ID: 2085

AQSQID: 040278011

Site Name: Yuma Supersite

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

Updated: Sept. 24, 2020, 2:39 a.m.

Location: Yuma (Arc Center), AZ

Reporting: True, Located: True

Current AQI: 48.0

Yuma (Arc Center) AZ, US: 32.690277, -114.614441

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 24, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 53.0 μg/m3 (48) 7.0 μg/m3 (29) 48.0
 
Sept. 24, 2020, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 38.0 μg/m3 (35) 9.0 μg/m3 (38) 38.0
 
Sept. 23, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 35.0 μg/m3 (32) 6.0 μg/m3 (25) 35.0
 
Sept. 23, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 33.0 μg/m3 (30) 6.0 μg/m3 (25) 36.0
 
Sept. 23, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 22.0 μg/m3 (20) 5.0 μg/m3 (21) 35.0
 
Sept. 23, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 29.0 μg/m3 (26) 8.0 μg/m3 (33) 40.0
 
Sept. 23, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 67.0 μg/m3 (56) 8.0 μg/m3 (33) 56.0
 
Sept. 23, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 67.0 μg/m3 (56) 7.0 μg/m3 (29) 56.0
 
Sept. 23, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 111.0 μg/m3 (78) 16.0 μg/m3 (59) 78.0
 
Sept. 23, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 88.0 μg/m3 (66) 11.0 μg/m3 (46) 66.0
 
Sept. 23, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 62.0 μg/m3 (54) 12.0 μg/m3 (50) 54.0
 
Sept. 23, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 53.0 μg/m3 (48) 13.0 μg/m3 (52) 52.0
 
Sept. 23, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 74.0 μg/m3 (60) 11.0 μg/m3 (46) 60.0
 
Sept. 23, 2020, noon N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 35.0 μg/m3 (32) 10.0 μg/m3 (42) 42.0
 
Sept. 23, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 36.0 μg/m3 (33) 9.0 μg/m3 (38) 38.0
 
Sept. 23, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 36.0 μg/m3 (33) 8.0 μg/m3 (33) 33.0
 
Sept. 23, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 30.0 μg/m3 (27) 11.0 μg/m3 (46) 46.0
 
Sept. 23, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 22.0 μg/m3 (20) 6.0 μg/m3 (25) 25.0
 
Sept. 23, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 38.0 μg/m3 (35) 9.0 μg/m3 (38) 38.0
 
Sept. 23, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 61.0 μg/m3 (53) 14.0 μg/m3 (54) 54.0
 
Sept. 23, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 90.0 μg/m3 (68) 12.0 μg/m3 (50) 68.0
 
Sept. 23, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 110.0 μg/m3 (78) 16.0 μg/m3 (59) 78.0
 
Sept. 23, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 92.0 μg/m3 (68) 22.0 μg/m3 (71) 71.0
 
Sept. 23, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 77.0 μg/m3 (61) 16.0 μg/m3 (59) 61.0
 
Sept. 23, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 57.0 μg/m3 (51) 11.0 μg/m3 (46) 51.0
 
Sept. 23, 2020, midnight N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 48.0 μg/m3 (44) 9.0 μg/m3 (38) 44.0
 
Sept. 22, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 28.0 μg/m3 (25) 6.0 μg/m3 (25) 38.0
 
Sept. 22, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 29.0 μg/m3 (26) 9.0 μg/m3 (38) 41.0
 
Sept. 22, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 23.0 μg/m3 (21) 8.0 μg/m3 (33) 42.0
 
Sept. 22, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 23.0 μg/m3 (21) 10.0 μg/m3 (42) 42.0
 
Sept. 22, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 30.0 μg/m3 (27) 8.0 μg/m3 (33) 38.0
 
Sept. 22, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 28.0 μg/m3 (25) 7.0 μg/m3 (29) 33.0
 
Sept. 22, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 27.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
Sept. 22, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 46.0 μg/m3 (42) 11.0 μg/m3 (46) 46.0
 
Sept. 22, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 62.0 μg/m3 (54) 14.0 μg/m3 (54) 54.0
 
Sept. 22, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 116.0 μg/m3 (80) 22.0 μg/m3 (71) 80.0
 
Sept. 22, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 75.0 μg/m3 (60) 18.0 μg/m3 (63) 63.0
 
Sept. 22, 2020, noon N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 92.0 μg/m3 (68) 14.0 μg/m3 (54) 68.0
 
Sept. 22, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 33.0 μg/m3 (30) 11.0 μg/m3 (46) 46.0
 
Sept. 22, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 27.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
Sept. 22, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 62.0 μg/m3 (54) 9.0 μg/m3 (38) 54.0
 
Sept. 22, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 20.0 μg/m3 (18) 8.0 μg/m3 (33) 33.0
 
Sept. 22, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 22.0 μg/m3 (20) 10.0 μg/m3 (42) 42.0
 
Sept. 22, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 27.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
Sept. 22, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 22.0 μg/m3 (20) 14.0 μg/m3 (54) 54.0
 
Sept. 22, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 24.0 μg/m3 (22) 9.0 μg/m3 (38) 38.0
 
Sept. 22, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 39.0 μg/m3 (35) 13.0 μg/m3 (52) 52.0
 
Sept. 22, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 28.0 μg/m3 (25) 7.0 μg/m3 (29) 29.0
 
Sept. 22, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 29.0 μg/m3 (26) 11.0 μg/m3 (46) 46.0
 
Sept. 22, 2020, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 94.0 μg/m3 (70) 14.0 μg/m3 (54) 70.0
 
Sept. 21, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 1017.0 μg/m3 (912) 134.0 μg/m3 (191) 912.0
 
Sept. 21, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 24.0 μg/m3 (22) 7.0 μg/m3 (29) 36.0
 
Sept. 21, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 25.0 μg/m3 (23) 9.0 μg/m3 (38) 38.0
 
Sept. 21, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 31.0 μg/m3 (28) 16.0 μg/m3 (59) 59.0
 
Sept. 21, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Sept. 21, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (56) 56.0
 
Sept. 21, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 74.0 μg/m3 (60) 13.0 μg/m3 (52) 60.0
 
Sept. 21, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 85.0 μg/m3 (65) 17.0 μg/m3 (61) 65.0
 
Sept. 21, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 85.0 μg/m3 (65) 26.0 μg/m3 (80) 80.0
 
Sept. 21, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 86.0 μg/m3 (66) 20.0 μg/m3 (67) 67.0
 
Sept. 21, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 50.0 μg/m3 (45) 16.0 μg/m3 (59) 59.0
 
Sept. 21, 2020, noon N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 183.0 μg/m3 (114) 28.0 μg/m3 (84) 114.0
 
Sept. 21, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 25.0 μg/m3 (23) 9.0 μg/m3 (38) 38.0
 
Sept. 21, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 31.0 μg/m3 (28) 9.0 μg/m3 (38) 38.0
 
Sept. 21, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 23.0 μg/m3 (21) 14.0 μg/m3 (54) 54.0
 
Sept. 21, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 28.0 μg/m3 (25) 15.0 μg/m3 (56) 56.0
 
Sept. 21, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 22.0 μg/m3 (20) 12.0 μg/m3 (50) 50.0
 
Sept. 21, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 18.0 μg/m3 (16) 6.0 μg/m3 (25) 28.0
 
Sept. 21, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 19.0 μg/m3 (17) 11.0 μg/m3 (46) 46.0
 
Sept. 21, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 25.0 μg/m3 (23) 13.0 μg/m3 (52) 52.0
 
Sept. 21, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 55.0 μg/m3 (50) 15.0 μg/m3 (56) 56.0
 
Sept. 21, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 48.0 μg/m3 (44) 9.0 μg/m3 (38) 44.0
 
Sept. 21, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 28.0 μg/m3 (25) 16.0 μg/m3 (59) 59.0
 
Sept. 21, 2020, midnight N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 17.0 μg/m3 (15) 7.0 μg/m3 (29) 42.0
 
Sept. 20, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 22.0 μg/m3 (20) 10.0 μg/m3 (42) 42.0
 
Sept. 20, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 25.0 μg/m3 (23) 8.0 μg/m3 (33) 38.0
 
Sept. 20, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 24.0 μg/m3 (22) 9.0 μg/m3 (38) 38.0
 
Sept. 20, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 23.0 μg/m3 (21) 10.0 μg/m3 (42) 42.0
 
Sept. 20, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 19.0 μg/m3 (17) 6.0 μg/m3 (25) 38.0
 
Sept. 20, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 19.0 μg/m3 (17) 8.0 μg/m3 (33) 37.0
 
Sept. 20, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 22.0 μg/m3 (20) 7.0 μg/m3 (29) 36.0
 
Sept. 20, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 23.0 μg/m3 (21) 17.0 μg/m3 (61) 61.0
 
Sept. 20, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 28.0 μg/m3 (25) 15.0 μg/m3 (56) 56.0
 
Sept. 20, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 51.0 μg/m3 (46) 16.0 μg/m3 (59) 59.0
 
Sept. 20, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 35.0 μg/m3 (32) 12.0 μg/m3 (50) 50.0
 
Sept. 20, 2020, noon N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 33.0 μg/m3 (30) 17.0 μg/m3 (61) 61.0
 
Sept. 20, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 31.0 μg/m3 (28) 8.0 μg/m3 (33) 33.0
 
Sept. 20, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 36.0 μg/m3 (33) 18.0 μg/m3 (63) 63.0
 
Sept. 20, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 46.0 μg/m3 (42) 17.0 μg/m3 (61) 61.0
 
Sept. 20, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 64.0 μg/m3 (54) 17.0 μg/m3 (61) 61.0
 
Sept. 20, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 78.0 μg/m3 (62) 17.0 μg/m3 (61) 62.0
 
Sept. 20, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 42.0 μg/m3 (38) 16.0 μg/m3 (59) 59.0
 
Sept. 20, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 44.0 μg/m3 (40) 13.0 μg/m3 (52) 52.0
 
Sept. 20, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 66.0 μg/m3 (56) 18.0 μg/m3 (63) 63.0
 
Sept. 20, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 53.0 μg/m3 (48) 15.0 μg/m3 (56) 56.0
 
Sept. 20, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 58.0 μg/m3 (52) 18.0 μg/m3 (63) 63.0
 
Sept. 20, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 61.0 μg/m3 (53) 12.0 μg/m3 (50) 53.0
 
Sept. 20, 2020, midnight N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 20.0 μg/m3 (18) 11.0 μg/m3 (46) 46.0
 
Sept. 19, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 23.0 μg/m3 (21) 13.0 μg/m3 (52) 52.0
 
Sept. 19, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 19.0 μg/m3 (17) 9.0 μg/m3 (38) 42.0
 
Sept. 19, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 23.0 μg/m3 (21) 9.0 μg/m3 (38) 42.0
 
Sept. 19, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 20.0 μg/m3 (18) 6.0 μg/m3 (25) 42.0
 
Sept. 19, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 24.0 μg/m3 (22) 7.0 μg/m3 (29) 40.0
 
Sept. 19, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 33.0 μg/m3 (30) 11.0 μg/m3 (46) 46.0
 
Sept. 19, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 34.0 μg/m3 (31) 13.0 μg/m3 (52) 52.0
 
Sept. 19, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 42.0 μg/m3 (38) 11.0 μg/m3 (46) 46.0
 
Sept. 19, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 23.0 μg/m3 (21) 14.0 μg/m3 (54) 54.0
 
Sept. 19, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 25.0 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
Sept. 19, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 22.0 μg/m3 (20) 11.0 μg/m3 (46) 46.0
 
Sept. 19, 2020, noon N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 28.0 μg/m3 (25) 17.0 μg/m3 (61) 61.0
 
Sept. 19, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 34.0 μg/m3 (31) 12.0 μg/m3 (50) 50.0
 
Sept. 19, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 44.0 μg/m3 (40) 15.0 μg/m3 (56) 56.0
 
Sept. 19, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 44.0 μg/m3 (40) 17.0 μg/m3 (61) 61.0
 
Sept. 19, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 48.0 μg/m3 (44) 20.0 μg/m3 (67) 67.0
 
Sept. 19, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 28.0 μg/m3 (25) 19.0 μg/m3 (65) 65.0
 
Sept. 19, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 75.0 μg/m3 (60) 29.0 μg/m3 (86) 86.0
 
Sept. 19, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 55.0 μg/m3 (50) 39.0 μg/m3 (109) 109.0
 
Sept. 19, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 61.0 μg/m3 (53) 91.0 μg/m3 (169) 169.0
 
Sept. 19, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 91.0 μg/m3 (68) 53.0 μg/m3 (144) 144.0
 
Sept. 19, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 38.0 μg/m3 (35) 39.0 μg/m3 (109) 109.0
 
Sept. 19, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 40.0 μg/m3 (36) 17.0 μg/m3 (61) 61.0
 
Sept. 19, 2020, midnight N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 27.0 μg/m3 (25) 27.0 μg/m3 (82) 82.0
 
Sept. 18, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 24.0 μg/m3 (22) 28.0 μg/m3 (84) 84.0
 
Sept. 18, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 28.0 μg/m3 (25) 6.0 μg/m3 (25) 42.0
 
Sept. 18, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 28.0 μg/m3 (25) 9.0 μg/m3 (38) 42.0
 
Sept. 18, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 30.0 μg/m3 (27) 27.0 μg/m3 (82) 82.0
 
Sept. 18, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A 36.0 μg/m3 (33) 21.0 μg/m3 (69) 69.0
 
Sept. 18, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A 46.0 μg/m3 (42) 15.0 μg/m3 (56) 56.0
 
Sept. 18, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 78.0 μg/m3 (62) 18.0 μg/m3 (63) 63.0
 
Sept. 18, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 113.0 μg/m3 (79) 29.0 μg/m3 (86) 86.0
 
Sept. 18, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 66.0 μg/m3 (56) 25.0 μg/m3 (78) 78.0
 
Sept. 18, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 57.0 μg/m3 (51) 55.0 μg/m3 (149) 149.0
 
Sept. 18, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 46.0 μg/m3 (42) 23.0 μg/m3 (73) 73.0
 
Sept. 18, 2020, noon N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 33.0 μg/m3 (30) 19.0 μg/m3 (65) 65.0
 
Sept. 18, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 68.0 μg/m3 (56) 19.0 μg/m3 (65) 65.0
 
Sept. 18, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 72.0 μg/m3 (58) 16.0 μg/m3 (59) 59.0
 
Sept. 18, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 74.0 μg/m3 (60) 17.0 μg/m3 (61) 61.0
 
Sept. 18, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 91.0 μg/m3 (68) 24.0 μg/m3 (76) 76.0
 
Sept. 18, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 62.0 μg/m3 (54) 22.0 μg/m3 (71) 71.0
 
Sept. 18, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 75.0 μg/m3 (60) 24.0 μg/m3 (76) 76.0
 
Sept. 18, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 95.0 μg/m3 (70) 24.0 μg/m3 (76) 76.0
 
Sept. 18, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 74.0 μg/m3 (60) 14.0 μg/m3 (54) 60.0
 
Sept. 18, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 77.0 μg/m3 (61) 23.0 μg/m3 (73) 73.0
 
Sept. 18, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 75.0 μg/m3 (60) 14.0 μg/m3 (54) 60.0
 
Sept. 18, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 35.0 μg/m3 (32) 8.0 μg/m3 (33) 39.0
 
Sept. 18, 2020, midnight N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A 20.0 μg/m3 (18) 4.0 μg/m3 (17) 48.0
 
Sept. 17, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A 51.0 μg/m3 (46) 8.0 μg/m3 (33) 48.0
 
Sept. 17, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A 28.0 μg/m3 (25) 9.0 μg/m3 (38) 48.0
 
Sept. 17, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) N/A 38.0 μg/m3 (35) 10.0 μg/m3 (42) 49.0
 
Sept. 17, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) N/A 38.0 μg/m3 (35) 12.0 μg/m3 (50) 50.0
 
Sept. 17, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) N/A 62.0 μg/m3 (54) 28.0 μg/m3 (84) 84.0
 
Sept. 17, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A 73.0 μg/m3 (59) 23.0 μg/m3 (73) 73.0
 
Sept. 17, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 90.0 μg/m3 (68) 29.0 μg/m3 (86) 86.0
 
Sept. 17, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 213.0 μg/m3 (129) 29.0 μg/m3 (86) 129.0
 
Sept. 17, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 88.0 μg/m3 (66) 30.0 μg/m3 (88) 88.0
 
Sept. 17, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 106.0 μg/m3 (76) 74.0 μg/m3 (160) 160.0
 
Sept. 17, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 157.0 μg/m3 (101) 36.0 μg/m3 (101) 101.0
 
Sept. 17, 2020, noon N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 113.0 μg/m3 (79) 33.0 μg/m3 (95) 95.0
 
Sept. 17, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 101.0 μg/m3 (73) 31.0 μg/m3 (90) 90.0
 
Sept. 17, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 51.0 μg/m3 (46) 27.0 μg/m3 (82) 82.0
 
Sept. 17, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 45.0 μg/m3 (41) 15.0 μg/m3 (56) 56.0
 
Sept. 17, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 52.0 μg/m3 (47) 19.0 μg/m3 (65) 65.0
 
Sept. 17, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 52.0 μg/m3 (47) 20.0 μg/m3 (67) 67.0
 
Sept. 17, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 91.0 μg/m3 (68) 20.0 μg/m3 (67) 68.0
 
Sept. 17, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 73.0 μg/m3 (59) 23.0 μg/m3 (73) 73.0
 
Sept. 17, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 72.0 μg/m3 (58) 19.0 μg/m3 (65) 65.0
 
Sept. 17, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 66.0 μg/m3 (56) 15.0 μg/m3 (56) 56.0
 
Sept. 17, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 63.0 μg/m3 (54) 12.0 μg/m3 (50) 54.0