3 (22) 22.0
 
May 24, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.3 ppb (3) 11.0 μg/m3 (10) 4.6 μg/m3 (19) 19.0
 
May 24, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.2 ppb (2) 8.0 μg/m3 (7) 3.4 μg/m3 (14) 30.0
 
May 24, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) 0.1 ppb (1) 7.0 μg/m3 (6) 3.0 μg/m3 (12) 36.0
 
May 24, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 0.1 ppb (1) 6.0 μg/m3 (5) 2.5 μg/m3 (10) 39.0
 
May 24, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) 0.1 ppb (1) 6.0 μg/m3 (5) 2.5 μg/m3 (10) 42.0
 
May 24, 2019, midnight N/A N/A N/A N/A N/A N/A 54.0 ppb (42) 0.1 ppb (1) 9.0 μg/m3 (8) 4.9 μg/m3 (20) 42.0
 
May 23, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 0.1 ppb (1) 6.0 μg/m3 (5) 2.4 μg/m3 (10) 41.0
 
May 23, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 0.1 ppb (1) 4.0 μg/m3 (4) 1.8 μg/m3 (8) 41.0
 
May 23, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) 0.1 ppb (1) 4.0 μg/m3 (4) 1.4 μg/m3 (6) 40.0
 
May 23, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 0.0 ppb (0) 4.0 μg/m3 (4) 2.5 μg/m3 (10) 39.0
 
May 23, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 0.0 ppb (0) 3.0 μg/m3 (3) 1.7 μg/m3 (7) 38.0
 
May 23, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.0 ppb (0) 7.0 μg/m3 (6) 4.0 μg/m3 (17) 38.0
 
May 23, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) 0.0 ppb (0) 6.0 μg/m3 (5) 1.3 μg/m3 (5) 36.0
 
May 23, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 0.0 ppb (0) 7.0 μg/m3 (6) 1.3 μg/m3 (5) 35.0
 
May 23, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.1 ppb (1) 8.0 μg/m3 (7) 2.6 μg/m3 (11) 33.0
 
May 23, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.1 ppb (1) 7.0 μg/m3 (6) 2.7 μg/m3 (11) 32.0
 
May 23, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.1 ppb (1) 8.0 μg/m3 (7) 3.8 μg/m3 (16) 29.0
 
May 23, 2019, noon N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.1 ppb (1) 6.0 μg/m3 (5) 2.9 μg/m3 (12) 29.0
 
May 23, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.1 ppb (1) 5.0 μg/m3 (5) 1.4 μg/m3 (6) 33.0
 
May 23, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.0 ppb (0) 11.0 μg/m3 (10) 3.0 μg/m3 (12) 35.0
 
May 23, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.0 ppb (0) 22.0 μg/m3 (20) 3.4 μg/m3 (14) 38.0
 
May 23, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.0 ppb (0) 26.0 μg/m3 (24) 4.2 μg/m3 (18) 38.0
 
May 23, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) 0.0 ppb (0) 18.0 μg/m3 (16) 4.8 μg/m3 (20) 36.0
 
May 23, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.0 ppb (0) 11.0 μg/m3 (10) 3.3 μg/m3 (14) 35.0
 
May 23, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 0.1 ppb (1) 15.0 μg/m3 (14) 3.7 μg/m3 (15) 38.0
 
May 23, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) 0.1 ppb (1) 15.0 μg/m3 (14) 2.4 μg/m3 (10) 37.0
 
May 23, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) 0.1 ppb (1) 12.0 μg/m3 (11) 2.0 μg/m3 (8) 36.0
 
May 23, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 0.1 ppb (1) 12.0 μg/m3 (11) 1.5 μg/m3 (6) 38.0
 
May 23, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) 0.1 ppb (1) 11.0 μg/m3 (10) 2.0 μg/m3 (8) 40.0
 
May 23, 2019, midnight N/A N/A N/A N/A N/A N/A 54.0 ppb (42) 0.1 ppb (1) 9.0 μg/m3 (8) 1.5 μg/m3 (6) 42.0
 
May 22, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) 0.1 ppb (1) 10.0 μg/m3 (9) 1.3 μg/m3 (5) 42.0
 
May 22, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) 0.1 ppb (1) 10.0 μg/m3 (9) 1.4 μg/m3 (6) 42.0
 
May 22, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) 0.0 ppb (0) 8.0 μg/m3 (7) 2.1 μg/m3 (9) 42.0
 
May 22, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) 0.0 ppb (0) 8.0 μg/m3 (7) 1.2 μg/m3 (5) 42.0
 
May 22, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 0.1 ppb (1) 18.0 μg/m3 (16) 3.7 μg/m3 (15) 41.0
 
May 22, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 0.1 ppb (1) 29.0 μg/m3 (26) 2.9 μg/m3 (12) 39.0
 
May 22, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 0.1 ppb (1) 24.0 μg/m3 (22) 4.3 μg/m3 (18) 38.0
 
May 22, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 0.0 ppb (0) 25.0 μg/m3 (23) 5.9 μg/m3 (25) 38.0
 
May 22, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) 0.0 ppb (0) 31.0 μg/m3 (28) 7.0 μg/m3 (29) 36.0
 
May 22, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.1 ppb (1) 42.0 μg/m3 (38) 8.4 μg/m3 (35) 38.0
 
May 22, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.1 ppb (1) 53.0 μg/m3 (48) 11.5 μg/m3 (48) 48.0
 
May 22, 2019, noon N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.1 ppb (1) 49.0 μg/m3 (45) 11.0 μg/m3 (46) 46.0
 
May 22, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.1 ppb (1) 42.0 μg/m3 (38) 8.2 μg/m3 (34) 38.0
 
May 22, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.0 ppb (0) 46.0 μg/m3 (42) 9.8 μg/m3 (41) 42.0
 
May 22, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 0.0 ppb (0) 57.0 μg/m3 (51) 11.1 μg/m3 (46) 51.0
 
May 22, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 0.0 ppb (0) 67.0 μg/m3 (56) 11.6 μg/m3 (48) 56.0
 
May 22, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 0.1 ppb (1) 81.0 μg/m3 (63) 12.9 μg/m3 (52) 63.0
 
May 22, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) 0.0 ppb (0) 66.0 μg/m3 (56) 13.5 μg/m3 (53) 56.0
 
May 22, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) 0.1 ppb (1) 37.0 μg/m3 (34) 8.0 μg/m3 (33) 42.0
 
May 22, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) 0.1 ppb (1) 17.0 μg/m3 (15) 3.1 μg/m3 (13) 40.0
 
May 22, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) 0.1 ppb (1) 29.0 μg/m3 (26) 4.2 μg/m3 (18) 45.0
 
May 22, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (48) 0.1 ppb (1) 26.0 μg/m3 (24) 0.7 μg/m3 (3) 48.0
 
May 22, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) 0.1 ppb (1) 35.0 μg/m3 (32) 1.2 μg/m3 (5) 46.0
 
May 22, 2019, midnight N/A N/A N/A N/A N/A N/A 59.0 ppb (45) 0.1 ppb (1) 38.0 μg/m3 (35) 4.2 μg/m3 (18) 45.0
 
May 21, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) 0.1 ppb (1) 56.0 μg/m3 (50) 5.4 μg/m3 (23) 50.0
 
May 21, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) 0.1 ppb (1) 26.0 μg/m3 (24) 2.2 μg/m3 (9) 43.0
 
May 21, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) 0.1 ppb (1) 12.0 μg/m3 (11) 1.6 μg/m3 (7) 43.0
 
May 21, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) 0.1 ppb (1) 14.0 μg/m3 (13) -0.9 μg/m3 (0) 42.0
 
May 21, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) 0.1 ppb (1) 11.0 μg/m3 (10) 2.5 μg/m3 (10) 42.0
 
May 21, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) 0.1 ppb (1) 14.0 μg/m3 (13) 4.5 μg/m3 (19) 42.0
 
May 21, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 0.1 ppb (1) 15.0 μg/m3 (14) 2.6 μg/m3 (11) 41.0
 
May 21, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.1 ppb (1) 21.0 μg/m3 (19) 3.9 μg/m3 (16) 34.0
 
May 21, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.1 ppb (1) 22.0 μg/m3 (20) 4.1 μg/m3 (17) 28.0
 
May 21, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 4.0 μg/m3 (17) 19.0
 
May 21, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.2 ppb (2) 15.0 μg/m3 (14) 2.3 μg/m3 (10) 18.0
 
May 21, 2019, noon N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.1 ppb (1) 9.0 μg/m3 (8) 2.3 μg/m3 (10) 22.0
 
May 21, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.1 ppb (1) 5.0 μg/m3 (5) 1.2 μg/m3 (5) 25.0
 
May 21, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.1 ppb (1) 7.0 μg/m3 (6) 2.8 μg/m3 (12) 28.0
 
May 21, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.1 ppb (1) 8.0 μg/m3 (7) 3.1 μg/m3 (13) 29.0
 
May 21, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.1 ppb (1) 9.0 μg/m3 (8) 2.5 μg/m3 (10) 28.0
 
May 21, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.1 ppb (1) 8.0 μg/m3 (7) 2.2 μg/m3 (9) 28.0
 
May 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.1 ppb (1) 8.0 μg/m3 (7) 1.3 μg/m3 (5) 32.0
 
May 21, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.1 ppb (1) 13.0 μg/m3 (12) 2.7 μg/m3 (11) 35.0
 
May 21, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.1 ppb (1) 13.0 μg/m3 (12) 2.6 μg/m3 (11) 31.0
 
May 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.1 ppb (1) 12.0 μg/m3 (11) 0.9 μg/m3 (4) 35.0
 
May 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) 0.1 ppb (1) 14.0 μg/m3 (13) 1.8 μg/m3 (8) 40.0
 
May 21, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 0.1 ppb (1) 23.0 μg/m3 (21) 1.2 μg/m3 (5) 41.0
 
May 21, 2019, midnight N/A N/A N/A N/A N/A N/A 54.0 ppb (42) 0.1 ppb (1) 41.0 μg/m3 (37) 3.8 μg/m3 (16) 42.0
 
May 20, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) 0.1 ppb (1) 40.0 μg/m3 (36) 4.2 μg/m3 (18) 42.0
 
May 20, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) 0.1 ppb (1) 35.0 μg/m3 (32) 1.9 μg/m3 (8) 42.0
 
May 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 0.0 ppb (0) 50.0 μg/m3 (45) 3.3 μg/m3 (14) 45.0
 
May 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) 0.0 ppb (0) 26.0 μg/m3 (24) 1.1 μg/m3 (5) 40.0
 
May 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) 0.0 ppb (0) 11.0 μg/m3 (10) -0.1 μg/m3 (0) 40.0
 
May 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 0.0 ppb (0) 10.0 μg/m3 (9) 1.5 μg/m3 (6) 39.0
 
May 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.0 ppb (0) 14.0 μg/m3 (13) 2.0 μg/m3 (8) 38.0
 
May 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) 0.0 ppb (0) 20.0 μg/m3 (18) 4.6 μg/m3 (19) 37.0
 
May 20, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.1 ppb (1) 21.0 μg/m3 (19) 5.1 μg/m3 (21) 35.0
 
May 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.1 ppb (1) 20.0 μg/m3 (18) 3.1 μg/m3 (13) 34.0
 
May 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 0.1 ppb (1) 22.0 μg/m3 (20) 3.8 μg/m3 (16) 35.0
 
May 20, 2019, noon N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.1 ppb (1) 21.0 μg/m3 (19) 3.8 μg/m3 (16) 35.0
 
May 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.1 ppb (1) 15.0 μg/m3 (14) 3.4 μg/m3 (14) 38.0
 
May 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) 0.0 ppb (0) 16.0 μg/m3 (15) 4.0 μg/m3 (17) 40.0
 
May 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 0.0 ppb (0) 21.0 μg/m3 (19) 4.5 μg/m3 (19) 39.0
 
May 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 0.0 ppb (0) 24.0 μg/m3 (22) 3.6 μg/m3 (15) 39.0
 
May 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.0 ppb (0) 19.0 μg/m3 (17) 5.2 μg/m3 (22) 33.0
 
May 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.0 ppb (0) 21.0 μg/m3 (19) 6.6 μg/m3 (28) 32.0
 
May 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.0 ppb (0) 18.0 μg/m3 (16) 4.2 μg/m3 (18) 31.0
 
May 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.1 ppb (1) 12.0 μg/m3 (11) 1.6 μg/m3 (7) 28.0
 
May 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.1 ppb (1) 11.0 μg/m3 (10) 1.6 μg/m3 (7) 25.0
 
May 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.1 ppb (1) 17.0 μg/m3 (15) 0.6 μg/m3 (2) 26.0
 
May 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.1 ppb (1) 26.0 μg/m3 (24) 2.5 μg/m3 (10) 32.0
 
May 20, 2019, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.0 ppb (0) 17.0 μg/m3 (15) 3.3 μg/m3 (14) 33.0
 
May 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.0 ppb (0) 16.0 μg/m3 (15) 4.7 μg/m3 (20) 35.0
 
May 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) 0.0 ppb (0) 12.0 μg/m3 (11) 1.7 μg/m3 (7) 40.0
 
May 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) 0.1 ppb (1) 21.0 μg/m3 (19) 3.8 μg/m3 (16) 43.0
 
May 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) 0.0 ppb (0) 22.0 μg/m3 (20) 2.3 μg/m3 (10) 44.0
 
May 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) 0.1 ppb (1) 16.0 μg/m3 (15) 4.3 μg/m3 (18) 43.0
 
May 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) 0.1 ppb (1) 11.0 μg/m3 (10) 3.8 μg/m3 (16) 42.0
 
May 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) 0.1 ppb (1) 15.0 μg/m3 (14) 7.2 μg/m3 (30) 42.0
 
May 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 0.1 ppb (1) 21.0 μg/m3 (19) 7.8 μg/m3 (32) 38.0
 
May 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.2 ppb (2) 28.0 μg/m3 (25) 12.0 μg/m3 (50) 50.0
 
May 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.2 ppb (2) 26.0 μg/m3 (24) 10.0 μg/m3 (42) 42.0
 
May 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.1 ppb (1) 19.0 μg/m3 (17) 5.2 μg/m3 (22) 23.0
 
May 19, 2019, noon N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.1 ppb (1) 16.0 μg/m3 (15) 4.7 μg/m3 (20) 25.0
 
May 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.1 ppb (1) 16.0 μg/m3 (15) 8.2 μg/m3 (34) 34.0
 
May 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) 0.1 ppb (1) 11.0 μg/m3 (10) 4.2 μg/m3 (18) 36.0
 
May 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) 0.1 ppb (1) 15.0 μg/m3 (14) 5.1 μg/m3 (21) 37.0
 
May 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.1 ppb (1) 15.0 μg/m3 (14) 5.6 μg/m3 (23) 38.0
 
May 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.1 ppb (1) 14.0 μg/m3 (13) 3.3 μg/m3 (14) 35.0
 
May 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.2 ppb (2) 23.0 μg/m3 (21) 4.5 μg/m3 (19) 28.0
 
May 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.5 ppb (6) 27.0 μg/m3 (25) 7.0 μg/m3 (29) 29.0
 
May 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 1.0 ppb (11) 28.0 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
May 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.3 ppb (3) 25.0 μg/m3 (23) 5.6 μg/m3 (23) 25.0
 
May 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 0.1 ppb (1) 18.0 μg/m3 (16) 4.4 μg/m3 (18) 38.0
 
May 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) 0.1 ppb (1) 11.0 μg/m3 (10) 3.9 μg/m3 (16) 42.0
 
May 19, 2019, midnight N/A N/A N/A N/A N/A N/A 56.0 ppb (43) 0.0 ppb (0) 10.0 μg/m3 (9) 4.5 μg/m3 (19) 43.0
 
May 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) 0.0 ppb (0) 10.0 μg/m3 (9) 4.4 μg/m3 (18) 44.0
 
May 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) 0.0 ppb (0) 9.0 μg/m3 (8) 4.4 μg/m3 (18) 45.0
 
May 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) 0.1 ppb (1) 4.0 μg/m3 (4) 0.4 μg/m3 (2) 44.0
 
May 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) 0.0 ppb (0) 6.0 μg/m3 (5) 1.1 μg/m3 (5) 45.0
 
May 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) 0.0 ppb (0) 6.0 μg/m3 (5) 2.3 μg/m3 (10) 44.0
 
May 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) 0.0 ppb (0) 8.0 μg/m3 (7) 2.4 μg/m3 (10) 42.0
 
May 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 0.1 ppb (1) 15.0 μg/m3 (14) 4.1 μg/m3 (17) 39.0
 
May 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 0.1 ppb (1) 13.0 μg/m3 (12) 2.0 μg/m3 (8) 35.0
 
May 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.1 ppb (1) 17.0 μg/m3 (15) 2.3 μg/m3 (10) 32.0
 
May 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.2 ppb (2) 33.0 μg/m3 (30) 5.6 μg/m3 (23) 30.0
 
May 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.3 ppb (3) 32.0 μg/m3 (29) 4.7 μg/m3 (20) 29.0
 
May 18, 2019, noon N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.3 ppb (3) 19.0 μg/m3 (17) 5.8 μg/m3 (24) 24.0
 
May 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.2 ppb (2) 14.0 μg/m3 (13) 3.6 μg/m3 (15) 19.0
 
May 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.2 ppb (2) 15.0 μg/m3 (14) 3.8 μg/m3 (16) 25.0
 
May 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.1 ppb (1) 22.0 μg/m3 (20) 4.6 μg/m3 (19) 22.0
 
May 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.3 ppb (3) 32.0 μg/m3 (29) 7.3 μg/m3 (30) 30.0
 
May 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.2 ppb (2) 22.0 μg/m3 (20) 6.2 μg/m3 (26) 26.0
 
May 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.1 ppb (1) 17.0 μg/m3 (15) 4.9 μg/m3 (20) 26.0
 
May 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.1 ppb (1) 16.0 μg/m3 (15) 2.9 μg/m3 (12) 30.0
 
May 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.1 ppb (1) 16.0 μg/m3 (15) 2.4 μg/m3 (10) 32.0
 
May 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.1 ppb (1) 20.0 μg/m3 (18) 3.0 μg/m3 (12) 33.0
 
May 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) 0.1 ppb (1) 14.0 μg/m3 (13) 2.0 μg/m3 (8) 36.0
 
May 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 0.1 ppb (1) 16.0 μg/m3 (15) 4.8 μg/m3 (20) 39.0
 
May 18, 2019, midnight N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 0.0 ppb (0) 21.0 μg/m3 (19) 6.8 μg/m3 (28) 38.0
 
May 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.0 ppb (0) 20.0 μg/m3 (18) 3.2 μg/m3 (13) 38.0
 
May 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 0.0 ppb (0) 17.0 μg/m3 (15) 0.8 μg/m3 (3) 39.0
 
May 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) 0.0 ppb (0) 17.0 μg/m3 (15) 2.5 μg/m3 (10) 40.0
 
May 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) 0.0 ppb (0) 16.0 μg/m3 (15) 2.2 μg/m3 (9) 42.0
 
May 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) 0.0 ppb (0) N/A N/A 43.0
 
May 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) 0.0 ppb (0) N/A N/A 46.0
 
May 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) 0.0 ppb (0) 30.0 μg/m3 (27) 5.0 μg/m3 (21) 45.0
 
May 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 0.1 ppb (1) 33.0 μg/m3 (30) 6.4 μg/m3 (27) 41.0
 
May 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.1 ppb (1) 27.0 μg/m3 (25) 4.3 μg/m3 (18) 38.0