ID: 86

AQSQID: 040131003

Site Name: Mesa - Brooks Reservoir

Added: April 21, 2020, 6:24 p.m.

Updated: July 7, 2020, 9:34 a.m.

Location: Mesa (Swest), AZ

Reporting: True, Located: True

Current AQI: 36.0

Mesa (Swest) AZ, US: 33.4105, -111.8651

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 7, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) 0.2 ppb (2) 32.0 μg/m3 (29) 8.7 μg/m3 (36) 36.0
 
July 7, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 0.1 ppb (1) 27.0 μg/m3 (25) 8.1 μg/m3 (34) 34.0
 
July 7, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.1 ppb (1) 25.0 μg/m3 (23) 5.5 μg/m3 (23) 23.0
 
July 7, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.1 ppb (1) 23.0 μg/m3 (21) 4.6 μg/m3 (19) 21.0
 
July 7, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.1 ppb (1) 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
July 7, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.1 ppb (1) 15.0 μg/m3 (14) 3.2 μg/m3 (13) 20.0
 
July 7, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.0 ppb (0) 13.0 μg/m3 (12) 2.6 μg/m3 (11) 25.0
 
July 7, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.0 ppb (0) 12.0 μg/m3 (11) 3.9 μg/m3 (16) 30.0
 
July 7, 2020, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.0 ppb (0) 13.0 μg/m3 (12) 3.9 μg/m3 (16) 33.0
 
July 6, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) 0.0 ppb (0) 15.0 μg/m3 (14) 5.0 μg/m3 (21) 37.0
 
July 6, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) 0.0 ppb (0) 39.0 μg/m3 (35) 5.3 μg/m3 (22) 42.0
 
July 6, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) 0.0 ppb (0) 143.0 μg/m3 (94) 15.8 μg/m3 (58) 94.0
 
July 6, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) 0.0 ppb (0) 10.0 μg/m3 (9) 4.2 μg/m3 (18) 45.0
 
July 6, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) 0.0 ppb (0) 14.0 μg/m3 (13) 5.9 μg/m3 (25) 45.0
 
July 6, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) 0.0 ppb (0) 20.0 μg/m3 (18) 6.2 μg/m3 (26) 44.0
 
July 6, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) 0.0 ppb (0) 30.0 μg/m3 (27) 7.6 μg/m3 (32) 42.0
 
July 6, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 0.1 ppb (1) 33.0 μg/m3 (30) 7.8 μg/m3 (32) 35.0
 
July 6, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.1 ppb (1) 31.0 μg/m3 (28) 6.6 μg/m3 (28) 28.0
 
July 6, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.1 ppb (1) 45.0 μg/m3 (41) 9.4 μg/m3 (39) 41.0
 
July 6, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) 0.2 ppb (2) 41.0 μg/m3 (37) 9.1 μg/m3 (38) 38.0
 
July 6, 2020, noon N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.2 ppb (2) 34.0 μg/m3 (31) 8.5 μg/m3 (35) 35.0
 
July 6, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) 0.1 ppb (1) 20.0 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
July 6, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.1 ppb (1) 17.0 μg/m3 (15) 6.2 μg/m3 (26) 26.0
 
July 6, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) 0.1 ppb (1) 17.0 μg/m3 (15) 6.8 μg/m3 (28) 28.0
 
July 6, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.1 ppb (1) 15.0 μg/m3 (14) 5.1 μg/m3 (21) 21.0
 
July 6, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.1 ppb (1) 11.0 μg/m3 (10) 3.7 μg/m3 (15) 18.0
 
July 6, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.0 ppb (0) 11.0 μg/m3 (10) 3.7 μg/m3 (15) 25.0
 
July 6, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.0 ppb (0) 13.0 μg/m3 (12) 4.1 μg/m3 (17) 24.0
 
July 6, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.1 ppb (1) 11.0 μg/m3 (10) 2.3 μg/m3 (10) 24.0
 
July 6, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.0 ppb (0) 13.0 μg/m3 (12) 4.9 μg/m3 (20) 27.0
 
July 6, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.0 ppb (0) 12.0 μg/m3 (11) 4.1 μg/m3 (17) 32.0
 
July 6, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) 0.0 ppb (0) 14.0 μg/m3 (13) 4.5 μg/m3 (19) 36.0
 
July 6, 2020, midnight N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.0 ppb (0) 13.0 μg/m3 (12) 5.0 μg/m3 (21) 38.0
 
July 5, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) 0.0 ppb (0) 11.0 μg/m3 (10) 3.2 μg/m3 (13) 37.0
 
July 5, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.0 ppb (0) 10.0 μg/m3 (9) 2.7 μg/m3 (11) 35.0
 
July 5, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.0 ppb (0) 14.0 μg/m3 (13) 6.1 μg/m3 (25) 35.0
 
July 5, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 0.0 ppb (0) 13.0 μg/m3 (12) 5.9 μg/m3 (25) 41.0
 
July 5, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) 0.0 ppb (0) 12.0 μg/m3 (11) 4.1 μg/m3 (17) 42.0
 
July 5, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 0.0 ppb (0) 15.0 μg/m3 (14) 5.2 μg/m3 (22) 39.0
 
July 5, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.0 ppb (0) 18.0 μg/m3 (16) 6.5 μg/m3 (27) 35.0
 
July 5, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.0 ppb (0) 18.0 μg/m3 (16) 5.4 μg/m3 (23) 31.0
 
July 5, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.0 ppb (0) 24.0 μg/m3 (22) 8.3 μg/m3 (35) 35.0
 
July 5, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.1 ppb (1) 44.0 μg/m3 (40) 22.1 μg/m3 (71) 71.0
 
July 5, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) 0.1 ppb (1) 68.0 μg/m3 (56) 50.4 μg/m3 (137) 137.0
 
July 5, 2020, noon N/A N/A N/A N/A N/A N/A 7.0 ppb (5) 0.2 ppb (2) 57.0 μg/m3 (51) 43.7 μg/m3 (120) 120.0
 
July 5, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) 0.1 ppb (1) 22.0 μg/m3 (20) 11.9 μg/m3 (50) 50.0
 
July 5, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) 0.1 ppb (1) 25.0 μg/m3 (23) 14.9 μg/m3 (56) 56.0
 
July 5, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) 0.2 ppb (2) 44.0 μg/m3 (40) 31.6 μg/m3 (92) 92.0
 
July 5, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) 0.2 ppb (2) 50.0 μg/m3 (45) 36.4 μg/m3 (102) 102.0
 
July 5, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 0.2 ppb (2) 76.0 μg/m3 (60) 61.0 μg/m3 (153) 153.0
 
July 5, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) 0.1 ppb (1) 75.0 μg/m3 (60) 60.3 μg/m3 (153) 153.0
 
July 5, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.1 ppb (1) 73.0 μg/m3 (59) 58.0 μg/m3 (151) 151.0
 
July 5, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.1 ppb (1) 38.0 μg/m3 (35) 25.6 μg/m3 (79) 79.0
 
July 5, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.1 ppb (1) 7.0 μg/m3 (6) 1.5 μg/m3 (6) 15.0
 
July 5, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.0 ppb (0) 10.0 μg/m3 (9) 3.9 μg/m3 (16) 21.0
 
July 5, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.0 ppb (0) 8.0 μg/m3 (7) 2.3 μg/m3 (10) 25.0
 
July 5, 2020, midnight N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.0 ppb (0) 10.0 μg/m3 (9) 2.4 μg/m3 (10) 28.0
 
July 4, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.0 ppb (0) 15.0 μg/m3 (14) 4.3 μg/m3 (18) 28.0
 
July 4, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.0 ppb (0) 15.0 μg/m3 (14) 3.8 μg/m3 (16) 28.0
 
July 4, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.0 ppb (0) 12.0 μg/m3 (11) 3.8 μg/m3 (16) 28.0
 
July 4, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.0 ppb (0) 9.0 μg/m3 (8) 2.1 μg/m3 (9) 28.0
 
July 4, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.0 ppb (0) 13.0 μg/m3 (12) 5.9 μg/m3 (25) 31.0
 
July 4, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.0 ppb (0) 16.0 μg/m3 (15) 7.4 μg/m3 (31) 32.0
 
July 4, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.1 ppb (1) 19.0 μg/m3 (17) 7.0 μg/m3 (29) 32.0
 
July 4, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.1 ppb (1) 22.0 μg/m3 (20) 9.2 μg/m3 (38) 38.0
 
July 4, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.1 ppb (1) 18.0 μg/m3 (16) 7.1 μg/m3 (30) 30.0
 
July 4, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.1 ppb (1) 15.0 μg/m3 (14) 5.3 μg/m3 (22) 22.0
 
July 4, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.1 ppb (1) 13.0 μg/m3 (12) 5.8 μg/m3 (24) 24.0
 
July 4, 2020, noon N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.1 ppb (1) 13.0 μg/m3 (12) 5.8 μg/m3 (24) 24.0
 
July 4, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.1 ppb (1) 14.0 μg/m3 (13) 5.9 μg/m3 (25) 25.0
 
July 4, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) 0.1 ppb (1) 21.0 μg/m3 (19) 7.7 μg/m3 (32) 32.0
 
July 4, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 0.1 ppb (1) 20.0 μg/m3 (18) 7.9 μg/m3 (33) 33.0
 
July 4, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.1 ppb (1) 23.0 μg/m3 (21) 9.8 μg/m3 (41) 41.0
 
July 4, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) 0.3 ppb (3) 24.0 μg/m3 (22) 10.9 μg/m3 (45) 45.0
 
July 4, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) 0.2 ppb (2) 19.0 μg/m3 (17) 10.9 μg/m3 (45) 45.0
 
July 4, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) 0.2 ppb (2) 14.0 μg/m3 (13) 7.9 μg/m3 (33) 33.0
 
July 4, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.1 ppb (1) 11.0 μg/m3 (10) 4.7 μg/m3 (20) 20.0
 
July 4, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.1 ppb (1) 10.0 μg/m3 (9) 3.9 μg/m3 (16) 20.0
 
July 4, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.0 ppb (0) 13.0 μg/m3 (12) 4.2 μg/m3 (18) 24.0
 
July 4, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.0 ppb (0) 17.0 μg/m3 (15) 7.4 μg/m3 (31) 31.0
 
July 4, 2020, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.0 ppb (0) 20.0 μg/m3 (18) 9.5 μg/m3 (40) 40.0
 
July 3, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.0 ppb (0) 15.0 μg/m3 (14) 6.0 μg/m3 (25) 35.0
 
July 3, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.0 ppb (0) 13.0 μg/m3 (12) 6.0 μg/m3 (25) 31.0
 
July 3, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.0 ppb (0) 15.0 μg/m3 (14) 7.9 μg/m3 (33) 33.0
 
July 3, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.1 ppb (1) 18.0 μg/m3 (16) 10.2 μg/m3 (42) 42.0
 
July 3, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.1 ppb (1) 16.0 μg/m3 (15) 7.6 μg/m3 (32) 34.0
 
July 3, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.1 ppb (1) 15.0 μg/m3 (14) 7.5 μg/m3 (31) 32.0
 
July 3, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.1 ppb (1) 18.0 μg/m3 (16) 8.5 μg/m3 (35) 35.0
 
July 3, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.1 ppb (1) 20.0 μg/m3 (18) 8.0 μg/m3 (33) 33.0
 
July 3, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.1 ppb (1) 17.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
July 3, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.1 ppb (1) 21.0 μg/m3 (19) 5.9 μg/m3 (25) 25.0
 
July 3, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.1 ppb (1) 14.0 μg/m3 (13) 4.2 μg/m3 (18) 18.0
 
July 3, 2020, noon N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.1 ppb (1) 11.0 μg/m3 (10) 3.5 μg/m3 (15) 15.0
 
July 3, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.1 ppb (1) 12.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
July 3, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.1 ppb (1) 11.0 μg/m3 (10) 4.5 μg/m3 (19) 19.0
 
July 3, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.1 ppb (1) 13.0 μg/m3 (12) 5.3 μg/m3 (22) 22.0
 
July 3, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.1 ppb (1) 15.0 μg/m3 (14) 4.4 μg/m3 (18) 18.0
 
July 3, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.1 ppb (1) 22.0 μg/m3 (20) 6.4 μg/m3 (27) 27.0
 
July 3, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.1 ppb (1) 34.0 μg/m3 (31) 9.2 μg/m3 (38) 38.0
 
July 3, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.1 ppb (1) 47.0 μg/m3 (43) 10.8 μg/m3 (45) 45.0
 
July 3, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.1 ppb (1) 37.0 μg/m3 (34) 10.8 μg/m3 (45) 45.0
 
July 3, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.1 ppb (1) 23.0 μg/m3 (21) 10.3 μg/m3 (43) 43.0
 
July 3, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.1 ppb (1) 20.0 μg/m3 (18) 10.3 μg/m3 (43) 43.0
 
July 3, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.1 ppb (1) 18.0 μg/m3 (16) 9.2 μg/m3 (38) 38.0
 
July 3, 2020, midnight N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.1 ppb (1) 19.0 μg/m3 (17) 8.6 μg/m3 (36) 36.0
 
July 2, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.0 ppb (0) 20.0 μg/m3 (18) 8.4 μg/m3 (35) 35.0
 
July 2, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.0 ppb (0) 22.0 μg/m3 (20) 9.6 μg/m3 (40) 40.0
 
July 2, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.0 ppb (0) 19.0 μg/m3 (17) 8.4 μg/m3 (35) 35.0
 
July 2, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.0 ppb (0) 18.0 μg/m3 (16) 7.0 μg/m3 (29) 29.0
 
July 2, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.0 ppb (0) 17.0 μg/m3 (15) 6.3 μg/m3 (26) 26.0
 
July 2, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.0 ppb (0) 17.0 μg/m3 (15) 7.2 μg/m3 (30) 30.0
 
July 2, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.0 ppb (0) 20.0 μg/m3 (18) 4.8 μg/m3 (20) 29.0
 
July 2, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.1 ppb (1) 25.0 μg/m3 (23) 5.3 μg/m3 (22) 24.0
 
July 2, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.1 ppb (1) 27.0 μg/m3 (25) 5.1 μg/m3 (21) 25.0
 
July 2, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.1 ppb (1) 30.0 μg/m3 (27) 6.0 μg/m3 (25) 27.0
 
July 2, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 0.2 ppb (2) 30.0 μg/m3 (27) 7.7 μg/m3 (32) 32.0
 
July 2, 2020, noon N/A N/A N/A N/A N/A N/A 4.0 ppb (3) 0.2 ppb (2) 22.0 μg/m3 (20) 5.3 μg/m3 (22) 22.0
 
July 2, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) 0.2 ppb (2) 15.0 μg/m3 (14) 4.7 μg/m3 (20) 20.0
 
July 2, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) 0.1 ppb (1) 12.0 μg/m3 (11) 3.1 μg/m3 (13) 13.0
 
July 2, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.1 ppb (1) 13.0 μg/m3 (12) 3.9 μg/m3 (16) 16.0
 
July 2, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.1 ppb (1) 11.0 μg/m3 (10) 4.3 μg/m3 (18) 18.0
 
July 2, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.1 ppb (1) 10.0 μg/m3 (9) 4.4 μg/m3 (18) 18.0
 
July 2, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.1 ppb (1) 11.0 μg/m3 (10) 4.8 μg/m3 (20) 20.0
 
July 2, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.0 ppb (0) 12.0 μg/m3 (11) 5.3 μg/m3 (22) 22.0
 
July 2, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.0 ppb (0) 11.0 μg/m3 (10) 3.8 μg/m3 (16) 22.0
 
July 2, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.0 ppb (0) 10.0 μg/m3 (9) 3.9 μg/m3 (16) 25.0
 
July 2, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.0 ppb (0) 8.0 μg/m3 (7) 3.3 μg/m3 (14) 27.0
 
July 2, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.0 ppb (0) 8.0 μg/m3 (7) 2.8 μg/m3 (12) 29.0
 
July 2, 2020, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.0 ppb (0) 11.0 μg/m3 (10) 3.6 μg/m3 (15) 30.0
 
July 1, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.0 ppb (0) 17.0 μg/m3 (15) 5.2 μg/m3 (22) 30.0
 
July 1, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.0 ppb (0) 17.0 μg/m3 (15) 4.9 μg/m3 (20) 31.0
 
July 1, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.0 ppb (0) 15.0 μg/m3 (14) 5.3 μg/m3 (22) 30.0
 
July 1, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.0 ppb (0) 17.0 μg/m3 (15) 7.6 μg/m3 (32) 32.0
 
July 1, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.0 ppb (0) 14.0 μg/m3 (13) 4.9 μg/m3 (20) 28.0
 
July 1, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.0 ppb (0) 16.0 μg/m3 (15) 6.8 μg/m3 (28) 28.0
 
July 1, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.0 ppb (0) 16.0 μg/m3 (15) 4.9 μg/m3 (20) 29.0
 
July 1, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.0 ppb (0) 25.0 μg/m3 (23) 6.4 μg/m3 (27) 27.0
 
July 1, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.1 ppb (1) 39.0 μg/m3 (35) 6.1 μg/m3 (25) 35.0
 
July 1, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.2 ppb (2) 31.0 μg/m3 (28) 4.9 μg/m3 (20) 28.0
 
July 1, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.2 ppb (2) 30.0 μg/m3 (27) 6.1 μg/m3 (25) 27.0
 
July 1, 2020, noon N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.1 ppb (1) 24.0 μg/m3 (22) 5.4 μg/m3 (23) 23.0
 
July 1, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.1 ppb (1) 19.0 μg/m3 (17) 3.9 μg/m3 (16) 17.0
 
July 1, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.0 ppb (0) 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
July 1, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.1 ppb (1) 16.0 μg/m3 (15) 4.5 μg/m3 (19) 19.0
 
July 1, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.1 ppb (1) 26.0 μg/m3 (24) 4.2 μg/m3 (18) 24.0
 
July 1, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.1 ppb (1) 25.0 μg/m3 (23) 5.4 μg/m3 (23) 23.0
 
July 1, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.1 ppb (1) 18.0 μg/m3 (16) 4.4 μg/m3 (18) 22.0
 
July 1, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.1 ppb (1) 14.0 μg/m3 (13) 3.3 μg/m3 (14) 23.0
 
July 1, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.1 ppb (1) 14.0 μg/m3 (13) 3.4 μg/m3 (14) 25.0
 
July 1, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.1 ppb (1) 12.0 μg/m3 (11) 2.9 μg/m3 (12) 27.0
 
July 1, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.0 ppb (0) 11.0 μg/m3 (10) 2.5 μg/m3 (10) 30.0
 
July 1, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.0 ppb (0) 10.0 μg/m3 (9) 3.4 μg/m3 (14) 29.0
 
July 1, 2020, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.0 ppb (0) 9.0 μg/m3 (8) 2.6 μg/m3 (11) 30.0
 
June 30, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.0 ppb (0) 12.0 μg/m3 (11) 3.5 μg/m3 (15) 31.0
 
June 30, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.0 ppb (0) 17.0 μg/m3 (15) 5.3 μg/m3 (22) 31.0
 
June 30, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.0 ppb (0) 15.0 μg/m3 (14) 4.3 μg/m3 (18) 29.0
 
June 30, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.1 ppb (1) 15.0 μg/m3 (14) 5.7 μg/m3 (24) 27.0
 
June 30, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.0 ppb (0) 17.0 μg/m3 (15) 6.6 μg/m3 (28) 28.0
 
June 30, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.1 ppb (1) 16.0 μg/m3 (15) 5.2 μg/m3 (22) 25.0
 
June 30, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 14.0 μg/m3 (13) 3.4 μg/m3 (14) 28.0
 
June 30, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.0 ppb (0) 18.0 μg/m3 (16) 3.4 μg/m3 (14) 29.0
 
June 30, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.1 ppb (1) 23.0 μg/m3 (21) 5.2 μg/m3 (22) 24.0
 
June 30, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.1 ppb (1) 28.0 μg/m3 (25) 5.2 μg/m3 (22) 25.0
 
June 30, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.1 ppb (1) 28.0 μg/m3 (25) 7.2 μg/m3 (30) 30.0
 
June 30, 2020, noon N/A N/A N/A N/A N/A N/A 13.0 ppb (10) 0.1 ppb (1) 21.0 μg/m3 (19) 4.2 μg/m3 (18) 19.0
 
June 30, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.1 ppb (1) 20.0 μg/m3 (18) 5.0 μg/m3 (21) 21.0
 
June 30, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.1 ppb (1) 17.0 μg/m3 (15) 4.6 μg/m3 (19) 19.0
 
June 30, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.0 ppb (0) 19.0 μg/m3 (17) 4.6 μg/m3 (19) 19.0