AQSQID: 040134003

Site Name: South Phoenix

Location: Phoenix (S Central Ave), AZ

Reporting: True, Located: True

Current AQI: 56.0

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
March 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 0.7 ppb (8) 51.0 μg/m3 (46) 14.9 μg/m3 (56) 56.0
 
March 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) 0.8 ppb (9) 30.0 μg/m3 (27) 8.3 μg/m3 (35) 35.0
 
March 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.4 ppb (4) 20.0 μg/m3 (18) 5.9 μg/m3 (25) 25.0
 
March 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) 0.2 ppb (2) 8.0 μg/m3 (7) 2.6 μg/m3 (11) 40.0
 
March 19, 2019, midnight N/A N/A N/A N/A N/A N/A 62.0 ppb (48) 0.1 ppb (1) 9.0 μg/m3 (8) 4.7 μg/m3 (20) 48.0
 
March 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) 0.1 ppb (1) 8.0 μg/m3 (7) 3.7 μg/m3 (15) 49.0
 
March 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (48) 0.1 ppb (1) 8.0 μg/m3 (7) 3.8 μg/m3 (16) 48.0
 
March 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) 0.1 ppb (1) 10.0 μg/m3 (9) 4.9 μg/m3 (20) 48.0
 
March 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) 0.1 ppb (1) 10.0 μg/m3 (9) 6.4 μg/m3 (27) 47.0
 
March 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) 0.1 ppb (1) 10.0 μg/m3 (9) 5.6 μg/m3 (23) 44.0
 
March 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 0.1 ppb (1) 10.0 μg/m3 (9) 5.2 μg/m3 (22) 38.0
 
March 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.1 ppb (1) 11.0 μg/m3 (10) 4.3 μg/m3 (18) 33.0
 
March 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.1 ppb (1) 14.0 μg/m3 (13) 5.1 μg/m3 (21) 28.0
 
March 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.3 ppb (3) 16.0 μg/m3 (15) 6.4 μg/m3 (27) 27.0
 
March 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) 0.5 ppb (6) 17.0 μg/m3 (15) 5.5 μg/m3 (23) 23.0
 
March 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 0.5 ppb (6) 19.0 μg/m3 (17) 8.8 μg/m3 (37) 37.0
 
March 18, 2019, noon N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.5 ppb (6) 16.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
March 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) 0.3 ppb (3) 11.0 μg/m3 (10) 6.3 μg/m3 (26) 26.0
 
March 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) 0.2 ppb (2) 10.0 μg/m3 (9) 5.9 μg/m3 (25) 25.0
 
March 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.2 ppb (2) 10.0 μg/m3 (9) 5.1 μg/m3 (21) 21.0
 
March 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.2 ppb (2) 13.0 μg/m3 (12) 6.9 μg/m3 (29) 29.0
 
March 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) 0.4 ppb (4) 32.0 μg/m3 (29) 12.7 μg/m3 (51) 51.0
 
March 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.8 ppb (9) 29.0 μg/m3 (26) 13.9 μg/m3 (54) 54.0
 
March 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.8 ppb (9) 30.0 μg/m3 (27) 14.5 μg/m3 (55) 55.0
 
March 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 1.1 ppb (12) 36.0 μg/m3 (33) 16.2 μg/m3 (59) 59.0
 
March 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 0.8 ppb (9) 32.0 μg/m3 (29) 11.2 μg/m3 (47) 47.0
 
March 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.5 ppb (6) 12.0 μg/m3 (11) 5.8 μg/m3 (24) 24.0
 
March 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 0.2 ppb (2) 8.0 μg/m3 (7) 4.4 μg/m3 (18) 39.0
 
March 18, 2019, midnight N/A N/A N/A N/A N/A N/A 56.0 ppb (43) 0.1 ppb (1) 7.0 μg/m3 (6) 4.8 μg/m3 (20) 43.0
 
March 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) 0.1 ppb (1) 7.0 μg/m3 (6) 4.4 μg/m3 (18) 43.0
 
March 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) 0.1 ppb (1) 5.0 μg/m3 (5) 3.2 μg/m3 (13) 43.0
 
March 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) 0.1 ppb (1) 6.0 μg/m3 (5) 3.7 μg/m3 (15) 42.0
 
March 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) 0.1 ppb (1) 4.0 μg/m3 (4) 2.8 μg/m3 (12) 42.0
 
March 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) 0.1 ppb (1) 6.0 μg/m3 (5) 4.3 μg/m3 (18) 40.0
 
March 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) 0.1 ppb (1) 5.0 μg/m3 (5) 3.8 μg/m3 (16) 37.0
 
March 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 0.1 ppb (1) 5.0 μg/m3 (5) 3.3 μg/m3 (14) 35.0
 
March 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.1 ppb (1) 4.0 μg/m3 (4) 2.6 μg/m3 (11) 33.0
 
March 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.1 ppb (1) 4.0 μg/m3 (4) 2.4 μg/m3 (10) 31.0
 
March 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.1 ppb (1) 3.0 μg/m3 (3) 2.2 μg/m3 (9) 29.0
 
March 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.1 ppb (1) 1.0 μg/m3 (1) 1.0 μg/m3 (4) 28.0
 
March 17, 2019, noon N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.1 ppb (1) 5.0 μg/m3 (5) 4.4 μg/m3 (18) 29.0
 
March 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.1 ppb (1) 5.0 μg/m3 (5) 3.3 μg/m3 (14) 28.0
 
March 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.1 ppb (1) 7.0 μg/m3 (6) 4.6 μg/m3 (19) 26.0
 
March 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.2 ppb (2) 6.0 μg/m3 (5) 3.0 μg/m3 (12) 22.0
 
March 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.2 ppb (2) 4.0 μg/m3 (4) 2.2 μg/m3 (9) 25.0
 
March 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.1 ppb (1) 5.0 μg/m3 (5) 2.3 μg/m3 (10) 28.0
 
March 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.2 ppb (2) 10.0 μg/m3 (9) 5.5 μg/m3 (23) 25.0
 
March 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.3 ppb (3) 12.0 μg/m3 (11) 6.1 μg/m3 (25) 25.0
 
March 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.3 ppb (3) 11.0 μg/m3 (10) 5.3 μg/m3 (22) 22.0
 
March 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.2 ppb (2) 10.0 μg/m3 (9) 4.6 μg/m3 (19) 22.0
 
March 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.2 ppb (2) 11.0 μg/m3 (10) 5.1 μg/m3 (21) 27.0
 
March 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.1 ppb (1) 7.0 μg/m3 (6) 2.2 μg/m3 (9) 33.0
 
March 17, 2019, midnight N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.1 ppb (1) 11.0 μg/m3 (10) 4.9 μg/m3 (20) 38.0
 
March 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 0.1 ppb (1) 13.0 μg/m3 (12) 5.2 μg/m3 (22) 39.0
 
March 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 0.1 ppb (1) 13.0 μg/m3 (12) 4.0 μg/m3 (17) 41.0
 
March 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 0.1 ppb (1) 13.0 μg/m3 (12) 4.4 μg/m3 (18) 41.0
 
March 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) 0.1 ppb (1) 13.0 μg/m3 (12) 4.9 μg/m3 (20) 42.0
 
March 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 0.1 ppb (1) 12.0 μg/m3 (11) 4.5 μg/m3 (19) 41.0
 
March 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 0.1 ppb (1) 14.0 μg/m3 (13) 6.2 μg/m3 (26) 39.0
 
March 16, 2019, 5 p.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) 5.6 μg/m3 (23) 36.0
 
March 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 0.1 ppb (1) 17.0 μg/m3 (15) 4.9 μg/m3 (20) 35.0
 
March 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.1 ppb (1) 15.0 μg/m3 (14) 4.4 μg/m3 (18) 32.0
 
March 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.2 ppb (2) 20.0 μg/m3 (18) 6.9 μg/m3 (29) 29.0
 
March 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.3 ppb (3) 23.0 μg/m3 (21) 8.6 μg/m3 (36) 36.0
 
March 16, 2019, noon N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.3 ppb (3) 29.0 μg/m3 (26) 11.9 μg/m3 (50) 50.0
 
March 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.3 ppb (3) 28.0 μg/m3 (25) 10.5 μg/m3 (44) 44.0
 
March 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.2 ppb (2) 23.0 μg/m3 (21) 5.9 μg/m3 (25) 25.0
 
March 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.1 ppb (1) 24.0 μg/m3 (22) 5.8 μg/m3 (24) 31.0
 
March 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.1 ppb (1) 27.0 μg/m3 (25) 7.1 μg/m3 (30) 31.0
 
March 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.2 ppb (2) 29.0 μg/m3 (26) 7.1 μg/m3 (30) 30.0
 
March 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.2 ppb (2) 26.0 μg/m3 (24) 6.4 μg/m3 (27) 28.0
 
March 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.2 ppb (2) 25.0 μg/m3 (23) 6.9 μg/m3 (29) 29.0
 
March 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.3 ppb (3) 25.0 μg/m3 (23) 6.5 μg/m3 (27) 27.0
 
March 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.3 ppb (3) 24.0 μg/m3 (22) 4.2 μg/m3 (18) 22.0
 
March 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.3 ppb (3) 16.0 μg/m3 (15) 3.1 μg/m3 (13) 24.0
 
March 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.2 ppb (2) 13.0 μg/m3 (12) 3.1 μg/m3 (13) 33.0
 
March 16, 2019, midnight N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.1 ppb (1) 10.0 μg/m3 (9) 3.1 μg/m3 (13) 38.0
 
March 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) 0.1 ppb (1) 10.0 μg/m3 (9) 4.7 μg/m3 (20) 40.0
 
March 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) 0.1 ppb (1) 7.0 μg/m3 (6) 2.3 μg/m3 (10) 42.0
 
March 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) 0.1 ppb (1) 7.0 μg/m3 (6) 2.8 μg/m3 (12) 42.0
 
March 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) 0.1 ppb (1) 7.0 μg/m3 (6) 3.9 μg/m3 (16) 40.0
 
March 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.1 ppb (1) 6.0 μg/m3 (5) 4.0 μg/m3 (17) 38.0
 
March 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) 0.1 ppb (1) 6.0 μg/m3 (5) 3.3 μg/m3 (14) 37.0
 
March 15, 2019, 5 p.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) 7.3 μg/m3 (30) 36.0
 
March 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.3 ppb (3) 15.0 μg/m3 (14) 10.9 μg/m3 (45) 45.0
 
March 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.3 ppb (3) 26.0 μg/m3 (24) 15.0 μg/m3 (56) 56.0
 
March 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) 1.1 ppb (12) 34.0 μg/m3 (31) 14.1 μg/m3 (54) 54.0
 
March 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (11) 19.0 μg/m3 (17) 7.7 μg/m3 (32) 32.0
 
March 15, 2019, noon N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.6 ppb (7) 14.0 μg/m3 (13) 7.7 μg/m3 (32) 32.0
 
March 15, 2019, 11 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) 9.5 μg/m3 (40) 40.0
 
March 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.3 ppb (3) 12.0 μg/m3 (11) 8.6 μg/m3 (36) 36.0
 
March 15, 2019, 9 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) 8.3 μg/m3 (35) 35.0
 
March 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.3 ppb (3) 13.0 μg/m3 (12) 7.8 μg/m3 (32) 32.0
 
March 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.3 ppb (3) 16.0 μg/m3 (15) 10.1 μg/m3 (42) 42.0
 
March 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) 0.4 ppb (4) 16.0 μg/m3 (15) 7.6 μg/m3 (32) 32.0
 
March 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.3 ppb (3) 23.0 μg/m3 (21) 8.4 μg/m3 (35) 35.0
 
March 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.4 ppb (4) 21.0 μg/m3 (19) 8.5 μg/m3 (35) 35.0
 
March 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.3 ppb (3) 12.0 μg/m3 (11) 6.6 μg/m3 (28) 28.0
 
March 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.2 ppb (2) 8.0 μg/m3 (7) 3.7 μg/m3 (15) 31.0
 
March 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.2 ppb (2) 3.0 μg/m3 (3) 0.6 μg/m3 (2) 34.0
 
March 15, 2019, midnight N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 0.1 ppb (1) 2.0 μg/m3 (2) 2.0 μg/m3 (8) 38.0
 
March 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 0.1 ppb (1) 5.0 μg/m3 (5) 5.1 μg/m3 (21) 39.0
 
March 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 0.1 ppb (1) 9.0 μg/m3 (8) 7.6 μg/m3 (32) 39.0
 
March 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 0.1 ppb (1) 9.0 μg/m3 (8) 6.1 μg/m3 (25) 38.0
 
March 14, 2019, 8 p.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) 4.3 μg/m3 (18) 36.0
 
March 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 0.1 ppb (1) 7.0 μg/m3 (6) 4.5 μg/m3 (19) 35.0
 
March 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.1 ppb (1) 7.0 μg/m3 (6) 4.3 μg/m3 (18) 33.0
 
March 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.2 ppb (2) 8.0 μg/m3 (7) 2.5 μg/m3 (10) 29.0
 
March 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.2 ppb (2) 13.0 μg/m3 (12) 4.3 μg/m3 (18) 22.0
 
March 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.2 ppb (2) 10.0 μg/m3 (9) 3.9 μg/m3 (16) 18.0
 
March 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.3 ppb (3) 12.0 μg/m3 (11) 4.4 μg/m3 (18) 18.0
 
March 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) 0.4 ppb (4) 12.0 μg/m3 (11) 6.3 μg/m3 (26) 26.0
 
March 14, 2019, noon N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.2 ppb (2) 13.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
March 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.2 ppb (2) 8.0 μg/m3 (7) 4.6 μg/m3 (19) 19.0
 
March 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.2 ppb (2) 5.0 μg/m3 (5) 1.8 μg/m3 (8) 18.0
 
March 14, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.1 ppb (1) 5.0 μg/m3 (5) 2.7 μg/m3 (11) 20.0
 
March 14, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.2 ppb (2) 9.0 μg/m3 (8) 6.6 μg/m3 (28) 28.0
 
March 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.2 ppb (2) 9.0 μg/m3 (8) 5.3 μg/m3 (22) 22.0
 
March 14, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.2 ppb (2) 9.0 μg/m3 (8) 5.2 μg/m3 (22) 22.0
 
March 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.2 ppb (2) 10.0 μg/m3 (9) 3.9 μg/m3 (16) 20.0
 
March 14, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.2 ppb (2) 10.0 μg/m3 (9) 4.0 μg/m3 (17) 24.0
 
March 14, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.2 ppb (2) 9.0 μg/m3 (8) 3.9 μg/m3 (16) 27.0
 
March 14, 2019, 2 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) 1.0 μg/m3 (4) 33.0
 
March 14, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.1 ppb (1) 6.0 μg/m3 (5) 1.4 μg/m3 (6) 38.0
 
March 14, 2019, midnight N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 0.1 ppb (1) 8.0 μg/m3 (7) 0.8 μg/m3 (3) 41.0
 
March 13, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 0.1 ppb (1) 12.0 μg/m3 (11) 0.7 μg/m3 (3) 41.0
 
March 13, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) 0.1 ppb (1) 22.0 μg/m3 (20) 2.8 μg/m3 (12) 42.0
 
March 13, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) 0.1 ppb (1) 20.0 μg/m3 (18) 4.7 μg/m3 (20) 42.0
 
March 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) 0.1 ppb (1) 12.0 μg/m3 (11) -0.9 μg/m3 (0) 40.0
 
March 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 0.1 ppb (1) N/A N/A 38.0
 
March 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.1 ppb (1) 11.0 μg/m3 (10) 6.5 μg/m3 (27) 34.0
 
March 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.1 ppb (1) 9.0 μg/m3 (8) 5.2 μg/m3 (22) 33.0
 
March 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.1 ppb (1) 6.0 μg/m3 (5) 3.8 μg/m3 (16) 32.0
 
March 13, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.1 ppb (1) 5.0 μg/m3 (5) 4.4 μg/m3 (18) 31.0
 
March 13, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.1 ppb (1) 3.0 μg/m3 (3) 4.0 μg/m3 (17) 32.0
 
March 13, 2019, noon N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.1 ppb (1) 0.0 μg/m3 (0) 0.9 μg/m3 (4) 32.0
 
March 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.1 ppb (1) 1.0 μg/m3 (1) 1.5 μg/m3 (6) 32.0
 
March 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.1 ppb (1) 2.0 μg/m3 (2) 3.4 μg/m3 (14) 28.0
 
March 13, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.1 ppb (1) 2.0 μg/m3 (2) 3.3 μg/m3 (14) 27.0
 
March 13, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.1 ppb (1) 0.0 μg/m3 (0) 0.8 μg/m3 (3) 27.0
 
March 13, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.1 ppb (1) 1.0 μg/m3 (1) 1.9 μg/m3 (8) 28.0
 
March 13, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.1 ppb (1) 2.0 μg/m3 (2) 2.5 μg/m3 (10) 27.0
 
March 13, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.2 ppb (2) 5.0 μg/m3 (5) 5.5 μg/m3 (23) 23.0
 
March 13, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.2 ppb (2) 2.0 μg/m3 (2) 2.5 μg/m3 (10) 24.0
 
March 13, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.1 ppb (1) 1.0 μg/m3 (1) 1.4 μg/m3 (6) 28.0
 
March 13, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.2 ppb (2) 3.0 μg/m3 (3) 2.5 μg/m3 (10) 28.0
 
March 13, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.1 ppb (1) 1.0 μg/m3 (1) 1.4 μg/m3 (6) 32.0
 
March 13, 2019, midnight N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.1 ppb (1) 2.0 μg/m3 (2) 1.9 μg/m3 (8) 34.0
 
March 12, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.1 ppb (1) 3.0 μg/m3 (3) 3.2 μg/m3 (13) 35.0
 
March 12, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 0.1 ppb (1) 2.0 μg/m3 (2) 2.9 μg/m3 (12) 39.0
 
March 12, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) 0.1 ppb (1) 2.0 μg/m3 (2) 2.4 μg/m3 (10) 42.0
 
March 12, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) 0.2 ppb (2) 1.0 μg/m3 (1) 1.2 μg/m3 (5) 37.0
 
March 12, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.1 ppb (1) 1.0 μg/m3 (1) 0.5 μg/m3 (2) 32.0
 
March 12, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.2 ppb (2) 2.0 μg/m3 (2) 2.0 μg/m3 (8) 26.0
 
March 12, 2019, 5 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) 2.9 μg/m3 (12) 20.0
 
March 12, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.2 ppb (2) 2.0 μg/m3 (2) 1.2 μg/m3 (5) 18.0
 
March 12, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.2 ppb (2) 3.0 μg/m3 (3) 3.4 μg/m3 (14) 18.0
 
March 12, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0
 
March 12, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
March 12, 2019, noon N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.1 ppb (1) N/A N/A 24.0
 
March 12, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.1 ppb (1) N/A N/A 25.0
 
March 12, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.1 ppb (1) N/A N/A 26.0
 
March 12, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.1 ppb (1) N/A N/A 22.0
 
March 12, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.2 ppb (2) N/A N/A 20.0
 
March 12, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.2 ppb (2) N/A N/A 15.0
 
March 12, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.2 ppb (2) N/A N/A 19.0
 
March 12, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.2 ppb (2) N/A N/A 22.0