AQSQID: 040139997

Site Name: Phoenix Jlg Supersite

Location: Phoenix (Alahambra), AZ

Reporting: True, Located: True

Current AQI: 37.0

Phoenix (Alahambra) AZ, US: 33.503601, -112.095001

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 31, 2020, 11 p.m. N/A 0.4 ppb (0) 6.1 ppb (6) 7.0 ppb (6) N/A 1.0 ppb (1) 48.0 ppb (37) 0.2 ppb (2) 16.0 μg/m3 (15) 7.0 μg/m3 (29) 37.0
 
March 31, 2020, 10 p.m. N/A 0.4 ppb (0) 6.0 ppb (6) 6.0 ppb (6) N/A 1.0 ppb (1) 53.0 ppb (41) 0.22 ppb (2) 22.0 μg/m3 (20) 5.0 μg/m3 (21) 41.0
 
March 31, 2020, 9 p.m. N/A 0.6 ppb (1) 5.8 ppb (5) 6.0 ppb (6) N/A 1.0 ppb (1) 54.0 ppb (42) 0.23 ppb (3) 20.0 μg/m3 (18) 7.0 μg/m3 (29) 42.0
 
March 31, 2020, 8 p.m. N/A 0.6 ppb (1) 3.5 ppb (3) 6.0 ppb (6) N/A 1.0 ppb (1) 51.0 ppb (39) 0.22 ppb (2) 14.0 μg/m3 (13) 9.0 μg/m3 (38) 39.0
 
March 31, 2020, 7 p.m. N/A 0.7 ppb (1) 3.9 ppb (4) 5.0 ppb (5) N/A 1.0 ppb (1) 48.0 ppb (37) 0.21 ppb (2) 17.0 μg/m3 (15) 7.0 μg/m3 (29) 37.0
 
March 31, 2020, 6 p.m. N/A 3.6 ppb (3) 11.7 ppb (11) 8.0 ppb (7) N/A 1.0 ppb (1) 42.0 ppb (32) 0.26 ppb (3) 17.0 μg/m3 (15) 7.0 μg/m3 (29) 32.0
 
March 31, 2020, 5 p.m. N/A 5.1 ppb (5) 15.5 ppb (14) 8.0 ppb (7) N/A 1.0 ppb (1) 35.0 ppb (27) 0.27 ppb (3) 20.0 μg/m3 (18) 3.0 μg/m3 (12) 27.0
 
March 31, 2020, 4 p.m. N/A 7.2 ppb (7) 21.7 ppb (20) 15.0 ppb (14) N/A 1.0 ppb (1) 25.0 ppb (19) 0.34 ppb (4) 29.0 μg/m3 (26) 5.0 μg/m3 (21) 26.0
 
March 31, 2020, 3 p.m. N/A 6.9 ppb (6) 22.0 ppb (20) 18.0 ppb (17) N/A 1.0 ppb (1) 19.0 ppb (15) 0.41 ppb (5) 30.0 μg/m3 (27) 8.0 μg/m3 (33) 33.0
 
March 31, 2020, 2 p.m. N/A 6.4 ppb (6) 22.2 ppb (21) 17.0 ppb (16) N/A 1.0 ppb (1) 13.0 ppb (10) 0.43 ppb (5) 39.0 μg/m3 (35) 6.0 μg/m3 (25) 35.0
 
March 31, 2020, 1 p.m. N/A 3.0 ppb (3) 20.4 ppb (19) 20.0 ppb (19) N/A 1.0 ppb (1) 4.0 ppb (3) 0.54 ppb (6) 34.0 μg/m3 (31) 8.0 μg/m3 (33) 33.0
 
March 31, 2020, noon N/A 0.4 ppb (0) 14.0 ppb (13) 17.0 ppb (16) N/A 1.0 ppb (1) 6.0 ppb (5) 0.4 ppb (4) 27.0 μg/m3 (25) 7.0 μg/m3 (29) 29.0
 
March 31, 2020, 11 a.m. N/A 0.3 ppb (0) 13.5 ppb (12) 16.0 ppb (15) N/A 1.0 ppb (1) 8.0 ppb (6) 0.4 ppb (4) 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
March 31, 2020, 10 a.m. N/A 0.0 ppb (0) 8.8 ppb (8) 14.0 ppb (13) N/A 1.0 ppb (1) 10.0 ppb (8) 0.39 ppb (4) 17.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
March 31, 2020, 9 a.m. N/A 1.3 ppb (1) 18.7 ppb (17) 17.0 ppb (16) N/A 1.0 ppb (1) 12.0 ppb (9) 0.39 ppb (4) 13.0 μg/m3 (12) 8.0 μg/m3 (33) 33.0
 
March 31, 2020, 8 a.m. N/A 0.9 ppb (1) 23.3 ppb (22) 25.0 ppb (23) N/A 1.0 ppb (1) 3.0 ppb (2) 0.53 ppb (6) 25.0 μg/m3 (23) 7.0 μg/m3 (29) 29.0
 
March 31, 2020, 7 a.m. N/A 1.9 ppb (2) 26.3 ppb (24) 26.0 ppb (24) N/A 1.0 ppb (1) 3.0 ppb (2) 0.56 ppb (6) 24.0 μg/m3 (22) 7.0 μg/m3 (29) 29.0
 
March 31, 2020, 6 a.m. N/A 1.3 ppb (1) 24.2 ppb (22) 30.0 ppb (28) N/A 1.0 ppb (1) 4.0 ppb (3) 0.55 ppb (6) 30.0 μg/m3 (27) 11.0 μg/m3 (46) 46.0
 
March 31, 2020, 5 a.m. N/A 0.1 ppb (0) 11.9 ppb (11) 30.0 ppb (28) N/A 1.0 ppb (1) 8.0 ppb (6) 0.52 ppb (6) 22.0 μg/m3 (20) 8.0 μg/m3 (33) 33.0
 
March 31, 2020, 4 a.m. N/A 0.1 ppb (0) 10.5 ppb (10) 27.0 ppb (25) N/A 1.0 ppb (1) 13.0 ppb (10) 0.48 ppb (5) 27.0 μg/m3 (25) 7.0 μg/m3 (29) 29.0
 
March 31, 2020, 3 a.m. N/A 0.1 ppb (0) 10.5 ppb (10) 19.0 ppb (18) N/A 1.0 ppb (1) 24.0 ppb (18) 0.38 ppb (4) 19.0 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
March 31, 2020, 2 a.m. N/A 0.1 ppb (0) 8.4 ppb (8) 13.0 ppb (12) N/A 1.0 ppb (1) 35.0 ppb (27) 0.29 ppb (3) 19.0 μg/m3 (17) 6.0 μg/m3 (25) 27.0
 
March 31, 2020, 1 a.m. N/A 0.1 ppb (0) 2.0 ppb (2) 6.0 ppb (6) N/A 1.0 ppb (1) 45.0 ppb (35) 0.22 ppb (2) 13.0 μg/m3 (12) 2.0 μg/m3 (8) 35.0
 
March 31, 2020, midnight N/A 0.2 ppb (0) 1.0 ppb (1) 3.0 ppb (3) N/A 1.0 ppb (1) 51.0 ppb (39) 0.19 ppb (2) 12.0 μg/m3 (11) 2.0 μg/m3 (8) 39.0
 
March 30, 2020, 11 p.m. N/A 0.2 ppb (0) 1.1 ppb (1) 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A 12.0 μg/m3 (11) 1.0 μg/m3 (4) 11.0
 
March 30, 2020, 10 p.m. N/A 0.1 ppb (0) 0.6 ppb (1) 3.0 ppb (3) N/A 1.0 ppb (1) 53.0 ppb (41) N/A 16.0 μg/m3 (15) 1.0 μg/m3 (4) 41.0
 
March 30, 2020, 9 p.m. N/A 0.2 ppb (0) 0.7 ppb (1) 3.0 ppb (3) N/A 1.0 ppb (1) 52.0 ppb (40) N/A 19.0 μg/m3 (17) -2.0 μg/m3 (0) 40.0
 
March 30, 2020, 8 p.m. N/A 0.2 ppb (0) 1.2 ppb (1) 3.0 ppb (3) N/A N/A 50.0 ppb (38) 0.16 ppb (2) 11.0 μg/m3 (10) 3.0 μg/m3 (12) 38.0
 
March 30, 2020, 7 p.m. N/A 0.9 ppb (1) 3.6 ppb (3) 5.0 ppb (5) N/A N/A 46.0 ppb (35) 0.19 ppb (2) 19.0 μg/m3 (17) 6.0 μg/m3 (25) 35.0
 
March 30, 2020, 6 p.m. N/A 3.1 ppb (3) 11.0 ppb (10) 9.0 ppb (8) N/A N/A 43.0 ppb (33) 0.22 ppb (2) 20.0 μg/m3 (18) 8.0 μg/m3 (33) 33.0
 
March 30, 2020, 5 p.m. N/A 6.3 ppb (6) 18.7 ppb (17) 15.0 ppb (14) N/A 1.0 ppb (1) 33.0 ppb (25) 0.29 ppb (3) 29.0 μg/m3 (26) 13.0 μg/m3 (52) 52.0
 
March 30, 2020, 4 p.m. N/A 9.7 ppb (9) 24.4 ppb (23) 18.0 ppb (17) N/A 1.0 ppb (1) 25.0 ppb (19) 0.35 ppb (4) 27.0 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
March 30, 2020, 3 p.m. N/A 11.1 ppb (10) 26.4 ppb (24) 20.0 ppb (19) N/A 1.0 ppb (1) 19.0 ppb (15) 0.44 ppb (5) 33.0 μg/m3 (30) 6.0 μg/m3 (25) 30.0
 
March 30, 2020, 2 p.m. N/A 5.6 ppb (5) 22.4 ppb (21) 19.0 ppb (18) N/A 1.0 ppb (1) 13.0 ppb (10) 0.47 ppb (5) 29.0 μg/m3 (26) 2.0 μg/m3 (8) 26.0
 
March 30, 2020, 1 p.m. N/A 1.3 ppb (1) 20.3 ppb (19) 24.0 ppb (22) N/A 1.0 ppb (1) 6.0 ppb (5) 0.64 ppb (7) 19.0 μg/m3 (17) 2.0 μg/m3 (8) 22.0
 
March 30, 2020, noon N/A 0.1 ppb (0) 13.9 ppb (13) 20.0 ppb (19) N/A 1.0 ppb (1) 13.0 ppb (10) 0.34 ppb (4) 16.0 μg/m3 (15) 2.0 μg/m3 (8) 19.0
 
March 30, 2020, 11 a.m. N/A 0.1 ppb (0) 8.1 ppb (8) 14.0 ppb (13) N/A 1.0 ppb (1) 17.0 ppb (13) 0.28 ppb (3) 13.0 μg/m3 (12) 3.0 μg/m3 (12) 13.0
 
March 30, 2020, 10 a.m. N/A 0.0 ppb (0) 7.0 ppb (6) 11.0 ppb (10) N/A 1.0 ppb (1) 21.0 ppb (16) 0.26 ppb (3) 16.0 μg/m3 (15) 2.0 μg/m3 (8) 16.0
 
March 30, 2020, 9 a.m. N/A 0.0 ppb (0) 6.4 ppb (6) 10.0 ppb (9) N/A 1.0 ppb (1) 24.0 ppb (18) 0.27 ppb (3) 9.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
March 30, 2020, 8 a.m. N/A 0.0 ppb (0) 8.4 ppb (8) 13.0 ppb (12) N/A 1.0 ppb (1) 24.0 ppb (18) 0.27 ppb (3) 19.0 μg/m3 (17) 7.0 μg/m3 (29) 29.0
 
March 30, 2020, 7 a.m. N/A -0.1 ppb (0) 4.7 ppb (4) 8.0 ppb (7) N/A 1.0 ppb (1) 33.0 ppb (25) 0.22 ppb (2) 18.0 μg/m3 (16) 2.0 μg/m3 (8) 25.0
 
March 30, 2020, 6 a.m. N/A 0.0 ppb (0) 10.9 ppb (10) 9.0 ppb (8) N/A 1.0 ppb (1) 37.0 ppb (28) 0.2 ppb (2) 13.0 μg/m3 (12) 5.0 μg/m3 (21) 28.0
 
March 30, 2020, 5 a.m. N/A 0.0 ppb (0) 22.9 ppb (21) 26.0 ppb (24) N/A 1.0 ppb (1) 19.0 ppb (15) 0.47 ppb (5) 22.0 μg/m3 (20) 7.0 μg/m3 (29) 29.0
 
March 30, 2020, 4 a.m. N/A 0.8 ppb (1) 12.9 ppb (12) 18.0 ppb (17) N/A 1.0 ppb (1) 25.0 ppb (19) 0.46 ppb (5) 17.0 μg/m3 (15) 2.0 μg/m3 (8) 19.0
 
March 30, 2020, 3 a.m. N/A 0.0 ppb (0) 6.1 ppb (6) 10.0 ppb (9) N/A 1.0 ppb (1) 37.0 ppb (28) 0.26 ppb (3) 17.0 μg/m3 (15) 3.0 μg/m3 (12) 28.0
 
March 30, 2020, 2 a.m. N/A 0.1 ppb (0) 3.4 ppb (3) 7.0 ppb (6) N/A 1.0 ppb (1) 42.0 ppb (32) 0.21 ppb (2) 14.0 μg/m3 (13) 3.0 μg/m3 (12) 32.0
 
March 30, 2020, 1 a.m. N/A 0.2 ppb (0) 0.9 ppb (1) 4.0 ppb (4) N/A 1.0 ppb (1) 47.0 ppb (36) 0.19 ppb (2) 9.0 μg/m3 (8) 0.0 μg/m3 (0) 36.0
 
March 30, 2020, midnight N/A 0.1 ppb (0) 0.2 ppb (0) 2.0 ppb (2) N/A 1.0 ppb (1) 49.0 ppb (38) 0.16 ppb (2) 9.0 μg/m3 (8) 1.0 μg/m3 (4) 38.0
 
March 29, 2020, 11 p.m. N/A 0.1 ppb (0) 0.3 ppb (0) 2.0 ppb (2) N/A 1.0 ppb (1) 51.0 ppb (39) 0.18 ppb (2) 14.0 μg/m3 (13) 1.0 μg/m3 (4) 39.0
 
March 29, 2020, 10 p.m. N/A 0.1 ppb (0) 0.6 ppb (1) 2.0 ppb (2) N/A 1.0 ppb (1) N/A 0.17 ppb (2) 12.0 μg/m3 (11) -2.0 μg/m3 (0) 11.0
 
March 29, 2020, 9 p.m. N/A 0.1 ppb (0) 0.8 ppb (1) 3.0 ppb (3) N/A 1.0 ppb (1) 54.0 ppb (42) 0.18 ppb (2) 14.0 μg/m3 (13) 2.0 μg/m3 (8) 42.0
 
March 29, 2020, 8 p.m. N/A 0.4 ppb (0) 2.3 ppb (2) 3.0 ppb (3) N/A 1.0 ppb (1) 54.0 ppb (42) 0.18 ppb (2) 9.0 μg/m3 (8) 5.0 μg/m3 (21) 42.0
 
March 29, 2020, 7 p.m. N/A 0.4 ppb (0) 2.3 ppb (2) 4.0 ppb (4) N/A 1.0 ppb (1) 53.0 ppb (41) 0.17 ppb (2) 12.0 μg/m3 (11) 5.0 μg/m3 (21) 41.0
 
March 29, 2020, 6 p.m. N/A 0.6 ppb (1) 1.7 ppb (2) 3.0 ppb (3) N/A 1.0 ppb (1) 50.0 ppb (38) 0.18 ppb (2) 12.0 μg/m3 (11) 3.0 μg/m3 (12) 38.0
 
March 29, 2020, 5 p.m. N/A 0.3 ppb (0) 0.2 ppb (0) 2.0 ppb (2) N/A 1.0 ppb (1) 43.0 ppb (33) 0.19 ppb (2) 13.0 μg/m3 (12) 6.0 μg/m3 (25) 33.0
 
March 29, 2020, 4 p.m. N/A 2.1 ppb (2) 6.3 ppb (6) 5.0 ppb (5) N/A 1.0 ppb (1) 38.0 ppb (29) 0.18 ppb (2) 11.0 μg/m3 (10) 7.0 μg/m3 (29) 29.0
 
March 29, 2020, 3 p.m. N/A 3.0 ppb (3) 9.6 ppb (9) 8.0 ppb (7) N/A 1.0 ppb (1) 27.0 ppb (21) 0.26 ppb (3) 19.0 μg/m3 (17) 12.0 μg/m3 (50) 50.0
 
March 29, 2020, 2 p.m. N/A 1.3 ppb (1) 13.3 ppb (12) 13.0 ppb (12) N/A 1.0 ppb (1) 17.0 ppb (13) 0.32 ppb (4) 18.0 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
March 29, 2020, 1 p.m. N/A 0.6 ppb (1) 15.2 ppb (14) 16.0 ppb (15) N/A 1.0 ppb (1) 7.0 ppb (5) 0.4 ppb (4) 22.0 μg/m3 (20) 8.0 μg/m3 (33) 33.0
 
March 29, 2020, noon N/A 0.2 ppb (0) 15.1 ppb (14) 16.0 ppb (15) N/A 1.0 ppb (1) 9.0 ppb (7) 0.4 ppb (4) 18.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
March 29, 2020, 11 a.m. N/A 0.0 ppb (0) 14.1 ppb (13) 17.0 ppb (16) N/A 1.0 ppb (1) 10.0 ppb (8) 0.39 ppb (4) 22.0 μg/m3 (20) 6.0 μg/m3 (25) 25.0
 
March 29, 2020, 10 a.m. N/A 0.0 ppb (0) 15.2 ppb (14) 17.0 ppb (16) N/A 1.0 ppb (1) 12.0 ppb (9) 0.4 ppb (4) 22.0 μg/m3 (20) 17.0 μg/m3 (61) 61.0
 
March 29, 2020, 9 a.m. N/A 0.0 ppb (0) 11.9 ppb (11) 14.0 ppb (13) N/A 1.0 ppb (1) 16.0 ppb (12) 0.41 ppb (5) 22.0 μg/m3 (20) 17.0 μg/m3 (61) 61.0
 
March 29, 2020, 8 a.m. N/A 0.0 ppb (0) 9.5 ppb (9) 11.0 ppb (10) N/A 1.0 ppb (1) 21.0 ppb (16) 0.35 ppb (4) 18.0 μg/m3 (16) 18.0 μg/m3 (63) 63.0
 
March 29, 2020, 7 a.m. N/A 0.1 ppb (0) 16.8 ppb (16) 15.0 ppb (14) N/A 1.0 ppb (1) 21.0 ppb (16) 0.41 ppb (5) 27.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
March 29, 2020, 6 a.m. N/A 0.1 ppb (0) 27.4 ppb (25) 29.0 ppb (27) N/A 1.0 ppb (1) 8.0 ppb (6) 0.67 ppb (7) 29.0 μg/m3 (26) 22.0 μg/m3 (71) 71.0
 
March 29, 2020, 5 a.m. N/A 0.0 ppb (0) 20.3 ppb (19) 28.0 ppb (26) N/A 1.0 ppb (1) 12.0 ppb (9) 0.53 ppb (6) 31.0 μg/m3 (28) 13.0 μg/m3 (52) 52.0
 
March 29, 2020, 4 a.m. N/A 0.0 ppb (0) 14.6 ppb (14) 17.0 ppb (16) N/A 1.0 ppb (1) 28.0 ppb (22) 0.41 ppb (5) 20.0 μg/m3 (18) 7.0 μg/m3 (29) 29.0
 
March 29, 2020, 3 a.m. N/A 0.1 ppb (0) 10.4 ppb (10) 13.0 ppb (12) N/A 1.0 ppb (1) 35.0 ppb (27) 0.31 ppb (3) 17.0 μg/m3 (15) 1.0 μg/m3 (4) 27.0
 
March 29, 2020, 2 a.m. N/A 0.2 ppb (0) 7.0 ppb (6) 12.0 ppb (11) N/A 1.0 ppb (1) 38.0 ppb (29) 0.26 ppb (3) 18.0 μg/m3 (16) 2.0 μg/m3 (8) 29.0
 
March 29, 2020, 1 a.m. N/A 0.1 ppb (0) 2.7 ppb (3) 5.0 ppb (5) N/A 1.0 ppb (1) 47.0 ppb (36) 0.21 ppb (2) 13.0 μg/m3 (12) 3.0 μg/m3 (12) 36.0
 
March 29, 2020, midnight N/A 0.4 ppb (0) 3.0 ppb (3) 4.0 ppb (4) N/A 1.0 ppb (1) 50.0 ppb (38) 0.22 ppb (2) 12.0 μg/m3 (11) 0.0 μg/m3 (0) 38.0
 
March 28, 2020, 11 p.m. N/A 0.7 ppb (1) 3.8 ppb (4) 4.0 ppb (4) N/A 1.0 ppb (1) 51.0 ppb (39) 0.2 ppb (2) 11.0 μg/m3 (10) 0.0 μg/m3 (0) 39.0
 
March 28, 2020, 10 p.m. N/A 0.9 ppb (1) 4.0 ppb (4) 5.0 ppb (5) N/A 1.0 ppb (1) N/A 0.18 ppb (2) 14.0 μg/m3 (13) 0.0 μg/m3 (0) 13.0
 
March 28, 2020, 9 p.m. N/A 0.8 ppb (1) 2.5 ppb (2) 4.0 ppb (4) N/A 1.0 ppb (1) 50.0 ppb (38) 0.17 ppb (2) 11.0 μg/m3 (10) 1.0 μg/m3 (4) 38.0
 
March 28, 2020, 8 p.m. N/A 0.6 ppb (1) 1.4 ppb (1) 3.0 ppb (3) N/A 1.0 ppb (1) 48.0 ppb (37) 0.17 ppb (2) 11.0 μg/m3 (10) 3.0 μg/m3 (12) 37.0
 
March 28, 2020, 7 p.m. N/A 0.5 ppb (0) 0.6 ppb (1) 3.0 ppb (3) N/A 1.0 ppb (1) 47.0 ppb (36) 0.19 ppb (2) 13.0 μg/m3 (12) 5.0 μg/m3 (21) 36.0
 
March 28, 2020, 6 p.m. N/A 0.5 ppb (0) 0.2 ppb (0) 3.0 ppb (3) N/A 1.0 ppb (1) 44.0 ppb (34) 0.19 ppb (2) 8.0 μg/m3 (7) 5.0 μg/m3 (21) 34.0
 
March 28, 2020, 5 p.m. N/A 0.9 ppb (1) 1.7 ppb (2) 3.0 ppb (3) N/A 1.0 ppb (1) 41.0 ppb (32) 0.19 ppb (2) 12.0 μg/m3 (11) 9.0 μg/m3 (38) 38.0
 
March 28, 2020, 4 p.m. N/A 1.5 ppb (1) 4.1 ppb (4) 3.0 ppb (3) N/A 1.0 ppb (1) 38.0 ppb (29) 0.18 ppb (2) 11.0 μg/m3 (10) 7.0 μg/m3 (29) 29.0
 
March 28, 2020, 3 p.m. N/A 1.5 ppb (1) 4.2 ppb (4) 5.0 ppb (5) N/A 1.0 ppb (1) 32.0 ppb (25) 0.2 ppb (2) 9.0 μg/m3 (8) 7.0 μg/m3 (29) 29.0
 
March 28, 2020, 2 p.m. N/A 0.9 ppb (1) 5.8 ppb (5) 7.0 ppb (6) N/A 1.0 ppb (1) 25.0 ppb (19) 0.23 ppb (3) 11.0 μg/m3 (10) -2.0 μg/m3 (0) 19.0
 
March 28, 2020, 1 p.m. N/A 0.2 ppb (0) 4.3 ppb (4) 7.0 ppb (6) N/A 1.0 ppb (1) 24.0 ppb (18) 0.24 ppb (3) 9.0 μg/m3 (8) 2.0 μg/m3 (8) 18.0
 
March 28, 2020, noon N/A -0.1 ppb (0) 2.7 ppb (3) 5.0 ppb (5) N/A 1.0 ppb (1) 26.0 ppb (20) 0.23 ppb (3) 11.0 μg/m3 (10) 3.0 μg/m3 (12) 20.0
 
March 28, 2020, 11 a.m. N/A 0.0 ppb (0) 4.9 ppb (5) 6.0 ppb (6) N/A 1.0 ppb (1) 23.0 ppb (18) 0.25 ppb (3) 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
March 28, 2020, 10 a.m. N/A 0.2 ppb (0) 14.6 ppb (14) 12.0 ppb (11) N/A 1.0 ppb (1) 17.0 ppb (13) 0.36 ppb (4) 16.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
March 28, 2020, 9 a.m. N/A 0.4 ppb (0) 20.4 ppb (19) 22.0 ppb (20) N/A 1.0 ppb (1) 5.0 ppb (4) 0.53 ppb (6) 23.0 μg/m3 (21) 12.0 μg/m3 (50) 50.0
 
March 28, 2020, 8 a.m. N/A 0.4 ppb (0) 19.5 ppb (18) 22.0 ppb (20) N/A 1.0 ppb (1) 8.0 ppb (6) 0.47 ppb (5) 25.0 μg/m3 (23) 13.0 μg/m3 (52) 52.0
 
March 28, 2020, 7 a.m. N/A 0.4 ppb (0) 18.7 ppb (17) 23.0 ppb (21) N/A 1.0 ppb (1) 9.0 ppb (7) 0.47 ppb (5) 38.0 μg/m3 (35) 14.0 μg/m3 (54) 54.0
 
March 28, 2020, 6 a.m. N/A 0.0 ppb (0) 15.2 ppb (14) 21.0 ppb (19) N/A 1.0 ppb (1) 15.0 ppb (12) 0.4 ppb (4) 19.0 μg/m3 (17) 9.0 μg/m3 (38) 38.0
 
March 28, 2020, 5 a.m. N/A 0.0 ppb (0) 13.2 ppb (12) 17.0 ppb (16) N/A 1.0 ppb (1) 23.0 ppb (18) 0.36 ppb (4) 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
March 28, 2020, 4 a.m. N/A 0.1 ppb (0) 9.5 ppb (9) 14.0 ppb (13) N/A 1.0 ppb (1) 29.0 ppb (22) 0.3 ppb (3) 13.0 μg/m3 (12) 1.0 μg/m3 (4) 22.0
 
March 28, 2020, 3 a.m. N/A 0.1 ppb (0) 4.0 ppb (4) 12.0 ppb (11) N/A 1.0 ppb (1) 32.0 ppb (25) 0.28 ppb (3) 11.0 μg/m3 (10) 3.0 μg/m3 (12) 25.0
 
March 28, 2020, 2 a.m. N/A 0.2 ppb (0) 1.5 ppb (1) 7.0 ppb (6) N/A 1.0 ppb (1) 39.0 ppb (30) 0.25 ppb (3) 9.0 μg/m3 (8) 0.0 μg/m3 (0) 30.0
 
March 28, 2020, 1 a.m. N/A 0.2 ppb (0) 0.7 ppb (1) 4.0 ppb (4) N/A 1.0 ppb (1) 44.0 ppb (34) 0.23 ppb (3) 7.0 μg/m3 (6) 1.0 μg/m3 (4) 34.0
 
March 28, 2020, midnight N/A 0.3 ppb (0) 0.4 ppb (0) 3.0 ppb (3) N/A 1.0 ppb (1) 47.0 ppb (36) 0.21 ppb (2) 11.0 μg/m3 (10) 2.0 μg/m3 (8) 36.0
 
March 27, 2020, 11 p.m. N/A 0.5 ppb (0) 0.6 ppb (1) 3.0 ppb (3) N/A 1.0 ppb (1) N/A 0.2 ppb (2) 13.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
March 27, 2020, 10 p.m. N/A 0.4 ppb (0) 0.4 ppb (0) 3.0 ppb (3) N/A 1.0 ppb (1) N/A 0.2 ppb (2) 17.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
March 27, 2020, 9 p.m. N/A 0.4 ppb (0) 0.1 ppb (0) 2.0 ppb (2) N/A 1.0 ppb (1) 46.0 ppb (35) 0.18 ppb (2) 18.0 μg/m3 (16) 3.0 μg/m3 (12) 35.0
 
March 27, 2020, 8 p.m. N/A 0.5 ppb (0) 0.9 ppb (1) 3.0 ppb (3) N/A 1.0 ppb (1) 47.0 ppb (36) 0.18 ppb (2) 29.0 μg/m3 (26) 1.0 μg/m3 (4) 36.0
 
March 27, 2020, 7 p.m. N/A 0.9 ppb (1) 1.5 ppb (1) 3.0 ppb (3) N/A 1.0 ppb (1) 46.0 ppb (35) 0.19 ppb (2) 19.0 μg/m3 (17) -2.0 μg/m3 (0) 35.0
 
March 27, 2020, 6 p.m. N/A 1.3 ppb (1) 2.8 ppb (3) 4.0 ppb (4) N/A 1.0 ppb (1) 42.0 ppb (32) 0.18 ppb (2) 17.0 μg/m3 (15) 2.0 μg/m3 (8) 32.0
 
March 27, 2020, 5 p.m. N/A 1.1 ppb (1) 1.9 ppb (2) 4.0 ppb (4) N/A 1.0 ppb (1) 40.0 ppb (31) 0.19 ppb (2) 18.0 μg/m3 (16) 3.0 μg/m3 (12) 31.0
 
March 27, 2020, 4 p.m. N/A 1.1 ppb (1) 1.9 ppb (2) 5.0 ppb (5) N/A 1.0 ppb (1) 37.0 ppb (28) 0.2 ppb (2) 18.0 μg/m3 (16) 3.0 μg/m3 (12) 28.0
 
March 27, 2020, 3 p.m. N/A 0.6 ppb (1) 2.4 ppb (2) 5.0 ppb (5) N/A 1.0 ppb (1) 35.0 ppb (27) 0.2 ppb (2) 14.0 μg/m3 (13) 7.0 μg/m3 (29) 29.0
 
March 27, 2020, 2 p.m. N/A 0.3 ppb (0) 5.0 ppb (5) 6.0 ppb (6) N/A 1.0 ppb (1) 33.0 ppb (25) 0.2 ppb (2) 13.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
March 27, 2020, 1 p.m. N/A 0.1 ppb (0) 7.8 ppb (7) 10.0 ppb (9) N/A 1.0 ppb (1) 28.0 ppb (22) 0.22 ppb (2) 19.0 μg/m3 (17) 2.0 μg/m3 (8) 22.0
 
March 27, 2020, noon N/A 0.1 ppb (0) 3.2 ppb (3) 10.0 ppb (9) N/A 1.0 ppb (1) 29.0 ppb (22) 0.23 ppb (3) 18.0 μg/m3 (16) 3.0 μg/m3 (12) 22.0
 
March 27, 2020, 11 a.m. N/A 0.1 ppb (0) 2.8 ppb (3) 7.0 ppb (6) N/A 1.0 ppb (1) 32.0 ppb (25) 0.21 ppb (2) 19.0 μg/m3 (17) 3.0 μg/m3 (12) 25.0
 
March 27, 2020, 10 a.m. N/A 0.1 ppb (0) 1.8 ppb (2) 6.0 ppb (6) N/A 1.0 ppb (1) 35.0 ppb (27) 0.18 ppb (2) 11.0 μg/m3 (10) 3.0 μg/m3 (12) 27.0
 
March 27, 2020, 9 a.m. N/A 0.1 ppb (0) 1.3 ppb (1) 4.0 ppb (4) N/A 1.0 ppb (1) 37.0 ppb (28) 0.18 ppb (2) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 28.0
 
March 27, 2020, 8 a.m. N/A 0.0 ppb (0) -0.6 ppb (0) 4.0 ppb (4) N/A 1.0 ppb (1) 41.0 ppb (32) 0.15 ppb (2) 18.0 μg/m3 (16) 3.0 μg/m3 (12) 32.0
 
March 27, 2020, 7 a.m. N/A 0.0 ppb (0) -0.7 ppb (0) 3.0 ppb (3) N/A 1.0 ppb (1) 43.0 ppb (33) 0.15 ppb (2) 13.0 μg/m3 (12) 1.0 μg/m3 (4) 33.0
 
March 27, 2020, 6 a.m. N/A 0.0 ppb (0) 1.4 ppb (1) 3.0 ppb (3) N/A 1.0 ppb (1) 44.0 ppb (34) 0.16 ppb (2) 13.0 μg/m3 (12) 1.0 μg/m3 (4) 34.0
 
March 27, 2020, 5 a.m. N/A 0.0 ppb (0) 2.3 ppb (2) 5.0 ppb (5) N/A 1.0 ppb (1) 41.0 ppb (32) 0.18 ppb (2) 13.0 μg/m3 (12) 1.0 μg/m3 (4) 32.0
 
March 27, 2020, 4 a.m. N/A 0.0 ppb (0) 2.4 ppb (2) 5.0 ppb (5) N/A 1.0 ppb (1) 42.0 ppb (32) 0.2 ppb (2) 18.0 μg/m3 (16) 2.0 μg/m3 (8) 32.0
 
March 27, 2020, 3 a.m. N/A 0.0 ppb (0) 3.8 ppb (4) 7.0 ppb (6) N/A 1.0 ppb (1) 40.0 ppb (31) 0.2 ppb (2) 27.0 μg/m3 (25) 2.0 μg/m3 (8) 31.0
 
March 27, 2020, 2 a.m. N/A 0.0 ppb (0) 2.0 ppb (2) 6.0 ppb (6) N/A 1.0 ppb (1) 42.0 ppb (32) 0.18 ppb (2) 17.0 μg/m3 (15) 2.0 μg/m3 (8) 32.0
 
March 27, 2020, 1 a.m. N/A 0.1 ppb (0) 0.7 ppb (1) 4.0 ppb (4) N/A 1.0 ppb (1) N/A 0.2 ppb (2) 13.0 μg/m3 (12) -2.0 μg/m3 (0) 12.0
 
March 27, 2020, midnight N/A 0.2 ppb (0) -0.2 ppb (0) 3.0 ppb (3) N/A 1.0 ppb (1) 44.0 ppb (34) 0.2 ppb (2) 12.0 μg/m3 (11) -3.0 μg/m3 (0) 34.0
 
March 26, 2020, 11 p.m. N/A 0.3 ppb (0) 0.0 ppb (0) 2.0 ppb (2) N/A 1.0 ppb (1) 42.0 ppb (32) 0.18 ppb (2) 13.0 μg/m3 (12) 1.0 μg/m3 (4) 32.0
 
March 26, 2020, 10 p.m. N/A 0.3 ppb (0) -0.1 ppb (0) 2.0 ppb (2) N/A 1.0 ppb (1) N/A 0.18 ppb (2) 14.0 μg/m3 (13) 2.0 μg/m3 (8) 13.0
 
March 26, 2020, 9 p.m. N/A 0.3 ppb (0) 0.0 ppb (0) 3.0 ppb (3) N/A 1.0 ppb (1) N/A 0.14 ppb (2) 13.0 μg/m3 (12) 3.0 μg/m3 (12) 12.0
 
March 26, 2020, 8 p.m. N/A 0.4 ppb (0) 0.0 ppb (0) 3.0 ppb (3) N/A 1.0 ppb (1) 43.0 ppb (33) 0.15 ppb (2) 13.0 μg/m3 (12) 5.0 μg/m3 (21) 33.0
 
March 26, 2020, 7 p.m. N/A 0.6 ppb (1) 0.9 ppb (1) 3.0 ppb (3) N/A 1.0 ppb (1) 42.0 ppb (32) 0.17 ppb (2) 7.0 μg/m3 (6) 5.0 μg/m3 (21) 32.0
 
March 26, 2020, 6 p.m. N/A 0.8 ppb (1) 1.4 ppb (1) 4.0 ppb (4) N/A 1.0 ppb (1) 39.0 ppb (30) 0.18 ppb (2) 16.0 μg/m3 (15) 1.0 μg/m3 (4) 30.0
 
March 26, 2020, 5 p.m. N/A 0.7 ppb (1) 1.5 ppb (1) 4.0 ppb (4) N/A 1.0 ppb (1) 37.0 ppb (28) 0.16 ppb (2) 17.0 μg/m3 (15) 0.0 μg/m3 (0) 28.0
 
March 26, 2020, 4 p.m. N/A 0.7 ppb (1) 2.1 ppb (2) 5.0 ppb (5) N/A 1.0 ppb (1) 35.0 ppb (27) 0.17 ppb (2) 17.0 μg/m3 (15) 2.0 μg/m3 (8) 27.0
 
March 26, 2020, 3 p.m. N/A 0.8 ppb (1) 5.4 ppb (5) 7.0 ppb (6) N/A 1.0 ppb (1) 33.0 ppb (25) 0.18 ppb (2) 18.0 μg/m3 (16) 3.0 μg/m3 (12) 25.0
 
March 26, 2020, 2 p.m. N/A 0.6 ppb (1) 8.9 ppb (8) 10.0 ppb (9) N/A 1.0 ppb (1) 30.0 ppb (23) 0.21 ppb (2) 20.0 μg/m3 (18) 1.0 μg/m3 (4) 23.0
 
March 26, 2020, 1 p.m. N/A 0.1 ppb (0) 10.1 ppb (9) 14.0 ppb (13) N/A 1.0 ppb (1) 27.0 ppb (21) 0.21 ppb (2) 22.0 μg/m3 (20) 1.0 μg/m3 (4) 21.0
 
March 26, 2020, noon N/A 0.1 ppb (0) 5.5 ppb (5) 9.0 ppb (8) N/A 1.0 ppb (1) 29.0 ppb (22) 0.19 ppb (2) 16.0 μg/m3 (15) 0.0 μg/m3 (0) 22.0
 
March 26, 2020, 11 a.m. N/A 0.0 ppb (0) 3.3 ppb (3) 6.0 ppb (6) N/A 1.0 ppb (1) 34.0 ppb (26) 0.16 ppb (2) 18.0 μg/m3 (16) 0.0 μg/m3 (0) 26.0
 
March 26, 2020, 10 a.m. N/A 0.0 ppb (0) 1.5 ppb (1) 5.0 ppb (5) N/A 1.0 ppb (1) 33.0 ppb (25) 0.14 ppb (2) 16.0 μg/m3 (15) 1.0 μg/m3 (4) 25.0
 
March 26, 2020, 9 a.m. N/A 0.0 ppb (0) 5.3 ppb (5) 7.0 ppb (6) N/A 1.0 ppb (1) 33.0 ppb (25) 0.16 ppb (2) 16.0 μg/m3 (15) 2.0 μg/m3 (8) 25.0
 
March 26, 2020, 8 a.m. N/A 0.0 ppb (0) 4.4 ppb (4) 7.0 ppb (6) N/A 1.0 ppb (1) 33.0 ppb (25) 0.15 ppb (2) 8.0 μg/m3 (7) 5.0 μg/m3 (21) 25.0
 
March 26, 2020, 7 a.m. N/A 0.0 ppb (0) 14.3 ppb (13) 11.0 ppb (10) N/A 1.0 ppb (1) 26.0 ppb (20) 0.23 ppb (3) 14.0 μg/m3 (13) 8.0 μg/m3 (33) 33.0
 
March 26, 2020, 6 a.m. N/A 0.1 ppb (0) 22.3 ppb (21) 21.0 ppb (19) N/A 1.0 ppb (1) 16.0 ppb (12) 0.36 ppb (4) 29.0 μg/m3 (26) 6.0 μg/m3 (25) 26.0
 
March 26, 2020, 5 a.m. N/A 0.0 ppb (0) 17.6 ppb (16) 20.0 ppb (19) N/A 1.0 ppb (1) 18.0 ppb (14) 0.37 ppb (4) 22.0 μg/m3 (20) 5.0 μg/m3 (21) 21.0
 
March 26, 2020, 4 a.m. N/A 0.0 ppb (0) 14.5 ppb (13) 19.0 ppb (18) N/A 1.0 ppb (1) 22.0 ppb (17) 0.35 ppb (4) 22.0 μg/m3 (20) 7.0 μg/m3 (29) 29.0
 
March 26, 2020, 3 a.m. N/A 0.0 ppb (0) 10.4 ppb (10) 16.0 ppb (15) N/A 1.0 ppb (1) 28.0 ppb (22) 0.27 ppb (3) 18.0 μg/m3 (16) 5.0 μg/m3 (21) 22.0
 
March 26, 2020, 2 a.m. N/A 0.0 ppb (0) 9.1 ppb (8) 12.0 ppb (11) N/A 1.0 ppb (1) 35.0 ppb (27) 0.21 ppb (2) 16.0 μg/m3 (15) 3.0 μg/m3 (12) 27.0
 
March 26, 2020, 1 a.m. N/A 0.4 ppb (0) 10.9 ppb (10) 14.0 ppb (13) N/A 1.0 ppb (1) 37.0 ppb (28) 0.21 ppb (2) 22.0 μg/m3 (20) 1.0 μg/m3 (4) 28.0
 
March 26, 2020, midnight N/A 0.5 ppb (0) 8.5 ppb (8) 10.0 ppb (9) N/A 1.0 ppb (1) 42.0 ppb (32) 0.21 ppb (2) 23.0 μg/m3 (21) 1.0 μg/m3 (4) 32.0
 
March 25, 2020, 11 p.m. N/A 0.9 ppb (1) 9.4 ppb (9) 9.0 ppb (8) N/A 1.0 ppb (1) 45.0 ppb (35) 0.2 ppb (2) 20.0 μg/m3 (18) -2.0 μg/m3 (0) 35.0
 
March 25, 2020, 10 p.m. N/A 0.7 ppb (1) 3.7 ppb (3) 8.0 ppb (7) N/A 1.0 ppb (1) 46.0 ppb (35) 0.19 ppb (2) 22.0 μg/m3 (20) 0.0 μg/m3 (0) 35.0
 
March 25, 2020, 9 p.m. N/A 0.7 ppb (1) 3.4 ppb (3) 5.0 ppb (5) N/A 1.0 ppb (1) 49.0 ppb (38) 0.16 ppb (2) 12.0 μg/m3 (11) 2.0 μg/m3 (8) 38.0
 
March 25, 2020, 8 p.m. N/A 1.1 ppb (1) 5.0 ppb (5) 5.0 ppb (5) N/A 1.0 ppb (1) 48.0 ppb (37) 0.18 ppb (2) 16.0 μg/m3 (15) 2.0 μg/m3 (8) 37.0
 
March 25, 2020, 7 p.m. N/A 1.7 ppb (2) 6.4 ppb (6) 7.0 ppb (6) N/A 1.0 ppb (1) 44.0 ppb (34) 0.21 ppb (2) 12.0 μg/m3 (11) 1.0 μg/m3 (4) 34.0
 
March 25, 2020, 6 p.m. N/A 1.6 ppb (1) 5.0 ppb (5) 6.0 ppb (6) N/A 1.0 ppb (1) 40.0 ppb (31) 0.23 ppb (3) 16.0 μg/m3 (15) 1.0 μg/m3 (4) 31.0
 
March 25, 2020, 5 p.m. N/A 1.8 ppb (2) 5.3 ppb (5) 6.0 ppb (6) N/A 1.0 ppb (1) 35.0 ppb (27) 0.2 ppb (2) 16.0 μg/m3 (15) 2.0 μg/m3 (8) 27.0
 
March 25, 2020, 4 p.m. N/A 2.2 ppb (2) 6.6 ppb (6) 7.0 ppb (6) N/A 1.0 ppb (1) 30.0 ppb (23) 0.21 ppb (2) 17.0 μg/m3 (15) 3.0 μg/m3 (12) 23.0
 
March 25, 2020, 3 p.m. N/A 2.1 ppb (2) 6.8 ppb (6) 8.0 ppb (7) N/A 1.0 ppb (1) 27.0 ppb (21) 0.24 ppb (3) 20.0 μg/m3 (18) 3.0 μg/m3 (12) 21.0
 
March 25, 2020, 2 p.m. N/A 1.0 ppb (1) 8.6 ppb (8) 8.0 ppb (7) N/A 1.0 ppb (1) 25.0 ppb (19) 0.26 ppb (3) 14.0 μg/m3 (13) 2.0 μg/m3 (8) 19.0
 
March 25, 2020, 1 p.m. N/A 0.7 ppb (1) 8.1 ppb (8) 11.0 ppb (10) N/A 1.0 ppb (1) 18.0 ppb (14) 0.29 ppb (3) 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
March 25, 2020, noon N/A 0.0 ppb (0) 4.3 ppb (4) 6.0 ppb (6) N/A 1.0 ppb (1) 23.0 ppb (18) 0.2 ppb (2) 13.0 μg/m3 (12) 2.0 μg/m3 (8) 18.0
 
March 25, 2020, 11 a.m. N/A 0.1 ppb (0) 5.4 ppb (5) 7.0 ppb (6) N/A 1.0 ppb (1) 20.0 ppb (15) 0.26 ppb (3) 8.0 μg/m3 (7) 1.0 μg/m3 (4) 15.0
 
March 25, 2020, 10 a.m. N/A 0.6 ppb (1) 17.4 ppb (16) 16.0 ppb (15) N/A 1.0 ppb (1) 10.0 ppb (8) 0.37 ppb (4) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
March 25, 2020, 9 a.m. N/A 0.2 ppb (0) 16.4 ppb (15) 18.0 ppb (17) N/A 1.0 ppb (1) 6.0 ppb (5) 0.41 ppb (5) 12.0 μg/m3 (11) 8.0 μg/m3 (33) 33.0
 
March 25, 2020, 8 a.m. N/A 0.5 ppb (0) 19.0 ppb (18) 22.0 ppb (20) N/A 1.0 ppb (1) 6.0 ppb (5) 0.41 ppb (5) 18.0 μg/m3 (16) 2.0 μg/m3 (8) 20.0
 
March 25, 2020, 7 a.m. N/A 0.2 ppb (0) 17.8 ppb (16) 23.0 ppb (21) N/A 1.0 ppb (1) 7.0 ppb (5) 0.38 ppb (4) 17.0 μg/m3 (15) 2.0 μg/m3 (8) 21.0
 
March 25, 2020, 6 a.m. N/A 0.1 ppb (0) 14.9 ppb (14) 20.0 ppb (19) N/A 1.0 ppb (1) 13.0 ppb (10) 0.32 ppb (4) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
March 25, 2020, 5 a.m. N/A 0.1 ppb (0) 11.9 ppb (11) 17.0 ppb (16) N/A 1.0 ppb (1) 20.0 ppb (15) 0.29 ppb (3) 14.0 μg/m3 (13) 3.0 μg/m3 (12) 16.0
 
March 25, 2020, 4 a.m. N/A 0.1 ppb (0) 10.7 ppb (10) 15.0 ppb (14) N/A 1.0 ppb (1) 26.0 ppb (20) 0.34 ppb (4) 17.0 μg/m3 (15) 3.0 μg/m3 (12) 20.0
 
March 25, 2020, 3 a.m. N/A 0.1 ppb (0) 9.9 ppb (9) 14.0 ppb (13) N/A 1.0 ppb (1) 27.0 ppb (21) 0.29 ppb (3) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
March 25, 2020, 2 a.m. N/A 0.2 ppb (0) 3.7 ppb (3) 9.0 ppb (8) N/A 1.0 ppb (1) 36.0 ppb (28) 0.22 ppb (2) 12.0 μg/m3 (11) 0.0 μg/m3 (0) 28.0
 
March 25, 2020, 1 a.m. N/A 0.2 ppb (0) 1.6 ppb (1) 5.0 ppb (5) N/A 1.0 ppb (1) 42.0 ppb (32) 0.16 ppb (2) 12.0 μg/m3 (11) 3.0 μg/m3 (12) 32.0
 
March 25, 2020, midnight N/A 0.4 ppb (0) 0.7 ppb (1) 3.0 ppb (3) N/A 1.0 ppb (1) 45.0 ppb (35) 0.16 ppb (2) 13.0 μg/m3 (12) 3.0 μg/m3 (12) 35.0