ID: 2085

AQSQID: 040278011

Site Name: Yuma Supersite

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

Updated: March 1, 2021, 7:32 p.m.

Location: Yuma (Arc Center), AZ

Reporting: True, Located: True

Current AQI: 53.0

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
March 1, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 31.0 μg/m3 (29) 13.0 μg/m3 (53) 53.0
 
March 1, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 28.0 μg/m3 (26) 5.0 μg/m3 (21) 38.0
 
March 1, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 41.0 μg/m3 (38) 6.0 μg/m3 (25) 38.0
 
March 1, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 42.0 μg/m3 (39) 6.0 μg/m3 (25) 39.0
 
March 1, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 18.0 μg/m3 (17) 8.0 μg/m3 (34) 34.0
 
March 1, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 38.0 μg/m3 (36) 7.0 μg/m3 (30) 36.0
 
March 1, 2021, noon N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 22.0 μg/m3 (21) 8.0 μg/m3 (34) 34.0
 
March 1, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 24.0 μg/m3 (23) 4.0 μg/m3 (17) 23.0
 
March 1, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (13) 30.0
 
March 1, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 7.0 μg/m3 (7) 2.0 μg/m3 (9) 36.0
 
March 1, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 11.0 μg/m3 (11) 3.0 μg/m3 (13) 35.0
 
March 1, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 8.0 μg/m3 (8) 4.0 μg/m3 (17) 31.0
 
March 1, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 18.0 μg/m3 (17) 4.0 μg/m3 (17) 34.0
 
March 1, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 16.0 μg/m3 (15) 6.0 μg/m3 (25) 28.0
 
March 1, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 16.0 μg/m3 (15) 7.0 μg/m3 (30) 30.0
 
March 1, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 13.0 μg/m3 (13) 5.0 μg/m3 (21) 30.0
 
March 1, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 38.0
 
March 1, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 9.0 μg/m3 (9) 3.0 μg/m3 (13) 42.0
 
March 1, 2021, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 14.0 μg/m3 (13) 2.0 μg/m3 (9) 44.0
 
Feb. 28, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 13.0 μg/m3 (13) 3.0 μg/m3 (13) 44.0
 
Feb. 28, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 25.0 μg/m3 (24) 4.0 μg/m3 (17) 44.0
 
Feb. 28, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 45.0 μg/m3 (42) 6.0 μg/m3 (25) 44.0
 
Feb. 28, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 88.0 μg/m3 (68) 5.0 μg/m3 (21) 68.0
 
Feb. 28, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 46.0 μg/m3 (43) 5.0 μg/m3 (21) 43.0
 
Feb. 28, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 77.0 μg/m3 (62) 5.0 μg/m3 (21) 62.0
 
Feb. 28, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 74.0 μg/m3 (61) 6.0 μg/m3 (25) 61.0
 
Feb. 28, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 149.0 μg/m3 (98) 12.0 μg/m3 (50) 98.0
 
Feb. 28, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 31.0 μg/m3 (29) 8.0 μg/m3 (34) 40.0
 
Feb. 28, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 75.0 μg/m3 (61) 5.0 μg/m3 (21) 61.0
 
Feb. 28, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 27.0 μg/m3 (25) 2.0 μg/m3 (9) 39.0
 
Feb. 28, 2021, noon N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 36.0 μg/m3 (34) 4.0 μg/m3 (17) 38.0
 
Feb. 28, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 48.0 μg/m3 (45) 4.0 μg/m3 (17) 45.0
 
Feb. 28, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 27.0 μg/m3 (25) 4.0 μg/m3 (17) 40.0
 
Feb. 28, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 19.0 μg/m3 (18) 2.0 μg/m3 (9) 37.0
 
Feb. 28, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 17.0 μg/m3 (16) 3.0 μg/m3 (13) 35.0
 
Feb. 28, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 25.0 μg/m3 (24) 8.0 μg/m3 (34) 35.0
 
Feb. 28, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 47.0 μg/m3 (44) 8.0 μg/m3 (34) 44.0
 
Feb. 28, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 73.0 μg/m3 (60) 11.0 μg/m3 (46) 60.0
 
Feb. 28, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 55.0 μg/m3 (51) 15.0 μg/m3 (58) 58.0
 
Feb. 28, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 67.0 μg/m3 (57) 9.0 μg/m3 (38) 57.0
 
Feb. 28, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 73.0 μg/m3 (60) 16.0 μg/m3 (60) 60.0
 
Feb. 28, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 55.0 μg/m3 (51) 11.0 μg/m3 (46) 51.0
 
Feb. 28, 2021, midnight N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 52.0 μg/m3 (49) 9.0 μg/m3 (38) 49.0
 
Feb. 27, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 47.0 μg/m3 (44) 10.0 μg/m3 (42) 48.0
 
Feb. 27, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 36.0 μg/m3 (34) 8.0 μg/m3 (34) 48.0
 
Feb. 27, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 96.0 μg/m3 (72) 8.0 μg/m3 (34) 72.0
 
Feb. 27, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 31.0 μg/m3 (29) 4.0 μg/m3 (17) 49.0
 
Feb. 27, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 24.0 μg/m3 (23) 7.0 μg/m3 (30) 50.0
 
Feb. 27, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 35.0 μg/m3 (33) 9.0 μg/m3 (38) 43.0
 
Feb. 27, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 59.0 μg/m3 (53) 9.0 μg/m3 (38) 53.0
 
Feb. 27, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 58.0 μg/m3 (53) 11.0 μg/m3 (46) 53.0
 
Feb. 27, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 64.0 μg/m3 (56) 10.0 μg/m3 (42) 56.0
 
Feb. 27, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 45.0 μg/m3 (42) 9.0 μg/m3 (38) 42.0
 
Feb. 27, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 75.0 μg/m3 (61) 14.0 μg/m3 (55) 61.0
 
Feb. 27, 2021, noon N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 70.0 μg/m3 (59) 12.0 μg/m3 (50) 59.0
 
Feb. 27, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 61.0 μg/m3 (54) 9.0 μg/m3 (38) 54.0
 
Feb. 27, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 31.0 μg/m3 (29) 6.0 μg/m3 (25) 29.0
 
Feb. 27, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 20.0 μg/m3 (19) 4.0 μg/m3 (17) 35.0
 
Feb. 27, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 20.0 μg/m3 (19) 6.0 μg/m3 (25) 34.0
 
Feb. 27, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 27.0 μg/m3 (25) 5.0 μg/m3 (21) 25.0
 
Feb. 27, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 80.0 μg/m3 (64) 21.0 μg/m3 (70) 70.0
 
Feb. 27, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 57.0 μg/m3 (52) 16.0 μg/m3 (60) 60.0
 
Feb. 27, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 42.0 μg/m3 (39) 13.0 μg/m3 (53) 53.0
 
Feb. 27, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 55.0 μg/m3 (51) 12.0 μg/m3 (50) 51.0
 
Feb. 27, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 55.0 μg/m3 (51) 17.0 μg/m3 (62) 62.0
 
Feb. 27, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 39.0 μg/m3 (37) 5.0 μg/m3 (21) 37.0
 
Feb. 27, 2021, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 17.0 μg/m3 (16) 5.0 μg/m3 (21) 43.0
 
Feb. 26, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 9.0 μg/m3 (9) 2.0 μg/m3 (9) 45.0
 
Feb. 26, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 1.0 μg/m3 (5) 11.0
 
Feb. 26, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 3.0 μg/m3 (13) 13.0
 
Feb. 26, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) -1.0 μg/m3 (0) 13.0
 
Feb. 26, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 7.0 μg/m3 (7) -1.0 μg/m3 (0) 42.0
 
Feb. 26, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 30.0 μg/m3 (28) 3.0 μg/m3 (13) 40.0
 
Feb. 26, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 30.0 μg/m3 (28) 5.0 μg/m3 (21) 38.0
 
Feb. 26, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 45.0 μg/m3 (42) 3.0 μg/m3 (13) 42.0
 
Feb. 26, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 38.0 μg/m3 (36) 7.0 μg/m3 (30) 36.0
 
Feb. 26, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 48.0 μg/m3 (45) 9.0 μg/m3 (38) 45.0
 
Feb. 26, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 35.0 μg/m3 (33) 5.0 μg/m3 (21) 33.0
 
Feb. 26, 2021, noon N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 86.0 μg/m3 (67) 16.0 μg/m3 (60) 67.0
 
Feb. 26, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 45.0 μg/m3 (42) 13.0 μg/m3 (53) 53.0
 
Feb. 26, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 28.0 μg/m3 (26) 10.0 μg/m3 (42) 42.0
 
Feb. 26, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 28.0 μg/m3 (26) 8.0 μg/m3 (34) 34.0
 
Feb. 26, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 18.0 μg/m3 (17) 7.0 μg/m3 (30) 30.0
 
Feb. 26, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 23.0 μg/m3 (22) 7.0 μg/m3 (30) 30.0
 
Feb. 26, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 22.0 μg/m3 (21) 6.0 μg/m3 (25) 25.0
 
Feb. 26, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 17.0 μg/m3 (16) 6.0 μg/m3 (25) 29.0
 
Feb. 26, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 12.0 μg/m3 (12) 5.0 μg/m3 (21) 39.0
 
Feb. 26, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 41.0
 
Feb. 26, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 20.0 μg/m3 (19) 5.0 μg/m3 (21) 39.0
 
Feb. 26, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 22.0 μg/m3 (21) 4.0 μg/m3 (17) 41.0
 
Feb. 26, 2021, midnight N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 19.0 μg/m3 (18) 1.0 μg/m3 (5) 46.0
 
Feb. 25, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 47.0 μg/m3 (44) 1.0 μg/m3 (5) 47.0
 
Feb. 25, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 40.0 μg/m3 (38) 4.0 μg/m3 (17) 47.0
 
Feb. 25, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 34.0 μg/m3 (32) 4.0 μg/m3 (17) 45.0
 
Feb. 25, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 27.0 μg/m3 (25) 3.0 μg/m3 (13) 45.0
 
Feb. 25, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 94.0 μg/m3 (71) 6.0 μg/m3 (25) 71.0
 
Feb. 25, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 128.0 μg/m3 (88) 8.0 μg/m3 (34) 88.0
 
Feb. 25, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 255.0 μg/m3 (151) 22.0 μg/m3 (72) 151.0
 
Feb. 25, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 280.0 μg/m3 (164) 22.0 μg/m3 (72) 164.0
 
Feb. 25, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 365.0 μg/m3 (216) 26.0 μg/m3 (81) 216.0
 
Feb. 25, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 141.0 μg/m3 (94) 12.0 μg/m3 (50) 94.0
 
Feb. 25, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 163.0 μg/m3 (105) 17.0 μg/m3 (62) 105.0
 
Feb. 25, 2021, noon N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 111.0 μg/m3 (79) 9.0 μg/m3 (38) 79.0
 
Feb. 25, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 189.0 μg/m3 (118) 11.0 μg/m3 (46) 118.0
 
Feb. 25, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 228.0 μg/m3 (138) 17.0 μg/m3 (62) 138.0
 
Feb. 25, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 45.0 μg/m3 (42) 8.0 μg/m3 (34) 42.0
 
Feb. 25, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 10.0 μg/m3 (42) 42.0
 
Feb. 25, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 10.0 μg/m3 (42) 42.0
 
Feb. 25, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 12.0 μg/m3 (50) 50.0
 
Feb. 25, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (33) 19.0 μg/m3 (66) 66.0
 
Feb. 25, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 63.0 μg/m3 (55) 10.0 μg/m3 (42) 55.0
 
Feb. 25, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 9.0 μg/m3 (38) 38.0
 
Feb. 25, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 57.0 μg/m3 (52) 11.0 μg/m3 (46) 52.0
 
Feb. 25, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (42) 4.0 μg/m3 (17) 42.0
 
Feb. 25, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 2.0 μg/m3 (9) 26.0
 
Feb. 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 5.0 μg/m3 (21) 26.0
 
Feb. 24, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) 6.0 μg/m3 (25) 28.0
 
Feb. 24, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 5.0 μg/m3 (21) 23.0
 
Feb. 24, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 6.0 μg/m3 (25) 25.0
 
Feb. 24, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (34) 9.0 μg/m3 (38) 38.0
 
Feb. 24, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (41) 10.0 μg/m3 (42) 42.0
 
Feb. 24, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (42) 7.0 μg/m3 (30) 42.0
 
Feb. 24, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 173.0 μg/m3 (110) 16.0 μg/m3 (60) 110.0
 
Feb. 24, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 123.0 μg/m3 (85) 17.0 μg/m3 (62) 85.0
 
Feb. 24, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 261.0 μg/m3 (154) 26.0 μg/m3 (81) 154.0
 
Feb. 24, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 80.0 μg/m3 (64) 17.0 μg/m3 (62) 64.0
 
Feb. 24, 2021, noon N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 56.0 μg/m3 (52) 15.0 μg/m3 (58) 58.0
 
Feb. 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 31.0 μg/m3 (29) 8.0 μg/m3 (34) 34.0
 
Feb. 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 50.0 μg/m3 (47) 17.0 μg/m3 (62) 62.0
 
Feb. 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 48.0 μg/m3 (45) 12.0 μg/m3 (50) 50.0
 
Feb. 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 59.0 μg/m3 (53) 15.0 μg/m3 (58) 58.0
 
Feb. 24, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 89.0 μg/m3 (68) 18.0 μg/m3 (64) 68.0
 
Feb. 24, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 75.0 μg/m3 (61) 15.0 μg/m3 (58) 61.0
 
Feb. 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 78.0 μg/m3 (63) 15.0 μg/m3 (58) 63.0
 
Feb. 24, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 55.0 μg/m3 (51) 11.0 μg/m3 (46) 51.0
 
Feb. 24, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 50.0 μg/m3 (47) 14.0 μg/m3 (55) 55.0
 
Feb. 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 48.0 μg/m3 (45) 8.0 μg/m3 (34) 45.0
 
Feb. 24, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 46.0 μg/m3 (43) 4.0 μg/m3 (17) 43.0
 
Feb. 24, 2021, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 38.0 μg/m3 (36) 3.0 μg/m3 (13) 42.0
 
Feb. 23, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 20.0 μg/m3 (19) 6.0 μg/m3 (25) 44.0
 
Feb. 23, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 74.0 μg/m3 (61) 5.0 μg/m3 (21) 61.0
 
Feb. 23, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 14.0 μg/m3 (13) 1.0 μg/m3 (5) 41.0
 
Feb. 23, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 7.0 μg/m3 (7) 0.0 μg/m3 (0) 41.0
 
Feb. 23, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 34.0 μg/m3 (32) 1.0 μg/m3 (5) 38.0
 
Feb. 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 35.0 μg/m3 (33) 4.0 μg/m3 (17) 34.0
 
Feb. 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 117.0 μg/m3 (82) 8.0 μg/m3 (34) 82.0
 
Feb. 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 34.0 μg/m3 (32) 7.0 μg/m3 (30) 32.0
 
Feb. 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 95.0 μg/m3 (71) 11.0 μg/m3 (46) 71.0
 
Feb. 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 75.0 μg/m3 (61) 10.0 μg/m3 (42) 61.0
 
Feb. 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 27.0 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
Feb. 23, 2021, noon N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 18.0 μg/m3 (17) 9.0 μg/m3 (38) 38.0
 
Feb. 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 30.0 μg/m3 (28) 8.0 μg/m3 (34) 34.0
 
Feb. 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 20.0 μg/m3 (19) 7.0 μg/m3 (30) 30.0
 
Feb. 23, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 48.0 μg/m3 (45) 17.0 μg/m3 (62) 62.0
 
Feb. 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 50.0 μg/m3 (47) 16.0 μg/m3 (60) 60.0
 
Feb. 23, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 50.0 μg/m3 (47) 12.0 μg/m3 (50) 50.0
 
Feb. 23, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 44.0 μg/m3 (41) 6.0 μg/m3 (25) 41.0
 
Feb. 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 29.0 μg/m3 (27) 5.0 μg/m3 (21) 29.0
 
Feb. 23, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 29.0 μg/m3 (27) 4.0 μg/m3 (17) 27.0
 
Feb. 23, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 22.0 μg/m3 (21) 7.0 μg/m3 (30) 30.0
 
Feb. 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 31.0 μg/m3 (29) 7.0 μg/m3 (30) 30.0
 
Feb. 23, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 29.0 μg/m3 (27) 1.0 μg/m3 (5) 34.0
 
Feb. 23, 2021, midnight N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 8.0 μg/m3 (8) 2.0 μg/m3 (9) 41.0
 
Feb. 22, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 9.0 μg/m3 (9) 1.0 μg/m3 (5) 41.0
 
Feb. 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 19.0 μg/m3 (18) -1.0 μg/m3 (0) 41.0
 
Feb. 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 27.0 μg/m3 (25) 2.0 μg/m3 (9) 40.0
 
Feb. 22, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 23.0 μg/m3 (22) 3.0 μg/m3 (13) 39.0
 
Feb. 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 29.0 μg/m3 (27) 2.0 μg/m3 (9) 38.0