AQSQID: 040278011

Site Name: Yuma Supersite

Location: Yuma, AZ

Reporting: True, Located: True

Current AQI: 36.0

Yuma AZ, US: 32.690277, -114.614441

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 30.0 μg/m3 (27) 6.0 μg/m3 (25) 36.0
 
Sept. 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 39.0 μg/m3 (35) 7.0 μg/m3 (29) 35.0
 
Sept. 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 95.0 μg/m3 (70) 10.0 μg/m3 (42) 70.0
 
Sept. 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 57.0 μg/m3 (51) 7.0 μg/m3 (29) 51.0
 
Sept. 19, 2019, noon N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 28.0 μg/m3 (25) 6.0 μg/m3 (25) 29.0
 
Sept. 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 25.0 μg/m3 (23) 6.0 μg/m3 (25) 25.0
 
Sept. 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 17.0 μg/m3 (15) 5.0 μg/m3 (21) 31.0
 
Sept. 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 2.0 μg/m3 (8) 12.0
 
Sept. 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Sept. 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 42.0 μg/m3 (38) 11.0 μg/m3 (46) 46.0
 
Sept. 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 39.0 μg/m3 (35) 9.0 μg/m3 (38) 38.0
 
Sept. 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 40.0 μg/m3 (36) 11.0 μg/m3 (46) 46.0
 
Sept. 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 64.0 μg/m3 (54) 10.0 μg/m3 (42) 54.0
 
Sept. 19, 2019, 3 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) 9.0 μg/m3 (38) 51.0
 
Sept. 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 44.0 μg/m3 (40) 5.0 μg/m3 (21) 40.0
 
Sept. 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 57.0 μg/m3 (51) 4.0 μg/m3 (17) 51.0
 
Sept. 19, 2019, midnight N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 30.0 μg/m3 (27) 2.0 μg/m3 (8) 40.0
 
Sept. 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 36.0 μg/m3 (33) 1.0 μg/m3 (4) 41.0
 
Sept. 18, 2019, 10 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) 4.0 μg/m3 (17) 41.0
 
Sept. 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 40.0 μg/m3 (36) 6.0 μg/m3 (25) 40.0
 
Sept. 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 33.0 μg/m3 (30) 4.0 μg/m3 (17) 37.0
 
Sept. 18, 2019, 7 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) 4.0 μg/m3 (17) 37.0
 
Sept. 18, 2019, 6 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) 5.0 μg/m3 (21) 37.0
 
Sept. 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 24.0 μg/m3 (22) 5.0 μg/m3 (21) 35.0
 
Sept. 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 18.0 μg/m3 (16) 4.0 μg/m3 (17) 34.0
 
Sept. 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 69.0 μg/m3 (57) 9.0 μg/m3 (38) 57.0
 
Sept. 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 106.0 μg/m3 (76) 14.0 μg/m3 (54) 76.0
 
Sept. 18, 2019, 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) 13.0 μg/m3 (52) 60.0
 
Sept. 18, 2019, noon N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 47.0 μg/m3 (43) 5.0 μg/m3 (21) 43.0
 
Sept. 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 30.0 μg/m3 (27) 5.0 μg/m3 (21) 27.0
 
Sept. 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 19.0 μg/m3 (17) 3.0 μg/m3 (12) 22.0
 
Sept. 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 17.0 μg/m3 (15) 2.0 μg/m3 (8) 25.0
 
Sept. 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 18.0 μg/m3 (16) 4.0 μg/m3 (17) 26.0
 
Sept. 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 18.0 μg/m3 (16) 3.0 μg/m3 (12) 26.0
 
Sept. 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 24.0 μg/m3 (22) 1.0 μg/m3 (4) 28.0
 
Sept. 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 63.0 μg/m3 (54) 2.0 μg/m3 (8) 54.0
 
Sept. 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 17.0 μg/m3 (15) 5.0 μg/m3 (21) 33.0
 
Sept. 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 40.0 μg/m3 (36) 6.0 μg/m3 (25) 36.0
 
Sept. 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 53.0 μg/m3 (48) 3.0 μg/m3 (12) 48.0
 
Sept. 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 45.0 μg/m3 (41) 5.0 μg/m3 (21) 41.0
 
Sept. 18, 2019, midnight N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 22.0 μg/m3 (20) 7.0 μg/m3 (29) 40.0
 
Sept. 17, 2019, 11 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) 5.0 μg/m3 (21) 36.0
 
Sept. 17, 2019, 10 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) 4.0 μg/m3 (17) 36.0
 
Sept. 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 95.0 μg/m3 (70) 2.0 μg/m3 (8) 70.0
 
Sept. 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 25.0 μg/m3 (23) 2.0 μg/m3 (8) 36.0
 
Sept. 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 24.0 μg/m3 (22) 4.0 μg/m3 (17) 38.0
 
Sept. 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 23.0 μg/m3 (21) 6.0 μg/m3 (25) 35.0
 
Sept. 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 30.0 μg/m3 (27) 7.0 μg/m3 (29) 32.0
 
Sept. 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 23.0 μg/m3 (21) 6.0 μg/m3 (25) 32.0
 
Sept. 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 24.0 μg/m3 (22) 7.0 μg/m3 (29) 29.0
 
Sept. 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 28.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
Sept. 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 48.0 μg/m3 (44) 10.0 μg/m3 (42) 44.0
 
Sept. 17, 2019, noon N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 29.0 μg/m3 (26) 9.0 μg/m3 (38) 38.0
 
Sept. 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 16.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Sept. 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 18.0 μg/m3 (16) 8.0 μg/m3 (33) 33.0
 
Sept. 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 17.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
Sept. 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 18.0 μg/m3 (16) 7.0 μg/m3 (29) 29.0
 
Sept. 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 56.0 μg/m3 (50) 9.0 μg/m3 (38) 50.0
 
Sept. 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 97.0 μg/m3 (71) 9.0 μg/m3 (38) 71.0
 
Sept. 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 107.0 μg/m3 (76) 12.0 μg/m3 (50) 76.0
 
Sept. 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 83.0 μg/m3 (64) 19.0 μg/m3 (65) 65.0
 
Sept. 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 74.0 μg/m3 (60) 13.0 μg/m3 (52) 60.0
 
Sept. 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 61.0 μg/m3 (53) 7.0 μg/m3 (29) 53.0
 
Sept. 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 40.0 μg/m3 (36) 5.0 μg/m3 (21) 36.0
 
Sept. 17, 2019, midnight N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 28.0 μg/m3 (25) 6.0 μg/m3 (25) 32.0
 
Sept. 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 28.0 μg/m3 (25) 6.0 μg/m3 (25) 32.0
 
Sept. 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 23.0 μg/m3 (21) 6.0 μg/m3 (25) 28.0
 
Sept. 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 20.0 μg/m3 (18) 7.0 μg/m3 (29) 29.0
 
Sept. 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 17.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Sept. 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 24.0 μg/m3 (22) 9.0 μg/m3 (38) 38.0
 
Sept. 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 22.0 μg/m3 (20) 7.0 μg/m3 (29) 29.0
 
Sept. 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 20.0 μg/m3 (18) 9.0 μg/m3 (38) 38.0
 
Sept. 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 64.0 μg/m3 (54) 7.0 μg/m3 (29) 54.0
 
Sept. 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 25.0 μg/m3 (23) 8.0 μg/m3 (33) 33.0
 
Sept. 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 28.0 μg/m3 (25) 8.0 μg/m3 (33) 33.0
 
Sept. 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 16.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Sept. 16, 2019, noon N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 17.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
Sept. 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 18.0
 
Sept. 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 17.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 23.0 μg/m3 (21) 7.0 μg/m3 (29) 29.0
 
Sept. 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 23.0 μg/m3 (21) 7.0 μg/m3 (29) 29.0
 
Sept. 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 20.0 μg/m3 (18) 8.0 μg/m3 (33) 33.0
 
Sept. 16, 2019, 6 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) 11.0 μg/m3 (46) 46.0
 
Sept. 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 16.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Sept. 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 19.0 μg/m3 (17) 6.0 μg/m3 (25) 26.0
 
Sept. 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 25.0 μg/m3 (23) 7.0 μg/m3 (29) 29.0
 
Sept. 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 38.0 μg/m3 (35) 7.0 μg/m3 (29) 35.0
 
Sept. 16, 2019, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 16.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
Sept. 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 18.0 μg/m3 (16) 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2019, 10 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) 6.0 μg/m3 (25) 28.0
 
Sept. 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 16.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 16.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 18.0 μg/m3 (16) 6.0 μg/m3 (25) 28.0
 
Sept. 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 28.0
 
Sept. 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 18.0 μg/m3 (16) 6.0 μg/m3 (25) 30.0
 
Sept. 15, 2019, 4 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) 4.0 μg/m3 (17) 29.0
 
Sept. 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 29.0
 
Sept. 15, 2019, 2 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) 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 14.0 μg/m3 (13) 8.0 μg/m3 (33) 33.0
 
Sept. 15, 2019, noon N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 20.0 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 19.0 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 20.0 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 28.0 μg/m3 (25) 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 23.0 μg/m3 (21) 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 28.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 35.0 μg/m3 (32) 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 44.0 μg/m3 (40) 11.0 μg/m3 (46) 46.0
 
Sept. 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 61.0 μg/m3 (53) 10.0 μg/m3 (42) 53.0
 
Sept. 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 74.0 μg/m3 (60) 14.0 μg/m3 (54) 60.0
 
Sept. 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 79.0 μg/m3 (62) 11.0 μg/m3 (46) 62.0
 
Sept. 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A 41.0 μg/m3 (37) 10.0 μg/m3 (42) 44.0
 
Sept. 15, 2019, midnight N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A 38.0 μg/m3 (35) 8.0 μg/m3 (33) 45.0
 
Sept. 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A 31.0 μg/m3 (28) 10.0 μg/m3 (42) 45.0
 
Sept. 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A 31.0 μg/m3 (28) 5.0 μg/m3 (21) 45.0
 
Sept. 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 29.0 μg/m3 (26) 6.0 μg/m3 (25) 42.0
 
Sept. 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 35.0 μg/m3 (32) 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 51.0 μg/m3 (46) 10.0 μg/m3 (42) 46.0
 
Sept. 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 35.0 μg/m3 (32) 13.0 μg/m3 (52) 52.0
 
Sept. 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 34.0 μg/m3 (31) 6.0 μg/m3 (25) 36.0
 
Sept. 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 118.0 μg/m3 (82) 16.0 μg/m3 (59) 82.0
 
Sept. 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 44.0 μg/m3 (40) 8.0 μg/m3 (33) 40.0
 
Sept. 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 35.0 μg/m3 (32) 7.0 μg/m3 (29) 32.0
 
Sept. 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 52.0 μg/m3 (47) 9.0 μg/m3 (38) 47.0
 
Sept. 14, 2019, noon N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 56.0 μg/m3 (50) 21.0 μg/m3 (69) 69.0
 
Sept. 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 107.0 μg/m3 (76) 27.0 μg/m3 (82) 82.0
 
Sept. 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 61.0 μg/m3 (53) 16.0 μg/m3 (59) 59.0
 
Sept. 14, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 64.0 μg/m3 (54) 19.0 μg/m3 (65) 65.0
 
Sept. 14, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 86.0 μg/m3 (66) 26.0 μg/m3 (80) 80.0
 
Sept. 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 94.0 μg/m3 (70) 25.0 μg/m3 (78) 78.0
 
Sept. 14, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 89.0 μg/m3 (67) 16.0 μg/m3 (59) 67.0
 
Sept. 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 79.0 μg/m3 (62) 20.0 μg/m3 (67) 67.0
 
Sept. 14, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 88.0 μg/m3 (66) 19.0 μg/m3 (65) 66.0
 
Sept. 14, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 90.0 μg/m3 (68) 11.0 μg/m3 (46) 68.0
 
Sept. 14, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 85.0 μg/m3 (65) 6.0 μg/m3 (25) 65.0
 
Sept. 14, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 31.0 μg/m3 (28) 4.0 μg/m3 (17) 35.0
 
Sept. 14, 2019, midnight N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 22.0 μg/m3 (20) 6.0 μg/m3 (25) 38.0
 
Sept. 13, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 34.0 μg/m3 (31) 7.0 μg/m3 (29) 39.0
 
Sept. 13, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 18.0 μg/m3 (16) 5.0 μg/m3 (21) 40.0
 
Sept. 13, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 18.0 μg/m3 (16) 3.0 μg/m3 (12) 39.0
 
Sept. 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 44.0 μg/m3 (40) 5.0 μg/m3 (21) 40.0
 
Sept. 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 20.0 μg/m3 (18) 3.0 μg/m3 (12) 39.0
 
Sept. 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 42.0 μg/m3 (38) 6.0 μg/m3 (25) 38.0
 
Sept. 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 31.0 μg/m3 (28) 8.0 μg/m3 (33) 36.0
 
Sept. 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 31.0 μg/m3 (28) 4.0 μg/m3 (17) 33.0
 
Sept. 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 41.0 μg/m3 (37) 7.0 μg/m3 (29) 37.0
 
Sept. 13, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 51.0 μg/m3 (46) 11.0 μg/m3 (46) 46.0
 
Sept. 13, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 75.0 μg/m3 (60) 11.0 μg/m3 (46) 60.0
 
Sept. 13, 2019, noon N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 53.0 μg/m3 (48) 8.0 μg/m3 (33) 48.0
 
Sept. 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 44.0 μg/m3 (40) 8.0 μg/m3 (33) 40.0
 
Sept. 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 143.0 μg/m3 (94) 12.0 μg/m3 (50) 94.0
 
Sept. 13, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 53.0 μg/m3 (48) 8.0 μg/m3 (33) 48.0
 
Sept. 13, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 40.0 μg/m3 (36) 5.0 μg/m3 (21) 36.0
 
Sept. 13, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 46.0 μg/m3 (42) 17.0 μg/m3 (61) 61.0
 
Sept. 13, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 42.0 μg/m3 (38) 15.0 μg/m3 (56) 56.0
 
Sept. 13, 2019, 5 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) 11.0 μg/m3 (46) 47.0
 
Sept. 13, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 46.0 μg/m3 (42) 10.0 μg/m3 (42) 42.0
 
Sept. 13, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 55.0 μg/m3 (50) 10.0 μg/m3 (42) 50.0
 
Sept. 13, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 45.0 μg/m3 (41) 6.0 μg/m3 (25) 41.0
 
Sept. 13, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 44.0 μg/m3 (40) 7.0 μg/m3 (29) 40.0
 
Sept. 13, 2019, midnight N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 29.0 μg/m3 (26) 8.0 μg/m3 (33) 34.0
 
Sept. 12, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 35.0 μg/m3 (32) 7.0 μg/m3 (29) 35.0
 
Sept. 12, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 22.0 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
Sept. 12, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 18.0 μg/m3 (16) 6.0 μg/m3 (25) 33.0
 
Sept. 12, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 18.0 μg/m3 (16) 8.0 μg/m3 (33) 33.0
 
Sept. 12, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 31.0 μg/m3 (28) 9.0 μg/m3 (38) 38.0
 
Sept. 12, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 94.0 μg/m3 (70) 9.0 μg/m3 (38) 70.0
 
Sept. 12, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 64.0 μg/m3 (54) 11.0 μg/m3 (46) 54.0