AQSQID: 040278011

Site Name: Yuma Supersite

Location: Yuma (Arc Center), AZ

Reporting: True, Located: True

Current AQI: 29.0

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
April 8, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A -1.0 μg/m3 (0) 7.0 μg/m3 (29) 29.0
 
April 8, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A -1.0 μg/m3 (0) 2.0 μg/m3 (8) 25.0
 
April 8, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 2.0 μg/m3 (2) 6.0 μg/m3 (25) 26.0
 
April 8, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 2.0 μg/m3 (2) 3.0 μg/m3 (12) 26.0
 
April 8, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 1.0 μg/m3 (1) 2.0 μg/m3 (8) 25.0
 
April 8, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 0.0 μg/m3 (0) 2.0 μg/m3 (8) 25.0
 
April 8, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 0.0 μg/m3 (0) 1.0 μg/m3 (4) 29.0
 
April 8, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 1.0 μg/m3 (1) 2.0 μg/m3 (8) 32.0
 
April 8, 2020, midnight N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A -1.0 μg/m3 (0) 2.0 μg/m3 (8) 32.0
 
April 7, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A -1.0 μg/m3 (0) 1.0 μg/m3 (4) 32.0
 
April 7, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 1.0 μg/m3 (1) 2.0 μg/m3 (8) 31.0
 
April 7, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 3.0 μg/m3 (12) 12.0
 
April 7, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
April 7, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 0.0 μg/m3 (0) 2.0
 
April 7, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) -1.0 μg/m3 (0) 3.0
 
April 7, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) -1.0 μg/m3 (0) 1.0
 
April 7, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A -2.0 μg/m3 (0) N/A
April 7, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.0 μg/m3 (0) N/A
April 7, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 7, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
April 7, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.0 μg/m3 (0) N/A
April 7, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) -2.0 μg/m3 (0) 3.0
 
April 7, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) -1.0 μg/m3 (0) 5.0
 
April 7, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) -1.0 μg/m3 (0) 5.0
 
April 7, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 0.0 μg/m3 (0) 2.0
 
April 7, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 1.0 μg/m3 (4) 4.0
 
April 7, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
April 7, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
April 7, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
April 6, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
April 6, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
April 6, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
April 6, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 3.0 μg/m3 (12) 30.0
 
April 6, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
April 6, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 2.0 μg/m3 (8) 25.0
 
April 6, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 6.0 μg/m3 (25) 25.0
 
April 6, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 8.0 μg/m3 (33) 33.0
 
April 6, 2020, noon N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 22.0 μg/m3 (20) 5.0 μg/m3 (21) 22.0
 
April 6, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 11.0 μg/m3 (10) 5.0 μg/m3 (21) 27.0
 
April 6, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 28.0
 
April 6, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 12.0 μg/m3 (11) 1.0 μg/m3 (4) 27.0
 
April 6, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 36.0 μg/m3 (33) 2.0 μg/m3 (8) 33.0
 
April 6, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 72.0 μg/m3 (58) 3.0 μg/m3 (12) 58.0
 
April 6, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 58.0 μg/m3 (52) 2.0 μg/m3 (8) 52.0
 
April 6, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 117.0 μg/m3 (81) 16.0 μg/m3 (59) 81.0
 
April 6, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 107.0 μg/m3 (76) 16.0 μg/m3 (59) 76.0
 
April 6, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 24.0 μg/m3 (22) 7.0 μg/m3 (29) 29.0
 
April 6, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 40.0 μg/m3 (36) 5.0 μg/m3 (21) 36.0
 
April 6, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 29.0 μg/m3 (26) 2.0 μg/m3 (8) 31.0
 
April 6, 2020, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 16.0 μg/m3 (15) 1.0 μg/m3 (4) 31.0
 
April 5, 2020, 11 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) 4.0 μg/m3 (17) 32.0
 
April 5, 2020, 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) 5.0 μg/m3 (21) 32.0
 
April 5, 2020, 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) 5.0 μg/m3 (21) 34.0
 
April 5, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 17.0 μg/m3 (15) 4.0 μg/m3 (17) 35.0
 
April 5, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 13.0 μg/m3 (12) 4.0 μg/m3 (17) 34.0
 
April 5, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 17.0 μg/m3 (15) 5.0 μg/m3 (21) 32.0
 
April 5, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 35.0 μg/m3 (32) 5.0 μg/m3 (21) 32.0
 
April 5, 2020, 4 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) 7.0 μg/m3 (29) 29.0
 
April 5, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 18.0 μg/m3 (16) 7.0 μg/m3 (29) 29.0
 
April 5, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 18.0 μg/m3 (16) 5.0 μg/m3 (21) 25.0
 
April 5, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 12.0 μg/m3 (11) 6.0 μg/m3 (25) 27.0
 
April 5, 2020, noon N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 22.0 μg/m3 (20) 8.0 μg/m3 (33) 33.0
 
April 5, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 18.0 μg/m3 (16) 11.0 μg/m3 (46) 46.0
 
April 5, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 24.0 μg/m3 (22) 10.0 μg/m3 (42) 42.0
 
April 5, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 25.0 μg/m3 (23) 9.0 μg/m3 (38) 38.0
 
April 5, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 13.0 μg/m3 (12) 8.0 μg/m3 (33) 33.0
 
April 5, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 16.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
April 5, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 23.0 μg/m3 (21) 6.0 μg/m3 (25) 26.0
 
April 5, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 25.0 μg/m3 (23) 8.0 μg/m3 (33) 33.0
 
April 5, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 38.0 μg/m3 (35) 10.0 μg/m3 (42) 42.0
 
April 5, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 42.0 μg/m3 (38) 15.0 μg/m3 (56) 56.0
 
April 5, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 39.0 μg/m3 (35) 6.0 μg/m3 (25) 35.0
 
April 5, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 13.0 μg/m3 (12) 5.0 μg/m3 (21) 38.0
 
April 5, 2020, midnight N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 12.0 μg/m3 (11) 4.0 μg/m3 (17) 40.0
 
April 4, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 42.0
 
April 4, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 18.0 μg/m3 (16) 6.0 μg/m3 (25) 42.0
 
April 4, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 18.0 μg/m3 (16) 7.0 μg/m3 (29) 41.0
 
April 4, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 40.0
 
April 4, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 20.0 μg/m3 (18) 5.0 μg/m3 (21) 41.0
 
April 4, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 30.0 μg/m3 (27) 6.0 μg/m3 (25) 41.0
 
April 4, 2020, 5 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) 8.0 μg/m3 (33) 40.0
 
April 4, 2020, 4 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
 
April 4, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 42.0 μg/m3 (38) 11.0 μg/m3 (46) 46.0
 
April 4, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 39.0 μg/m3 (35) 13.0 μg/m3 (52) 52.0
 
April 4, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 31.0 μg/m3 (28) 14.0 μg/m3 (54) 54.0
 
April 4, 2020, noon N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 36.0 μg/m3 (33) 16.0 μg/m3 (59) 59.0
 
April 4, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 24.0 μg/m3 (22) 14.0 μg/m3 (54) 54.0
 
April 4, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 18.0 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
April 4, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 23.0 μg/m3 (21) 10.0 μg/m3 (42) 42.0
 
April 4, 2020, 8 a.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
 
April 4, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 23.0 μg/m3 (21) 11.0 μg/m3 (46) 46.0
 
April 4, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 33.0 μg/m3 (30) 8.0 μg/m3 (33) 34.0
 
April 4, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 45.0 μg/m3 (41) 17.0 μg/m3 (61) 61.0
 
April 4, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 47.0 μg/m3 (43) 14.0 μg/m3 (54) 54.0
 
April 4, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 41.0 μg/m3 (37) 7.0 μg/m3 (29) 37.0
 
April 4, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 36.0 μg/m3 (33) 8.0 μg/m3 (33) 37.0
 
April 4, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A 25.0 μg/m3 (23) 5.0 μg/m3 (21) 48.0
 
April 4, 2020, midnight N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A 25.0 μg/m3 (23) 1.0 μg/m3 (4) 48.0
 
April 3, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A 23.0 μg/m3 (21) 3.0 μg/m3 (12) 48.0
 
April 3, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A 24.0 μg/m3 (22) 5.0 μg/m3 (21) 46.0
 
April 3, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A 16.0 μg/m3 (15) 3.0 μg/m3 (12) 45.0
 
April 3, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A 23.0 μg/m3 (21) 5.0 μg/m3 (21) 44.0
 
April 3, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 31.0 μg/m3 (28) 6.0 μg/m3 (25) 42.0
 
April 3, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 30.0 μg/m3 (27) 4.0 μg/m3 (17) 38.0
 
April 3, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 42.0 μg/m3 (38) 6.0 μg/m3 (25) 38.0
 
April 3, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 42.0 μg/m3 (38) 6.0 μg/m3 (25) 38.0
 
April 3, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 53.0 μg/m3 (48) 8.0 μg/m3 (33) 48.0
 
April 3, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 97.0 μg/m3 (71) 10.0 μg/m3 (42) 71.0
 
April 3, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 100.0 μg/m3 (72) 17.0 μg/m3 (61) 72.0
 
April 3, 2020, noon N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 47.0 μg/m3 (43) 13.0 μg/m3 (52) 52.0
 
April 3, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 42.0 μg/m3 (38) 12.0 μg/m3 (50) 50.0
 
April 3, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 23.0 μg/m3 (21) 11.0 μg/m3 (46) 46.0
 
April 3, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 27.0 μg/m3 (25) 7.0 μg/m3 (29) 34.0
 
April 3, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 28.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
April 3, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 23.0 μg/m3 (21) 10.0 μg/m3 (42) 42.0
 
April 3, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 30.0 μg/m3 (27) 10.0 μg/m3 (42) 42.0
 
April 3, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 30.0 μg/m3 (27) 10.0 μg/m3 (42) 42.0
 
April 3, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 47.0 μg/m3 (43) 11.0 μg/m3 (46) 46.0
 
April 3, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 27.0 μg/m3 (25) 8.0 μg/m3 (33) 34.0
 
April 3, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 24.0 μg/m3 (22) 6.0 μg/m3 (25) 35.0
 
April 3, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 23.0 μg/m3 (21) 5.0 μg/m3 (21) 38.0
 
April 3, 2020, midnight N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 48.0 μg/m3 (44) 4.0 μg/m3 (17) 44.0
 
April 2, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 20.0 μg/m3 (18) 5.0 μg/m3 (21) 41.0
 
April 2, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 39.0 μg/m3 (35) 9.0 μg/m3 (38) 40.0
 
April 2, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 30.0 μg/m3 (27) 6.0 μg/m3 (25) 41.0
 
April 2, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 30.0 μg/m3 (27) 8.0 μg/m3 (33) 39.0
 
April 2, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 29.0 μg/m3 (26) 8.0 μg/m3 (33) 38.0
 
April 2, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 23.0 μg/m3 (21) 8.0 μg/m3 (33) 34.0
 
April 2, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 38.0 μg/m3 (35) 12.0 μg/m3 (50) 50.0
 
April 2, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 27.0 μg/m3 (25) 7.0 μg/m3 (29) 29.0
 
April 2, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 30.0 μg/m3 (27) 12.0 μg/m3 (50) 50.0
 
April 2, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 30.0 μg/m3 (27) 10.0 μg/m3 (42) 42.0
 
April 2, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 81.0 μg/m3 (63) 14.0 μg/m3 (54) 63.0
 
April 2, 2020, noon N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 46.0 μg/m3 (42) 12.0 μg/m3 (50) 50.0
 
April 2, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 20.0 μg/m3 (18) 17.0 μg/m3 (61) 61.0
 
April 2, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 17.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
April 2, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 13.0 μg/m3 (12) 8.0 μg/m3 (33) 33.0
 
April 2, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 12.0 μg/m3 (11) 6.0 μg/m3 (25) 31.0
 
April 2, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 13.0 μg/m3 (12) 6.0 μg/m3 (25) 32.0
 
April 2, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 11.0 μg/m3 (10) 5.0 μg/m3 (21) 33.0
 
April 2, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 11.0 μg/m3 (10) 6.0 μg/m3 (25) 35.0
 
April 2, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 9.0 μg/m3 (8) 6.0 μg/m3 (25) 34.0
 
April 2, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 19.0 μg/m3 (17) 7.0 μg/m3 (29) 31.0
 
April 2, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 24.0 μg/m3 (22) 8.0 μg/m3 (33) 34.0
 
April 2, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 48.0 μg/m3 (44) 10.0 μg/m3 (42) 44.0
 
April 2, 2020, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 50.0 μg/m3 (45) 7.0 μg/m3 (29) 45.0
 
April 1, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 28.0 μg/m3 (25) 6.0 μg/m3 (25) 39.0
 
April 1, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 17.0 μg/m3 (15) 8.0 μg/m3 (33) 41.0
 
April 1, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 17.0 μg/m3 (15) 6.0 μg/m3 (25) 41.0
 
April 1, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 40.0
 
April 1, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 39.0
 
April 1, 2020, 6 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) 5.0 μg/m3 (21) 38.0
 
April 1, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 24.0 μg/m3 (22) 6.0 μg/m3 (25) 32.0
 
April 1, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 67.0 μg/m3 (56) 9.0 μg/m3 (38) 56.0
 
April 1, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 128.0 μg/m3 (86) 15.0 μg/m3 (56) 86.0
 
April 1, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 133.0 μg/m3 (89) 19.0 μg/m3 (65) 89.0
 
April 1, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 116.0 μg/m3 (80) 18.0 μg/m3 (63) 80.0
 
April 1, 2020, noon N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 80.0 μg/m3 (62) 12.0 μg/m3 (50) 62.0
 
April 1, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 28.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
April 1, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 38.0 μg/m3 (35) 13.0 μg/m3 (52) 52.0
 
April 1, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 62.0 μg/m3 (54) 15.0 μg/m3 (56) 56.0
 
April 1, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 64.0 μg/m3 (54) 15.0 μg/m3 (56) 56.0
 
April 1, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 51.0 μg/m3 (46) 14.0 μg/m3 (54) 54.0
 
April 1, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 58.0 μg/m3 (52) 19.0 μg/m3 (65) 65.0
 
April 1, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 38.0 μg/m3 (35) 15.0 μg/m3 (56) 56.0
 
April 1, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 31.0 μg/m3 (28) 8.0 μg/m3 (33) 33.0
 
April 1, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 28.0 μg/m3 (25) 8.0 μg/m3 (33) 33.0
 
April 1, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 30.0 μg/m3 (27) 7.0 μg/m3 (29) 29.0