AQSQID: 040134011

Site Name: Buckeye

Location: Maricopa Co, AZ

Reporting: True, Located: True

Current AQI: 100.0

Maricopa Co AZ, US: 33.37, -112.6207

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 21, 2019, 7 a.m. N/A N/A N/A 15.0 ppb (14) N/A N/A 6.0 ppb (5) 0.2 ppb (2) 154.0 μg/m3 (100) N/A 100.0
 
Sept. 21, 2019, 6 a.m. N/A N/A N/A 15.0 ppb (14) N/A N/A 19.0 ppb (15) 0.1 ppb (1) 41.0 μg/m3 (37) N/A 37.0
 
Sept. 21, 2019, 5 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 16.0 ppb (12) 0.2 ppb (2) 46.0 μg/m3 (42) N/A 42.0
 
Sept. 21, 2019, 4 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 17.0 ppb (13) 0.2 ppb (2) 59.0 μg/m3 (52) N/A 52.0
 
Sept. 21, 2019, 3 a.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 19.0 ppb (15) 0.1 ppb (1) 54.0 μg/m3 (49) N/A 49.0
 
Sept. 21, 2019, 2 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A 22.0 ppb (17) 0.1 ppb (1) 30.0 μg/m3 (27) N/A 27.0
 
Sept. 21, 2019, 1 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 23.0 ppb (18) 0.2 ppb (2) 60.0 μg/m3 (52) N/A 52.0
 
Sept. 21, 2019, midnight N/A N/A N/A 9.0 ppb (8) N/A N/A 36.0 ppb (28) 0.1 ppb (1) 105.0 μg/m3 (75) N/A 75.0
 
Sept. 20, 2019, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 42.0 ppb (32) 0.1 ppb (1) 30.0 μg/m3 (27) N/A 32.0
 
Sept. 20, 2019, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) 0.1 ppb (1) 23.0 μg/m3 (21) N/A 32.0
 
Sept. 20, 2019, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 44.0 ppb (34) 0.1 ppb (1) 39.0 μg/m3 (35) N/A 35.0
 
Sept. 20, 2019, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 45.0 ppb (35) 0.1 ppb (1) 31.0 μg/m3 (28) N/A 35.0
 
Sept. 20, 2019, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 46.0 ppb (35) 0.1 ppb (1) 34.0 μg/m3 (31) N/A 35.0
 
Sept. 20, 2019, 6 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 45.0 ppb (35) 0.1 ppb (1) 55.0 μg/m3 (50) N/A 50.0
 
Sept. 20, 2019, 5 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 38.0 ppb (29) 0.1 ppb (1) 69.0 μg/m3 (57) N/A 57.0
 
Sept. 20, 2019, 4 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 33.0 ppb (25) 0.1 ppb (1) 52.0 μg/m3 (47) N/A 47.0
 
Sept. 20, 2019, 3 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 20.0 ppb (15) 0.2 ppb (2) 62.0 μg/m3 (54) N/A 54.0
 
Sept. 20, 2019, 2 p.m. N/A N/A N/A 23.0 ppb (21) N/A N/A 4.0 ppb (3) 0.4 ppb (4) 92.0 μg/m3 (68) N/A 68.0
 
Sept. 20, 2019, 1 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 0.0 ppb (0) 0.3 ppb (3) 93.0 μg/m3 (69) N/A 69.0
 
Sept. 20, 2019, noon N/A N/A N/A 14.0 ppb (13) N/A N/A 5.0 ppb (4) 0.2 ppb (2) 36.0 μg/m3 (33) N/A 33.0
 
Sept. 20, 2019, 11 a.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 8.0 ppb (6) 0.2 ppb (2) 27.0 μg/m3 (25) N/A 25.0
 
Sept. 20, 2019, 10 a.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 9.0 ppb (7) 0.2 ppb (2) 26.0 μg/m3 (24) N/A 24.0
 
Sept. 20, 2019, 9 a.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 11.0 ppb (8) 0.1 ppb (1) 22.0 μg/m3 (20) N/A 20.0
 
Sept. 20, 2019, 8 a.m. N/A N/A N/A 15.0 ppb (14) N/A N/A 7.0 ppb (5) 0.2 ppb (2) 25.0 μg/m3 (23) N/A 23.0
 
Sept. 20, 2019, 7 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 22.0 ppb (17) 0.1 ppb (1) 21.0 μg/m3 (19) N/A 19.0
 
Sept. 20, 2019, 6 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 29.0 ppb (22) 0.1 ppb (1) 19.0 μg/m3 (17) N/A 22.0
 
Sept. 20, 2019, 5 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) 0.1 ppb (1) 17.0 μg/m3 (15) N/A 28.0
 
Sept. 20, 2019, 4 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 25.0 ppb (19) 0.1 ppb (1) 45.0 μg/m3 (41) N/A 41.0
 
Sept. 20, 2019, 3 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 19.0 ppb (15) 0.1 ppb (1) 28.0 μg/m3 (25) N/A 25.0
 
Sept. 20, 2019, 2 a.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 26.0 ppb (20) 0.1 ppb (1) 26.0 μg/m3 (24) N/A 24.0
 
Sept. 20, 2019, 1 a.m. N/A N/A N/A 15.0 ppb (14) N/A N/A 25.0 ppb (19) 0.1 ppb (1) 25.0 μg/m3 (23) N/A 23.0
 
Sept. 20, 2019, midnight N/A N/A N/A 9.0 ppb (8) N/A N/A 34.0 ppb (26) 0.1 ppb (1) 23.0 μg/m3 (21) N/A 26.0
 
Sept. 19, 2019, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) 0.1 ppb (1) 21.0 μg/m3 (19) N/A 26.0
 
Sept. 19, 2019, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 32.0 ppb (25) 0.1 ppb (1) 23.0 μg/m3 (21) N/A 25.0
 
Sept. 19, 2019, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) 0.1 ppb (1) 37.0 μg/m3 (34) N/A 34.0
 
Sept. 19, 2019, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) 0.1 ppb (1) 20.0 μg/m3 (18) N/A 26.0
 
Sept. 19, 2019, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) 0.1 ppb (1) 16.0 μg/m3 (15) N/A 27.0
 
Sept. 19, 2019, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) 0.1 ppb (1) 17.0 μg/m3 (15) N/A 27.0
 
Sept. 19, 2019, 5 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) 0.1 ppb (1) 20.0 μg/m3 (18) N/A 26.0
 
Sept. 19, 2019, 4 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 25.0 ppb (19) 0.2 ppb (2) 36.0 μg/m3 (33) N/A 33.0
 
Sept. 19, 2019, 3 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 16.0 ppb (12) 0.2 ppb (2) 58.0 μg/m3 (52) N/A 52.0
 
Sept. 19, 2019, 2 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 10.0 ppb (8) 0.2 ppb (2) 35.0 μg/m3 (32) N/A 32.0
 
Sept. 19, 2019, 1 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 4.0 ppb (3) 0.2 ppb (2) 28.0 μg/m3 (25) N/A 25.0
 
Sept. 19, 2019, noon N/A N/A N/A 16.0 ppb (15) N/A N/A 3.0 ppb (2) 0.2 ppb (2) 26.0 μg/m3 (24) N/A 24.0
 
Sept. 19, 2019, 11 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A 7.0 ppb (5) 0.2 ppb (2) 20.0 μg/m3 (18) N/A 18.0
 
Sept. 19, 2019, 10 a.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 10.0 ppb (8) 0.2 ppb (2) 18.0 μg/m3 (16) N/A 16.0
 
Sept. 19, 2019, 9 a.m. N/A N/A N/A 15.0 ppb (14) N/A N/A 7.0 ppb (5) 0.2 ppb (2) 18.0 μg/m3 (16) N/A 16.0
 
Sept. 19, 2019, 8 a.m. N/A N/A N/A 15.0 ppb (14) N/A N/A 5.0 ppb (4) 0.2 ppb (2) 21.0 μg/m3 (19) N/A 19.0
 
Sept. 19, 2019, 7 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 5.0 ppb (4) 0.2 ppb (2) 23.0 μg/m3 (21) N/A 21.0
 
Sept. 19, 2019, 6 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 8.0 ppb (6) 0.2 ppb (2) 26.0 μg/m3 (24) N/A 24.0
 
Sept. 19, 2019, 5 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A 12.0 ppb (9) 0.2 ppb (2) 33.0 μg/m3 (30) N/A 30.0
 
Sept. 19, 2019, 4 a.m. N/A N/A N/A 23.0 ppb (21) N/A N/A 0.0 ppb (0) 0.2 ppb (2) 49.0 μg/m3 (45) N/A 45.0
 
Sept. 19, 2019, 3 a.m. N/A N/A N/A 23.0 ppb (21) N/A N/A 2.0 ppb (2) 0.2 ppb (2) 53.0 μg/m3 (48) N/A 48.0
 
Sept. 19, 2019, 2 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 12.0 ppb (9) 0.2 ppb (2) 54.0 μg/m3 (49) N/A 49.0
 
Sept. 19, 2019, 1 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 16.0 ppb (12) 0.2 ppb (2) 33.0 μg/m3 (30) N/A 30.0
 
Sept. 19, 2019, midnight N/A N/A N/A 11.0 ppb (10) N/A N/A 27.0 ppb (21) 0.1 ppb (1) 25.0 μg/m3 (23) N/A 23.0
 
Sept. 18, 2019, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 39.0 ppb (30) 0.1 ppb (1) 17.0 μg/m3 (15) N/A 30.0
 
Sept. 18, 2019, 10 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 45.0 ppb (35) 0.2 ppb (2) 24.0 μg/m3 (22) N/A 35.0
 
Sept. 18, 2019, 9 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 48.0 ppb (37) 0.1 ppb (1) 23.0 μg/m3 (21) N/A 37.0
 
Sept. 18, 2019, 8 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 49.0 ppb (38) 0.1 ppb (1) 24.0 μg/m3 (22) N/A 38.0
 
Sept. 18, 2019, 7 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 46.0 ppb (35) 0.1 ppb (1) 21.0 μg/m3 (19) N/A 35.0
 
Sept. 18, 2019, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 45.0 ppb (35) 0.1 ppb (1) 7.0 μg/m3 (6) N/A 35.0
 
Sept. 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.2 ppb (2) 11.0 μg/m3 (10) N/A 30.0
 
Sept. 18, 2019, 4 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 29.0 ppb (22) 0.3 ppb (3) N/A N/A 22.0
 
Sept. 18, 2019, 3 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 10.0 ppb (8) N/A 21.0 μg/m3 (19) N/A 19.0
 
Sept. 18, 2019, 2 p.m. N/A N/A N/A 16.0 ppb (15) N/A N/A N/A 0.3 ppb (3) 48.0 μg/m3 (44) N/A 44.0
 
Sept. 18, 2019, 1 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 0.0 ppb (0) 0.3 ppb (3) 28.0 μg/m3 (25) N/A 25.0
 
Sept. 18, 2019, noon N/A N/A N/A 13.0 ppb (12) N/A N/A 0.0 ppb (0) 0.3 ppb (3) 24.0 μg/m3 (22) N/A 22.0
 
Sept. 18, 2019, 11 a.m. N/A N/A N/A 15.0 ppb (14) N/A N/A 0.0 ppb (0) 0.3 ppb (3) 25.0 μg/m3 (23) N/A 23.0
 
Sept. 18, 2019, 10 a.m. N/A N/A N/A 15.0 ppb (14) N/A N/A 0.0 ppb (0) 0.3 ppb (3) 38.0 μg/m3 (35) N/A 35.0
 
Sept. 18, 2019, 9 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A 0.0 ppb (0) 0.2 ppb (2) 14.0 μg/m3 (13) N/A 15.0
 
Sept. 18, 2019, 8 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 0.0 ppb (0) 0.2 ppb (2) 40.0 μg/m3 (36) N/A 36.0
 
Sept. 18, 2019, 7 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) 0.2 ppb (2) 35.0 μg/m3 (32) N/A 32.0
 
Sept. 18, 2019, 6 a.m. N/A N/A N/A 24.0 ppb (22) N/A N/A 1.0 ppb (1) 0.2 ppb (2) 10.0 μg/m3 (9) N/A 22.0
 
Sept. 18, 2019, 5 a.m. N/A N/A N/A 22.0 ppb (20) N/A N/A 3.0 ppb (2) 0.2 ppb (2) 50.0 μg/m3 (45) N/A 45.0
 
Sept. 18, 2019, 4 a.m. N/A N/A N/A 22.0 ppb (20) N/A N/A 11.0 ppb (8) 0.2 ppb (2) 11.0 μg/m3 (10) N/A 20.0
 
Sept. 18, 2019, 3 a.m. N/A N/A N/A 24.0 ppb (22) N/A N/A 13.0 ppb (10) 0.3 ppb (3) 51.0 μg/m3 (46) N/A 46.0
 
Sept. 18, 2019, 2 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A 26.0 ppb (20) 0.3 ppb (3) 42.0 μg/m3 (38) N/A 38.0
 
Sept. 18, 2019, 1 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 36.0 ppb (28) 0.2 ppb (2) 34.0 μg/m3 (31) N/A 31.0
 
Sept. 18, 2019, midnight N/A N/A N/A 4.0 ppb (4) N/A N/A 44.0 ppb (34) 0.2 ppb (2) 26.0 μg/m3 (24) N/A 34.0
 
Sept. 17, 2019, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 47.0 ppb (36) 0.2 ppb (2) 12.0 μg/m3 (11) N/A 36.0
 
Sept. 17, 2019, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 48.0 ppb (37) 0.2 ppb (2) 17.0 μg/m3 (15) N/A 37.0
 
Sept. 17, 2019, 9 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 49.0 ppb (38) 0.2 ppb (2) 20.0 μg/m3 (18) N/A 38.0
 
Sept. 17, 2019, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 48.0 ppb (37) 0.2 ppb (2) 26.0 μg/m3 (24) N/A 37.0
 
Sept. 17, 2019, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 46.0 ppb (35) 0.2 ppb (2) 25.0 μg/m3 (23) N/A 35.0
 
Sept. 17, 2019, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 44.0 ppb (34) 0.2 ppb (2) 16.0 μg/m3 (15) N/A 34.0
 
Sept. 17, 2019, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 38.0 ppb (29) 0.2 ppb (2) 5.0 μg/m3 (5) N/A 29.0
 
Sept. 17, 2019, 4 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 28.0 ppb (22) 0.2 ppb (2) 25.0 μg/m3 (23) N/A 23.0
 
Sept. 17, 2019, 3 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 25.0 ppb (19) 0.2 ppb (2) 20.0 μg/m3 (18) N/A 19.0
 
Sept. 17, 2019, 2 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 20.0 ppb (15) 0.2 ppb (2) 13.0 μg/m3 (12) N/A 15.0
 
Sept. 17, 2019, 1 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 18.0 ppb (14) 0.2 ppb (2) 18.0 μg/m3 (16) N/A 16.0
 
Sept. 17, 2019, noon N/A N/A N/A 8.0 ppb (7) N/A N/A 16.0 ppb (12) 0.2 ppb (2) 21.0 μg/m3 (19) N/A 19.0
 
Sept. 17, 2019, 11 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) 0.2 ppb (2) 14.0 μg/m3 (13) N/A 17.0
 
Sept. 17, 2019, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) 0.2 ppb (2) 9.0 μg/m3 (8) N/A 20.0
 
Sept. 17, 2019, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 25.0 ppb (19) 0.2 ppb (2) 10.0 μg/m3 (9) N/A 19.0
 
Sept. 17, 2019, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) 0.2 ppb (2) 10.0 μg/m3 (9) N/A 21.0
 
Sept. 17, 2019, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 28.0 ppb (22) 0.2 ppb (2) 10.0 μg/m3 (9) N/A 22.0
 
Sept. 17, 2019, 6 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) 0.2 ppb (2) 6.0 μg/m3 (5) N/A 22.0
 
Sept. 17, 2019, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) 0.2 ppb (2) 27.0 μg/m3 (25) N/A 25.0
 
Sept. 17, 2019, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) 0.0 ppb (0) 2.0 μg/m3 (2) N/A 24.0
 
Sept. 17, 2019, 1 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 35.0 ppb (27) 0.2 ppb (2) 58.0 μg/m3 (52) N/A 52.0
 
Sept. 17, 2019, midnight N/A N/A N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) 0.1 ppb (1) 18.0 μg/m3 (16) N/A 30.0
 
Sept. 16, 2019, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 37.0 ppb (28) 0.2 ppb (2) 28.0 μg/m3 (25) N/A 28.0
 
Sept. 16, 2019, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) 0.1 ppb (1) 33.0 μg/m3 (30) N/A 31.0
 
Sept. 16, 2019, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) 0.1 ppb (1) 30.0 μg/m3 (27) N/A 32.0
 
Sept. 16, 2019, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 43.0 ppb (33) 0.2 ppb (2) 48.0 μg/m3 (44) N/A 44.0
 
Sept. 16, 2019, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 43.0 ppb (33) 0.2 ppb (2) 47.0 μg/m3 (43) N/A 43.0
 
Sept. 16, 2019, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) 0.2 ppb (2) 20.0 μg/m3 (18) N/A 32.0
 
Sept. 16, 2019, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) 0.2 ppb (2) 11.0 μg/m3 (10) N/A 31.0
 
Sept. 16, 2019, 4 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 30.0 ppb (23) 0.2 ppb (2) 47.0 μg/m3 (43) N/A 43.0
 
Sept. 16, 2019, 3 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 23.0 ppb (18) 0.2 ppb (2) 62.0 μg/m3 (54) N/A 54.0
 
Sept. 16, 2019, 2 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 17.0 ppb (13) 0.2 ppb (2) 75.0 μg/m3 (60) N/A 60.0
 
Sept. 16, 2019, 1 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 15.0 ppb (12) 0.2 ppb (2) 83.0 μg/m3 (64) N/A 64.0
 
Sept. 16, 2019, noon N/A N/A N/A 13.0 ppb (12) N/A N/A 9.0 ppb (7) 0.3 ppb (3) 53.0 μg/m3 (48) N/A 48.0
 
Sept. 16, 2019, 11 a.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 14.0 ppb (11) 0.2 ppb (2) 65.0 μg/m3 (55) N/A 55.0
 
Sept. 16, 2019, 10 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) 0.2 ppb (2) 73.0 μg/m3 (59) N/A 59.0
 
Sept. 16, 2019, 9 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 19.0 ppb (15) 0.2 ppb (2) 28.0 μg/m3 (25) N/A 25.0
 
Sept. 16, 2019, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) 0.2 ppb (2) 30.0 μg/m3 (27) N/A 27.0
 
Sept. 16, 2019, 7 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 24.0 ppb (18) 0.2 ppb (2) 28.0 μg/m3 (25) N/A 25.0
 
Sept. 16, 2019, 6 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 17.0 ppb (13) 0.2 ppb (2) 39.0 μg/m3 (35) N/A 35.0
 
Sept. 16, 2019, 5 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 16.0 ppb (12) 0.3 ppb (3) 64.0 μg/m3 (54) N/A 54.0
 
Sept. 16, 2019, 4 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 23.0 ppb (18) 0.2 ppb (2) 67.0 μg/m3 (56) N/A 56.0
 
Sept. 16, 2019, 3 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 22.0 ppb (17) 0.2 ppb (2) 92.0 μg/m3 (68) N/A 68.0
 
Sept. 16, 2019, 2 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 33.0 ppb (25) 0.2 ppb (2) 38.0 μg/m3 (35) N/A 35.0
 
Sept. 16, 2019, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) 0.2 ppb (2) 21.0 μg/m3 (19) N/A 30.0
 
Sept. 16, 2019, midnight N/A N/A N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) 0.1 ppb (1) 9.0 μg/m3 (8) N/A 35.0
 
Sept. 15, 2019, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 47.0 ppb (36) 0.1 ppb (1) 11.0 μg/m3 (10) N/A 36.0
 
Sept. 15, 2019, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) 0.1 ppb (1) 12.0 μg/m3 (11) N/A 35.0
 
Sept. 15, 2019, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) 0.1 ppb (1) 2.0 μg/m3 (2) N/A 35.0
 
Sept. 15, 2019, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) 0.1 ppb (1) 9.0 μg/m3 (8) N/A 34.0
 
Sept. 15, 2019, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) 0.1 ppb (1) 10.0 μg/m3 (9) N/A 33.0
 
Sept. 15, 2019, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) 0.1 ppb (1) 14.0 μg/m3 (13) N/A 32.0
 
Sept. 15, 2019, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) 0.1 ppb (1) 12.0 μg/m3 (11) N/A 32.0
 
Sept. 15, 2019, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) 0.2 ppb (2) 19.0 μg/m3 (17) N/A 28.0
 
Sept. 15, 2019, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) 0.2 ppb (2) 25.0 μg/m3 (23) N/A 23.0
 
Sept. 15, 2019, 2 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 21.0 ppb (16) 0.2 ppb (2) 80.0 μg/m3 (62) N/A 62.0
 
Sept. 15, 2019, 1 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 19.0 ppb (15) 0.2 ppb (2) 40.0 μg/m3 (36) N/A 36.0
 
Sept. 15, 2019, noon N/A N/A N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) 0.2 ppb (2) 78.0 μg/m3 (62) N/A 62.0
 
Sept. 15, 2019, 11 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 18.0 ppb (14) 0.2 ppb (2) 22.0 μg/m3 (20) N/A 20.0
 
Sept. 15, 2019, 10 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 26.0 ppb (20) 0.2 ppb (2) 14.0 μg/m3 (13) N/A 20.0
 
Sept. 15, 2019, 9 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 28.0 ppb (22) 0.2 ppb (2) 13.0 μg/m3 (12) N/A 22.0
 
Sept. 15, 2019, 8 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 24.0 ppb (18) 0.2 ppb (2) 17.0 μg/m3 (15) N/A 18.0
 
Sept. 15, 2019, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) 0.2 ppb (2) 30.0 μg/m3 (27) N/A 27.0
 
Sept. 15, 2019, 6 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) 0.2 ppb (2) 19.0 μg/m3 (17) N/A 25.0
 
Sept. 15, 2019, 5 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 35.0 ppb (27) 0.2 ppb (2) 24.0 μg/m3 (22) N/A 27.0
 
Sept. 15, 2019, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) 0.2 ppb (2) 41.0 μg/m3 (37) N/A 37.0
 
Sept. 15, 2019, 3 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) 0.1 ppb (1) 57.0 μg/m3 (51) N/A 51.0
 
Sept. 15, 2019, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) 0.1 ppb (1) 169.0 μg/m3 (107) N/A 107.0
 
Sept. 15, 2019, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) 0.1 ppb (1) 1302.0 μg/m3 (1197) N/A 1197.0
 
Sept. 15, 2019, midnight N/A N/A N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) 0.1 ppb (1) 392.0 μg/m3 (253) N/A 253.0
 
Sept. 14, 2019, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) 0.1 ppb (1) 29.0 μg/m3 (26) N/A 38.0
 
Sept. 14, 2019, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 50.0 ppb (38) 0.1 ppb (1) 25.0 μg/m3 (23) N/A 38.0
 
Sept. 14, 2019, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) 0.1 ppb (1) 17.0 μg/m3 (15) N/A 38.0
 
Sept. 14, 2019, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) 0.1 ppb (1) 18.0 μg/m3 (16) N/A 37.0
 
Sept. 14, 2019, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) 0.1 ppb (1) 13.0 μg/m3 (12) N/A 35.0
 
Sept. 14, 2019, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) 0.1 ppb (1) 27.0 μg/m3 (25) N/A 33.0
 
Sept. 14, 2019, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) 0.2 ppb (2) 37.0 μg/m3 (34) N/A 34.0
 
Sept. 14, 2019, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) 0.2 ppb (2) 49.0 μg/m3 (45) N/A 45.0
 
Sept. 14, 2019, 3 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 27.0 ppb (21) 0.2 ppb (2) 59.0 μg/m3 (52) N/A 52.0
 
Sept. 14, 2019, 2 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 19.0 ppb (15) 0.2 ppb (2) 94.0 μg/m3 (70) N/A 70.0
 
Sept. 14, 2019, 1 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 12.0 ppb (9) 0.2 ppb (2) 73.0 μg/m3 (59) N/A 59.0
 
Sept. 14, 2019, noon N/A N/A N/A 9.0 ppb (8) N/A N/A 10.0 ppb (8) 0.2 ppb (2) 67.0 μg/m3 (56) N/A 56.0
 
Sept. 14, 2019, 11 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A 4.0 ppb (3) 0.2 ppb (2) 125.0 μg/m3 (85) N/A 85.0
 
Sept. 14, 2019, 10 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 14.0 ppb (11) 0.2 ppb (2) 52.0 μg/m3 (47) N/A 47.0
 
Sept. 14, 2019, 9 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 17.0 ppb (13) 0.2 ppb (2) 39.0 μg/m3 (35) N/A 35.0
 
Sept. 14, 2019, 8 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 12.0 ppb (9) 0.2 ppb (2) 290.0 μg/m3 (168) N/A 168.0
 
Sept. 14, 2019, 7 a.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 13.0 ppb (10) 0.2 ppb (2) 97.0 μg/m3 (71) N/A 71.0
 
Sept. 14, 2019, 6 a.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 9.0 ppb (7) 0.2 ppb (2) 149.0 μg/m3 (97) N/A 97.0