AQSQID: 040134003

Site Name: South Phoenix

Location: Phoenix (S Mtain), AZ

Reporting: True, Located: True

Current AQI: 35.0

Phoenix (S Mtain) AZ, US: 33.4033, -112.0731

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 5, 2020, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.3 ppb (3) 10.0 μg/m3 (9) 2.7 μg/m3 (11) 35.0
 
April 4, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.3 ppb (3) 12.0 μg/m3 (11) 4.7 μg/m3 (20) 38.0
 
April 4, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.3 ppb (3) 11.0 μg/m3 (10) 2.3 μg/m3 (10) 38.0
 
April 4, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.3 ppb (3) 11.0 μg/m3 (10) 2.1 μg/m3 (9) 38.0
 
April 4, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.3 ppb (3) 14.0 μg/m3 (13) 4.8 μg/m3 (20) 38.0
 
April 4, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 0.3 ppb (3) 11.0 μg/m3 (10) 2.8 μg/m3 (12) 41.0
 
April 4, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.3 ppb (3) 12.0 μg/m3 (11) 2.8 μg/m3 (12) 35.0
 
April 4, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.3 ppb (3) 18.0 μg/m3 (16) 6.6 μg/m3 (28) 28.0
 
April 4, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.3 ppb (3) 25.0 μg/m3 (23) 8.6 μg/m3 (36) 36.0
 
April 4, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.4 ppb (4) 31.0 μg/m3 (28) 11.1 μg/m3 (46) 46.0
 
April 4, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) 0.4 ppb (4) 23.0 μg/m3 (21) 8.7 μg/m3 (36) 36.0
 
April 4, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) 0.3 ppb (3) 20.0 μg/m3 (18) 7.1 μg/m3 (30) 30.0
 
April 4, 2020, noon N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.3 ppb (3) 20.0 μg/m3 (18) 7.8 μg/m3 (32) 32.0
 
April 4, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) 0.4 ppb (4) 20.0 μg/m3 (18) 7.8 μg/m3 (32) 32.0
 
April 4, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) 0.4 ppb (4) 20.0 μg/m3 (18) 9.5 μg/m3 (40) 40.0
 
April 4, 2020, 9 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) 8.9 μg/m3 (37) 37.0
 
April 4, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.4 ppb (4) 20.0 μg/m3 (18) 8.3 μg/m3 (35) 35.0
 
April 4, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.4 ppb (4) 17.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
April 4, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.3 ppb (3) 20.0 μg/m3 (18) 6.3 μg/m3 (26) 26.0
 
April 4, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.3 ppb (3) 26.0 μg/m3 (24) 7.3 μg/m3 (30) 30.0
 
April 4, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.4 ppb (4) 29.0 μg/m3 (26) 6.3 μg/m3 (26) 26.0
 
April 4, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.4 ppb (4) 22.0 μg/m3 (20) 5.9 μg/m3 (25) 25.0
 
April 4, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.3 ppb (3) 17.0 μg/m3 (15) 3.6 μg/m3 (15) 28.0
 
April 4, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.3 ppb (3) 12.0 μg/m3 (11) 2.7 μg/m3 (11) 32.0
 
April 4, 2020, midnight N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.3 ppb (3) 10.0 μg/m3 (9) 3.4 μg/m3 (14) 34.0
 
April 3, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.3 ppb (3) 11.0 μg/m3 (10) 3.6 μg/m3 (15) 35.0
 
April 3, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) 0.3 ppb (3) 11.0 μg/m3 (10) 4.2 μg/m3 (18) 37.0
 
April 3, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) 0.3 ppb (3) 9.0 μg/m3 (8) 2.5 μg/m3 (10) 36.0
 
April 3, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.3 ppb (3) 10.0 μg/m3 (9) 3.2 μg/m3 (13) 35.0
 
April 3, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) 0.3 ppb (3) 12.0 μg/m3 (11) 3.3 μg/m3 (14) 37.0
 
April 3, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.3 ppb (3) 14.0 μg/m3 (13) 4.5 μg/m3 (19) 32.0
 
April 3, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.3 ppb (3) 16.0 μg/m3 (15) 3.6 μg/m3 (15) 28.0
 
April 3, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.3 ppb (3) 22.0 μg/m3 (20) 6.4 μg/m3 (27) 27.0
 
April 3, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.4 ppb (4) 31.0 μg/m3 (28) 9.9 μg/m3 (41) 41.0
 
April 3, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) 0.5 ppb (6) 32.0 μg/m3 (29) 7.4 μg/m3 (31) 31.0
 
April 3, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.6 ppb (7) 25.0 μg/m3 (23) 6.9 μg/m3 (29) 29.0
 
April 3, 2020, noon N/A N/A N/A N/A N/A N/A 4.0 ppb (3) 0.5 ppb (6) 19.0 μg/m3 (17) 8.1 μg/m3 (34) 34.0
 
April 3, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 0.4 ppb (4) 19.0 μg/m3 (17) 9.6 μg/m3 (40) 40.0
 
April 3, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) 0.4 ppb (4) 17.0 μg/m3 (15) 8.5 μg/m3 (35) 35.0
 
April 3, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.4 ppb (4) 16.0 μg/m3 (15) 7.8 μg/m3 (32) 32.0
 
April 3, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.4 ppb (4) 15.0 μg/m3 (14) 6.9 μg/m3 (29) 29.0
 
April 3, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.4 ppb (4) 12.0 μg/m3 (11) 4.1 μg/m3 (17) 17.0
 
April 3, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.3 ppb (3) 15.0 μg/m3 (14) 3.4 μg/m3 (14) 23.0
 
April 3, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.4 ppb (4) 18.0 μg/m3 (16) 4.1 μg/m3 (17) 20.0
 
April 3, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.4 ppb (4) 26.0 μg/m3 (24) 5.8 μg/m3 (24) 24.0
 
April 3, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.5 ppb (6) 32.0 μg/m3 (29) 7.2 μg/m3 (30) 30.0
 
April 3, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.4 ppb (4) 23.0 μg/m3 (21) 4.4 μg/m3 (18) 25.0
 
April 3, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.3 ppb (3) 14.0 μg/m3 (13) 1.6 μg/m3 (7) 33.0
 
April 3, 2020, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.2 ppb (2) 17.0 μg/m3 (15) 1.9 μg/m3 (8) 35.0
 
April 2, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.2 ppb (2) 15.0 μg/m3 (14) 2.0 μg/m3 (8) 35.0
 
April 2, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 0.3 ppb (3) 16.0 μg/m3 (15) 3.4 μg/m3 (14) 35.0
 
April 2, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 0.3 ppb (3) 10.0 μg/m3 (9) 0.7 μg/m3 (3) 35.0
 
April 2, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.3 ppb (3) 12.0 μg/m3 (11) 1.6 μg/m3 (7) 35.0
 
April 2, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 0.3 ppb (3) 16.0 μg/m3 (15) 3.3 μg/m3 (14) 35.0
 
April 2, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.3 ppb (3) 19.0 μg/m3 (17) 4.4 μg/m3 (18) 31.0
 
April 2, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.3 ppb (3) 21.0 μg/m3 (19) 4.9 μg/m3 (20) 25.0
 
April 2, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.4 ppb (4) 27.0 μg/m3 (25) 8.2 μg/m3 (34) 34.0
 
April 2, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.5 ppb (6) 40.0 μg/m3 (36) 11.1 μg/m3 (46) 46.0
 
April 2, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) 0.6 ppb (7) 64.0 μg/m3 (54) 11.7 μg/m3 (49) 54.0
 
April 2, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.7 ppb (8) 52.0 μg/m3 (47) 12.1 μg/m3 (50) 50.0
 
April 2, 2020, noon N/A N/A N/A N/A N/A N/A 4.0 ppb (3) 0.6 ppb (7) 26.0 μg/m3 (24) 7.8 μg/m3 (32) 32.0
 
April 2, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) 0.4 ppb (4) 27.0 μg/m3 (25) 11.5 μg/m3 (48) 48.0
 
April 2, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) 0.4 ppb (4) 22.0 μg/m3 (20) 8.8 μg/m3 (37) 37.0
 
April 2, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) 0.4 ppb (4) 20.0 μg/m3 (18) 7.5 μg/m3 (31) 31.0
 
April 2, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.4 ppb (4) 24.0 μg/m3 (22) 7.7 μg/m3 (32) 32.0
 
April 2, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.4 ppb (4) 19.0 μg/m3 (17) 8.9 μg/m3 (37) 37.0
 
April 2, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.4 ppb (4) 15.0 μg/m3 (14) 4.0 μg/m3 (17) 18.0
 
April 2, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.4 ppb (4) 25.0 μg/m3 (23) 8.3 μg/m3 (35) 35.0
 
April 2, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.6 ppb (7) 26.0 μg/m3 (24) 7.0 μg/m3 (29) 29.0
 
April 2, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.6 ppb (7) 35.0 μg/m3 (32) 6.8 μg/m3 (28) 32.0
 
April 2, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.4 ppb (4) 27.0 μg/m3 (25) 6.2 μg/m3 (26) 26.0
 
April 2, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.3 ppb (3) 10.0 μg/m3 (9) 1.9 μg/m3 (8) 33.0
 
April 2, 2020, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.3 ppb (3) 10.0 μg/m3 (9) 3.3 μg/m3 (14) 35.0
 
April 1, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) 0.3 ppb (3) 10.0 μg/m3 (9) 3.0 μg/m3 (12) 37.0
 
April 1, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 0.3 ppb (3) 13.0 μg/m3 (12) 3.6 μg/m3 (15) 39.0
 
April 1, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 0.3 ppb (3) 13.0 μg/m3 (12) 3.8 μg/m3 (16) 39.0
 
April 1, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.3 ppb (3) 22.0 μg/m3 (20) 7.6 μg/m3 (32) 38.0
 
April 1, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 0.4 ppb (4) 28.0 μg/m3 (25) 9.3 μg/m3 (39) 39.0
 
April 1, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.4 ppb (4) 46.0 μg/m3 (42) 13.6 μg/m3 (53) 53.0
 
April 1, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.6 ppb (7) 47.0 μg/m3 (43) 14.1 μg/m3 (54) 54.0
 
April 1, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.9 ppb (10) N/A N/A 12.0
 
April 1, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) 0.6 ppb (7) N/A N/A 9.0
 
April 1, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 0.8 ppb (9) 50.0 μg/m3 (45) 13.3 μg/m3 (53) 53.0
 
April 1, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 11.3 μg/m3 (47) 47.0
 
April 1, 2020, noon N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.6 ppb (7) 31.0 μg/m3 (28) 14.8 μg/m3 (56) 56.0
 
April 1, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 0.5 ppb (6) 24.0 μg/m3 (22) 11.0 μg/m3 (46) 46.0
 
April 1, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.4 ppb (4) 18.0 μg/m3 (16) 7.7 μg/m3 (32) 32.0
 
April 1, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.4 ppb (4) 17.0 μg/m3 (15) 6.6 μg/m3 (28) 28.0
 
April 1, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.4 ppb (4) 19.0 μg/m3 (17) 7.7 μg/m3 (32) 32.0
 
April 1, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.4 ppb (4) 14.0 μg/m3 (13) 4.3 μg/m3 (18) 21.0
 
April 1, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.4 ppb (4) 19.0 μg/m3 (17) 6.5 μg/m3 (27) 27.0
 
April 1, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.4 ppb (4) 21.0 μg/m3 (19) 7.2 μg/m3 (30) 30.0
 
April 1, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.3 ppb (3) 28.0 μg/m3 (25) 8.1 μg/m3 (34) 34.0
 
April 1, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.5 ppb (6) 48.0 μg/m3 (44) 11.1 μg/m3 (46) 46.0
 
April 1, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.6 ppb (7) 45.0 μg/m3 (41) 10.5 μg/m3 (44) 44.0
 
April 1, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.5 ppb (6) 29.0 μg/m3 (26) 4.3 μg/m3 (18) 28.0
 
April 1, 2020, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 0.4 ppb (4) 25.0 μg/m3 (23) 5.4 μg/m3 (23) 35.0
 
March 31, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) 0.4 ppb (4) 30.0 μg/m3 (27) 7.4 μg/m3 (31) 36.0
 
March 31, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) 0.4 ppb (4) 28.0 μg/m3 (25) 7.1 μg/m3 (30) 36.0
 
March 31, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 0.3 ppb (3) 22.0 μg/m3 (20) 5.9 μg/m3 (25) 39.0
 
March 31, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) 0.3 ppb (3) 12.0 μg/m3 (11) 3.9 μg/m3 (16) 42.0
 
March 31, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 0.3 ppb (3) 12.0 μg/m3 (11) 2.8 μg/m3 (12) 38.0
 
March 31, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 0.3 ppb (3) 15.0 μg/m3 (14) 4.5 μg/m3 (19) 35.0
 
March 31, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.3 ppb (3) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 31.0
 
March 31, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.4 ppb (4) 18.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
March 31, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.4 ppb (4) 20.0 μg/m3 (18) 6.5 μg/m3 (27) 27.0
 
March 31, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.4 ppb (4) 26.0 μg/m3 (24) 6.2 μg/m3 (26) 26.0
 
March 31, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) 0.6 ppb (7) 32.0 μg/m3 (29) 6.3 μg/m3 (26) 29.0
 
March 31, 2020, noon N/A N/A N/A N/A N/A N/A 9.0 ppb (7) 0.6 ppb (7) 12.0 μg/m3 (11) 3.4 μg/m3 (14) 14.0
 
March 31, 2020, 11 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) 4.9 μg/m3 (20) 20.0
 
March 31, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.4 ppb (4) 15.0 μg/m3 (14) 7.2 μg/m3 (30) 30.0
 
March 31, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) 0.4 ppb (4) 16.0 μg/m3 (15) 7.6 μg/m3 (32) 32.0
 
March 31, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) 0.5 ppb (6) 31.0 μg/m3 (28) 14.5 μg/m3 (55) 55.0
 
March 31, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) 0.6 ppb (7) 70.0 μg/m3 (58) 46.3 μg/m3 (127) 127.0
 
March 31, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) 0.8 ppb (9) 37.0 μg/m3 (34) 17.3 μg/m3 (61) 61.0
 
March 31, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 0.6 ppb (7) 28.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
March 31, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.6 ppb (7) 42.0 μg/m3 (38) 12.3 μg/m3 (51) 51.0
 
March 31, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.7 ppb (8) 39.0 μg/m3 (35) 10.0 μg/m3 (42) 42.0
 
March 31, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.5 ppb (6) 20.0 μg/m3 (18) 3.6 μg/m3 (15) 26.0
 
March 31, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.3 ppb (3) 13.0 μg/m3 (12) 3.1 μg/m3 (13) 38.0
 
March 31, 2020, midnight N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 0.3 ppb (3) 12.0 μg/m3 (11) 2.9 μg/m3 (12) 41.0
 
March 30, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) 0.3 ppb (3) 13.0 μg/m3 (12) 3.2 μg/m3 (13) 42.0
 
March 30, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) 0.3 ppb (3) 11.0 μg/m3 (10) 1.1 μg/m3 (5) 42.0
 
March 30, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) 0.2 ppb (2) 13.0 μg/m3 (12) 4.8 μg/m3 (20) 42.0
 
March 30, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) 0.2 ppb (2) 12.0 μg/m3 (11) 4.4 μg/m3 (18) 42.0
 
March 30, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) 0.3 ppb (3) 19.0 μg/m3 (17) 4.7 μg/m3 (20) 40.0
 
March 30, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) 0.3 ppb (3) 30.0 μg/m3 (27) 6.8 μg/m3 (28) 36.0
 
March 30, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.3 ppb (3) 32.0 μg/m3 (29) 7.6 μg/m3 (32) 32.0
 
March 30, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.4 ppb (4) 20.0 μg/m3 (18) 6.3 μg/m3 (26) 26.0
 
March 30, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.4 ppb (4) 32.0 μg/m3 (29) 8.1 μg/m3 (34) 34.0
 
March 30, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) 0.7 ppb (8) 41.0 μg/m3 (37) 7.0 μg/m3 (29) 37.0
 
March 30, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.0 ppb (11) 33.0 μg/m3 (30) 7.1 μg/m3 (30) 30.0
 
March 30, 2020, noon N/A N/A N/A N/A N/A N/A 5.0 ppb (4) 0.6 ppb (7) 18.0 μg/m3 (16) 3.6 μg/m3 (15) 16.0
 
March 30, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.5 ppb (6) 12.0 μg/m3 (11) 2.0 μg/m3 (8) 12.0
 
March 30, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.3 ppb (3) 9.0 μg/m3 (8) 2.6 μg/m3 (11) 17.0
 
March 30, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.3 ppb (3) 6.0 μg/m3 (5) 1.4 μg/m3 (6) 25.0
 
March 30, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.3 ppb (3) 7.0 μg/m3 (6) 2.4 μg/m3 (10) 28.0
 
March 30, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.3 ppb (3) 11.0 μg/m3 (10) 3.7 μg/m3 (15) 31.0
 
March 30, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.4 ppb (4) 23.0 μg/m3 (21) 11.3 μg/m3 (47) 47.0
 
March 30, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.5 ppb (6) 27.0 μg/m3 (25) 5.2 μg/m3 (22) 25.0
 
March 30, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.4 ppb (4) 20.0 μg/m3 (18) 3.4 μg/m3 (14) 22.0
 
March 30, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.3 ppb (3) 23.0 μg/m3 (21) 4.9 μg/m3 (20) 32.0
 
March 30, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.3 ppb (3) 19.0 μg/m3 (17) 5.4 μg/m3 (23) 34.0
 
March 30, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 0.3 ppb (3) 13.0 μg/m3 (12) 3.1 μg/m3 (13) 39.0
 
March 30, 2020, midnight N/A N/A N/A N/A N/A N/A 52.0 ppb (40) 0.3 ppb (3) 12.0 μg/m3 (11) 2.7 μg/m3 (11) 40.0
 
March 29, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) 0.3 ppb (3) 10.0 μg/m3 (9) 2.8 μg/m3 (12) 42.0
 
March 29, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) 0.3 ppb (3) 12.0 μg/m3 (11) 4.2 μg/m3 (18) 44.0
 
March 29, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) 0.3 ppb (3) 8.0 μg/m3 (7) 2.2 μg/m3 (9) 45.0
 
March 29, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) 0.3 ppb (3) 8.0 μg/m3 (7) 2.6 μg/m3 (11) 44.0
 
March 29, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) 0.3 ppb (3) 11.0 μg/m3 (10) 6.1 μg/m3 (25) 43.0
 
March 29, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) 0.3 ppb (3) 11.0 μg/m3 (10) 6.2 μg/m3 (26) 42.0
 
March 29, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.3 ppb (3) 9.0 μg/m3 (8) 3.5 μg/m3 (15) 38.0
 
March 29, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.3 ppb (3) 8.0 μg/m3 (7) 3.3 μg/m3 (14) 32.0
 
March 29, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.3 ppb (3) 10.0 μg/m3 (9) 3.9 μg/m3 (16) 27.0
 
March 29, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.3 ppb (3) 10.0 μg/m3 (9) 2.3 μg/m3 (10) 21.0
 
March 29, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.4 ppb (4) 13.0 μg/m3 (12) 5.4 μg/m3 (23) 23.0
 
March 29, 2020, noon N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.4 ppb (4) 18.0 μg/m3 (16) 9.6 μg/m3 (40) 40.0
 
March 29, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.4 ppb (4) 16.0 μg/m3 (15) 7.2 μg/m3 (30) 30.0
 
March 29, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.3 ppb (3) 16.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
March 29, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.4 ppb (4) 25.0 μg/m3 (23) 13.7 μg/m3 (54) 54.0
 
March 29, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) 0.6 ppb (7) 36.0 μg/m3 (33) 21.9 μg/m3 (71) 71.0
 
March 29, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) 0.8 ppb (9) 48.0 μg/m3 (44) 25.6 μg/m3 (79) 79.0
 
March 29, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) 0.7 ppb (8) 55.0 μg/m3 (50) 29.3 μg/m3 (87) 87.0
 
March 29, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.8 ppb (9) 50.0 μg/m3 (45) 27.4 μg/m3 (83) 83.0
 
March 29, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.7 ppb (8) 43.0 μg/m3 (39) 13.6 μg/m3 (53) 53.0
 
March 29, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.7 ppb (8) 26.0 μg/m3 (24) 8.5 μg/m3 (35) 35.0
 
March 29, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.4 ppb (4) 21.0 μg/m3 (19) 7.2 μg/m3 (30) 31.0
 
March 29, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 0.3 ppb (3) 10.0 μg/m3 (9) 4.1 μg/m3 (17) 38.0