AQSQID: 040139997

Site Name: Phoenix Jlg Supersite

Location: Phoenix (W Hazelwood St), AZ

Reporting: True, Located: True

Current AQI: 12.0

Phoenix (W Hazelwood St) AZ, US: 33.503601, -112.095001

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 24, 2019, 1 a.m. N/A 0.2 ppb (0) -0.6 ppb (0) 3.0 ppb (3) N/A 0.0 ppb (0) N/A 0.16 ppb (2) 12.0 μg/m3 (11) 3.0 μg/m3 (12) 12.0
 
May 24, 2019, midnight N/A 0.5 ppb (0) -0.1 ppb (0) 3.0 ppb (3) N/A 0.0 ppb (0) N/A 0.16 ppb (2) 13.0 μg/m3 (12) 3.0 μg/m3 (12) 12.0
 
May 23, 2019, 11 p.m. N/A 0.4 ppb (0) -0.8 ppb (0) 2.0 ppb (2) N/A 1.0 ppb (1) N/A 0.17 ppb (2) 11.0 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
May 23, 2019, 10 p.m. N/A 0.5 ppb (0) -0.7 ppb (0) 2.0 ppb (2) N/A 0.0 ppb (0) 50.0 ppb (38) 0.16 ppb (2) 12.0 μg/m3 (11) 2.0 μg/m3 (8) 38.0
 
May 23, 2019, 9 p.m. N/A 0.2 ppb (0) -1.8 ppb (0) 2.0 ppb (2) N/A 0.0 ppb (0) 48.0 ppb (37) 0.15 ppb (2) 11.0 μg/m3 (10) 2.0 μg/m3 (8) 37.0
 
May 23, 2019, 8 p.m. N/A 0.4 ppb (0) -1.4 ppb (0) 2.0 ppb (2) N/A 0.0 ppb (0) 48.0 ppb (37) 0.16 ppb (2) 11.0 μg/m3 (10) 3.0 μg/m3 (12) 37.0
 
May 23, 2019, 7 p.m. N/A 0.3 ppb (0) -1.5 ppb (0) 2.0 ppb (2) N/A 0.0 ppb (0) 47.0 ppb (36) 0.15 ppb (2) 11.0 μg/m3 (10) 3.0 μg/m3 (12) 36.0
 
May 23, 2019, 6 p.m. N/A 0.5 ppb (0) -0.7 ppb (0) 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (35) 0.16 ppb (2) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 35.0
 
May 23, 2019, 5 p.m. N/A 0.4 ppb (0) -0.8 ppb (0) 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (34) 0.17 ppb (2) 12.0 μg/m3 (11) 6.0 μg/m3 (25) 34.0
 
May 23, 2019, 4 p.m. N/A 0.5 ppb (0) 0.0 ppb (0) 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (32) 0.17 ppb (2) 16.0 μg/m3 (15) 5.0 μg/m3 (21) 32.0
 
May 23, 2019, 3 p.m. N/A 1.2 ppb (1) 2.3 ppb (2) 4.0 ppb (4) N/A 1.0 ppb (1) 39.0 ppb (30) 0.19 ppb (2) 20.0 μg/m3 (18) 7.0 μg/m3 (29) 30.0
 
May 23, 2019, 2 p.m. N/A 8.6 ppb (8) 15.9 ppb (15) 16.0 ppb (15) N/A 1.0 ppb (1) 32.0 ppb (25) 0.26 ppb (3) 20.0 μg/m3 (18) 5.0 μg/m3 (21) 25.0
 
May 23, 2019, 1 p.m. N/A 16.3 ppb (15) 31.6 ppb (29) 26.0 ppb (24) N/A 1.0 ppb (1) 25.0 ppb (19) 0.27 ppb (3) 17.0 μg/m3 (15) 6.0 μg/m3 (25) 29.0
 
May 23, 2019, noon N/A 5.8 ppb (5) 11.8 ppb (11) 13.0 ppb (12) N/A 1.0 ppb (1) 32.0 ppb (25) 0.23 ppb (3) 8.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
May 23, 2019, 11 a.m. N/A 6.9 ppb (6) 10.6 ppb (10) 11.0 ppb (10) N/A 1.0 ppb (1) 37.0 ppb (28) 0.2 ppb (2) 13.0 μg/m3 (12) 6.0 μg/m3 (25) 28.0
 
May 23, 2019, 10 a.m. N/A 2.2 ppb (2) 1.0 ppb (1) 5.0 ppb (5) N/A 0.0 ppb (0) 44.0 ppb (34) 0.17 ppb (2) 12.0 μg/m3 (11) 2.0 μg/m3 (8) 34.0
 
May 23, 2019, 9 a.m. N/A 0.0 ppb (0) -3.1 ppb (0) 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (35) 0.17 ppb (2) 18.0 μg/m3 (16) 5.0 μg/m3 (21) 35.0
 
May 23, 2019, 8 a.m. N/A 0.0 ppb (0) -2.7 ppb (0) 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (35) 0.16 ppb (2) 7.0 μg/m3 (6) 2.0 μg/m3 (8) 35.0
 
May 23, 2019, 7 a.m. N/A 0.0 ppb (0) -1.5 ppb (0) 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (33) 0.17 ppb (2) 19.0 μg/m3 (17) 2.0 μg/m3 (8) 33.0
 
May 23, 2019, 6 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) 4.0 ppb (4) N/A 0.0 ppb (0) 42.0 ppb (32) 0.19 ppb (2) 19.0 μg/m3 (17) 0.0 μg/m3 (0) 32.0
 
May 23, 2019, 5 a.m. N/A 0.0 ppb (0) -1.0 ppb (0) 3.0 ppb (3) N/A 0.0 ppb (0) 46.0 ppb (35) 0.18 ppb (2) 12.0 μg/m3 (11) 1.0 μg/m3 (4) 35.0
 
May 23, 2019, 4 a.m. N/A 0.0 ppb (0) -0.7 ppb (0) 3.0 ppb (3) N/A 1.0 ppb (1) 45.0 ppb (35) 0.18 ppb (2) 17.0 μg/m3 (15) 3.0 μg/m3 (12) 35.0
 
May 23, 2019, 3 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) 4.0 ppb (4) N/A 1.0 ppb (1) 44.0 ppb (34) 0.2 ppb (2) 16.0 μg/m3 (15) 3.0 μg/m3 (12) 34.0
 
May 23, 2019, 2 a.m. N/A 0.0 ppb (0) -1.0 ppb (0) 3.0 ppb (3) N/A 1.0 ppb (1) 46.0 ppb (35) 0.19 ppb (2) 16.0 μg/m3 (15) 3.0 μg/m3 (12) 35.0
 
May 23, 2019, 1 a.m. N/A 0.0 ppb (0) -1.1 ppb (0) 3.0 ppb (3) N/A 1.0 ppb (1) 48.0 ppb (37) 0.18 ppb (2) 22.0 μg/m3 (20) 2.0 μg/m3 (8) 37.0
 
May 23, 2019, midnight N/A 0.0 ppb (0) -1.5 ppb (0) 3.0 ppb (3) N/A 1.0 ppb (1) 50.0 ppb (38) 0.17 ppb (2) 23.0 μg/m3 (21) 2.0 μg/m3 (8) 38.0
 
May 22, 2019, 11 p.m. N/A 0.2 ppb (0) -2.0 ppb (0) 2.0 ppb (2) N/A 0.0 ppb (0) N/A 0.16 ppb (2) 20.0 μg/m3 (18) 0.0 μg/m3 (0) 18.0
 
May 22, 2019, 10 p.m. N/A 0.2 ppb (0) -1.9 ppb (0) 2.0 ppb (2) N/A 0.0 ppb (0) N/A 0.16 ppb (2) 17.0 μg/m3 (15) 0.0 μg/m3 (0) 15.0
 
May 22, 2019, 9 p.m. N/A 0.2 ppb (0) -2.0 ppb (0) 2.0 ppb (2) N/A 0.0 ppb (0) N/A 0.17 ppb (2) 22.0 μg/m3 (20) 1.0 μg/m3 (4) 20.0
 
May 22, 2019, 8 p.m. N/A 0.2 ppb (0) -1.7 ppb (0) 2.0 ppb (2) N/A 0.0 ppb (0) N/A 0.17 ppb (2) 18.0 μg/m3 (16) 3.0 μg/m3 (12) 16.0
 
May 22, 2019, 7 p.m. N/A 0.4 ppb (0) -0.7 ppb (0) 2.0 ppb (2) N/A 0.0 ppb (0) 49.0 ppb (38) 0.18 ppb (2) 30.0 μg/m3 (27) 3.0 μg/m3 (12) 38.0
 
May 22, 2019, 6 p.m. N/A 0.4 ppb (0) -0.8 ppb (0) 2.0 ppb (2) N/A 0.0 ppb (0) 48.0 ppb (37) 0.17 ppb (2) 36.0 μg/m3 (33) 3.0 μg/m3 (12) 37.0
 
May 22, 2019, 5 p.m. N/A 0.3 ppb (0) -1.3 ppb (0) 2.0 ppb (2) N/A 0.0 ppb (0) 46.0 ppb (35) 0.17 ppb (2) 38.0 μg/m3 (35) 6.0 μg/m3 (25) 35.0
 
May 22, 2019, 4 p.m. N/A 0.5 ppb (0) -0.8 ppb (0) 2.0 ppb (2) N/A 1.0 ppb (1) 43.0 ppb (33) 0.18 ppb (2) 42.0 μg/m3 (38) 9.0 μg/m3 (38) 38.0
 
May 22, 2019, 3 p.m. N/A 0.6 ppb (1) -0.2 ppb (0) 3.0 ppb (3) N/A 1.0 ppb (1) 42.0 ppb (32) 0.18 ppb (2) 44.0 μg/m3 (40) 9.0 μg/m3 (38) 40.0
 
May 22, 2019, 2 p.m. N/A 1.0 ppb (1) 2.0 ppb (2) 5.0 ppb (5) N/A 1.0 ppb (1) 38.0 ppb (29) 0.19 ppb (2) 52.0 μg/m3 (47) 8.0 μg/m3 (33) 47.0
 
May 22, 2019, 1 p.m. N/A 0.4 ppb (0) 2.8 ppb (3) 6.0 ppb (6) N/A 0.0 ppb (0) 37.0 ppb (28) 0.2 ppb (2) 55.0 μg/m3 (50) 8.0 μg/m3 (33) 50.0
 
May 22, 2019, noon N/A 0.0 ppb (0) 4.3 ppb (4) 8.0 ppb (7) N/A 1.0 ppb (1) 36.0 ppb (28) 0.21 ppb (2) 64.0 μg/m3 (54) 16.0 μg/m3 (59) 59.0
 
May 22, 2019, 11 a.m. N/A 0.0 ppb (0) 1.1 ppb (1) 5.0 ppb (5) N/A 1.0 ppb (1) 39.0 ppb (30) 0.19 ppb (2) 73.0 μg/m3 (59) 12.0 μg/m3 (50) 59.0
 
May 22, 2019, 10 a.m. N/A 0.0 ppb (0) -1.1 ppb (0) 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (33) 0.15 ppb (2) 53.0 μg/m3 (48) 14.0 μg/m3 (54) 54.0
 
May 22, 2019, 9 a.m. N/A 0.0 ppb (0) -0.4 ppb (0) 4.0 ppb (4) N/A 0.0 ppb (0) 44.0 ppb (34) 0.16 ppb (2) 68.0 μg/m3 (56) 12.0 μg/m3 (50) 56.0
 
May 22, 2019, 8 a.m. N/A -0.1 ppb (0) 0.4 ppb (0) 4.0 ppb (4) N/A 1.0 ppb (1) N/A 0.16 ppb (2) 75.0 μg/m3 (60) 14.0 μg/m3 (54) 60.0
 
May 22, 2019, 7 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) 4.0 ppb (4) N/A 1.0 ppb (1) N/A 0.17 ppb (2) 88.0 μg/m3 (66) 14.0 μg/m3 (54) 66.0
 
May 22, 2019, 6 a.m. N/A 0.0 ppb (0) 0.5 ppb (0) 4.0 ppb (4) N/A 1.0 ppb (1) 48.0 ppb (37) 0.17 ppb (2) 72.0 μg/m3 (58) 16.0 μg/m3 (59) 59.0
 
May 22, 2019, 5 a.m. N/A -0.1 ppb (0) 1.6 ppb (1) 5.0 ppb (5) N/A 1.0 ppb (1) N/A 0.18 ppb (2) 77.0 μg/m3 (61) 17.0 μg/m3 (61) 61.0
 
May 22, 2019, 4 a.m. N/A 0.0 ppb (0) 2.9 ppb (3) 7.0 ppb (6) N/A 1.0 ppb (1) N/A 0.19 ppb (2) 58.0 μg/m3 (52) 12.0 μg/m3 (50) 52.0
 
May 22, 2019, 3 a.m. N/A 0.0 ppb (0) 1.2 ppb (1) 5.0 ppb (5) N/A 1.0 ppb (1) 57.0 ppb (44) 0.18 ppb (2) 62.0 μg/m3 (54) 8.0 μg/m3 (33) 54.0
 
May 22, 2019, 2 a.m. N/A 0.0 ppb (0) 0.5 ppb (0) 4.0 ppb (4) N/A 1.0 ppb (1) 60.0 ppb (46) 0.16 ppb (2) 61.0 μg/m3 (53) 8.0 μg/m3 (33) 53.0
 
May 22, 2019, 1 a.m. N/A 0.1 ppb (0) -0.2 ppb (0) 3.0 ppb (3) N/A 0.0 ppb (0) 56.0 ppb (43) 0.15 ppb (2) 74.0 μg/m3 (60) 5.0 μg/m3 (21) 60.0
 
May 22, 2019, midnight N/A 0.2 ppb (0) -1.1 ppb (0) 3.0 ppb (3) N/A 0.0 ppb (0) N/A 0.14 ppb (2) 44.0 μg/m3 (40) 2.0 μg/m3 (8) 40.0
 
May 21, 2019, 11 p.m. N/A 0.2 ppb (0) -1.4 ppb (0) 3.0 ppb (3) N/A 0.0 ppb (0) N/A 0.14 ppb (2) 53.0 μg/m3 (48) 0.0 μg/m3 (0) 48.0
 
May 21, 2019, 10 p.m. N/A 0.2 ppb (0) -1.6 ppb (0) N/A N/A 1.0 ppb (1) 51.0 ppb (39) 0.14 ppb (2) 52.0 μg/m3 (47) 2.0 μg/m3 (8) 47.0
 
May 21, 2019, 9 p.m. N/A 0.3 ppb (0) -1.8 ppb (0) 2.0 ppb (2) N/A N/A 51.0 ppb (39) 0.14 ppb (2) 34.0 μg/m3 (31) 3.0 μg/m3 (12) 39.0
 
May 21, 2019, 8 p.m. N/A 0.1 ppb (0) -2.2 ppb (0) 1.0 ppb (1) N/A N/A N/A 0.14 ppb (2) 25.0 μg/m3 (23) 1.0 μg/m3 (4) 23.0
 
May 21, 2019, 7 p.m. N/A 0.2 ppb (0) -1.5 ppb (0) 2.0 ppb (2) N/A N/A 52.0 ppb (40) 0.14 ppb (2) 30.0 μg/m3 (27) 3.0 μg/m3 (12) 40.0
 
May 21, 2019, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 53.0 ppb (41) 0.14 ppb (2) 22.0 μg/m3 (20) 7.0 μg/m3 (29) 41.0
 
May 21, 2019, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 50.0 ppb (38) 0.15 ppb (2) 31.0 μg/m3 (28) 7.0 μg/m3 (29) 38.0
 
May 21, 2019, 4 p.m. N/A 2.2 ppb (2) 5.4 ppb (5) 7.0 ppb (6) N/A 1.0 ppb (1) 42.0 ppb (32) N/A 35.0 μg/m3 (32) 8.0 μg/m3 (33) 33.0
 
May 21, 2019, 3 p.m. N/A 2.3 ppb (2) 5.0 ppb (5) 7.0 ppb (6) N/A 1.0 ppb (1) 38.0 ppb (29) 0.31 ppb (3) 57.0 μg/m3 (51) 8.0 μg/m3 (33) 51.0
 
May 21, 2019, 2 p.m. N/A 1.4 ppb (1) 2.2 ppb (2) 5.0 ppb (5) N/A 0.0 ppb (0) 37.0 ppb (28) 0.23 ppb (3) 29.0 μg/m3 (26) 5.0 μg/m3 (21) 28.0
 
May 21, 2019, 1 p.m. N/A 0.7 ppb (1) 2.6 ppb (2) 6.0 ppb (6) N/A 0.0 ppb (0) 34.0 ppb (26) 0.23 ppb (3) 20.0 μg/m3 (18) 2.0 μg/m3 (8) 26.0
 
May 21, 2019, noon N/A 0.0 ppb (0) 1.8 ppb (2) 6.0 ppb (6) N/A 0.0 ppb (0) 30.0 ppb (23) 0.21 ppb (2) 8.0 μg/m3 (7) 3.0 μg/m3 (12) 23.0
 
May 21, 2019, 11 a.m. N/A 0.0 ppb (0) 1.7 ppb (2) 6.0 ppb (6) N/A 0.0 ppb (0) 28.0 ppb (22) 0.2 ppb (2) 7.0 μg/m3 (6) 2.0 μg/m3 (8) 22.0
 
May 21, 2019, 10 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) 5.0 ppb (5) N/A 0.0 ppb (0) 30.0 ppb (23) 0.2 ppb (2) 8.0 μg/m3 (7) 3.0 μg/m3 (12) 23.0
 
May 21, 2019, 9 a.m. N/A 0.0 ppb (0) -0.4 ppb (0) 3.0 ppb (3) N/A 1.0 ppb (1) 34.0 ppb (26) 0.2 ppb (2) 8.0 μg/m3 (7) 6.0 μg/m3 (25) 26.0
 
May 21, 2019, 8 a.m. N/A 0.0 ppb (0) -0.1 ppb (0) 4.0 ppb (4) N/A 1.0 ppb (1) 36.0 ppb (28) 0.2 ppb (2) 9.0 μg/m3 (8) 3.0 μg/m3 (12) 28.0
 
May 21, 2019, 7 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) 4.0 ppb (4) N/A 0.0 ppb (0) 39.0 ppb (30) 0.19 ppb (2) 12.0 μg/m3 (11) 0.0 μg/m3 (0) 30.0
 
May 21, 2019, 6 a.m. N/A 0.0 ppb (0) 1.2 ppb (1) 5.0 ppb (5) N/A 0.0 ppb (0) 39.0 ppb (30) 0.21 ppb (2) 16.0 μg/m3 (15) 2.0 μg/m3 (8) 30.0
 
May 21, 2019, 5 a.m. N/A 0.0 ppb (0) 9.5 ppb (9) 13.0 ppb (12) N/A 0.0 ppb (0) 33.0 ppb (25) 0.29 ppb (3) 22.0 μg/m3 (20) 5.0 μg/m3 (21) 25.0
 
May 21, 2019, 4 a.m. N/A 0.0 ppb (0) 11.4 ppb (11) 16.0 ppb (15) N/A 1.0 ppb (1) 33.0 ppb (25) 0.32 ppb (4) 16.0 μg/m3 (15) 2.0 μg/m3 (8) 25.0
 
May 21, 2019, 3 a.m. N/A 0.0 ppb (0) 5.2 ppb (5) 10.0 ppb (9) N/A 0.0 ppb (0) 41.0 ppb (32) 0.28 ppb (3) 16.0 μg/m3 (15) 0.0 μg/m3 (0) 32.0
 
May 21, 2019, 2 a.m. N/A 0.0 ppb (0) -0.4 ppb (0) 4.0 ppb (4) N/A 0.0 ppb (0) 50.0 ppb (38) 0.17 ppb (2) 16.0 μg/m3 (15) 0.0 μg/m3 (0) 38.0
 
May 21, 2019, 1 a.m. N/A 0.0 ppb (0) -1.9 ppb (0) 2.0 ppb (2) N/A 0.0 ppb (0) 53.0 ppb (41) 0.17 ppb (2) 13.0 μg/m3 (12) -2.0 μg/m3 (0) 41.0
 
May 21, 2019, midnight N/A 0.1 ppb (0) -1.0 ppb (0) 3.0 ppb (3) N/A 1.0 ppb (1) N/A 0.17 ppb (2) 16.0 μg/m3 (15) 1.0 μg/m3 (4) 15.0
 
May 20, 2019, 11 p.m. N/A 0.2 ppb (0) -1.4 ppb (0) 3.0 ppb (3) N/A 0.0 ppb (0) N/A 0.16 ppb (2) 18.0 μg/m3 (16) 2.0 μg/m3 (8) 16.0
 
May 20, 2019, 10 p.m. N/A 0.3 ppb (0) -2.0 ppb (0) 2.0 ppb (2) N/A 1.0 ppb (1) 53.0 ppb (41) 0.15 ppb (2) 23.0 μg/m3 (21) -2.0 μg/m3 (0) 41.0
 
May 20, 2019, 9 p.m. N/A 0.3 ppb (0) -2.2 ppb (0) 2.0 ppb (2) N/A 1.0 ppb (1) 51.0 ppb (39) 0.15 ppb (2) 25.0 μg/m3 (23) 2.0 μg/m3 (8) 39.0
 
May 20, 2019, 8 p.m. N/A 0.3 ppb (0) -2.3 ppb (0) 1.0 ppb (1) N/A 0.0 ppb (0) 50.0 ppb (38) 0.16 ppb (2) 38.0 μg/m3 (35) 8.0 μg/m3 (33) 38.0
 
May 20, 2019, 7 p.m. N/A 0.3 ppb (0) -2.2 ppb (0) 2.0 ppb (2) N/A 0.0 ppb (0) 50.0 ppb (38) 0.16 ppb (2) 25.0 μg/m3 (23) 3.0 μg/m3 (12) 38.0
 
May 20, 2019, 6 p.m. N/A 0.3 ppb (0) -2.0 ppb (0) 2.0 ppb (2) N/A 0.0 ppb (0) 49.0 ppb (38) 0.17 ppb (2) 23.0 μg/m3 (21) 6.0 μg/m3 (25) 38.0
 
May 20, 2019, 5 p.m. N/A 0.5 ppb (0) -1.6 ppb (0) 2.0 ppb (2) N/A 1.0 ppb (1) 47.0 ppb (36) 0.17 ppb (2) 25.0 μg/m3 (23) 6.0 μg/m3 (25) 36.0
 
May 20, 2019, 4 p.m. N/A 0.4 ppb (0) -1.1 ppb (0) 2.0 ppb (2) N/A 0.0 ppb (0) 46.0 ppb (35) 0.18 ppb (2) 30.0 μg/m3 (27) 6.0 μg/m3 (25) 35.0
 
May 20, 2019, 3 p.m. N/A 0.6 ppb (1) 0.0 ppb (0) 4.0 ppb (4) N/A 0.0 ppb (0) 43.0 ppb (33) 0.19 ppb (2) 38.0 μg/m3 (35) 7.0 μg/m3 (29) 35.0
 
May 20, 2019, 2 p.m. N/A 0.5 ppb (0) 1.3 ppb (1) 5.0 ppb (5) N/A 1.0 ppb (1) 42.0 ppb (32) 0.2 ppb (2) 29.0 μg/m3 (26) 2.0 μg/m3 (8) 32.0
 
May 20, 2019, 1 p.m. N/A 0.3 ppb (0) 3.2 ppb (3) 7.0 ppb (6) N/A 0.0 ppb (0) 40.0 ppb (31) 0.2 ppb (2) 34.0 μg/m3 (31) 5.0 μg/m3 (21) 31.0
 
May 20, 2019, noon N/A 0.0 ppb (0) 1.6 ppb (1) 6.0 ppb (6) N/A 1.0 ppb (1) 40.0 ppb (31) 0.19 ppb (2) 28.0 μg/m3 (25) 6.0 μg/m3 (25) 31.0
 
May 20, 2019, 11 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) 43.0 ppb (33) 0.17 ppb (2) 33.0 μg/m3 (30) 7.0 μg/m3 (29) 33.0
 
May 20, 2019, 10 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (35) 0.16 ppb (2) 29.0 μg/m3 (26) 9.0 μg/m3 (38) 38.0
 
May 20, 2019, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 46.0 ppb (35) 0.17 ppb (2) N/A N/A 35.0
 
May 20, 2019, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 48.0 ppb (37) 0.17 ppb (2) 19.0 μg/m3 (17) 2.0 μg/m3 (8) 37.0
 
May 20, 2019, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (30) 0.17 ppb (2) 19.0 μg/m3 (17) 2.0 μg/m3 (8) 30.0
 
May 20, 2019, 6 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 39.0 ppb (30) 0.19 ppb (2) 14.0 μg/m3 (13) 5.0 μg/m3 (21) 30.0
 
May 20, 2019, 5 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (1) 38.0 ppb (29) 0.19 ppb (2) 25.0 μg/m3 (23) 5.0 μg/m3 (21) 29.0
 
May 20, 2019, 4 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (25) 0.22 ppb (2) 14.0 μg/m3 (13) 3.0 μg/m3 (12) 25.0
 
May 20, 2019, 3 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 33.0 ppb (25) 0.21 ppb (2) 9.0 μg/m3 (8) 3.0 μg/m3 (12) 25.0
 
May 20, 2019, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (1) 35.0 ppb (27) 0.2 ppb (2) 18.0 μg/m3 (16) 1.0 μg/m3 (4) 27.0
 
May 20, 2019, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 40.0 ppb (31) 0.18 ppb (2) 34.0 μg/m3 (31) 3.0 μg/m3 (12) 31.0
 
May 20, 2019, midnight N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 42.0 ppb (32) 0.17 ppb (2) 29.0 μg/m3 (26) 5.0 μg/m3 (21) 32.0
 
May 19, 2019, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (34) 0.16 ppb (2) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 34.0
 
May 19, 2019, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 51.0 ppb (39) 0.18 ppb (2) 16.0 μg/m3 (15) 3.0 μg/m3 (12) 39.0
 
May 19, 2019, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 55.0 ppb (42) 0.17 ppb (2) 22.0 μg/m3 (20) 5.0 μg/m3 (21) 42.0
 
May 19, 2019, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 55.0 ppb (42) 0.2 ppb (2) 29.0 μg/m3 (26) 6.0 μg/m3 (25) 42.0
 
May 19, 2019, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 55.0 ppb (42) 0.19 ppb (2) N/A 6.0 μg/m3 (25) 42.0
 
May 19, 2019, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 52.0 ppb (40) 0.21 ppb (2) N/A 8.0 μg/m3 (33) 40.0
 
May 19, 2019, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (1) 49.0 ppb (38) 0.23 ppb (3) N/A 6.0 μg/m3 (25) 38.0
 
May 19, 2019, 4 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 44.0 ppb (34) 0.22 ppb (2) N/A 5.0 μg/m3 (21) 34.0
 
May 19, 2019, 3 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 38.0 ppb (29) 0.23 ppb (3) 24.0 μg/m3 (22) 6.0 μg/m3 (25) 29.0
 
May 19, 2019, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) 36.0 ppb (28) 0.21 ppb (2) 23.0 μg/m3 (21) 7.0 μg/m3 (29) 29.0
 
May 19, 2019, 1 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 31.0 ppb (24) 0.21 ppb (2) 20.0 μg/m3 (18) 3.0 μg/m3 (12) 24.0
 
May 19, 2019, noon N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (1) 30.0 ppb (23) 0.23 ppb (3) 25.0 μg/m3 (23) 2.0 μg/m3 (8) 23.0
 
May 19, 2019, 11 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 44.0 ppb (34) 0.19 ppb (2) 18.0 μg/m3 (16) 5.0 μg/m3 (21) 34.0
 
May 19, 2019, 10 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 42.0 ppb (32) 0.21 ppb (2) 11.0 μg/m3 (10) 6.0 μg/m3 (25) 32.0
 
May 19, 2019, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 44.0 ppb (34) 0.2 ppb (2) 16.0 μg/m3 (15) 3.0 μg/m3 (12) 34.0
 
May 19, 2019, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (1) 47.0 ppb (36) 0.21 ppb (2) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 36.0
 
May 19, 2019, 7 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) N/A 0.25 ppb (3) 25.0 μg/m3 (23) 7.0 μg/m3 (29) 29.0
 
May 19, 2019, 6 a.m. N/A N/A N/A 25.0 ppb (23) N/A 0.0 ppb (0) 15.0 ppb (12) 0.47 ppb (5) 30.0 μg/m3 (27) 9.0 μg/m3 (38) 38.0
 
May 19, 2019, 5 a.m. N/A N/A N/A 25.0 ppb (23) N/A 0.0 ppb (0) 14.0 ppb (11) 0.48 ppb (5) 30.0 μg/m3 (27) 6.0 μg/m3 (25) 27.0
 
May 19, 2019, 4 a.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 23.0 ppb (18) 0.4 ppb (4) 20.0 μg/m3 (18) 0.0 μg/m3 (0) 19.0
 
May 19, 2019, 3 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 40.0 ppb (31) 0.3 ppb (3) 18.0 μg/m3 (16) 6.0 μg/m3 (25) 31.0
 
May 19, 2019, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 50.0 ppb (38) 0.28 ppb (3) 24.0 μg/m3 (22) 14.0 μg/m3 (54) 54.0
 
May 19, 2019, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 54.0 ppb (42) 0.21 ppb (2) 28.0 μg/m3 (25) 14.0 μg/m3 (54) 54.0
 
May 19, 2019, midnight N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 56.0 ppb (43) 0.15 ppb (2) 11.0 μg/m3 (10) 6.0 μg/m3 (25) 43.0
 
May 18, 2019, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 57.0 ppb (44) 0.15 ppb (2) 8.0 μg/m3 (7) 2.0 μg/m3 (8) 44.0
 
May 18, 2019, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 59.0 ppb (45) 0.16 ppb (2) 7.0 μg/m3 (6) 3.0 μg/m3 (12) 45.0
 
May 18, 2019, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 58.0 ppb (45) 0.16 ppb (2) 8.0 μg/m3 (7) 3.0 μg/m3 (12) 45.0
 
May 18, 2019, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 57.0 ppb (44) 0.15 ppb (2) 11.0 μg/m3 (10) 2.0 μg/m3 (8) 44.0
 
May 18, 2019, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 55.0 ppb (42) 0.17 ppb (2) 9.0 μg/m3 (8) 3.0 μg/m3 (12) 42.0
 
May 18, 2019, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 53.0 ppb (41) 0.16 ppb (2) 17.0 μg/m3 (15) 3.0 μg/m3 (12) 41.0
 
May 18, 2019, 5 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 51.0 ppb (39) 0.18 ppb (2) 24.0 μg/m3 (22) 2.0 μg/m3 (8) 39.0
 
May 18, 2019, 4 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (1) 45.0 ppb (35) 0.19 ppb (2) 24.0 μg/m3 (22) 3.0 μg/m3 (12) 35.0
 
May 18, 2019, 3 p.m. N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 36.0 ppb (28) 0.24 ppb (3) 25.0 μg/m3 (23) 5.0 μg/m3 (21) 28.0
 
May 18, 2019, 2 p.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (1) 23.0 ppb (18) 0.33 ppb (4) 34.0 μg/m3 (31) 7.0 μg/m3 (29) 31.0
 
May 18, 2019, 1 p.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 12.0 ppb (9) 0.42 ppb (5) 27.0 μg/m3 (25) 7.0 μg/m3 (29) 29.0
 
May 18, 2019, noon N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (1) 7.0 ppb (5) 0.43 ppb (5) 29.0 μg/m3 (26) 8.0 μg/m3 (33) 33.0
 
May 18, 2019, 11 a.m. N/A N/A N/A 23.0 ppb (21) N/A 1.0 ppb (1) 6.0 ppb (5) 0.43 ppb (5) 24.0 μg/m3 (22) 3.0 μg/m3 (12) 22.0
 
May 18, 2019, 10 a.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 11.0 ppb (8) 0.39 ppb (4) 28.0 μg/m3 (25) 5.0 μg/m3 (21) 25.0
 
May 18, 2019, 9 a.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 16.0 ppb (12) 0.33 ppb (4) 29.0 μg/m3 (26) 6.0 μg/m3 (25) 26.0
 
May 18, 2019, 8 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 28.0 ppb (22) 0.26 ppb (3) 18.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
May 18, 2019, 7 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 34.0 ppb (26) 0.25 ppb (3) 24.0 μg/m3 (22) 3.0 μg/m3 (12) 26.0
 
May 18, 2019, 6 a.m. N/A N/A N/A 14.0 ppb (13) N/A 1.0 ppb (1) 31.0 ppb (24) 0.28 ppb (3) 18.0 μg/m3 (16) 1.0 μg/m3 (4) 24.0
 
May 18, 2019, 5 a.m. N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 37.0 ppb (28) 0.26 ppb (3) 8.0 μg/m3 (7) 3.0 μg/m3 (12) 28.0
 
May 18, 2019, 4 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 44.0 ppb (34) 0.21 ppb (2) 7.0 μg/m3 (6) 5.0 μg/m3 (21) 34.0
 
May 18, 2019, 3 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 41.0 ppb (32) 0.22 ppb (2) 17.0 μg/m3 (15) 2.0 μg/m3 (8) 32.0
 
May 18, 2019, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 46.0 ppb (35) 0.18 ppb (2) 16.0 μg/m3 (15) 3.0 μg/m3 (12) 35.0
 
May 18, 2019, 1 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 48.0 ppb (37) 0.16 ppb (2) 13.0 μg/m3 (12) 6.0 μg/m3 (25) 37.0
 
May 18, 2019, midnight N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 49.0 ppb (38) 0.16 ppb (2) 14.0 μg/m3 (13) 5.0 μg/m3 (21) 38.0
 
May 17, 2019, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 48.0 ppb (37) 0.16 ppb (2) 19.0 μg/m3 (17) 3.0 μg/m3 (12) 37.0
 
May 17, 2019, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 49.0 ppb (38) 0.16 ppb (2) 18.0 μg/m3 (16) 2.0 μg/m3 (8) 38.0
 
May 17, 2019, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 51.0 ppb (39) 0.16 ppb (2) 20.0 μg/m3 (18) 2.0 μg/m3 (8) 39.0
 
May 17, 2019, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (1) 52.0 ppb (40) 0.15 ppb (2) 29.0 μg/m3 (26) 2.0 μg/m3 (8) 40.0
 
May 17, 2019, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 53.0 ppb (41) 0.15 ppb (2) 22.0 μg/m3 (20) 6.0 μg/m3 (25) 41.0
 
May 17, 2019, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 55.0 ppb (42) 0.16 ppb (2) 33.0 μg/m3 (30) 9.0 μg/m3 (38) 42.0
 
May 17, 2019, 5 p.m. N/A 1.3 ppb (1) 3.4 ppb (3) 5.0 ppb (5) N/A 0.0 ppb (0) 52.0 ppb (40) 0.18 ppb (2) 46.0 μg/m3 (42) 8.0 μg/m3 (33) 42.0
 
May 17, 2019, 4 p.m. N/A 1.3 ppb (1) 3.1 ppb (3) 5.0 ppb (5) N/A 0.0 ppb (0) 48.0 ppb (37) 0.19 ppb (2) 41.0 μg/m3 (37) 7.0 μg/m3 (29) 37.0
 
May 17, 2019, 3 p.m. N/A 1.6 ppb (1) 3.7 ppb (3) 6.0 ppb (6) N/A 1.0 ppb (1) 45.0 ppb (35) 0.19 ppb (2) 38.0 μg/m3 (35) 9.0 μg/m3 (38) 38.0
 
May 17, 2019, 2 p.m. N/A 1.2 ppb (1) 3.7 ppb (3) 7.0 ppb (6) N/A 0.0 ppb (0) 42.0 ppb (32) 0.2 ppb (2) 38.0 μg/m3 (35) 16.0 μg/m3 (59) 59.0
 
May 17, 2019, 1 p.m. N/A 0.6 ppb (1) 5.1 ppb (5) 8.0 ppb (7) N/A 0.0 ppb (0) 40.0 ppb (31) 0.2 ppb (2) 34.0 μg/m3 (31) 8.0 μg/m3 (33) 33.0
 
May 17, 2019, noon N/A 0.0 ppb (0) 4.3 ppb (4) 8.0 ppb (7) N/A 0.0 ppb (0) 39.0 ppb (30) 0.21 ppb (2) 38.0 μg/m3 (35) 8.0 μg/m3 (33) 35.0
 
May 17, 2019, 11 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) 5.0 ppb (5) N/A 1.0 ppb (1) 42.0 ppb (32) 0.17 ppb (2) 47.0 μg/m3 (43) 8.0 μg/m3 (33) 43.0
 
May 17, 2019, 10 a.m. N/A 0.0 ppb (0) -1.3 ppb (0) 3.0 ppb (3) N/A 1.0 ppb (1) 46.0 ppb (35) 0.15 ppb (2) 68.0 μg/m3 (56) 8.0 μg/m3 (33) 56.0
 
May 17, 2019, 9 a.m. N/A 0.0 ppb (0) -0.9 ppb (0) 3.0 ppb (3) N/A 0.0 ppb (0) 47.0 ppb (36) 0.16 ppb (2) 55.0 μg/m3 (50) 9.0 μg/m3 (38) 50.0
 
May 17, 2019, 8 a.m. N/A 0.0 ppb (0) -2.2 ppb (0) 2.0 ppb (2) N/A 0.0 ppb (0) 48.0 ppb (37) 0.15 ppb (2) 80.0 μg/m3 (62) 16.0 μg/m3 (59) 62.0
 
May 17, 2019, 7 a.m. N/A -0.1 ppb (0) -2.3 ppb (0) 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (32) 0.16 ppb (2) 77.0 μg/m3 (61) 11.0 μg/m3 (46) 61.0
 
May 17, 2019, 6 a.m. N/A -0.1 ppb (0) -1.9 ppb (0) 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) 0.17 ppb (2) 78.0 μg/m3 (62) 13.0 μg/m3 (52) 62.0
 
May 17, 2019, 5 a.m. N/A 0.0 ppb (0) -1.1 ppb (0) 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) 0.18 ppb (2) 67.0 μg/m3 (56) 8.0 μg/m3 (33) 56.0
 
May 17, 2019, 4 a.m. N/A 0.0 ppb (0) -0.3 ppb (0) 4.0 ppb (4) N/A 0.0 ppb (0) 32.0 ppb (25) 0.19 ppb (2) 73.0 μg/m3 (59) 16.0 μg/m3 (59) 59.0
 
May 17, 2019, 3 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) 4.0 ppb (4) N/A 1.0 ppb (1) 34.0 ppb (26) 0.18 ppb (2) 53.0 μg/m3 (48) 5.0 μg/m3 (21) 48.0
 
May 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (40) 7.0 μg/m3 (29) 40.0