AQSQID: 040134005

Site Name: Tempe

Location: Tempe, AZ

Reporting: True, Located: True

Current AQI: 20.0

Tempe AZ, US: 33.4124, -111.9347

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Nov. 21, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 2.0 μg/m3 (2) 0.8 μg/m3 (3) 20.0
 
Nov. 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 1.0 μg/m3 (1) 0.7 μg/m3 (3) 18.0
 
Nov. 21, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 2.0 μg/m3 (2) 1.5 μg/m3 (6) 15.0
 
Nov. 21, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 0.0 μg/m3 (0) -0.3 μg/m3 (0) 12.0
 
Nov. 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 1.0 μg/m3 (1) 0.3 μg/m3 (1) 13.0
 
Nov. 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 3.0 μg/m3 (3) 1.2 μg/m3 (5) 18.0
 
Nov. 21, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 5.0 μg/m3 (5) 2.8 μg/m3 (12) 19.0
 
Nov. 21, 2019, midnight N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 3.0 μg/m3 (3) 1.2 μg/m3 (5) 20.0
 
Nov. 20, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 3.0 μg/m3 (3) 0.1 μg/m3 (0) 20.0
 
Nov. 20, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 1.0 μg/m3 (1) -1.6 μg/m3 (0) 20.0
 
Nov. 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 2.0 μg/m3 (2) -0.9 μg/m3 (0) 21.0
 
Nov. 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 1.0 μg/m3 (1) -0.8 μg/m3 (0) 20.0
 
Nov. 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 4.0 μg/m3 (4) 0.2 μg/m3 (1) 19.0
 
Nov. 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 2.0 μg/m3 (2) 0.3 μg/m3 (1) 18.0
 
Nov. 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 4.0 μg/m3 (4) 3.3 μg/m3 (14) 16.0
 
Nov. 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 1.0 μg/m3 (1) 0.9 μg/m3 (4) 15.0
 
Nov. 20, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 4.0 μg/m3 (4) 3.4 μg/m3 (14) 14.0
 
Nov. 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 4.0 μg/m3 (4) 2.4 μg/m3 (10) 14.0
 
Nov. 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 0.0 μg/m3 (0) -0.2 μg/m3 (0) 15.0
 
Nov. 20, 2019, noon N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 1.0 μg/m3 (1) 0.5 μg/m3 (2) 13.0
 
Nov. 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 3.0 μg/m3 (3) 2.3 μg/m3 (10) 15.0
 
Nov. 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 8.0 μg/m3 (7) 7.7 μg/m3 (32) 32.0
 
Nov. 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 4.0 μg/m3 (4) 2.8 μg/m3 (12) 12.0
 
Nov. 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 3.0 μg/m3 (3) 1.8 μg/m3 (8) 8.0
 
Nov. 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 5.0 μg/m3 (5) 3.7 μg/m3 (15) 15.0
 
Nov. 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 3.0 μg/m3 (3) 1.4 μg/m3 (6) 12.0
 
Nov. 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 7.0 μg/m3 (6) 1.9 μg/m3 (8) 15.0
 
Nov. 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 14.0 μg/m3 (13) 5.1 μg/m3 (21) 21.0
 
Nov. 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 23.0 μg/m3 (21) 9.8 μg/m3 (41) 41.0
 
Nov. 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 26.0 μg/m3 (24) 10.2 μg/m3 (42) 42.0
 
Nov. 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 29.0 μg/m3 (26) 8.6 μg/m3 (36) 36.0
 
Nov. 20, 2019, midnight N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 21.0 μg/m3 (19) 0.9 μg/m3 (4) 19.0
 
Nov. 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 25.0 μg/m3 (23) 5.0 μg/m3 (21) 23.0
 
Nov. 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 46.0 μg/m3 (42) 14.3 μg/m3 (55) 55.0
 
Nov. 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 92.0 μg/m3 (68) 8.0 μg/m3 (33) 68.0
 
Nov. 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 112.0 μg/m3 (78) 10.8 μg/m3 (45) 78.0
 
Nov. 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 26.0 μg/m3 (24) 6.6 μg/m3 (28) 28.0
 
Nov. 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 24.0 μg/m3 (22) 4.6 μg/m3 (19) 22.0
 
Nov. 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 23.0 μg/m3 (21) 5.0 μg/m3 (21) 21.0
 
Nov. 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 38.0 μg/m3 (35) 7.6 μg/m3 (32) 35.0
 
Nov. 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 35.0 μg/m3 (32) 7.6 μg/m3 (32) 32.0
 
Nov. 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 22.0 μg/m3 (20) 5.0 μg/m3 (21) 21.0
 
Nov. 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 20.0 μg/m3 (18) 5.4 μg/m3 (23) 23.0
 
Nov. 19, 2019, noon N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 20.0 μg/m3 (18) 7.0 μg/m3 (29) 29.0
 
Nov. 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 23.0 μg/m3 (21) 9.8 μg/m3 (41) 41.0
 
Nov. 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 27.0 μg/m3 (25) 11.2 μg/m3 (47) 47.0
 
Nov. 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 30.0 μg/m3 (27) 8.9 μg/m3 (37) 37.0
 
Nov. 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 56.0 μg/m3 (50) 12.1 μg/m3 (50) 50.0
 
Nov. 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 60.0 μg/m3 (52) 15.5 μg/m3 (57) 57.0
 
Nov. 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 36.0 μg/m3 (33) 9.4 μg/m3 (39) 39.0
 
Nov. 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 36.0 μg/m3 (33) 10.5 μg/m3 (44) 44.0
 
Nov. 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 45.0 μg/m3 (41) 15.2 μg/m3 (57) 57.0
 
Nov. 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 42.0 μg/m3 (38) 15.7 μg/m3 (58) 58.0
 
Nov. 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 59.0 μg/m3 (52) 17.3 μg/m3 (61) 61.0
 
Nov. 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 67.0 μg/m3 (56) 11.0 μg/m3 (46) 56.0
 
Nov. 19, 2019, midnight N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 38.0 μg/m3 (35) 8.3 μg/m3 (35) 35.0
 
Nov. 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 22.0 μg/m3 (20) 5.9 μg/m3 (25) 25.0
 
Nov. 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 18.0 μg/m3 (16) 4.3 μg/m3 (18) 28.0
 
Nov. 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 17.0 μg/m3 (15) 3.6 μg/m3 (15) 28.0
 
Nov. 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 17.0 μg/m3 (15) 4.5 μg/m3 (19) 28.0
 
Nov. 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 22.0 μg/m3 (20) 5.2 μg/m3 (22) 24.0
 
Nov. 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A N/A 23.0
 
Nov. 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Nov. 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 27.0 μg/m3 (25) 7.0 μg/m3 (29) 29.0
 
Nov. 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 57.0 μg/m3 (51) 14.0 μg/m3 (54) 54.0
 
Nov. 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 43.0 μg/m3 (39) 13.6 μg/m3 (53) 53.0
 
Nov. 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 24.0 μg/m3 (22) 7.0 μg/m3 (29) 29.0
 
Nov. 18, 2019, noon N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 20.0 μg/m3 (18) 7.5 μg/m3 (31) 31.0
 
Nov. 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 34.0 μg/m3 (31) 9.8 μg/m3 (41) 41.0
 
Nov. 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 21.0 μg/m3 (19) 8.8 μg/m3 (37) 37.0
 
Nov. 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 20.0 μg/m3 (18) 7.5 μg/m3 (31) 31.0
 
Nov. 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 25.0 μg/m3 (23) 8.7 μg/m3 (36) 36.0
 
Nov. 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 28.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
Nov. 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 64.0 μg/m3 (54) 14.5 μg/m3 (55) 55.0
 
Nov. 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 80.0 μg/m3 (62) 14.3 μg/m3 (55) 62.0
 
Nov. 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 44.0 μg/m3 (40) 17.8 μg/m3 (62) 62.0
 
Nov. 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 32.0 μg/m3 (29) 12.9 μg/m3 (52) 52.0
 
Nov. 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 21.0 μg/m3 (19) 8.3 μg/m3 (35) 35.0
 
Nov. 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 15.0 μg/m3 (14) 4.9 μg/m3 (20) 20.0
 
Nov. 18, 2019, midnight N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 16.0 μg/m3 (15) 6.3 μg/m3 (26) 26.0
 
Nov. 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 13.0 μg/m3 (12) 3.4 μg/m3 (14) 28.0
 
Nov. 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 9.0 μg/m3 (8) 3.6 μg/m3 (15) 32.0
 
Nov. 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 11.0 μg/m3 (10) 4.8 μg/m3 (20) 34.0
 
Nov. 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 16.0 μg/m3 (15) 6.2 μg/m3 (26) 32.0
 
Nov. 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 19.0 μg/m3 (17) 7.5 μg/m3 (31) 31.0
 
Nov. 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 14.0 μg/m3 (13) 5.6 μg/m3 (23) 26.0
 
Nov. 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 17.0 μg/m3 (15) 6.7 μg/m3 (28) 28.0
 
Nov. 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 15.0 μg/m3 (14) 5.9 μg/m3 (25) 25.0
 
Nov. 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 15.0 μg/m3 (14) 7.1 μg/m3 (30) 30.0
 
Nov. 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 15.0 μg/m3 (14) 8.3 μg/m3 (35) 35.0
 
Nov. 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 15.0 μg/m3 (14) 8.5 μg/m3 (35) 35.0
 
Nov. 17, 2019, noon N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 16.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Nov. 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 18.0 μg/m3 (16) 8.9 μg/m3 (37) 37.0
 
Nov. 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 21.0 μg/m3 (19) 8.3 μg/m3 (35) 35.0
 
Nov. 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 25.0 μg/m3 (23) 10.5 μg/m3 (44) 44.0
 
Nov. 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 29.0 μg/m3 (26) 13.4 μg/m3 (53) 53.0
 
Nov. 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 27.0 μg/m3 (25) 11.7 μg/m3 (49) 49.0
 
Nov. 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 21.0 μg/m3 (19) 6.9 μg/m3 (29) 29.0
 
Nov. 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 20.0 μg/m3 (18) 6.4 μg/m3 (27) 27.0
 
Nov. 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 26.0 μg/m3 (24) 8.4 μg/m3 (35) 35.0
 
Nov. 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 34.0 μg/m3 (31) 8.9 μg/m3 (37) 37.0
 
Nov. 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 32.0 μg/m3 (29) 8.4 μg/m3 (35) 35.0
 
Nov. 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 51.0 μg/m3 (46) 8.4 μg/m3 (35) 46.0
 
Nov. 17, 2019, midnight N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 31.0 μg/m3 (28) 6.9 μg/m3 (29) 29.0
 
Nov. 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 20.0 μg/m3 (18) 5.5 μg/m3 (23) 23.0
 
Nov. 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 13.0 μg/m3 (12) 3.1 μg/m3 (13) 29.0
 
Nov. 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 11.0 μg/m3 (10) 3.0 μg/m3 (12) 32.0
 
Nov. 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 17.0 μg/m3 (15) 2.1 μg/m3 (9) 34.0
 
Nov. 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 16.0 μg/m3 (15) 2.3 μg/m3 (10) 32.0
 
Nov. 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 23.0 μg/m3 (21) 3.7 μg/m3 (15) 28.0
 
Nov. 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 18.0 μg/m3 (16) 3.4 μg/m3 (14) 25.0
 
Nov. 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 17.0 μg/m3 (15) 4.2 μg/m3 (18) 21.0
 
Nov. 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 19.0 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
Nov. 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 54.0 μg/m3 (49) 8.7 μg/m3 (36) 49.0
 
Nov. 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 49.0 μg/m3 (45) 8.5 μg/m3 (35) 45.0
 
Nov. 16, 2019, noon N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 13.0 μg/m3 (12) 4.4 μg/m3 (18) 18.0
 
Nov. 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 13.0 μg/m3 (12) 4.5 μg/m3 (19) 19.0
 
Nov. 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 15.0 μg/m3 (14) 6.2 μg/m3 (26) 26.0
 
Nov. 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 18.0 μg/m3 (16) 8.8 μg/m3 (37) 37.0
 
Nov. 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 28.0 μg/m3 (25) 10.9 μg/m3 (45) 45.0
 
Nov. 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 32.0 μg/m3 (29) 9.0 μg/m3 (38) 38.0
 
Nov. 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 30.0 μg/m3 (27) 8.2 μg/m3 (34) 34.0
 
Nov. 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 30.0 μg/m3 (27) 9.2 μg/m3 (38) 38.0
 
Nov. 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 28.0 μg/m3 (25) 7.5 μg/m3 (31) 31.0
 
Nov. 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 38.0 μg/m3 (35) 10.4 μg/m3 (43) 43.0
 
Nov. 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 48.0 μg/m3 (44) 8.3 μg/m3 (35) 44.0
 
Nov. 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 35.0 μg/m3 (32) 6.3 μg/m3 (26) 32.0
 
Nov. 16, 2019, midnight N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 25.0 μg/m3 (23) 4.8 μg/m3 (20) 23.0
 
Nov. 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 19.0 μg/m3 (17) 4.2 μg/m3 (18) 27.0
 
Nov. 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 19.0 μg/m3 (17) 4.1 μg/m3 (17) 34.0
 
Nov. 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 19.0 μg/m3 (17) 3.7 μg/m3 (15) 36.0
 
Nov. 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 22.0 μg/m3 (20) 4.7 μg/m3 (20) 34.0
 
Nov. 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 22.0 μg/m3 (20) 3.1 μg/m3 (13) 28.0
 
Nov. 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 25.0 μg/m3 (23) 4.5 μg/m3 (19) 27.0
 
Nov. 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 31.0 μg/m3 (28) 5.8 μg/m3 (24) 28.0
 
Nov. 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 55.0 μg/m3 (50) 11.5 μg/m3 (48) 50.0
 
Nov. 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 62.0 μg/m3 (54) 23.4 μg/m3 (74) 74.0
 
Nov. 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 43.0 μg/m3 (39) 17.6 μg/m3 (62) 62.0
 
Nov. 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 28.0 μg/m3 (25) 9.4 μg/m3 (39) 39.0
 
Nov. 15, 2019, noon N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 27.0 μg/m3 (25) 8.6 μg/m3 (36) 36.0
 
Nov. 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 23.0 μg/m3 (21) 7.1 μg/m3 (30) 30.0
 
Nov. 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 27.0 μg/m3 (25) 9.3 μg/m3 (39) 39.0
 
Nov. 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 41.0 μg/m3 (37) 8.1 μg/m3 (34) 37.0
 
Nov. 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 31.0 μg/m3 (28) 7.1 μg/m3 (30) 30.0
 
Nov. 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 65.0 μg/m3 (55) 8.5 μg/m3 (35) 55.0
 
Nov. 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 325.0 μg/m3 (185) 19.6 μg/m3 (66) 185.0
 
Nov. 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 108.0 μg/m3 (76) 14.1 μg/m3 (54) 76.0
 
Nov. 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 51.0 μg/m3 (46) 13.9 μg/m3 (54) 54.0
 
Nov. 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 54.0 μg/m3 (49) 13.2 μg/m3 (53) 53.0
 
Nov. 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 35.0 μg/m3 (32) 10.1 μg/m3 (42) 42.0
 
Nov. 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 41.0 μg/m3 (37) 8.5 μg/m3 (35) 37.0
 
Nov. 15, 2019, midnight N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 27.0 μg/m3 (25) 5.3 μg/m3 (22) 25.0
 
Nov. 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 21.0 μg/m3 (19) 3.9 μg/m3 (16) 22.0
 
Nov. 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 20.0 μg/m3 (18) 2.6 μg/m3 (11) 32.0
 
Nov. 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 20.0 μg/m3 (18) 3.9 μg/m3 (16) 34.0
 
Nov. 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 21.0 μg/m3 (19) 4.8 μg/m3 (20) 31.0
 
Nov. 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 25.0 μg/m3 (23) 6.1 μg/m3 (25) 26.0
 
Nov. 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 29.0 μg/m3 (26) 6.4 μg/m3 (27) 27.0
 
Nov. 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 31.0 μg/m3 (28) 6.2 μg/m3 (26) 28.0
 
Nov. 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 34.0 μg/m3 (31) 7.1 μg/m3 (30) 31.0
 
Nov. 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 36.0 μg/m3 (33) 7.8 μg/m3 (32) 33.0
 
Nov. 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 25.0 μg/m3 (23) 7.1 μg/m3 (30) 30.0
 
Nov. 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 23.0 μg/m3 (21) 6.4 μg/m3 (27) 27.0
 
Nov. 14, 2019, noon N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 30.0 μg/m3 (27) 8.0 μg/m3 (33) 33.0
 
Nov. 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 23.0 μg/m3 (21) 8.8 μg/m3 (37) 37.0
 
Nov. 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 25.0 μg/m3 (23) 9.3 μg/m3 (39) 39.0
 
Nov. 14, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 28.0 μg/m3 (25) 9.1 μg/m3 (38) 38.0
 
Nov. 14, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 37.0 μg/m3 (34) 13.3 μg/m3 (53) 53.0