ID: 955

AQSQID: 040134003

Site Name: South Phoenix

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

Updated: Sept. 22, 2020, 6:40 p.m.

Location: Phoenix (S Mtain), AZ

Reporting: True, Located: True

Current AQI: 42.0

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
Sept. 15, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) 0.3 ppb (3) 28.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.3 ppb (3) 37.0 μg/m3 (34) 10.6 μg/m3 (44) 44.0
 
Sept. 15, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.3 ppb (3) 39.0 μg/m3 (35) 10.3 μg/m3 (43) 43.0
 
Sept. 15, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.3 ppb (3) 35.0 μg/m3 (32) 9.6 μg/m3 (40) 40.0
 
Sept. 15, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 0.3 ppb (3) 35.0 μg/m3 (32) 9.9 μg/m3 (41) 41.0
 
Sept. 15, 2020, noon N/A N/A N/A N/A N/A N/A 6.0 ppb (5) 0.3 ppb (3) 29.0 μg/m3 (26) 10.1 μg/m3 (42) 42.0
 
Sept. 15, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) 0.3 ppb (3) 21.0 μg/m3 (19) 9.6 μg/m3 (40) 40.0
 
Sept. 15, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.2 ppb (2) 16.0 μg/m3 (15) 9.2 μg/m3 (38) 38.0
 
Sept. 15, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.3 ppb (3) 28.0 μg/m3 (25) 11.7 μg/m3 (49) 49.0
 
Sept. 15, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.4 ppb (4) 29.0 μg/m3 (26) 10.9 μg/m3 (45) 45.0
 
Sept. 15, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.3 ppb (3) 32.0 μg/m3 (29) 11.7 μg/m3 (49) 49.0
 
Sept. 15, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 0.6 ppb (7) 44.0 μg/m3 (40) 13.0 μg/m3 (52) 52.0
 
Sept. 15, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.8 ppb (9) 68.0 μg/m3 (56) 14.0 μg/m3 (54) 56.0
 
Sept. 15, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) 0.8 ppb (9) 58.0 μg/m3 (52) 12.9 μg/m3 (52) 52.0
 
Sept. 15, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 0.6 ppb (7) 53.0 μg/m3 (48) 10.9 μg/m3 (45) 48.0
 
Sept. 15, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.5 ppb (6) 33.0 μg/m3 (30) 6.9 μg/m3 (29) 30.0
 
Sept. 15, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 0.3 ppb (3) 14.0 μg/m3 (13) 5.9 μg/m3 (25) 38.0
 
Sept. 15, 2020, midnight N/A N/A N/A N/A N/A N/A 56.0 ppb (43) 0.2 ppb (2) 9.0 μg/m3 (8) 4.5 μg/m3 (19) 43.0
 
Sept. 14, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) 0.2 ppb (2) 11.0 μg/m3 (10) 6.2 μg/m3 (26) 43.0
 
Sept. 14, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) 0.2 ppb (2) 15.0 μg/m3 (14) 7.9 μg/m3 (33) 43.0
 
Sept. 14, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) 0.2 ppb (2) 19.0 μg/m3 (17) 7.2 μg/m3 (30) 43.0
 
Sept. 14, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) 0.2 ppb (2) 28.0 μg/m3 (25) 10.2 μg/m3 (42) 43.0
 
Sept. 14, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) 0.2 ppb (2) 28.0 μg/m3 (25) 6.2 μg/m3 (26) 43.0
 
Sept. 14, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) 0.2 ppb (2) 39.0 μg/m3 (35) 7.2 μg/m3 (30) 43.0
 
Sept. 14, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 0.2 ppb (2) 36.0 μg/m3 (33) 8.1 μg/m3 (34) 39.0
 
Sept. 14, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.2 ppb (2) 33.0 μg/m3 (30) 8.2 μg/m3 (34) 34.0
 
Sept. 14, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.3 ppb (3) 38.0 μg/m3 (35) 8.2 μg/m3 (34) 35.0
 
Sept. 14, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.4 ppb (4) 46.0 μg/m3 (42) 10.6 μg/m3 (44) 44.0
 
Sept. 14, 2020, 1 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) 10.3 μg/m3 (43) 43.0
 
Sept. 14, 2020, noon N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.3 ppb (3) 24.0 μg/m3 (22) 8.7 μg/m3 (36) 36.0
 
Sept. 14, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.3 ppb (3) 22.0 μg/m3 (20) 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.2 ppb (2) 20.0 μg/m3 (18) 9.2 μg/m3 (38) 38.0
 
Sept. 14, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.2 ppb (2) 24.0 μg/m3 (22) 11.6 μg/m3 (48) 48.0
 
Sept. 14, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.4 ppb (4) 32.0 μg/m3 (29) 14.5 μg/m3 (55) 55.0
 
Sept. 14, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.4 ppb (4) 32.0 μg/m3 (29) 11.9 μg/m3 (50) 50.0
 
Sept. 14, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.5 ppb (6) 53.0 μg/m3 (48) 15.6 μg/m3 (58) 58.0
 
Sept. 14, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.0 ppb (11) 60.0 μg/m3 (52) 18.6 μg/m3 (64) 64.0
 
Sept. 14, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) 0.8 ppb (9) 66.0 μg/m3 (56) 21.5 μg/m3 (70) 70.0
 
Sept. 14, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 0.7 ppb (8) 70.0 μg/m3 (58) 21.4 μg/m3 (70) 70.0
 
Sept. 14, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) 1.0 ppb (11) 56.0 μg/m3 (50) 15.0 μg/m3 (56) 56.0
 
Sept. 14, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.3 ppb (3) 17.0 μg/m3 (15) 8.9 μg/m3 (37) 37.0
 
Sept. 14, 2020, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (36) 0.2 ppb (2) 13.0 μg/m3 (12) 8.8 μg/m3 (37) 37.0
 
Sept. 13, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) 0.2 ppb (2) 18.0 μg/m3 (16) 10.6 μg/m3 (44) 44.0
 
Sept. 13, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) 0.2 ppb (2) 17.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Sept. 13, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) 0.2 ppb (2) 21.0 μg/m3 (19) 11.4 μg/m3 (48) 48.0
 
Sept. 13, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) 0.2 ppb (2) 25.0 μg/m3 (23) 11.3 μg/m3 (47) 47.0
 
Sept. 13, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 0.2 ppb (2) 23.0 μg/m3 (21) 9.4 μg/m3 (39) 41.0
 
Sept. 13, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.2 ppb (2) 20.0 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
Sept. 13, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.2 ppb (2) 18.0 μg/m3 (16) 8.0 μg/m3 (33) 33.0
 
Sept. 13, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.2 ppb (2) 26.0 μg/m3 (24) 9.4 μg/m3 (39) 39.0
 
Sept. 13, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.3 ppb (3) 57.0 μg/m3 (51) 18.3 μg/m3 (63) 63.0
 
Sept. 13, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) 0.6 ppb (7) 60.0 μg/m3 (52) 18.1 μg/m3 (63) 63.0
 
Sept. 13, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) 0.6 ppb (7) 44.0 μg/m3 (40) 14.8 μg/m3 (56) 56.0
 
Sept. 13, 2020, noon N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 0.6 ppb (7) 41.0 μg/m3 (37) 14.8 μg/m3 (56) 56.0
 
Sept. 13, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.4 ppb (4) 40.0 μg/m3 (36) 15.5 μg/m3 (57) 57.0
 
Sept. 13, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 0.5 ppb (6) 41.0 μg/m3 (37) 16.8 μg/m3 (60) 60.0
 
Sept. 13, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 0.6 ppb (7) 51.0 μg/m3 (46) 16.6 μg/m3 (60) 60.0
 
Sept. 13, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 0.7 ppb (8) 63.0 μg/m3 (54) 20.1 μg/m3 (67) 67.0
 
Sept. 13, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.0 ppb (11) 71.0 μg/m3 (58) 23.9 μg/m3 (75) 75.0
 
Sept. 13, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.2 ppb (13) 70.0 μg/m3 (58) 22.0 μg/m3 (71) 71.0
 
Sept. 13, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.1 ppb (12) 73.0 μg/m3 (59) 21.8 μg/m3 (71) 71.0
 
Sept. 13, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) 0.9 ppb (10) 97.0 μg/m3 (71) 29.7 μg/m3 (88) 88.0
 
Sept. 13, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 1.4 ppb (16) 134.0 μg/m3 (90) 39.9 μg/m3 (111) 111.0
 
Sept. 13, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) 1.2 ppb (13) 71.0 μg/m3 (58) 20.0 μg/m3 (67) 67.0
 
Sept. 13, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.4 ppb (4) 48.0 μg/m3 (44) 16.0 μg/m3 (59) 59.0
 
Sept. 13, 2020, midnight N/A N/A N/A N/A N/A N/A 52.0 ppb (40) 0.3 ppb (3) 35.0 μg/m3 (32) 13.7 μg/m3 (54) 54.0
 
Sept. 12, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) 0.2 ppb (2) 25.0 μg/m3 (23) 10.6 μg/m3 (44) 44.0
 
Sept. 12, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) 0.2 ppb (2) 22.0 μg/m3 (20) 11.4 μg/m3 (48) 48.0
 
Sept. 12, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) 0.2 ppb (2) 21.0 μg/m3 (19) 10.5 μg/m3 (44) 44.0
 
Sept. 12, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 0.2 ppb (2) 19.0 μg/m3 (17) 9.2 μg/m3 (38) 41.0
 
Sept. 12, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.2 ppb (2) 20.0 μg/m3 (18) 7.6 μg/m3 (32) 38.0
 
Sept. 12, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.2 ppb (2) 21.0 μg/m3 (19) 6.6 μg/m3 (28) 32.0
 
Sept. 12, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.2 ppb (2) 23.0 μg/m3 (21) 6.4 μg/m3 (27) 28.0
 
Sept. 12, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.3 ppb (3) 31.0 μg/m3 (28) 8.3 μg/m3 (35) 35.0
 
Sept. 12, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.3 ppb (3) 43.0 μg/m3 (39) 10.9 μg/m3 (45) 45.0
 
Sept. 12, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) 0.4 ppb (4) 57.0 μg/m3 (51) 13.0 μg/m3 (52) 52.0
 
Sept. 12, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) 0.4 ppb (4) 53.0 μg/m3 (48) 13.3 μg/m3 (53) 53.0
 
Sept. 12, 2020, noon N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.6 ppb (7) 48.0 μg/m3 (44) 11.9 μg/m3 (50) 50.0
 
Sept. 12, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) 0.4 ppb (4) 39.0 μg/m3 (35) 10.7 μg/m3 (45) 45.0
 
Sept. 12, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) 0.4 ppb (4) 41.0 μg/m3 (37) 10.8 μg/m3 (45) 45.0
 
Sept. 12, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) 0.5 ppb (6) 52.0 μg/m3 (47) 12.2 μg/m3 (50) 50.0
 
Sept. 12, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.6 ppb (7) 48.0 μg/m3 (44) 12.2 μg/m3 (50) 50.0
 
Sept. 12, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) 0.6 ppb (7) 51.0 μg/m3 (46) 10.8 μg/m3 (45) 46.0
 
Sept. 12, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) 0.6 ppb (7) 50.0 μg/m3 (45) 11.4 μg/m3 (48) 48.0
 
Sept. 12, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 0.6 ppb (7) 60.0 μg/m3 (52) 13.9 μg/m3 (54) 54.0
 
Sept. 12, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) 0.7 ppb (8) 71.0 μg/m3 (58) 13.3 μg/m3 (53) 58.0
 
Sept. 12, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) 0.7 ppb (8) 75.0 μg/m3 (60) 12.4 μg/m3 (51) 60.0
 
Sept. 12, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.4 ppb (4) 60.0 μg/m3 (52) 10.9 μg/m3 (45) 52.0
 
Sept. 12, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.3 ppb (3) 25.0 μg/m3 (23) 6.9 μg/m3 (29) 29.0
 
Sept. 12, 2020, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.2 ppb (2) 20.0 μg/m3 (18) 6.9 μg/m3 (29) 35.0
 
Sept. 11, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.2 ppb (2) 22.0 μg/m3 (20) 7.8 μg/m3 (32) 35.0
 
Sept. 11, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.2 ppb (2) 20.0 μg/m3 (18) 6.2 μg/m3 (26) 32.0
 
Sept. 11, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.2 ppb (2) 18.0 μg/m3 (16) 5.1 μg/m3 (21) 32.0
 
Sept. 11, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.2 ppb (2) 22.0 μg/m3 (20) 6.2 μg/m3 (26) 31.0
 
Sept. 11, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 20.0 μg/m3 (18) 5.0 μg/m3 (21) 28.0
 
Sept. 11, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 26.0 μg/m3 (24) 6.4 μg/m3 (27) 27.0
 
Sept. 11, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 47.0 μg/m3 (43) 9.3 μg/m3 (39) 43.0
 
Sept. 11, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 143.0 μg/m3 (94) 24.0 μg/m3 (76) 94.0
 
Sept. 11, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 156.0 μg/m3 (100) 23.5 μg/m3 (74) 100.0
 
Sept. 11, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 88.0 μg/m3 (66) 16.3 μg/m3 (59) 66.0
 
Sept. 11, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 62.0 μg/m3 (54) 12.9 μg/m3 (52) 54.0
 
Sept. 11, 2020, noon N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.8 ppb (9) 49.0 μg/m3 (45) 11.4 μg/m3 (48) 48.0
 
Sept. 11, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 0.3 ppb (3) 38.0 μg/m3 (35) 10.4 μg/m3 (43) 43.0
 
Sept. 11, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.2 ppb (2) 37.0 μg/m3 (34) 11.1 μg/m3 (46) 46.0
 
Sept. 11, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.2 ppb (2) 39.0 μg/m3 (35) 11.0 μg/m3 (46) 46.0
 
Sept. 11, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.3 ppb (3) 44.0 μg/m3 (40) 12.1 μg/m3 (50) 50.0
 
Sept. 11, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) 0.4 ppb (4) 51.0 μg/m3 (46) 12.3 μg/m3 (51) 51.0
 
Sept. 11, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 0.4 ppb (4) 42.0 μg/m3 (38) 11.6 μg/m3 (48) 48.0
 
Sept. 11, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.2 ppb (2) 47.0 μg/m3 (43) 10.7 μg/m3 (45) 45.0
 
Sept. 11, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.3 ppb (3) 66.0 μg/m3 (56) 13.2 μg/m3 (53) 56.0
 
Sept. 11, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.3 ppb (3) 60.0 μg/m3 (52) 12.5 μg/m3 (51) 52.0
 
Sept. 11, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.3 ppb (3) 49.0 μg/m3 (45) 9.9 μg/m3 (41) 45.0
 
Sept. 11, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 0.1 ppb (1) 29.0 μg/m3 (26) 8.0 μg/m3 (33) 41.0
 
Sept. 11, 2020, midnight N/A N/A N/A N/A N/A N/A 59.0 ppb (45) 0.1 ppb (1) 27.0 μg/m3 (25) 8.2 μg/m3 (34) 45.0
 
Sept. 10, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) 0.1 ppb (1) 27.0 μg/m3 (25) 8.4 μg/m3 (35) 45.0
 
Sept. 10, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) 0.1 ppb (1) 21.0 μg/m3 (19) 5.8 μg/m3 (24) 42.0
 
Sept. 10, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 0.0 ppb (0) 22.0 μg/m3 (20) 5.8 μg/m3 (24) 38.0
 
Sept. 10, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 0.1 ppb (1) 21.0 μg/m3 (19) 5.1 μg/m3 (21) 38.0
 
Sept. 10, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.0 ppb (0) 19.0 μg/m3 (17) 4.9 μg/m3 (20) 35.0
 
Sept. 10, 2020, 6 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) 5.0 μg/m3 (21) 32.0
 
Sept. 10, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.1 ppb (1) 24.0 μg/m3 (22) 6.6 μg/m3 (28) 28.0
 
Sept. 10, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.1 ppb (1) 48.0 μg/m3 (44) 9.9 μg/m3 (41) 44.0
 
Sept. 10, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.2 ppb (2) 87.0 μg/m3 (66) 12.5 μg/m3 (51) 66.0
 
Sept. 10, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) 0.4 ppb (4) 70.0 μg/m3 (58) 9.2 μg/m3 (38) 58.0
 
Sept. 10, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.5 ppb (6) 37.0 μg/m3 (34) 7.0 μg/m3 (29) 34.0
 
Sept. 10, 2020, noon N/A N/A N/A N/A N/A N/A 5.0 ppb (4) 0.3 ppb (3) 20.0 μg/m3 (18) 5.4 μg/m3 (23) 23.0
 
Sept. 10, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) 0.1 ppb (1) 14.0 μg/m3 (13) 5.8 μg/m3 (24) 24.0
 
Sept. 10, 2020, 10 a.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) 7.2 μg/m3 (30) 30.0
 
Sept. 10, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.0 ppb (0) 16.0 μg/m3 (15) 5.6 μg/m3 (23) 23.0
 
Sept. 10, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.1 ppb (1) 23.0 μg/m3 (21) 5.8 μg/m3 (24) 24.0
 
Sept. 10, 2020, 7 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) 7.2 μg/m3 (30) 30.0
 
Sept. 10, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.1 ppb (1) 41.0 μg/m3 (37) 8.3 μg/m3 (35) 37.0
 
Sept. 10, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) 0.3 ppb (3) 66.0 μg/m3 (56) 12.4 μg/m3 (51) 56.0
 
Sept. 10, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) 0.4 ppb (4) 64.0 μg/m3 (54) 12.7 μg/m3 (51) 54.0
 
Sept. 10, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.3 ppb (3) 53.0 μg/m3 (48) 12.7 μg/m3 (51) 51.0
 
Sept. 10, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.2 ppb (2) 34.0 μg/m3 (31) 0.5 μg/m3 (2) 31.0
 
Sept. 10, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.1 ppb (1) 35.0 μg/m3 (32) 7.7 μg/m3 (32) 32.0
 
Sept. 10, 2020, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.0 ppb (0) 37.0 μg/m3 (34) 9.4 μg/m3 (39) 39.0
 
Sept. 9, 2020, 11 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) 10.8 μg/m3 (45) 45.0
 
Sept. 9, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) 0.1 ppb (1) 40.0 μg/m3 (36) 9.6 μg/m3 (40) 46.0
 
Sept. 9, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) 0.1 ppb (1) 38.0 μg/m3 (35) 8.7 μg/m3 (36) 45.0
 
Sept. 9, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 0.1 ppb (1) 31.0 μg/m3 (28) 6.0 μg/m3 (25) 39.0
 
Sept. 9, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.1 ppb (1) 33.0 μg/m3 (30) 7.0 μg/m3 (29) 34.0
 
Sept. 9, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.1 ppb (1) 31.0 μg/m3 (28) 6.8 μg/m3 (28) 29.0
 
Sept. 9, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.1 ppb (1) 32.0 μg/m3 (29) 6.1 μg/m3 (25) 29.0
 
Sept. 9, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.1 ppb (1) 50.0 μg/m3 (45) 10.7 μg/m3 (45) 45.0
 
Sept. 9, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.2 ppb (2) 67.0 μg/m3 (56) 13.4 μg/m3 (53) 56.0
 
Sept. 9, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) 0.1 ppb (1) 64.0 μg/m3 (54) 9.6 μg/m3 (40) 54.0
 
Sept. 9, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) 0.1 ppb (1) 41.0 μg/m3 (37) 7.4 μg/m3 (31) 37.0
 
Sept. 9, 2020, noon N/A N/A N/A N/A N/A N/A 9.0 ppb (7) 0.1 ppb (1) 35.0 μg/m3 (32) 9.0 μg/m3 (38) 38.0
 
Sept. 9, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.1 ppb (1) 29.0 μg/m3 (26) 4.6 μg/m3 (19) 26.0
 
Sept. 9, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.0 ppb (0) 29.0 μg/m3 (26) 1.0 μg/m3 (4) 26.0
 
Sept. 9, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.0 ppb (0) 34.0 μg/m3 (31) 5.9 μg/m3 (25) 31.0
 
Sept. 9, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.0 ppb (0) 32.0 μg/m3 (29) 5.5 μg/m3 (23) 29.0
 
Sept. 9, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.0 ppb (0) 47.0 μg/m3 (43) 8.1 μg/m3 (34) 43.0
 
Sept. 9, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.0 ppb (0) 59.0 μg/m3 (52) 9.1 μg/m3 (38) 52.0
 
Sept. 9, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.0 ppb (0) 19.0 μg/m3 (17) 2.5 μg/m3 (10) 24.0
 
Sept. 9, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.0 ppb (0) 0.0 μg/m3 (0) 0.0 μg/m3 (0) 28.0
 
Sept. 9, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.0 ppb (0) 58.0 μg/m3 (52) 8.4 μg/m3 (35) 52.0
 
Sept. 9, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) 0.0 ppb (0) 119.0 μg/m3 (82) 15.6 μg/m3 (58) 82.0
 
Sept. 9, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 0.1 ppb (1) 229.0 μg/m3 (137) 26.6 μg/m3 (81) 137.0
 
Sept. 9, 2020, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (36) 0.1 ppb (1) 124.0 μg/m3 (84) 24.0 μg/m3 (76) 84.0
 
Sept. 8, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.2 ppb (2) 59.0 μg/m3 (52) 20.3 μg/m3 (68) 68.0
 
Sept. 8, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.2 ppb (2) 53.0 μg/m3 (48) 18.1 μg/m3 (63) 63.0
 
Sept. 8, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.1 ppb (1) 55.0 μg/m3 (50) 13.5 μg/m3 (53) 53.0
 
Sept. 8, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.1 ppb (1) 53.0 μg/m3 (48) 12.2 μg/m3 (50) 50.0
 
Sept. 8, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.1 ppb (1) 34.0 μg/m3 (31) 8.4 μg/m3 (35) 35.0
 
Sept. 8, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.1 ppb (1) 33.0 μg/m3 (30) 7.9 μg/m3 (33) 33.0