ID: 969

AQSQID: 320311005

Site Name: Sparks

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

Updated: Sept. 19, 2020, 10:37 a.m.

Location: Sparks (4th St), NV

Reporting: True, Located: True

Current AQI: 25.0

Sparks (4th St) NV, US: 39.54092, -119.746764

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 19, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.2 ppb (2) 21.0 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
Sept. 19, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.2 ppb (2) 7.0 μg/m3 (6) 6.0 μg/m3 (25) 26.0
 
Sept. 19, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.2 ppb (2) 17.0 μg/m3 (15) 5.0 μg/m3 (21) 26.0
 
Sept. 19, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.2 ppb (2) 17.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Sept. 19, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.2 ppb (2) 30.0 μg/m3 (27) 10.0 μg/m3 (42) 42.0
 
Sept. 19, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.2 ppb (2) 22.0 μg/m3 (20) 7.0 μg/m3 (29) 29.0
 
Sept. 19, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.2 ppb (2) 21.0 μg/m3 (19) 9.0 μg/m3 (38) 38.0
 
Sept. 19, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.2 ppb (2) 30.0 μg/m3 (27) 13.0 μg/m3 (52) 52.0
 
Sept. 19, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.2 ppb (2) 28.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
Sept. 19, 2020, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 0.2 ppb (2) 39.0 μg/m3 (35) 11.0 μg/m3 (46) 46.0
 
Sept. 18, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 0.2 ppb (2) 42.0 μg/m3 (38) 6.0 μg/m3 (25) 38.0
 
Sept. 18, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.1 ppb (1) 31.0 μg/m3 (28) 5.0 μg/m3 (21) 32.0
 
Sept. 18, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.1 ppb (1) 50.0 μg/m3 (45) 8.0 μg/m3 (33) 45.0
 
Sept. 18, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.1 ppb (1) 72.0 μg/m3 (58) 10.0 μg/m3 (42) 58.0
 
Sept. 18, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.1 ppb (1) 89.0 μg/m3 (67) 10.0 μg/m3 (42) 67.0
 
Sept. 18, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.1 ppb (1) 72.0 μg/m3 (58) 17.0 μg/m3 (61) 61.0
 
Sept. 18, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.3 ppb (3) 78.0 μg/m3 (62) 30.0 μg/m3 (88) 88.0
 
Sept. 18, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 0.2 ppb (2) 147.0 μg/m3 (96) 32.0 μg/m3 (93) 96.0
 
Sept. 18, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.5 ppb (6) 88.0 μg/m3 (66) 49.0 μg/m3 (134) 134.0
 
Sept. 18, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.9 ppb (10) 97.0 μg/m3 (71) 46.0 μg/m3 (126) 126.0
 
Sept. 18, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) 0.7 ppb (8) 73.0 μg/m3 (59) 43.0 μg/m3 (119) 119.0
 
Sept. 18, 2020, noon N/A N/A N/A N/A N/A N/A 13.0 ppb (10) 0.6 ppb (7) 70.0 μg/m3 (58) 39.0 μg/m3 (109) 109.0
 
Sept. 18, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.5 ppb (6) 71.0 μg/m3 (58) 40.0 μg/m3 (111) 111.0
 
Sept. 18, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.5 ppb (6) 66.0 μg/m3 (56) 45.0 μg/m3 (124) 124.0
 
Sept. 18, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.5 ppb (6) 65.0 μg/m3 (55) 44.0 μg/m3 (121) 121.0
 
Sept. 18, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.5 ppb (6) 70.0 μg/m3 (58) 42.0 μg/m3 (116) 116.0
 
Sept. 18, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.5 ppb (6) 74.0 μg/m3 (60) 35.0 μg/m3 (99) 99.0
 
Sept. 18, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.4 ppb (4) 74.0 μg/m3 (60) 39.0 μg/m3 (109) 109.0
 
Sept. 18, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 0.5 ppb (6) 72.0 μg/m3 (58) 46.0 μg/m3 (126) 126.0
 
Sept. 18, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.7 ppb (8) 92.0 μg/m3 (68) 51.0 μg/m3 (139) 139.0
 
Sept. 18, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.6 ppb (7) 75.0 μg/m3 (60) 48.0 μg/m3 (131) 131.0
 
Sept. 18, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) 0.4 ppb (4) 62.0 μg/m3 (54) 38.0 μg/m3 (106) 106.0
 
Sept. 18, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) 0.4 ppb (4) 64.0 μg/m3 (54) 35.0 μg/m3 (99) 99.0
 
Sept. 18, 2020, midnight N/A N/A N/A N/A N/A N/A 63.0 ppb (48) 0.4 ppb (4) 82.0 μg/m3 (64) 46.0 μg/m3 (126) 126.0
 
Sept. 17, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 75.0 ppb (58) 0.8 ppb (9) 153.0 μg/m3 (99) 111.0 μg/m3 (179) 179.0
 
Sept. 17, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 84.0 ppb (66) 1.1 ppb (12) 202.0 μg/m3 (124) 159.0 μg/m3 (208) 208.0
 
Sept. 17, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 86.0 ppb (68) 1.1 ppb (12) 198.0 μg/m3 (122) 150.0 μg/m3 (200) 200.0
 
Sept. 17, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 78.0 ppb (61) 1.2 ppb (13) 204.0 μg/m3 (124) 159.0 μg/m3 (208) 208.0
 
Sept. 17, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) 1.1 ppb (12) 191.0 μg/m3 (118) 129.0 μg/m3 (189) 189.0
 
Sept. 17, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.9 ppb (10) 136.0 μg/m3 (90) 94.0 μg/m3 (170) 170.0
 
Sept. 17, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 142.0 μg/m3 (94) 82.0 μg/m3 (164) 164.0
 
Sept. 17, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) 1.2 ppb (13) 178.0 μg/m3 (112) 87.0 μg/m3 (167) 167.0
 
Sept. 17, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 1.5 ppb (17) 151.0 μg/m3 (98) 89.0 μg/m3 (168) 168.0
 
Sept. 17, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.5 ppb (17) 138.0 μg/m3 (92) 90.0 μg/m3 (168) 168.0
 
Sept. 17, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.3 ppb (14) 133.0 μg/m3 (89) 89.0 μg/m3 (168) 168.0
 
Sept. 17, 2020, noon N/A N/A N/A N/A N/A N/A 6.0 ppb (5) 1.0 ppb (11) 120.0 μg/m3 (82) 81.0 μg/m3 (163) 163.0
 
Sept. 17, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) 0.9 ppb (10) 118.0 μg/m3 (82) 84.0 μg/m3 (165) 165.0
 
Sept. 17, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) 0.9 ppb (10) 115.0 μg/m3 (80) 80.0 μg/m3 (163) 163.0
 
Sept. 17, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 1.1 ppb (12) 121.0 μg/m3 (83) 85.0 μg/m3 (166) 166.0
 
Sept. 17, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) 1.0 ppb (11) 133.0 μg/m3 (89) 89.0 μg/m3 (168) 168.0
 
Sept. 17, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) 1.2 ppb (13) 139.0 μg/m3 (92) 88.0 μg/m3 (167) 167.0
 
Sept. 17, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 1.2 ppb (13) 152.0 μg/m3 (98) 99.0 μg/m3 (173) 173.0
 
Sept. 17, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) 1.3 ppb (14) 159.0 μg/m3 (102) 99.0 μg/m3 (173) 173.0
 
Sept. 17, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 1.3 ppb (14) 170.0 μg/m3 (108) 95.0 μg/m3 (171) 171.0
 
Sept. 17, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 1.1 ppb (12) 168.0 μg/m3 (106) 101.0 μg/m3 (174) 174.0
 
Sept. 17, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 1.0 ppb (11) 144.0 μg/m3 (94) 96.0 μg/m3 (171) 171.0
 
Sept. 17, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 1.2 ppb (13) 209.0 μg/m3 (127) 131.0 μg/m3 (190) 190.0
 
Sept. 17, 2020, midnight N/A N/A N/A N/A N/A N/A 57.0 ppb (44) 1.0 ppb (11) 182.0 μg/m3 (114) 123.0 μg/m3 (186) 186.0
 
Sept. 16, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) 0.9 ppb (10) 166.0 μg/m3 (106) 112.0 μg/m3 (180) 180.0
 
Sept. 16, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (50) 0.8 ppb (9) 135.0 μg/m3 (90) 100.0 μg/m3 (173) 173.0
 
Sept. 16, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) 0.8 ppb (9) 129.0 μg/m3 (87) 95.0 μg/m3 (171) 171.0
 
Sept. 16, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) 0.8 ppb (9) 131.0 μg/m3 (88) 90.0 μg/m3 (168) 168.0
 
Sept. 16, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.8 ppb (9) 131.0 μg/m3 (88) 93.0 μg/m3 (170) 170.0
 
Sept. 16, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 1.0 ppb (11) 155.0 μg/m3 (100) 91.0 μg/m3 (169) 169.0
 
Sept. 16, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) 1.1 ppb (12) 183.0 μg/m3 (114) 90.0 μg/m3 (168) 168.0
 
Sept. 16, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 1.2 ppb (13) 157.0 μg/m3 (101) 79.0 μg/m3 (162) 162.0
 
Sept. 16, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.4 ppb (16) 213.0 μg/m3 (129) 69.0 μg/m3 (157) 157.0
 
Sept. 16, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.2 ppb (13) 105.0 μg/m3 (75) 59.0 μg/m3 (152) 152.0
 
Sept. 16, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (11) 97.0 μg/m3 (71) 55.0 μg/m3 (149) 149.0
 
Sept. 16, 2020, noon N/A N/A N/A N/A N/A N/A 5.0 ppb (4) 0.7 ppb (8) 82.0 μg/m3 (64) 47.0 μg/m3 (129) 129.0
 
Sept. 16, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 0.7 ppb (8) 82.0 μg/m3 (64) 49.0 μg/m3 (134) 134.0
 
Sept. 16, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) 0.7 ppb (8) 85.0 μg/m3 (65) 47.0 μg/m3 (129) 129.0
 
Sept. 16, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) 0.8 ppb (9) 87.0 μg/m3 (66) 52.0 μg/m3 (141) 141.0
 
Sept. 16, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) 0.8 ppb (9) 97.0 μg/m3 (71) 54.0 μg/m3 (146) 146.0
 
Sept. 16, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) 0.9 ppb (10) 104.0 μg/m3 (74) 62.0 μg/m3 (153) 153.0
 
Sept. 16, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 1.0 ppb (11) 112.0 μg/m3 (78) 67.0 μg/m3 (156) 156.0
 
Sept. 16, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.9 ppb (10) 124.0 μg/m3 (84) 63.0 μg/m3 (154) 154.0
 
Sept. 16, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 1.0 ppb (11) 132.0 μg/m3 (88) 88.0 μg/m3 (167) 167.0
 
Sept. 16, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 1.1 ppb (12) 201.0 μg/m3 (123) 133.0 μg/m3 (191) 191.0
 
Sept. 16, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 1.1 ppb (12) 221.0 μg/m3 (133) 155.0 μg/m3 (204) 204.0
 
Sept. 16, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 1.0 ppb (11) 200.0 μg/m3 (122) 143.0 μg/m3 (196) 196.0
 
Sept. 16, 2020, midnight N/A N/A N/A N/A N/A N/A 57.0 ppb (44) 0.9 ppb (10) 169.0 μg/m3 (107) 122.0 μg/m3 (185) 185.0
 
Sept. 15, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) 0.8 ppb (9) 157.0 μg/m3 (101) 113.0 μg/m3 (180) 180.0
 
Sept. 15, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) 0.8 ppb (9) 164.0 μg/m3 (104) 120.0 μg/m3 (184) 184.0
 
Sept. 15, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) 0.9 ppb (10) 168.0 μg/m3 (106) 117.0 μg/m3 (182) 182.0
 
Sept. 15, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) 1.0 ppb (11) 174.0 μg/m3 (110) 126.0 μg/m3 (187) 187.0
 
Sept. 15, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 1.0 ppb (11) 146.0 μg/m3 (96) 104.0 μg/m3 (176) 176.0
 
Sept. 15, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 1.1 ppb (12) 176.0 μg/m3 (110) 102.0 μg/m3 (174) 174.0
 
Sept. 15, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 1.1 ppb (12) 173.0 μg/m3 (109) 98.0 μg/m3 (172) 172.0
 
Sept. 15, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 1.1 ppb (12) 149.0 μg/m3 (97) 97.0 μg/m3 (172) 172.0
 
Sept. 15, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 1.3 ppb (14) 151.0 μg/m3 (98) 91.0 μg/m3 (169) 169.0
 
Sept. 15, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.4 ppb (16) 167.0 μg/m3 (106) 96.0 μg/m3 (171) 171.0
 
Sept. 15, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.1 ppb (12) 137.0 μg/m3 (91) 83.0 μg/m3 (164) 164.0
 
Sept. 15, 2020, noon N/A N/A N/A N/A N/A N/A 5.0 ppb (4) 0.9 ppb (10) 125.0 μg/m3 (85) 82.0 μg/m3 (164) 164.0
 
Sept. 15, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 0.9 ppb (10) 120.0 μg/m3 (82) 90.0 μg/m3 (168) 168.0
 
Sept. 15, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.8 ppb (9) 117.0 μg/m3 (81) 86.0 μg/m3 (166) 166.0
 
Sept. 15, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.8 ppb (9) 122.0 μg/m3 (84) 82.0 μg/m3 (164) 164.0
 
Sept. 15, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.8 ppb (9) 130.0 μg/m3 (88) 86.0 μg/m3 (166) 166.0
 
Sept. 15, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.8 ppb (9) 145.0 μg/m3 (95) 79.0 μg/m3 (162) 162.0
 
Sept. 15, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.8 ppb (9) 125.0 μg/m3 (85) 77.0 μg/m3 (161) 161.0
 
Sept. 15, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.8 ppb (9) 122.0 μg/m3 (84) 71.0 μg/m3 (158) 158.0
 
Sept. 15, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.8 ppb (9) 118.0 μg/m3 (82) 69.0 μg/m3 (157) 157.0
 
Sept. 15, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) 0.6 ppb (7) 106.0 μg/m3 (76) 67.0 μg/m3 (156) 156.0
 
Sept. 15, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) 0.6 ppb (7) 105.0 μg/m3 (75) 62.0 μg/m3 (153) 153.0
 
Sept. 15, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (50) 0.6 ppb (7) 109.0 μg/m3 (77) 72.0 μg/m3 (159) 159.0
 
Sept. 15, 2020, midnight N/A N/A N/A N/A N/A N/A 62.0 ppb (48) 0.5 ppb (6) 93.0 μg/m3 (69) 56.0 μg/m3 (150) 150.0
 
Sept. 14, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (50) 0.5 ppb (6) 91.0 μg/m3 (68) 56.0 μg/m3 (150) 150.0
 
Sept. 14, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (48) 0.3 ppb (3) 59.0 μg/m3 (52) 35.0 μg/m3 (99) 99.0
 
Sept. 14, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) 0.3 ppb (3) 65.0 μg/m3 (55) 30.0 μg/m3 (88) 88.0
 
Sept. 14, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (52) 0.4 ppb (4) 83.0 μg/m3 (64) 42.0 μg/m3 (116) 116.0
 
Sept. 14, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) 0.6 ppb (7) 125.0 μg/m3 (85) 62.0 μg/m3 (153) 153.0
 
Sept. 14, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 110.0 μg/m3 (78) 58.0 μg/m3 (151) 151.0
 
Sept. 14, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 158.0 μg/m3 (102) 56.0 μg/m3 (150) 150.0
 
Sept. 14, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 1.1 ppb (12) 149.0 μg/m3 (97) 59.0 μg/m3 (152) 152.0
 
Sept. 14, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.0 ppb (11) 109.0 μg/m3 (77) 45.0 μg/m3 (124) 124.0
 
Sept. 14, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (11) 107.0 μg/m3 (76) 41.0 μg/m3 (114) 114.0
 
Sept. 14, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.8 ppb (9) 85.0 μg/m3 (65) 40.0 μg/m3 (111) 111.0
 
Sept. 14, 2020, noon N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.7 ppb (8) 74.0 μg/m3 (60) 42.0 μg/m3 (116) 116.0
 
Sept. 14, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) 0.7 ppb (8) 69.0 μg/m3 (57) 33.0 μg/m3 (95) 95.0
 
Sept. 14, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 0.6 ppb (7) 64.0 μg/m3 (54) 36.0 μg/m3 (101) 101.0
 
Sept. 14, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 0.5 ppb (6) 76.0 μg/m3 (60) 40.0 μg/m3 (111) 111.0
 
Sept. 14, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) 0.5 ppb (6) 77.0 μg/m3 (61) 35.0 μg/m3 (99) 99.0
 
Sept. 14, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 0.6 ppb (7) 88.0 μg/m3 (66) 38.0 μg/m3 (106) 106.0
 
Sept. 14, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) 0.6 ppb (7) 94.0 μg/m3 (70) 40.0 μg/m3 (111) 111.0
 
Sept. 14, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) 0.8 ppb (9) 94.0 μg/m3 (70) 44.0 μg/m3 (121) 121.0
 
Sept. 14, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.6 ppb (7) 95.0 μg/m3 (70) 49.0 μg/m3 (134) 134.0
 
Sept. 14, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.4 ppb (4) 80.0 μg/m3 (62) 36.0 μg/m3 (101) 101.0
 
Sept. 14, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.3 ppb (3) 61.0 μg/m3 (53) 31.0 μg/m3 (90) 90.0
 
Sept. 14, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.4 ppb (4) 100.0 μg/m3 (72) 52.0 μg/m3 (141) 141.0
 
Sept. 14, 2020, midnight N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 0.4 ppb (4) 92.0 μg/m3 (68) 52.0 μg/m3 (141) 141.0
 
Sept. 13, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) 0.4 ppb (4) 113.0 μg/m3 (79) 48.0 μg/m3 (131) 131.0
 
Sept. 13, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) 0.4 ppb (4) 65.0 μg/m3 (55) 42.0 μg/m3 (116) 116.0
 
Sept. 13, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (48) 0.4 ppb (4) 70.0 μg/m3 (58) 53.0 μg/m3 (144) 144.0
 
Sept. 13, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 85.0 ppb (67) 1.0 ppb (11) 191.0 μg/m3 (118) 137.0 μg/m3 (193) 193.0
 
Sept. 13, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 77.0 ppb (60) 1.3 ppb (14) 225.0 μg/m3 (135) 165.0 μg/m3 (214) 214.0
 
Sept. 13, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) 1.2 ppb (13) 189.0 μg/m3 (117) 137.0 μg/m3 (193) 193.0
 
Sept. 13, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) 1.4 ppb (16) 228.0 μg/m3 (136) 174.0 μg/m3 (224) 224.0
 
Sept. 13, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 1.5 ppb (17) 232.0 μg/m3 (138) 180.0 μg/m3 (230) 230.0
 
Sept. 13, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) 1.7 ppb (19) 250.0 μg/m3 (148) 200.0 μg/m3 (250) 250.0
 
Sept. 13, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 2.3 ppb (26) 333.0 μg/m3 (189) 271.0 μg/m3 (320) 320.0
 
Sept. 13, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 2.5 ppb (28) 353.0 μg/m3 (199) 284.0 μg/m3 (334) 334.0
 
Sept. 13, 2020, noon N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 2.1 ppb (23) 268.0 μg/m3 (156) 215.0 μg/m3 (264) 264.0
 
Sept. 13, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 2.1 ppb (23) 251.0 μg/m3 (148) 201.0 μg/m3 (250) 250.0
 
Sept. 13, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 2.1 ppb (23) 269.0 μg/m3 (157) 199.0 μg/m3 (248) 248.0
 
Sept. 13, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 2.0 ppb (22) 250.0 μg/m3 (148) 185.0 μg/m3 (234) 234.0
 
Sept. 13, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.8 ppb (20) 231.0 μg/m3 (138) 158.0 μg/m3 (208) 208.0
 
Sept. 13, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.8 ppb (20) 224.0 μg/m3 (134) 164.0 μg/m3 (214) 214.0
 
Sept. 13, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 2.0 ppb (22) 254.0 μg/m3 (150) 177.0 μg/m3 (226) 226.0
 
Sept. 13, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) 1.6 ppb (18) 245.0 μg/m3 (145) 167.0 μg/m3 (216) 216.0
 
Sept. 13, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 1.2 ppb (13) 187.0 μg/m3 (116) 132.0 μg/m3 (190) 190.0
 
Sept. 13, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) 0.9 ppb (10) 169.0 μg/m3 (107) 111.0 μg/m3 (179) 179.0
 
Sept. 13, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.6 ppb (7) 69.0 μg/m3 (57) 23.0 μg/m3 (73) 73.0
 
Sept. 13, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.3 ppb (3) 43.0 μg/m3 (39) 21.0 μg/m3 (69) 69.0
 
Sept. 13, 2020, midnight N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 0.2 ppb (2) 39.0 μg/m3 (35) 14.0 μg/m3 (54) 54.0
 
Sept. 12, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) 0.3 ppb (3) 59.0 μg/m3 (52) 34.0 μg/m3 (97) 97.0
 
Sept. 12, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (48) 0.4 ppb (4) 77.0 μg/m3 (61) 46.0 μg/m3 (126) 126.0
 
Sept. 12, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 73.0 ppb (57) 0.6 ppb (7) 107.0 μg/m3 (76) 69.0 μg/m3 (157) 157.0
 
Sept. 12, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 89.0 ppb (70) 0.9 ppb (10) 181.0 μg/m3 (113) 120.0 μg/m3 (184) 184.0
 
Sept. 12, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 76.0 ppb (59) 1.0 ppb (11) 197.0 μg/m3 (121) 129.0 μg/m3 (189) 189.0
 
Sept. 12, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) 1.0 ppb (11) 152.0 μg/m3 (98) 101.0 μg/m3 (174) 174.0
 
Sept. 12, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 1.1 ppb (12) 180.0 μg/m3 (112) 114.0 μg/m3 (181) 181.0
 
Sept. 12, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 1.3 ppb (14) 207.0 μg/m3 (126) 138.0 μg/m3 (193) 193.0
 
Sept. 12, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) 1.6 ppb (18) 232.0 μg/m3 (138) 149.0 μg/m3 (199) 199.0
 
Sept. 12, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.9 ppb (21) 248.0 μg/m3 (146) 168.0 μg/m3 (218) 218.0
 
Sept. 12, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.8 ppb (20) 226.0 μg/m3 (136) 161.0 μg/m3 (210) 210.0
 
Sept. 12, 2020, noon N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.6 ppb (18) 215.0 μg/m3 (130) 150.0 μg/m3 (200) 200.0
 
Sept. 12, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.7 ppb (19) 229.0 μg/m3 (137) 161.0 μg/m3 (210) 210.0
 
Sept. 12, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 1.8 ppb (20) 242.0 μg/m3 (144) 168.0 μg/m3 (218) 218.0