ID: 1327

AQSQID: 380171004

Site Name: Fargo Nw

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

Updated: Sept. 25, 2021, 8:01 a.m.

Location: Fargo (40th Ave N), ND

Reporting: True, Located: True

Current AQI: 23.0

Fargo (40th Ave N) ND, US: 46.933601, -96.854698

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 11, 2021, 4 a.m. 3.5 ppb (4) 1.1 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 19.3 μg/m3 (67) 67.0
 
Sept. 11, 2021, 3 a.m. 4.4 ppb (5) 1.2 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 20.5 μg/m3 (69) 69.0
 
Sept. 11, 2021, 2 a.m. 10.3 ppb (10) 1.2 ppb (2) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 29.3 μg/m3 (88) 88.0
 
Sept. 11, 2021, 1 a.m. 12.5 ppb (12) 1.2 ppb (2) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 16.0 μg/m3 (60) 60.0
 
Sept. 11, 2021, midnight 7.2 ppb (7) 1.3 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 16.3 μg/m3 (60) 60.0
 
Sept. 10, 2021, 11 p.m. 3.7 ppb (4) 1.3 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 40.0 ppb (38) N/A N/A 19.2 μg/m3 (66) 66.0
 
Sept. 10, 2021, 10 p.m. 3.0 ppb (3) 1.3 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 44.0 ppb (41) N/A N/A 23.4 μg/m3 (75) 75.0
 
Sept. 10, 2021, 9 p.m. 3.0 ppb (3) 1.3 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 48.0 ppb (45) N/A N/A 17.3 μg/m3 (62) 62.0
 
Sept. 10, 2021, 8 p.m. 3.3 ppb (4) 1.6 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 47.0 ppb (44) N/A N/A 17.5 μg/m3 (63) 63.0
 
Sept. 10, 2021, 7 p.m. 4.7 ppb (5) 2.4 ppb (3) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 45.0 ppb (42) N/A N/A 14.2 μg/m3 (56) 56.0
 
Sept. 10, 2021, 6 p.m. 3.3 ppb (4) 1.5 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 39.0 ppb (37) N/A N/A 10.3 μg/m3 (43) 43.0
 
Sept. 10, 2021, 5 p.m. 3.5 ppb (4) 1.6 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 33.0 ppb (31) N/A N/A 9.2 μg/m3 (39) 39.0
 
Sept. 10, 2021, 4 p.m. 3.4 ppb (4) 1.8 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 7.2 μg/m3 (31) 31.0
 
Sept. 10, 2021, 3 p.m. 5.3 ppb (5) 3.4 ppb (4) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 7.4 μg/m3 (31) 31.0
 
Sept. 10, 2021, 2 p.m. 5.7 ppb (6) 2.6 ppb (3) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 6.7 μg/m3 (28) 28.0
 
Sept. 10, 2021, 1 p.m. 8.8 ppb (9) 2.8 ppb (3) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 7.1 μg/m3 (30) 30.0
 
Sept. 10, 2021, noon 7.9 ppb (8) 1.6 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 16.0 ppb (15) N/A N/A 6.5 μg/m3 (28) 28.0
 
Sept. 10, 2021, 11 a.m. 5.2 ppb (5) 1.3 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 10, 2021, 10 a.m. 3.3 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 5.7 μg/m3 (24) 24.0
 
Sept. 10, 2021, 9 a.m. 3.6 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 5.8 μg/m3 (25) 25.0
 
Sept. 10, 2021, 8 a.m. 3.4 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 5.4 μg/m3 (23) 23.0
 
Sept. 10, 2021, 7 a.m. 3.0 ppb (3) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 5.1 μg/m3 (22) 23.0
 
Sept. 10, 2021, 6 a.m. 3.0 ppb (3) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 5.5 μg/m3 (23) 24.0
 
Sept. 10, 2021, 5 a.m. 3.4 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 5.4 μg/m3 (23) 25.0
 
Sept. 10, 2021, 4 a.m. 4.3 ppb (5) 1.2 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 5.5 μg/m3 (23) 23.0
 
Sept. 10, 2021, 3 a.m. 9.9 ppb (10) 1.5 ppb (2) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 6.1 μg/m3 (26) 26.0
 
Sept. 10, 2021, 2 a.m. 19.4 ppb (19) 2.6 ppb (3) N/A 17.0 ppb (17) N/A 1.0 ppb (2) 9.0 ppb (9) N/A N/A 6.1 μg/m3 (26) 26.0
 
Sept. 10, 2021, 1 a.m. 5.9 ppb (6) 1.2 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 5.3 μg/m3 (23) 23.0
 
Sept. 10, 2021, midnight 5.7 ppb (6) 1.3 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 5.0 μg/m3 (21) 26.0
 
Sept. 9, 2021, 11 p.m. 2.9 ppb (3) 1.3 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 35.0 ppb (33) N/A N/A 4.6 μg/m3 (20) 33.0
 
Sept. 9, 2021, 10 p.m. 2.3 ppb (3) 1.4 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 38.0 ppb (36) N/A N/A 4.5 μg/m3 (19) 36.0
 
Sept. 9, 2021, 9 p.m. 2.2 ppb (3) 1.4 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A 4.6 μg/m3 (20) 35.0
 
Sept. 9, 2021, 8 p.m. 2.1 ppb (2) 1.4 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 36.0 ppb (34) N/A N/A 5.0 μg/m3 (21) 34.0
 
Sept. 9, 2021, 7 p.m. 1.8 ppb (2) 1.3 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 36.0 ppb (34) N/A N/A 4.5 μg/m3 (19) 34.0
 
Sept. 9, 2021, 6 p.m. 4.2 ppb (4) 2.8 ppb (3) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 34.0 ppb (32) N/A N/A 4.9 μg/m3 (21) 32.0
 
Sept. 9, 2021, 5 p.m. 3.0 ppb (3) 1.6 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 34.0 ppb (32) N/A N/A 4.9 μg/m3 (21) 32.0
 
Sept. 9, 2021, 4 p.m. 6.4 ppb (7) 2.9 ppb (3) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 5.8 μg/m3 (25) 27.0
 
Sept. 9, 2021, 3 p.m. 28.1 ppb (27) 13.7 ppb (13) N/A 14.0 ppb (14) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 9.2 μg/m3 (39) 39.0
 
Sept. 9, 2021, 2 p.m. 23.7 ppb (23) 12.3 ppb (12) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 11.0 ppb (11) N/A N/A 7.6 μg/m3 (32) 32.0
 
Sept. 9, 2021, 1 p.m. 60.3 ppb (58) 45.1 ppb (43) N/A 15.0 ppb (15) N/A 1.0 ppb (2) 2.0 ppb (2) N/A N/A 10.2 μg/m3 (43) 58.0
 
Sept. 9, 2021, noon 70.5 ppb (69) 54.7 ppb (52) N/A 16.0 ppb (16) N/A 1.0 ppb (2) 1.0 ppb (1) N/A N/A 10.2 μg/m3 (43) 69.0
 
Sept. 9, 2021, 11 a.m. 29.9 ppb (29) 18.5 ppb (18) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 3.0 ppb (3) N/A N/A 6.7 μg/m3 (28) 29.0
 
Sept. 9, 2021, 10 a.m. 7.8 ppb (8) 3.2 ppb (4) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 8.0 ppb (8) N/A N/A 5.6 μg/m3 (24) 24.0
 
Sept. 9, 2021, 9 a.m. 3.5 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 9.0 ppb (9) N/A N/A 7.3 μg/m3 (31) 31.0
 
Sept. 9, 2021, 8 a.m. 3.3 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 10.0 ppb (10) N/A N/A 6.4 μg/m3 (27) 27.0
 
Sept. 9, 2021, 7 a.m. 3.5 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 10.0 ppb (10) N/A N/A 7.0 μg/m3 (30) 30.0
 
Sept. 9, 2021, 6 a.m. 3.5 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 9.0 ppb (9) N/A N/A 7.5 μg/m3 (32) 32.0
 
Sept. 9, 2021, 5 a.m. 3.9 ppb (4) 1.2 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 11.0 ppb (11) N/A N/A 7.0 μg/m3 (30) 30.0
 
Sept. 9, 2021, 4 a.m. 4.4 ppb (5) 1.3 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 11.0 ppb (11) N/A N/A 8.0 μg/m3 (34) 34.0
 
Sept. 9, 2021, 3 a.m. 10.4 ppb (10) 1.8 ppb (2) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 9.0 ppb (9) N/A N/A 7.6 μg/m3 (32) 32.0
 
Sept. 9, 2021, 2 a.m. 12.5 ppb (12) 1.5 ppb (2) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 12.0 ppb (12) N/A N/A 6.4 μg/m3 (27) 27.0
 
Sept. 9, 2021, 1 a.m. 18.7 ppb (18) 5.7 ppb (6) N/A 13.0 ppb (13) N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 9, 2021, midnight 4.6 ppb (5) 2.0 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 7.2 μg/m3 (31) 31.0
 
Sept. 8, 2021, 11 p.m. 2.2 ppb (3) 1.6 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 33.0 ppb (31) N/A N/A 4.4 μg/m3 (19) 31.0
 
Sept. 8, 2021, 10 p.m. 1.8 ppb (2) 1.6 ppb (2) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 34.0 ppb (32) N/A N/A 4.3 μg/m3 (18) 32.0
 
Sept. 8, 2021, 9 p.m. 2.0 ppb (2) 1.7 ppb (2) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 32.0 ppb (30) N/A N/A 5.1 μg/m3 (22) 30.0
 
Sept. 8, 2021, 8 p.m. 2.1 ppb (2) 1.8 ppb (2) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 4.1 μg/m3 (18) 29.0
 
Sept. 8, 2021, 7 p.m. 2.2 ppb (3) 1.9 ppb (2) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 4.4 μg/m3 (19) 29.0
 
Sept. 8, 2021, 6 p.m. 3.7 ppb (4) 2.2 ppb (3) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 30.0 ppb (28) N/A N/A 4.9 μg/m3 (21) 28.0
 
Sept. 8, 2021, 5 p.m. 2.4 ppb (3) 1.9 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 4.2 μg/m3 (18) 27.0
 
Sept. 8, 2021, 4 p.m. 2.3 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 4.6 μg/m3 (20) 26.0
 
Sept. 8, 2021, 3 p.m. 2.3 ppb (3) 1.9 ppb (2) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 4.0 μg/m3 (17) 24.0
 
Sept. 8, 2021, 2 p.m. 2.9 ppb (3) 2.1 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 4.8 μg/m3 (20) 21.0
 
Sept. 8, 2021, 1 p.m. 3.0 ppb (3) 2.1 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 8, 2021, noon 4.7 ppb (5) 2.9 ppb (3) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 4.1 μg/m3 (18) 18.0
 
Sept. 8, 2021, 11 a.m. 3.5 ppb (4) 1.9 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 14.0 ppb (13) N/A N/A 3.7 μg/m3 (16) 16.0
 
Sept. 8, 2021, 10 a.m. 3.0 ppb (3) 1.5 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 3.6 μg/m3 (16) 16.0
 
Sept. 8, 2021, 9 a.m. 2.7 ppb (3) 1.4 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 3.6 μg/m3 (16) 16.0
 
Sept. 8, 2021, 8 a.m. 2.6 ppb (3) 1.4 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 3.4 μg/m3 (15) 19.0
 
Sept. 8, 2021, 7 a.m. 2.8 ppb (3) 1.4 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 3.3 μg/m3 (14) 20.0
 
Sept. 8, 2021, 6 a.m. 2.5 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 3.2 μg/m3 (14) 21.0
 
Sept. 8, 2021, 5 a.m. 2.8 ppb (3) 1.3 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 3.5 μg/m3 (15) 21.0
 
Sept. 8, 2021, 4 a.m. 2.5 ppb (3) 1.3 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 3.5 μg/m3 (15) 23.0
 
Sept. 8, 2021, 3 a.m. 2.2 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 3.5 μg/m3 (15) 25.0
 
Sept. 8, 2021, 2 a.m. 2.3 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 3.5 μg/m3 (15) 25.0
 
Sept. 8, 2021, 1 a.m. 2.1 ppb (2) 1.4 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 3.3 μg/m3 (14) 29.0
 
Sept. 8, 2021, midnight 2.0 ppb (2) 1.5 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 33.0 ppb (31) N/A N/A 3.7 μg/m3 (16) 31.0
 
Sept. 7, 2021, 11 p.m. 2.5 ppb (3) 1.7 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 35.0 ppb (33) N/A N/A 3.8 μg/m3 (16) 33.0
 
Sept. 7, 2021, 10 p.m. 2.2 ppb (3) 1.7 ppb (2) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 36.0 ppb (34) N/A N/A 3.9 μg/m3 (17) 34.0
 
Sept. 7, 2021, 9 p.m. 2.9 ppb (3) 2.1 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 36.0 ppb (34) N/A N/A 3.1 μg/m3 (13) 34.0
 
Sept. 7, 2021, 8 p.m. 2.2 ppb (3) 1.8 ppb (2) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 36.0 ppb (34) N/A N/A 3.1 μg/m3 (13) 34.0
 
Sept. 7, 2021, 7 p.m. 2.7 ppb (3) 2.1 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 35.0 ppb (33) N/A N/A 3.4 μg/m3 (15) 33.0
 
Sept. 7, 2021, 6 p.m. 2.6 ppb (3) 2.0 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) N/A N/A N/A 3.4 μg/m3 (15) 15.0
 
Sept. 7, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.6 μg/m3 (16) 16.0
 
Sept. 7, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Sept. 7, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A N/A 29.0
 
Sept. 7, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 4.2 μg/m3 (18) 30.0
 
Sept. 7, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 4.3 μg/m3 (18) 27.0
 
Sept. 7, 2021, noon 3.2 ppb (4) 1.9 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 5.0 μg/m3 (21) 26.0
 
Sept. 7, 2021, 11 a.m. 2.5 ppb (3) 1.5 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 6.3 μg/m3 (27) 27.0
 
Sept. 7, 2021, 10 a.m. 2.3 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 7.6 μg/m3 (32) 32.0
 
Sept. 7, 2021, 9 a.m. 2.4 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 8.5 μg/m3 (36) 36.0
 
Sept. 7, 2021, 8 a.m. 2.4 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 9.8 μg/m3 (41) 41.0
 
Sept. 7, 2021, 7 a.m. 2.5 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 11.4 μg/m3 (48) 48.0
 
Sept. 7, 2021, 6 a.m. 4.0 ppb (4) 1.1 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 11.3 μg/m3 (48) 48.0
 
Sept. 7, 2021, 5 a.m. 3.2 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 33.0 ppb (31) N/A N/A 10.9 μg/m3 (46) 46.0
 
Sept. 7, 2021, 4 a.m. 2.6 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 39.0 ppb (37) N/A N/A 10.7 μg/m3 (45) 45.0
 
Sept. 7, 2021, 3 a.m. 3.4 ppb (4) 1.3 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 35.0 ppb (33) N/A N/A 10.7 μg/m3 (45) 45.0
 
Sept. 7, 2021, 2 a.m. 3.6 ppb (4) 1.3 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 35.0 ppb (33) N/A N/A 11.7 μg/m3 (49) 49.0
 
Sept. 7, 2021, 1 a.m. 8.9 ppb (9) 1.5 ppb (2) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 16.4 μg/m3 (61) 61.0
 
Sept. 7, 2021, midnight 2.8 ppb (3) 1.1 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A 15.4 μg/m3 (58) 58.0
 
Sept. 6, 2021, 11 p.m. 2.2 ppb (3) 1.1 ppb (2) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 44.0 ppb (41) N/A N/A 15.1 μg/m3 (58) 58.0
 
Sept. 6, 2021, 10 p.m. 2.0 ppb (2) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 46.0 ppb (43) N/A N/A 14.1 μg/m3 (56) 56.0
 
Sept. 6, 2021, 9 p.m. 1.7 ppb (2) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 46.0 ppb (43) N/A N/A 13.3 μg/m3 (54) 54.0
 
Sept. 6, 2021, 8 p.m. 1.8 ppb (2) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 46.0 ppb (43) N/A N/A 11.4 μg/m3 (48) 48.0
 
Sept. 6, 2021, 7 p.m. 1.8 ppb (2) 1.3 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 45.0 ppb (42) N/A N/A 10.5 μg/m3 (44) 44.0
 
Sept. 6, 2021, 6 p.m. 1.8 ppb (2) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 42.0 ppb (39) N/A N/A 8.0 μg/m3 (34) 39.0
 
Sept. 6, 2021, 5 p.m. 1.9 ppb (2) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 39.0 ppb (37) N/A N/A 6.5 μg/m3 (28) 37.0
 
Sept. 6, 2021, 4 p.m. 2.1 ppb (2) 1.3 ppb (2) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 35.0 ppb (33) N/A N/A 5.6 μg/m3 (24) 33.0
 
Sept. 6, 2021, 3 p.m. 2.7 ppb (3) 1.5 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 5.5 μg/m3 (23) 27.0
 
Sept. 6, 2021, 2 p.m. 3.9 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 23.0 ppb (22) N/A N/A 5.5 μg/m3 (23) 23.0
 
Sept. 6, 2021, 1 p.m. 4.7 ppb (5) 2.0 ppb (2) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 17.0 ppb (16) N/A N/A 5.7 μg/m3 (24) 24.0
 
Sept. 6, 2021, noon 4.3 ppb (5) 1.5 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 14.0 ppb (13) N/A N/A 5.8 μg/m3 (25) 25.0
 
Sept. 6, 2021, 11 a.m. 3.8 ppb (4) 1.2 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 16.0 ppb (15) N/A N/A 5.7 μg/m3 (24) 24.0
 
Sept. 6, 2021, 10 a.m. 3.8 ppb (4) 1.2 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 14.0 ppb (13) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 6, 2021, 9 a.m. 5.1 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 12.0 ppb (12) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 6, 2021, 8 a.m. 11.8 ppb (12) 3.2 ppb (4) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 8.0 ppb (8) N/A N/A 6.4 μg/m3 (27) 27.0
 
Sept. 6, 2021, 7 a.m. 10.3 ppb (10) 2.3 ppb (3) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 7.0 ppb (7) N/A N/A 9.7 μg/m3 (41) 41.0
 
Sept. 6, 2021, 6 a.m. 9.3 ppb (9) 1.4 ppb (2) N/A 8.0 ppb (8) N/A 2.0 ppb (3) 9.0 ppb (9) N/A N/A 13.7 μg/m3 (55) 55.0
 
Sept. 6, 2021, 5 a.m. 21.6 ppb (21) 4.4 ppb (5) N/A 17.0 ppb (17) N/A 1.0 ppb (2) 3.0 ppb (3) N/A N/A 13.0 μg/m3 (53) 53.0
 
Sept. 6, 2021, 4 a.m. 10.8 ppb (11) 1.3 ppb (2) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 11.0 ppb (11) N/A N/A 6.7 μg/m3 (28) 28.0
 
Sept. 6, 2021, 3 a.m. 7.6 ppb (8) 1.1 ppb (2) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 5.9 μg/m3 (25) 25.0
 
Sept. 6, 2021, 2 a.m. 5.9 ppb (6) 1.2 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 6, 2021, 1 a.m. 5.0 ppb (5) 1.3 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 6.4 μg/m3 (27) 27.0
 
Sept. 6, 2021, midnight 2.7 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 35.0 ppb (33) N/A N/A 5.2 μg/m3 (22) 33.0
 
Sept. 5, 2021, 11 p.m. 1.5 ppb (2) 1.3 ppb (2) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 40.0 ppb (38) N/A N/A 4.5 μg/m3 (19) 38.0
 
Sept. 5, 2021, 10 p.m. 1.5 ppb (2) 1.2 ppb (2) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 40.0 ppb (38) N/A N/A 4.4 μg/m3 (19) 38.0
 
Sept. 5, 2021, 9 p.m. 1.4 ppb (2) 1.2 ppb (2) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 40.0 ppb (38) N/A N/A 4.4 μg/m3 (19) 38.0
 
Sept. 5, 2021, 8 p.m. 1.4 ppb (2) 1.2 ppb (2) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 39.0 ppb (37) N/A N/A 4.4 μg/m3 (19) 37.0
 
Sept. 5, 2021, 7 p.m. 1.4 ppb (2) 1.2 ppb (2) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 38.0 ppb (36) N/A N/A 4.5 μg/m3 (19) 36.0
 
Sept. 5, 2021, 6 p.m. 1.5 ppb (2) 1.2 ppb (2) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 36.0 ppb (34) N/A N/A 4.6 μg/m3 (20) 34.0
 
Sept. 5, 2021, 5 p.m. 1.6 ppb (2) 1.2 ppb (2) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 33.0 ppb (31) N/A N/A 4.4 μg/m3 (19) 31.0
 
Sept. 5, 2021, 4 p.m. 1.9 ppb (2) 1.4 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 30.0 ppb (28) N/A N/A 4.3 μg/m3 (18) 28.0
 
Sept. 5, 2021, 3 p.m. 3.5 ppb (4) 2.1 ppb (2) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 24.0 ppb (23) N/A N/A 4.4 μg/m3 (19) 23.0
 
Sept. 5, 2021, 2 p.m. 3.1 ppb (3) 1.9 ppb (2) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 20.0 ppb (19) N/A N/A 4.9 μg/m3 (21) 21.0
 
Sept. 5, 2021, 1 p.m. 6.3 ppb (6) 3.4 ppb (4) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 12.0 ppb (12) N/A N/A 5.4 μg/m3 (23) 23.0
 
Sept. 5, 2021, noon 5.1 ppb (5) 2.2 ppb (3) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 7.0 ppb (7) N/A N/A 5.1 μg/m3 (22) 22.0
 
Sept. 5, 2021, 11 a.m. 4.1 ppb (4) 1.3 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 8.0 ppb (8) N/A N/A 5.2 μg/m3 (22) 22.0
 
Sept. 5, 2021, 10 a.m. 3.7 ppb (4) 1.3 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 11.0 ppb (11) N/A N/A 5.3 μg/m3 (23) 23.0
 
Sept. 5, 2021, 9 a.m. 4.2 ppb (4) 1.5 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 11.0 ppb (11) N/A N/A 5.3 μg/m3 (23) 23.0
 
Sept. 5, 2021, 8 a.m. 9.8 ppb (10) 3.4 ppb (4) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 9.0 ppb (9) N/A N/A 5.8 μg/m3 (25) 25.0
 
Sept. 5, 2021, 7 a.m. 5.9 ppb (6) 2.1 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 11.0 ppb (11) N/A N/A 5.5 μg/m3 (23) 23.0
 
Sept. 5, 2021, 6 a.m. 3.0 ppb (3) 1.1 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 5.2 μg/m3 (22) 22.0
 
Sept. 5, 2021, 5 a.m. 2.5 ppb (3) 1.1 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 20.0 ppb (19) N/A N/A 5.2 μg/m3 (22) 22.0
 
Sept. 5, 2021, 4 a.m. 2.6 ppb (3) 1.1 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 4.5 μg/m3 (19) 19.0
 
Sept. 5, 2021, 3 a.m. 3.5 ppb (4) 1.3 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 4.3 μg/m3 (18) 20.0
 
Sept. 5, 2021, 2 a.m. 3.3 ppb (4) 1.1 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 25.0 ppb (24) N/A N/A 4.0 μg/m3 (17) 24.0
 
Sept. 5, 2021, 1 a.m. 2.5 ppb (3) 1.1 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 4.2 μg/m3 (18) 29.0
 
Sept. 5, 2021, midnight 2.0 ppb (2) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A 4.0 μg/m3 (17) 35.0
 
Sept. 4, 2021, 11 p.m. 1.5 ppb (2) 1.2 ppb (2) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 44.0 ppb (41) N/A N/A 3.7 μg/m3 (16) 41.0
 
Sept. 4, 2021, 10 p.m. 1.6 ppb (2) 1.2 ppb (2) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 46.0 ppb (43) N/A N/A 4.3 μg/m3 (18) 43.0
 
Sept. 4, 2021, 9 p.m. 1.5 ppb (2) 1.2 ppb (2) N/A 0.0 ppb (0) N/A 2.0 ppb (3) 47.0 ppb (44) N/A N/A 4.2 μg/m3 (18) 44.0
 
Sept. 4, 2021, 8 p.m. 1.8 ppb (2) 1.3 ppb (2) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 47.0 ppb (44) N/A N/A 4.3 μg/m3 (18) 44.0
 
Sept. 4, 2021, 7 p.m. 1.6 ppb (2) 1.2 ppb (2) N/A 0.0 ppb (0) N/A 2.0 ppb (3) 43.0 ppb (40) N/A N/A 4.3 μg/m3 (18) 40.0
 
Sept. 4, 2021, 6 p.m. 1.5 ppb (2) 1.2 ppb (2) N/A 0.0 ppb (0) N/A 1.0 ppb (2) 40.0 ppb (38) N/A N/A 4.3 μg/m3 (18) 38.0
 
Sept. 4, 2021, 5 p.m. 2.0 ppb (2) 1.4 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A 4.8 μg/m3 (20) 35.0
 
Sept. 4, 2021, 4 p.m. 2.1 ppb (2) 1.5 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 33.0 ppb (31) N/A N/A 6.4 μg/m3 (27) 31.0
 
Sept. 4, 2021, 3 p.m. 2.3 ppb (3) 1.5 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 8.3 μg/m3 (35) 35.0
 
Sept. 4, 2021, 2 p.m. 2.5 ppb (3) 1.6 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 8.0 μg/m3 (34) 34.0
 
Sept. 4, 2021, 1 p.m. 2.9 ppb (3) 1.5 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 8.3 μg/m3 (35) 35.0
 
Sept. 4, 2021, noon 2.5 ppb (3) 1.3 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 7.8 μg/m3 (33) 33.0
 
Sept. 4, 2021, 11 a.m. 2.2 ppb (3) 1.1 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 6.8 μg/m3 (29) 29.0
 
Sept. 4, 2021, 10 a.m. 2.4 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 4.8 μg/m3 (20) 20.0
 
Sept. 4, 2021, 9 a.m. 2.7 ppb (3) 1.3 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 3.6 μg/m3 (16) 16.0
 
Sept. 4, 2021, 8 a.m. 2.8 ppb (3) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 3.4 μg/m3 (15) 16.0
 
Sept. 4, 2021, 7 a.m. 3.0 ppb (3) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 16.0 ppb (15) N/A N/A 3.5 μg/m3 (15) 15.0
 
Sept. 4, 2021, 6 a.m. 2.8 ppb (3) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 3.5 μg/m3 (15) 17.0
 
Sept. 4, 2021, 5 a.m. 2.0 ppb (2) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 3.3 μg/m3 (14) 18.0